On Wednesday, 27 February 2019 12:27:59 GMT Mick wrote: > I noticed this beauty popping up a day ago: > > Rootkit checks... > Rootkits checked : 498 > Possible rootkits: 1 > Rootkit names : xorddos component > > Fair enough the log reported a suspect file: > > ==================================== > Checking for file '/var/run/sftp.pid' [ Not found ] > Checking for file '/var/run/udev.pid' [ Warning ] <==This one > Checking for file '/var/run/mount.pid' [ Not found ] > [snip ...] > > Warning: Checking for possible rootkit files and directories [ Warning ] > Found file '/var/run/udev.pid'. Possible rootkit: xorddos component > > =================================================================== > > I think it is a false positive, because none of the files mentioned in the > interwebs[1] are seen lurking in my system, but I thought it wiser to check > further. > > [1] > http://hackermedicine.com/linux-ddos-trojan-hiding-itself-with-an-embedded-> > rootkit/ > > > The rkhunter report of this xorddos component seems to have arrived with: > > sys-fs/udev-init-scripts-33 > > or > > sys-apps/dbus-1.12.12-r1 > > > Could it be these versions are now launching /run/udev.pid? Is a file /run/ > udev.pid present in your system?
Yes, I have such a text file, containing just a PID. > In any case, the file merely contains the PID number of > /lib/systemd/systemd- udevd, rather than an ELF binary and /etc/init.d/ > does not contain anything suspicious. However, with armies generating > variants of every conceivable malware I don't know if it pays to be a bit > paranoid about this. They really are out to get us... -- Regards, Peter.

