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Updated the WatchDog

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Added code to the watchdog to allow dumping bytecode and getting the instruction pointer for the scripting language.
This commit is contained in:
Calvin Balke 2015-06-29 13:08:54 -07:00
parent 8f29130f63
commit d0224b4d9b
1 changed files with 33 additions and 1 deletions
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34
Mod Sources/Watchdog/Watchdog/source/dllmain.cpp
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@ -26,6 +26,16 @@ BOOL APIENTRY DllMain( HMODULE hModule,
static bool sDogPetted = false; static bool sDogPetted = false;
static DWORD mainthreadid=0; static DWORD mainthreadid=0;
static bool evaldone=1; static bool evaldone=1;
void overrideputhex(unsigned char hex) {
char hexstr[40]="";
char outchar=' ';
int counter=0;
sprintf (hexstr,"%02X",hex);
while (hexstr[counter] != 0x0) {
_putch(hexstr[counter]);
counter++;
}
}
void overridegets(char * string) { void overridegets(char * string) {
int counter=0; int counter=0;
char outstr[3]=""; char outstr[3]="";
@ -78,7 +88,7 @@ DWORD WINAPI WatchDogThread(LPVOID lpParam)
fprintf (wlog,"EIP: %08X EAX: %08X EBX: %08X ECX: %08X \nEDX: %08X ESI: %08X EDI: %08X\nEBP:%08X ESP:%08X\n", hamburger.Eip, hamburger.Eax, hamburger.Ebx, hamburger.Ecx, hamburger.Edx, hamburger.Esi, hamburger.Edi, hamburger.Ebp, hamburger.Esp); fprintf (wlog,"EIP: %08X EAX: %08X EBX: %08X ECX: %08X \nEDX: %08X ESI: %08X EDI: %08X\nEBP:%08X ESP:%08X\n", hamburger.Eip, hamburger.Eax, hamburger.Ebx, hamburger.Ecx, hamburger.Edx, hamburger.Esi, hamburger.Edi, hamburger.Ebp, hamburger.Esp);
fclose (wlog); fclose (wlog);
Con::printf ("EIP: %08X EAX: %08X EBX: %08X ECX: %08X \nEDX: %08X ESI: %08X EDI: %08X\nEBP:%08X ESP:%08X\n", hamburger.Eip, hamburger.Eax, hamburger.Ebx, hamburger.Ecx, hamburger.Edx, hamburger.Esi, hamburger.Edi, hamburger.Ebp, hamburger.Esp); Con::printf ("EIP: %08X EAX: %08X EBX: %08X ECX: %08X \nEDX: %08X ESI: %08X EDI: %08X\nEBP:%08X ESP:%08X\n", hamburger.Eip, hamburger.Eax, hamburger.Ebx, hamburger.Ecx, hamburger.Edx, hamburger.Esi, hamburger.Edi, hamburger.Ebp, hamburger.Esp);
Con::printf ("Please press enter to try to continue, press e to get a torquescript shell, or wait for 30 more seconds to kill T2 and write log\n"); Con::printf ("Please press enter to try to continue, press e to get a torquescript shell, press d to get a hexdump of the last bit of torquescript bytecode to search for in DSO files, or wait for 30 more seconds to kill T2 and write log\n");
for (int secondcounter=0;secondcounter<120;secondcounter++) { for (int secondcounter=0;secondcounter<120;secondcounter++) {
Sleep(250); Sleep(250);
if (_kbhit()) { if (_kbhit()) {
@ -100,6 +110,24 @@ DWORD WINAPI WatchDogThread(LPVOID lpParam)
CloseHandle(thread); CloseHandle(thread);
} }
} else if (inputchar=='d') {
DWORD codeOffset=*(DWORD *)(0xa3b714);
DWORD codeBase=*(DWORD *)(0xa3b710);
if (codeBase!=0) {
unsigned char *basecodeptr=(unsigned char *)((codeBase+(codeOffset*4)));
Con::printf ("CodeOffset: %08X CodeAddr: %08X (Codeoffset-128 to CodeOffset+512 is on the next line)\n",codeOffset, (codeBase+(codeOffset*4)));
for (int codeOffsetCounter=-128; codeOffsetCounter<512; codeOffsetCounter++) {
overrideputhex(*(basecodeptr+codeOffsetCounter));
_putch(' ');
}
_putch('\n');
_putch('\r');
Con::printf("Search for those hex bytes in a binary search utility to find the DSO file with the last executed opcodes\n");
} else {
Con::printf ("you forgot to run this command: memPatch(\"42CED1\",getInterAddr());\n");
}
} }
ResumeThread(mainThread); ResumeThread(mainThread);
break; break;
@ -124,6 +152,10 @@ extern "C"
{ {
__declspec(dllexport) void ModInitialize(void) __declspec(dllexport) void ModInitialize(void)
{ {
DWORD *codeOffset=(DWORD *)(0xa3b714);
DWORD *codeBase=(DWORD *)(0xa3b710);
*codeOffset=0x0;
*codeBase=0x0;
mainthreadid = GetThreadId(GetCurrentThread()); mainthreadid = GetThreadId(GetCurrentThread());
SECURITY_DESCRIPTOR secDescVar; SECURITY_DESCRIPTOR secDescVar;
DWORD threadID; DWORD threadID;