TFTP Scanner recommendation requested

From: Barry Fitzgerald (bkfsec_at_sdf.lonestar.org)
Date: 08/13/03

  • Next message: Michael Gorsuch: "RE: TFTP Scanner recommendation requested"
    Date: Wed, 13 Aug 2003 14:54:18 -0400
    To: pen-test@securityfocus.com
    
    

    Hello,

           First of all, my office just got completely pelted with a scan
    looking for open udp/69 ports with tftp requests being made on each
    port. (Our IDS alerted me to this). I know that msblast opens up that
    port during the worm-infection period. So, the fact that this is
    happening right now is not surprising. Is anyone else noticing this? (I
    know that we aren't infected with msblast, so it's not worm traffic -
    and I have verified that this is an automated backdoor scan.)

           Anyway, the reason I'm writing this to the pen-test list is for a
    recommendation. I'd like to keep my eye out for open tftp servers on my
    LAN just in case. Does anyone have a recommendation for a tftp scanner
    that can scan a range of IPs for functioning tftp listeners?

           This is for professional defense and pen testing, obviously, and
    not for a "how do I hack?" kind of BS request. :)

                    -Barry

    ---------------------------------------------------------------------------
    ----------------------------------------------------------------------------


  • Next message: Michael Gorsuch: "RE: TFTP Scanner recommendation requested"

    Relevant Pages

    • RE: TFTP Scanner recommendation requested
      ... that port open, it needs to be checked regardless if there is an ... Subject: TFTP Scanner recommendation requested ... looking for open udp/69 ports with tftp requests being made on each ... I know that msblast opens up that ...
      (Pen-Test)
    • Re: TFTP Scanner recommendation requested
      ... the worm does NOT "open up that port". ... it launches the TFTP client on the system (not ... is a TFTP server running. ...
      (Pen-Test)
    • RE: redhat-list Digest, Vol 4, Issue 38
      ... Re: Iptables: port 22 open only for my IP ... Windows Services for Unix 3.5 ... It does absolutely nothing if you have a rampant application on your Windows box that opens a port to the outside world. ...
      (RedHat)
    • Re: Enabling telnet, ftp, pop3 for root...
      ... MASIVE security improvement over just having an open port sitting there. ... only OPENS THE PORT! ... While I could be wrong on that, it's the most likely scenerio with three possible levels of security: low, if you're only using a password, mediocre if you're using a key protected by a password, and relatively high if you're using a key that you are protecting with a complex passphrase and swapping out routinely. ... Point being, when there are already such networks on the Internet -- and not just in the United States -- with a wide range of ISPs, it's not at all outside the realm of possibility that somebody has a box that is listening to all the traffic on your node and analyzing it. ...
      (alt.os.linux)
    • Re: USB device detection via query registry information
      ... Similarly vendors need to be given a hard time if they fail to provide a driver compatible with a new Windows version for products released in the last 3 years or offered for sale in the last 12 months. ... it correctly enforces exclusivity to the port ... serenum and sermouse are out-of-the-box XP as far as I can ... serenum opens the port, detects the device, ...
      (microsoft.public.development.device.drivers)