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New Java Vulnerability?

Discussion in 'General Discussion' started by GOT, Jul 20, 2005.

  1. GOT

    GOT Get Proactive! PartnerNOC

    Apr 8, 2003
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    Chesapeake, VA
    cPanel Access Level:
    DataCenter Provider
    I have seen this on two servers so far.

    The first one I had a guy connected to port 8080 on a server that had tomcat installed. I really couldn't tell what his script was doing, but killing it just caused it to immediately respawn. The worst part is that is was 'disguised' If you looked in a ps axf output, you would only see it as [bdflush] but if you looked at the top outpout the process cam up as perl. Killing it caused a scrip to be created in temp and then ran which relaunched the process. This all happened so fast that it was impossible to tell where the files were coming from.

    I then, the next day, saw this same behavior on a server that has resin installed. This one was even worse in that the connection was coming from within ( so no firewalling would keep him out. I ultiamtely removed resin and rebooted the server. Tht was the only way to get him off.

    This is not meant as a definitive howto, nor as a release of everything I saw, as this is very abbreviated, but I wanted to know if anyone else was seeing this type of thing.
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  2. lankyb

    lankyb Well-Known Member

    Sep 21, 2004
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    Peterborough, UK
    You might want to report this on bugzilla
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