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Simplify Injecto to find Scrapland by WindowClass

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This commit is contained in:
Daniel S. 2019-11-20 20:48:01 +01:00
parent 1f83c25129
commit eaaa372060
2 changed files with 10 additions and 105 deletions
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2
ScrapHacks/Injector/CMakeLists.txt
View file

@ -1,3 +1,3 @@
add_executable(Injector Injector.cpp) add_executable(Injector main.cpp)
target_compile_features(Injector PUBLIC cxx_std_11) target_compile_features(Injector PUBLIC cxx_std_11)
install(TARGETS Injector DESTINATION bin) install(TARGETS Injector DESTINATION bin)

113
ScrapHacks/Injector/Injector.cpp → ScrapHacks/Injector/main.cpp
View file

@ -32,56 +32,6 @@ void fail(char *msg)
exit(1); exit(1);
} }
string fromhex(string input)
{
transform(input.begin(), input.end(), input.begin(), ::toupper);
string hc = "0123456789ABCDEF";
string o = "";
int n = 0;
int v = 0;
for (unsigned char c : input)
{
if (hc.find(c) != size_t(-1))
{
if ((n++) % 2 == 0)
{
v = hc.find(c) << 4;
}
else
{
o += char(v + hc.find(c));
}
}
else
{
cout << "Invalid Character in hex string" << endl;
return "";
}
}
return o;
}
vector<string> split(string str, char sep)
{
vector<string> ret;
string part;
for (auto n : str)
{
if (n == sep)
{
ret.push_back(part);
part.clear();
}
else
{
part = part + n;
}
}
if (part != "")
ret.push_back(part);
return ret;
}
bool fexists(const char *filename) bool fexists(const char *filename)
{ {
ifstream ifile(filename); ifstream ifile(filename);
@ -116,16 +66,6 @@ bool HasModule(int PID, const char *modname)
return false; return false;
} }
bool ProcRunning(DWORD PID)
{
HANDLE hSnap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE | TH32CS_SNAPMODULE32, PID);
if (hSnap == INVALID_HANDLE_VALUE)
{
return false;
}
CloseHandle(hSnap);
return true;
}
bool adjustPrivs(HANDLE hProc) bool adjustPrivs(HANDLE hProc)
{ {
@ -211,54 +151,19 @@ void InjectDll(DWORD PID)
return; return;
} }
vector<HANDLE> spawn(char *binary)
{
STARTUPINFO startupinfo;
PROCESS_INFORMATION processinfo;
ZeroMemory(&startupinfo, sizeof(startupinfo));
ZeroMemory(&processinfo, sizeof(processinfo));
startupinfo.cb = sizeof(startupinfo);
if (!CreateProcessA(NULL, binary, NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &startupinfo, &processinfo))
{
return {};
}
return {processinfo.hProcess, processinfo.hThread};
}
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
string prog;
HANDLE hProc = INVALID_HANDLE_VALUE;
HANDLE hThread = INVALID_HANDLE_VALUE;
DWORD PID = 0; DWORD PID = 0;
char s_PID[MAX_PATH]; HWND ScrapWin=FindWindow("ScrapClass",NULL);
snprintf(s_PID, MAX_PATH, "%d", GetCurrentProcessId()); if (!ScrapWin) {
SetEnvironmentVariableA("Inj_PID", s_PID); cerr<<"Error: Scrapland window not found!"<<endl;
if ((argc > 1) && fexists(argv[1])) exit(1);
{
cout << "[*] Injector PID: " << GetCurrentProcessId() << endl;
cout << "[*] Spawning process for \"" << argv[1] << "\"" << endl;
vector<HANDLE> handles = spawn(argv[1]);
if (handles.empty())
{
fail("Failed to spawn process");
}
hProc = handles[0];
hThread = handles[1];
PID = GetProcessId(hProc);
} }
else GetWindowThreadProcessId(ScrapWin,&PID);
{ if (PID) {
cerr << "Usage: " << argv[0] << " <Path to Scrap.exe>" << endl; InjectDll(PID);
return 1; } else {
fail("Error getting PID");
} }
InjectDll(PID);
if (hThread != INVALID_HANDLE_VALUE)
{
while (ResumeThread(hThread))
;
}
SetEnvironmentVariableA("Inj_PID", NULL);
cout << "[*] Done!" << endl;
return 0;
} }