| 1 | + | use std::fmt::Write; |
| 2 | + | use std::io::Read; |
| 3 | + | use winapi::ctypes::c_void; |
| 4 | + | use winapi::um::memoryapi::WriteProcessMemory; |
| 5 | + | use winapi::um::processthreadsapi::GetCurrentProcess; |
| 6 | + | |
| 7 | + | pub fn FillStructureFromArray<T, U>(base: &mut T, arr: &[U]) -> usize { |
| 8 | + | unsafe { |
| 9 | + | //println!("{}",std::mem::size_of::<T>()); |
| 10 | + | // println!("{}",std::mem::size_of_val(arr)); |
| 11 | + | if std::mem::size_of::<T>() != std::mem::size_of_val(arr) { |
| 12 | + | println!("{}", std::mem::size_of::<T>()); |
| 13 | + | println!("{}", std::mem::size_of_val(arr)); |
| 14 | + | panic!("sizes are not equal to copy"); |
| 15 | + | } |
| 16 | + | |
| 17 | + | let mut handle = GetCurrentProcess(); |
| 18 | + | let mut byteswritten = 0; |
| 19 | + | let res = WriteProcessMemory( |
| 20 | + | handle, |
| 21 | + | base as *mut _ as *mut c_void, |
| 22 | + | arr as *const _ as *const c_void, |
| 23 | + | std::mem::size_of_val(arr), |
| 24 | + | &mut byteswritten, |
| 25 | + | ); |
| 26 | + | |
| 27 | + | return byteswritten; |
| 28 | + | } |
| 29 | + | } |
| 30 | + | |
| 31 | + | fn main() { |
| 32 | + | use std::fs::File; |
| 33 | + | let filepath = r#"D:\rust_practice\command_exec\target\debug\command_exec.exe"#; |
| 34 | + | let mut buffer = Vec::new(); |
| 35 | + | |
| 36 | + | let mut fd = File::open(filepath).unwrap(); |
| 37 | + | fd.read_to_end(&mut buffer); |
| 38 | + | |
| 39 | + | println!("{:#?}", String::from_utf8_lossy(&buffer[0..2])); |
| 40 | + | |
| 41 | + | let mut dos = IMAGE_DOS_HEADER::default(); |
| 42 | + | let byteswritten = FillStructureFromArray(&mut dos, &buffer[0..64]); |
| 43 | + | println!("{:x?}", dos.e_magic); |
| 44 | + | println!("{:x?}", dos.e_lfanew); |
| 45 | + | |
| 46 | + | let mut ntheader = IMAGE_NT_HEADERS64::default(); |
| 47 | + | FillStructureFromArray( |
| 48 | + | &mut ntheader.Signature, |
| 49 | + | &buffer[(dos.e_lfanew as usize)..((dos.e_lfanew + 4) as usize)], |
| 50 | + | ); |
| 51 | + | println!("{:x?}", ntheader.Signature); |
| 52 | + | |
| 53 | + | FillStructureFromArray( |
| 54 | + | &mut ntheader.FileHeader, |
| 55 | + | &buffer[((dos.e_lfanew + 4) as usize)..((dos.e_lfanew + 4 + 20) as usize)], |
| 56 | + | ); |
| 57 | + | println!("{:x?}", ntheader.FileHeader); |
| 58 | + | |
| 59 | + | FillStructureFromArray( |
| 60 | + | &mut ntheader.OptionalHeader, |
| 61 | + | &buffer[((dos.e_lfanew + 4 + 20) as usize) |
| 62 | + | ..(((dos.e_lfanew as usize) + std::mem::size_of::<IMAGE_NT_HEADERS64>()) as usize)] |
| 63 | + | ); |
| 64 | + | |
| 65 | + | println!("{:x?}", ntheader.OptionalHeader); |
| 66 | + | println!("{}",std::mem::size_of_val(&ntheader.OptionalHeader)); |
| 67 | + | } |
| 68 | + | |
| 69 | + | #[derive(Debug, Default, Clone)] |
| 70 | + | #[repr(C)] |
| 71 | + | pub struct IMAGE_OPTIONAL_HEADER64 { |
| 72 | + | Magic: u16, |
| 73 | + | |
| 74 | + | MajorLinkerVersion: u8, |
| 75 | + | |
| 76 | + | MinorLinkerVersion: u8, |
| 77 | + | |
| 78 | + | SizeOfCode: u32, |
| 79 | + | |
| 80 | + | SizeOfInitializedData: u32, |
| 81 | + | |
| 82 | + | SizeOfUninitializedData: u32, |
| 83 | + | |
| 84 | + | AddressOfEntryPoint: u32, |
| 85 | + | |
| 86 | + | BaseOfCode: u32, |
| 87 | + | |
| 88 | + | ImageBase: i64, |
| 89 | + | |
| 90 | + | SectionAlignment: u32, |
| 91 | + | |
| 92 | + | FileAlignment: u32, |
| 93 | + | |
| 94 | + | MajorOperatingSystemVersion: u16, |
| 95 | + | |
| 96 | + | MinorOperatingSystemVersion: u16, |
| 97 | + | |
| 98 | + | MajorImageVersion: u16, |
| 99 | + | |
| 100 | + | MinorImageVersion: u16, |
| 101 | + | |
| 102 | + | MajorSubsystemVersion: u16, |
| 103 | + | |
| 104 | + | MinorSubsystemVersion: u16, |
| 105 | + | |
| 106 | + | Win32VersionValue: u32, |
| 107 | + | |
| 108 | + | SizeOfImage: u32, |
| 109 | + | |
| 110 | + | SizeOfHeaders: u32, |
| 111 | + | |
| 112 | + | CheckSum: u32, |
| 113 | + | |
| 114 | + | Subsystem: u16, |
| 115 | + | |
| 116 | + | DllCharacteristics: u16, |
| 117 | + | |
| 118 | + | SizeOfStackReserve: u64, |
| 119 | + | |
| 120 | + | SizeOfStackCommit: u64, |
| 121 | + | |
| 122 | + | SizeOfHeapReserve: u64, |
| 123 | + | |
| 124 | + | SizeOfHeapCommit: u64, |
| 125 | + | |
| 126 | + | LoaderFlags: u32, |
| 127 | + | |
| 128 | + | NumberOfRvaAndSizes: u32, |
| 129 | + | |
| 130 | + | ExportTable: IMAGE_DATA_DIRECTORY, |
| 131 | + | |
| 132 | + | ImportTable: IMAGE_DATA_DIRECTORY, |
| 133 | + | |
| 134 | + | ResourceTable: IMAGE_DATA_DIRECTORY, |
| 135 | + | |
| 136 | + | ExceptionTable: IMAGE_DATA_DIRECTORY, |
| 137 | + | |
| 138 | + | CertificateTable: IMAGE_DATA_DIRECTORY, |
| 139 | + | |
| 140 | + | BaseRelocationTable: IMAGE_DATA_DIRECTORY, |
| 141 | + | |
| 142 | + | Debug: IMAGE_DATA_DIRECTORY, |
| 143 | + | |
| 144 | + | Architecture: IMAGE_DATA_DIRECTORY, |
| 145 | + | |
| 146 | + | GlobalPtr: IMAGE_DATA_DIRECTORY, |
| 147 | + | |
| 148 | + | TLSTable: IMAGE_DATA_DIRECTORY, |
| 149 | + | LoadConfigTable: IMAGE_DATA_DIRECTORY, |
| 150 | + | BoundImport: IMAGE_DATA_DIRECTORY, |
| 151 | + | |
| 152 | + | IAT: IMAGE_DATA_DIRECTORY, |
| 153 | + | |
| 154 | + | DelayImportDescriptor: IMAGE_DATA_DIRECTORY, |
| 155 | + | CLRRuntimeHeader: IMAGE_DATA_DIRECTORY, |
| 156 | + | |
| 157 | + | Reserved: IMAGE_DATA_DIRECTORY, |
| 158 | + | } |
| 159 | + | |
| 160 | + | #[derive(Debug, Default, Clone)] |
| 161 | + | #[repr(C)] |
| 162 | + | pub struct IMAGE_OPTIONAL_HEADER32 { |
| 163 | + | Magic: u16, |
| 164 | + | |
| 165 | + | MajorLinkerVersion: u8, |
| 166 | + | |
| 167 | + | MinorLinkerVersion: u8, |
| 168 | + | |
| 169 | + | SizeOfCode: u32, |
| 170 | + | |
| 171 | + | SizeOfInitializedData: u32, |
| 172 | + | |
| 173 | + | SizeOfUninitializedData: u32, |
| 174 | + | |
| 175 | + | AddressOfEntryPoint: u32, |
| 176 | + | |
| 177 | + | BaseOfCode: u32, |
| 178 | + | |
| 179 | + | // PE32 contains this additional field |
| 180 | + | BaseOfData: u32, |
| 181 | + | |
| 182 | + | ImageBase: u32, |
| 183 | + | |
| 184 | + | SectionAlignment: u32, |
| 185 | + | |
| 186 | + | FileAlignment: u32, |
| 187 | + | |
| 188 | + | MajorOperatingSystemVersion: u16, |
| 189 | + | |
| 190 | + | MinorOperatingSystemVersion: u16, |
| 191 | + | |
| 192 | + | MajorImageVersion: u16, |
| 193 | + | |
| 194 | + | MinorImageVersion: u16, |
| 195 | + | |
| 196 | + | MajorSubsystemVersion: u16, |
| 197 | + | |
| 198 | + | MinorSubsystemVersion: u16, |
| 199 | + | |
| 200 | + | Win32VersionValue: u32, |
| 201 | + | |
| 202 | + | SizeOfImage: u32, |
| 203 | + | |
| 204 | + | SizeOfHeaders: u32, |
| 205 | + | |
| 206 | + | CheckSum: u32, |
| 207 | + | |
| 208 | + | Subsystem: u32, |
| 209 | + | |
| 210 | + | DllCharacteristics: u16, |
| 211 | + | |
| 212 | + | SizeOfStackReserve: u32, |
| 213 | + | |
| 214 | + | SizeOfStackCommit: u32, |
| 215 | + | |
| 216 | + | SizeOfHeapReserve: u32, |
| 217 | + | |
| 218 | + | SizeOfHeapCommit: u32, |
| 219 | + | |
| 220 | + | LoaderFlags: u32, |
| 221 | + | |
| 222 | + | NumberOfRvaAndSizes: u32, |
| 223 | + | |
| 224 | + | ExportTable: IMAGE_DATA_DIRECTORY, |
| 225 | + | |
| 226 | + | ImportTable: IMAGE_DATA_DIRECTORY, |
| 227 | + | |
| 228 | + | ResourceTable: IMAGE_DATA_DIRECTORY, |
| 229 | + | |
| 230 | + | ExceptionTable: IMAGE_DATA_DIRECTORY, |
| 231 | + | |
| 232 | + | CertificateTable: IMAGE_DATA_DIRECTORY, |
| 233 | + | |
| 234 | + | BaseRelocationTable: IMAGE_DATA_DIRECTORY, |
| 235 | + | |
| 236 | + | Debug: IMAGE_DATA_DIRECTORY, |
| 237 | + | |
| 238 | + | Architecture: IMAGE_DATA_DIRECTORY, |
| 239 | + | |
| 240 | + | GlobalPtr: IMAGE_DATA_DIRECTORY, |
| 241 | + | |
| 242 | + | TLSTable: IMAGE_DATA_DIRECTORY, |
| 243 | + | LoadConfigTable: IMAGE_DATA_DIRECTORY, |
| 244 | + | BoundImport: IMAGE_DATA_DIRECTORY, |
| 245 | + | |
| 246 | + | IAT: IMAGE_DATA_DIRECTORY, |
| 247 | + | |
| 248 | + | DelayImportDescriptor: IMAGE_DATA_DIRECTORY, |
| 249 | + | CLRRuntimeHeader: IMAGE_DATA_DIRECTORY, |
| 250 | + | |
| 251 | + | Reserved: IMAGE_DATA_DIRECTORY, |
| 252 | + | } |
| 253 | + | |
| 254 | + | #[derive(Debug, Default, Clone)] |
| 255 | + | #[repr(C)] |
| 256 | + | pub struct IMAGE_FILE_HEADER { |
| 257 | + | Machine: u16, |
| 258 | + | NumberOfSections: u16, |
| 259 | + | TimeDateStamp: u32, |
| 260 | + | PointerToSymbolTable: u32, |
| 261 | + | NumberOfSymbols: u32, |
| 262 | + | SizeOfOptionalHeader: u16, |
| 263 | + | Characteristics: u16, |
| 264 | + | } |
| 265 | + | |
| 266 | + | #[derive(Debug, Default, Clone)] |
| 267 | + | #[repr(C)] |
| 268 | + | pub struct IMAGE_DATA_DIRECTORY { |
| 269 | + | VirtualAddress: u32, |
| 270 | + | Size: u32, |
| 271 | + | } |
| 272 | + | |
| 273 | + | #[derive(Debug, Default, Clone)] |
| 274 | + | #[repr(C)] |
| 275 | + | pub struct IMAGE_NT_HEADERS32 { |
| 276 | + | Signature: u32, |
| 277 | + | |
| 278 | + | FileHeader: IMAGE_FILE_HEADER, |
| 279 | + | |
| 280 | + | OptionalHeader: IMAGE_OPTIONAL_HEADER32, |
| 281 | + | } |
| 282 | + | |
| 283 | + | #[derive(Debug, Default, Clone)] |
| 284 | + | #[repr(C)] |
| 285 | + | pub struct IMAGE_NT_HEADERS64 { |
| 286 | + | Signature: u32, |
| 287 | + | |
| 288 | + | FileHeader: IMAGE_FILE_HEADER, |
| 289 | + | |
| 290 | + | OptionalHeader: IMAGE_OPTIONAL_HEADER64, |
| 291 | + | } |
| 292 | + | |
| 293 | + | #[derive(Debug, Default, Clone)] |
| 294 | + | #[repr(C)] |
| 295 | + | |
| 296 | + | pub struct IMAGE_DOS_HEADER { |
| 297 | + | e_magic: [u8; 2], // Magic number |
| 298 | + | e_cblp: u16, // Bytes on last page of file |
| 299 | + | e_cp: u16, // Pages in file |
| 300 | + | e_crlc: u16, // Relocations |
| 301 | + | e_cparhdr: u16, // Size of header in paragraphs |
| 302 | + | e_minalloc: u16, // Minimum extra paragraphs needed |
| 303 | + | e_maxalloc: u16, // Maximum extra paragraphs needed |
| 304 | + | e_ss: u16, // Initial (relative) SS value |
| 305 | + | e_sp: u16, // Initial SP value |
| 306 | + | e_csum: u16, // Checksum |
| 307 | + | e_ip: u16, // Initial IP value |
| 308 | + | e_cs: u16, // Initial (relative) CS value |
| 309 | + | e_lfarlc: u16, // File address of relocation table |
| 310 | + | e_ovno: u16, // Overlay number |
| 311 | + | e_res1: [u16; 4], // Reserved words |
| 312 | + | e_oemid: u16, // OEM identifier (for e_oeminfo) |
| 313 | + | e_oeminfo: u16, // OEM information, e_oemid specific |
| 314 | + | e_res2: [u16; 10], // Reserved words |
| 315 | + | e_lfanew: i32, // File address of new exe header |
| 316 | + | } |
| 317 | + | |