| 1 | 1 | | // Obfuscation of C? Why not? |
| 2 | 2 | | // Coded by (C) DosX, 2024 |
| 3 | 3 | | // |
| 4 | | - | // no_obf = disable obfuscation |
| | 4 | + | // [Additional options] |
| | 5 | + | // cflow_v2 = more powerful Control Flow obfuscation (slowly!) |
| | 6 | + | // hide_antidebug = use dynamic calls to hide antidebugger |
| | 7 | + | // |
| | 8 | + | // [Disabling default features] |
| 5 | 9 | | // no_cflow = disable control flow obfuscation |
| 6 | 10 | | // no_antidebug = disable antidebug protection |
| 7 | | - | // hide_antidebug = use dynamic calls to hide antidebugger |
| | 11 | + | // |
| | 12 | + | // no_obf = disable obfuscation |
| 8 | 13 | | // |
| 9 | 14 | | // GitHub: |
| 10 | 15 | | // https://github.com/DosX-dev/obfus.h |
| skipped 132 lines |
| 143 | 148 | | return int_Proxy(condition); |
| 144 | 149 | | } |
| 145 | 150 | | |
| | 151 | + | // Control Flow (global) |
| 146 | 152 | | #if !defined(no_cflow) && no_cflow != 1 |
| 147 | 153 | | |
| | 154 | + | #if !defined(cflow_v2) && cflow_v2 != 1 |
| | 155 | + | |
| | 156 | + | // Control flow obfuscation for 'if', V1 |
| 148 | 157 | | #define if(condition) if ((RND(0, 1000)) > _0 && (RND(2, 1000) > condition_True() && condition_Proxy(RND(0, 1000000), condition) && RND(1, 9999999999) > _0 && (int_Proxy(RND(0, 1000)) < RND(1001, 100000000)))) |
| | 158 | + | |
| | 159 | + | #else |
| | 160 | + | |
| | 161 | + | // Control flow obfuscation for 'if', V2 (strong!) |
| | 162 | + | #define if(condition) \ |
| | 163 | + | if (int_Proxy(RND(1, 1000000)) < _0) { \ |
| | 164 | + | __asm__ __volatile(".byte 0x00"); \ |
| | 165 | + | } else if (int_Proxy((RND(0, 1000)) > _0 && (RND(2, 1000) > condition_True() && condition_Proxy(RND(0, 100000000), condition) && RND(1, 9999999999) > _0 && (int_Proxy(RND(0, 1000)) < RND(1001, 100000000)))) * TRUE) |
| | 166 | + | |
| | 167 | + | #endif |
| | 168 | + | |
| 149 | 169 | | #define else \ |
| 150 | 170 | | else if (_0 > RND(1, 1000)) { \ |
| 151 | 171 | | junkFunc(RND(0, 1000)); \ |
| skipped 12 lines |
| 164 | 184 | | else |
| 165 | 185 | | |
| 166 | 186 | | #define while(condition) while ((RND(0, 1000)) > _0 && _8 > _3 && condition_True() && RND(1, 9999999999) > _0 && condition_Proxy(RND(0, 1000), condition) && _5) |
| 167 | | - | #define for(data) for (data && int_Proxy(TRUE * (RND(0, 1000))) + FALSE || _1) |
| | 187 | + | |
| | 188 | + | #define for(data) for (data && int_Proxy(TRUE * (RND(0, 10000))) + FALSE || _1) |
| 168 | 189 | | |
| 169 | 190 | | #endif |
| 170 | 191 | | |
| skipped 176 lines |
| 347 | 368 | | |
| 348 | 369 | | char funcName[18]; |
| 349 | 370 | | funcName[_9 + _8] = _0; |
| 350 | | - | funcName[16] = _t; |
| 351 | | - | funcName[_7] = _g; |
| 352 | | - | funcName[_0] = _I; |
| 353 | | - | funcName[_1] = _s; |
| 354 | | - | funcName[14] = _e; |
| 355 | | - | funcName[_9] = _r; |
| 356 | | - | funcName[13] = _s; |
| 357 | | - | funcName[15] = _n; |
| 358 | | - | funcName[_2] = _D; |
| 359 | | - | funcName[_3] = _e; |
| 360 | | - | funcName[10] = _P; |
| 361 | | - | funcName[_4] = _b; |
| 362 | | - | funcName[_5] = _u; |
| 363 | | - | funcName[_8] = _e; |
| 364 | | - | funcName[11] = _r; |
| 365 | | - | funcName[_6] = _g; |
| 366 | | - | funcName[12] = _e; |
| | 371 | + | |
| | 372 | + | funcName[_9 + _7 * _1] = _t; |
| | 373 | + | funcName[_2 + _5 * _1] = _g; |
| | 374 | + | funcName[_0 * _8 * _1] = _I; |
| | 375 | + | funcName[_1 + _0 * _1] = _s; |
| | 376 | + | funcName[_7 * _2 * _1] = _e; |
| | 377 | + | funcName[_3 * _3 * _1] = _r; |
| | 378 | + | funcName[_9 + _4 * _1] = _s; |
| | 379 | + | funcName[_5 * _3 * _1] = _n; |
| | 380 | + | BREAK_STACK_3; |
| | 381 | + | funcName[_1 + _1 * _1] = _D; |
| | 382 | + | funcName[_1 + _2 * _1] = _e; |
| | 383 | + | funcName[_5 * _2 * _1] = _P; |
| | 384 | + | funcName[_2 + _2 * _1] = _b; |
| | 385 | + | funcName[_3 + _2 * _1] = _u; |
| | 386 | + | funcName[_4 * _2 * _1] = _e; |
| | 387 | + | funcName[_2 + _9 * _1] = _r; |
| | 388 | + | funcName[_3 * _2 * _1] = _g; |
| | 389 | + | funcName[_6 * _2 * _1] = _e; |
| 367 | 390 | | |
| 368 | 391 | | return ((BOOL(*)())GetProcAddress(LoadLibraryA(result), funcName))(); |
| 369 | 392 | | #endif |
| skipped 523 lines |
