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Code Releases 5 Activity

DBG: nicer pause command + fixed detach

This commit is contained in:
Mr. eXoDia 2015-04-25 21:34:00 +02:00
parent 6897c9dfd9
commit 6d1b0d40a7
1 changed files with 6 additions and 38 deletions
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44
x64_dbg_dbg/debugger_commands.cpp
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@ -844,24 +844,16 @@ CMDRESULT cbDebugPause(int argc, char* argv[])
dputs("Program is not running");
return STATUS_ERROR;
}
void* remoteCode = MemAllocRemote(0, PAGE_SIZE, PAGE_EXECUTE_READWRITE);
if(!remoteCode)
uint debugBreakAddr;
if(!valfromstring("DebugBreak", &debugBreakAddr))
{
dputs("Failed to allocate memory in debuggee");
return STATUS_ERROR;
}
unsigned char code[] = { 0xCC, 0xC3 };
if(!MemWrite(remoteCode, code, sizeof(code), 0))
{
MemFreeRemote((uint)remoteCode);
dputs("Failed to write memory in debuggee");
dputs("Could not find DebugBreak!");
return STATUS_ERROR;
}
DWORD dwThreadId = 0;
HANDLE hThread = CreateRemoteThread(fdProcessInfo->hProcess, 0, 0, (LPTHREAD_START_ROUTINE)remoteCode, 0, CREATE_SUSPENDED, &dwThreadId);
HANDLE hThread = CreateRemoteThread(fdProcessInfo->hProcess, 0, 0, (LPTHREAD_START_ROUTINE)debugBreakAddr, 0, CREATE_SUSPENDED, &dwThreadId);
if(!hThread)
{
MemFreeRemote((uint)remoteCode);
dputs("Failed to create thread in debuggee");
return STATUS_ERROR;
}
@ -966,34 +958,10 @@ CMDRESULT cbDebugAttach(int argc, char* argv[])
CMDRESULT cbDebugDetach(int argc, char* argv[])
{
void* remoteCode = MemAllocRemote(0, PAGE_SIZE, PAGE_EXECUTE_READWRITE);
if(!remoteCode)
{
dputs("Failed to allocate memory in debuggee");
return STATUS_ERROR;
}
MemUpdateMap(fdProcessInfo->hProcess);
unsigned char code[] = { 0xCC, 0xC3 };
if(!MemWrite(remoteCode, code, sizeof(code), 0))
{
MemFreeRemote((uint)remoteCode);
dputs("Failed to write memory in debuggee");
return STATUS_ERROR;
}
DWORD dwThreadId = 0;
HANDLE hThread = CreateRemoteThread(fdProcessInfo->hProcess, 0, 0, (LPTHREAD_START_ROUTINE)remoteCode, 0, CREATE_SUSPENDED, &dwThreadId);
if(!hThread)
{
MemFreeRemote((uint)remoteCode);
dputs("Failed to create thread in debuggee");
return STATUS_ERROR;
}
dprintf("Created thread with ThreadId %X\n", dwThreadId);
dbgsetisdetachedbyuser(true); //detach when paused
ResumeThread(hThread);
CloseHandle(hThread);
unlock(WAITID_RUN); //run
dbgsetisdetachedbyuser(true); //detach when paused
StepInto((void*)cbDetach);
DebugBreakProcess(fdProcessInfo->hProcess);
return STATUS_CONTINUE;
}