Skip to content

Instantly share code, notes, and snippets.

@servomekanism

servomekanism/Run shellcode (machinecode) from c++ on windows mingw gcc.cpp

Forked from angelorodem/Run shellcode (machinecode) from c++ on windows mingw gcc.cpp
Created June 2, 2023 06:49
Show Gist options
  • Save servomekanism/d91c82ff87321de67de2eb2edb28d17f to your computer and use it in GitHub Desktop.
Save servomekanism/d91c82ff87321de67de2eb2edb28d17f to your computer and use it in GitHub Desktop.
Download ZIP
Run shellcode (machinecode) from c++ on windows mingw gcc
Raw
Run shellcode (machinecode) from c++ on windows mingw gcc.cpp
#include <windows.h>
#include <iostream>
int main(){
//code that just returns 5+5 (10)
static const int code_lenght = 44;
unsigned char opcodes[code_lenght] = "\x55\x48\x89\xe5\xb8\x0a\x00\x00\x00\x5d\xc3";
HANDLE mem_handle = CreateFileMappingA( INVALID_HANDLE_VALUE, NULL, PAGE_EXECUTE_READWRITE, 0, code_lenght, NULL);
void* mem_map = MapViewOfFile( mem_handle, FILE_MAP_ALL_ACCESS | FILE_MAP_EXECUTE, 0x0, 0x0, code_lenght);
memcpy(mem_map, opcodes, sizeof(opcodes));
std::cout << (( int(*)() )mem_map)() << std::endl;
return 0;
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment