Thanks a lot everyone I have enough to work on ;) You were really helpfull and for sure those who will use the mailing list search function will appreciate too! razor ----- Original Message ----- From: "M. Boelen" <[email protected]> To: "RazorOnFreeBSD" <[email protected]> Cc: <[email protected]> Sent: Saturday, May 22, 2004 11:13 AM Subject: Re: Hacked or not ? > Hi, > > Someone else did already told you about Rootkit Hunter, but forget to > say you can install it from the FreeBSD Ports collection > (/usr/ports/security/rkhunter) ;-) > > (it's has been added this month, so a lot of FreeBSD users don't know it > yet) > > Michael Boelen > Author of Rootkit Hunter > > >Hi, > > > >I have a 4.9-STABLE FreeBSD box apparently hacked! > >Yesterday I ran chkrootkit-0.41 and I don't like some of the outputs. > >Those are: > >chfn ... INFECTED > >chsh ... INFECTED > >date ... INFECTED > >ls ... INFECTED > >ps ... INFECTED > > > >But all the rest is NOT PROMISC, NOT INFECTED, NOTHING FOUND, NOTHING DELETED, or NOTHING DETECTED. > >I know by the FreeBSD-Security archives that chkrootkit isn't perfect with FreeBSD versions 5.x > >But I'm not in that case. So I'm a little bit afraid and as a newbie I don't really know what to do.... > >I tried "truss ls" to find something strange and here are the outputs with something... suspicious for me: > > > >ioctl(1,TIOCGETA,0xbfbff534) = 0 (0x0) > >ioctl(1,TIOCGWINSZ,0xbfbff5a8) = 0 (0x0) > >getuid() = 0 (0x0) > >readlink("etc/malloc.conf",0xbfbff490,63) ERR#2 'No such file or directory' #SUSPICIOUS > >mmap(0x0,4096,0x3,0x1002,-1,0x0) = 671666176 (0x2808d000) > >break(0x809b000) = 0 (0x0) > >break(0x809c000) = 0 (0x0) > >break(0x809d000) = 0 (0x0) > >break(0x809e000) = 0 (0x0) > >........................................................................... .................and so on! > > > >And if I am an intrusion victim.... what can I do ? How can I restore those files? and how can I find out how this cracker did to break my firewall? I mean where is the security hole? > >PS: After verification on other commands declared not infected I found out this ERR#2 is common.... maybe I have another problem here! > > > >Thanks everyone! > >razor. > >_______________________________________________ > >[email protected] mailing list > >http://lists.freebsd.org/mailman/listinfo/freebsd-security > >To unsubscribe, send any mail to "[email protected]" > > > > > > > > > -- > > This is my mailbox. There are many like it but this one is mine. > My mailbox is my best friend. It is my life. I must master it as I > master my life. > > My mailbox, without me is useless. Without my mailbox, I am useless. > I must empty my mailbox true. I must clean him before he gets full. > I will.... > _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-security To unsubscribe, send any mail to "[email protected]"