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Groups > linux.debian.user > #257289

Re: Am I infected with a rootkit?

From Jesper Dybdal <jd-debian-user@dybdal.dk>
Newsgroups linux.debian.user
Subject Re: Am I infected with a rootkit?
Date 2023-04-16 16:10 +0200
Message-ID <GlbeN-2qOh-9@gated-at.bofh.it> (permalink)
References <Gl9G1-2pKU-1@gated-at.bofh.it> <Gl9Zn-2pRY-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 2023-04-16 14:40, Eduardo M KALINOWSKI wrote:
> On 16/04/2023 09:19, Jesper Dybdal wrote:
>> And there in the bash history were 4 lines that I had not written :-(
>>
>> I am certain that nobody had been in my apartment while I was gone. 
>> And even if they had, nobody with a key to my apartment would dream 
>> of writing things like the 4 lines that I found in the history file.
>>
>> The 4 lines were:
>>> md5users
>>> sp md5users
>>> sp /x/md5users
>>> ps /x/md5users
>> There is no file named "md5users" or directory named "/x" or command 
>> named "sp" on the Debian machine.
>
> Which shell do you use, and how is it configured? Note that bash by 
> default does not share history between sessions, so even if someone 
> logged in as root (via other ssh session) and typed them, they would 
> not appear in your ssh session.

I use bash.  More details in a reply to Greg in a moment.
>
> See https://mywiki.wooledge.org/BashFAQ/088, or wait for Greg to chime 
> in with details and corrections.
>
>

-- 
Jesper Dybdal
https://www.dybdal.dk

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Thread

Am I infected with a rootkit? Jesper Dybdal <jd-debian-user@dybdal.dk> - 2023-04-16 14:30 +0200
  Re: Am I infected with a rootkit? Eduardo M KALINOWSKI <eduardo@kalinowski.com.br> - 2023-04-16 14:50 +0200
    Re: Am I infected with a rootkit? Michel Verdier <mv524@free.fr> - 2023-04-16 15:20 +0200
      Re: Am I infected with a rootkit? Greg Wooledge <greg@wooledge.org> - 2023-04-16 16:00 +0200
        Re: Am I infected with a rootkit? Michel Verdier <mv524@free.fr> - 2023-04-16 17:20 +0200
    Re: Am I infected with a rootkit? Jesper Dybdal <jd-debian-user@dybdal.dk> - 2023-04-16 16:10 +0200
    Re: Am I infected with a rootkit? Jesper Dybdal <jd-debian-user@dybdal.dk> - 2023-04-18 15:50 +0200
      Re: Am I infected with a rootkit? David Christensen <dpchrist@holgerdanske.com> - 2023-04-18 21:40 +0200
        Re: Am I infected with a rootkit? Jesper Dybdal <jd-debian-user@dybdal.dk> - 2023-04-19 16:00 +0200
  Re: Am I infected with a rootkit? Michel Verdier <mv524@free.fr> - 2023-04-16 15:00 +0200
    Re: Am I infected with a rootkit? Jesper Dybdal <jd-debian-user@dybdal.dk> - 2023-04-16 16:10 +0200
      Re: Am I infected with a rootkit? Jeffrey Walton <noloader@gmail.com> - 2023-04-16 16:50 +0200
      Re: Am I infected with a rootkit? Michel Verdier <mv524@free.fr> - 2023-04-16 17:20 +0200
  Re: Am I infected with a rootkit? Greg Wooledge <greg@wooledge.org> - 2023-04-16 15:10 +0200
    Re: Am I infected with a rootkit? Jesper Dybdal <jd-debian-user@dybdal.dk> - 2023-04-16 16:40 +0200
      Re: Am I infected with a rootkit? Greg Wooledge <greg@wooledge.org> - 2023-04-16 18:00 +0200
        Re: Am I infected with a rootkit? Jesper Dybdal <jd-debian-user@dybdal.dk> - 2023-04-16 18:50 +0200
          Re: Am I infected with a rootkit? Michel Verdier <mv524@free.fr> - 2023-04-16 19:30 +0200
        Re: Am I infected with a rootkit? "Thomas Schmitt" <scdbackup@gmx.net> - 2023-04-16 19:40 +0200
          Re: Am I infected with a rootkit? David Wright <deblis@lionunicorn.co.uk> - 2023-04-16 20:50 +0200
          Re: Am I infected with a rootkit? Jesper Dybdal <jd-debian-user@dybdal.dk> - 2023-04-16 22:20 +0200
      Re: Am I infected with a rootkit? Curt <curty@free.fr> - 2023-04-17 18:50 +0200
  Re: Am I infected with a rootkit? Jesper Dybdal <jd-debian-user@dybdal.dk> - 2023-04-16 16:40 +0200
    Re: Am I infected with a rootkit? <tomas@tuxteam.de> - 2023-04-16 17:20 +0200
    Re: Am I infected with a rootkit? David Wright <deblis@lionunicorn.co.uk> - 2023-04-18 06:50 +0200
      Re: Am I infected with a rootkit? David <bouncingcats@gmail.com> - 2023-04-18 07:40 +0200
        Re: Am I infected with a rootkit? <tomas@tuxteam.de> - 2023-04-18 10:00 +0200
          Re: Am I infected with a rootkit? debian-user@howorth.org.uk - 2023-04-18 13:00 +0200
            Re: Am I infected with a rootkit? <tomas@tuxteam.de> - 2023-04-18 13:10 +0200
          Re: Am I infected with a rootkit? David <bouncingcats@gmail.com> - 2023-04-18 14:10 +0200
            Re: Am I infected with a rootkit? <tomas@tuxteam.de> - 2023-04-18 14:30 +0200
              Re: Am I infected with a rootkit? songbird <songbird@anthive.com> - 2023-04-18 18:00 +0200
                Re: Am I infected with a rootkit? Michel Verdier <mv524@free.fr> - 2023-04-18 18:30 +0200
                Re: Am I infected with a rootkit? Andy Smith <andy@strugglers.net> - 2023-04-18 20:40 +0200
        Re: Am I infected with a rootkit? Jesper Dybdal <jesper@dybdal.dk> - 2023-04-18 16:00 +0200
  Re: Am I infected with a rootkit? David Wright <deblis@lionunicorn.co.uk> - 2023-04-16 16:40 +0200
  Re: Am I infected with a rootkit? David Christensen <dpchrist@holgerdanske.com> - 2023-04-17 03:20 +0200
    Re: Am I infected with a rootkit? Michel Verdier <mv524@free.fr> - 2023-04-17 17:40 +0200
    Re: Am I infected with a rootkit? Stefan Monnier <monnier@iro.umontreal.ca> - 2023-04-17 19:00 +0200
      Re: Am I infected with a rootkit? Tim Woodall <debianuser@woodall.me.uk> - 2023-04-17 20:30 +0200
  Re: Am I infected with a rootkit? Richmond <dnomhcir@gmx.com> - 2023-04-18 10:40 +0200
    Re: Am I infected with a rootkit? Jesper Dybdal <jesper@dybdal.dk> - 2023-04-18 16:00 +0200
      Re: Am I infected with a rootkit? Jeremy Ardley <jeremy@ardley.org> - 2023-04-18 16:10 +0200
        Re: Am I infected with a rootkit? Charles Curley <charlescurley@charlescurley.com> - 2023-04-18 17:00 +0200

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