Distributed ICMP/UDP scan or attack?

From: Jason Dixon (jasondixonat_private)
Date: Sun Jun 16 2002 - 03:49:18 PDT

  • Next message: J Jewitt: "Re: Distributed ICMP/UDP scan or attack?"

    Hi all:
    
    Please excuse me if this is a newbie question, I'm not sure how to go
    about searching for answers on intrustion/scanner patterns and the
    like.  I noticed this series of scans/connections in my firewall log
    this morning.  The first thing that came to mind was the Bind 9
    vulnerability, but there aren't any exploits available yet, IIRC.
    
    As you can see, there was a series of three icmp queries followed by two
    unsuccessful DNS connections.  Has anyone seen this?  
    
    < Jun  15  15:47:31  dc0  208.185.54.14  ->  x.x.x.x  icmp
    < Jun  15  15:47:31  dc0  64.15.251.198  ->  x.x.x.x  icmp
    < Jun  15  15:47:31  dc0  213.61.6.2  ->  x.x.x.x  icmp
    < Jun  15  15:47:31  dc0  207.235.98.194  ->  x.x.x.x  icmp
    < Jun  15  15:47:31  dc0  64.0.96.12  ->  x.x.x.x  icmp
    < Jun  15  15:47:31  dc0  209.240.77.130  ->  x.x.x.x  icmp
    < Jun  15  15:47:31  dc0  65.119.25.162  ->  x.x.x.x  icmp
    < Jun  15  15:47:31  dc0  204.176.88.5  ->  x.x.x.x  icmp
    < Jun  15  15:47:32  dc0  64.14.117.10  ->  x.x.x.x  icmp
    < Jun  15  15:47:32  dc0  212.62.17.145  ->  x.x.x.x  icmp
    < Jun  15  15:47:42  dc0  64.15.251.198  ->  x.x.x.x  icmp
    < Jun  15  15:47:42  dc0  208.185.54.14  ->  x.x.x.x  icmp
    < Jun  15  15:47:42  dc0  213.61.6.2  ->  x.x.x.x  icmp
    < Jun  15  15:47:42  dc0  207.235.98.194  ->  x.x.x.x  icmp
    < Jun  15  15:47:42  dc0  64.0.96.12  ->  x.x.x.x  icmp
    < Jun  15  15:47:42  dc0  209.240.77.130  ->  x.x.x.x  icmp
    < Jun  15  15:47:42  dc0  204.176.88.5  ->  x.x.x.x  icmp
    < Jun  15  15:47:42  dc0  65.119.25.162  ->  x.x.x.x  icmp
    < Jun  15  15:47:43  dc0  64.14.117.10  ->  x.x.x.x  icmp
    < Jun  15  15:47:43  dc0  212.62.17.145  ->  x.x.x.x  icmp
    < Jun  15  15:47:52  dc0  208.185.54.14  ->  x.x.x.x  icmp
    < Jun  15  15:47:52  dc0  64.15.251.198  ->  x.x.x.x  icmp
    < Jun  15  15:47:52  dc0  213.61.6.2  ->  x.x.x.x  icmp
    < Jun  15  15:47:52  dc0  207.235.98.194  ->  x.x.x.x  icmp
    < Jun  15  15:47:52  dc0  64.0.96.12  ->  x.x.x.x  icmp
    < Jun  15  15:47:52  dc0  209.240.77.130  ->  x.x.x.x  icmp
    < Jun  15  15:47:52  dc0  65.119.25.162  ->  x.x.x.x  icmp
    < Jun  15  15:47:52  dc0  204.176.88.5  ->  x.x.x.x  icmp
    < Jun  15  15:47:52  dc0  64.14.117.10  ->  x.x.x.x  icmp
    < Jun  15  15:47:53  dc0  212.62.17.145  ->  x.x.x.x  icmp
    < Jun  15  15:48:01  dc0  208.185.54.14,1687  ->  x.x.x.x,53  udp
    < Jun  15  15:48:01  dc0  64.15.251.198,32865  ->  x.x.x.x,53  udp
    < Jun  15  15:48:01  dc0  213.61.6.2,17613  ->  x.x.x.x,53  udp
    < Jun  15  15:48:01  dc0  207.235.98.194,54613  ->  x.x.x.x,53  udp
    < Jun  15  15:48:01  dc0  64.0.96.12,50831  ->  x.x.x.x,53  udp
    < Jun  15  15:48:02  dc0  209.240.77.130,39805  ->  x.x.x.x,53  udp
    < Jun  15  15:48:02  dc0  65.119.25.162,3058  ->  x.x.x.x,53  udp
    < Jun  15  15:48:02  dc0  204.176.88.5,8329  ->  x.x.x.x,53  udp
    < Jun  15  15:48:02  dc0  64.14.117.10,4502  ->  x.x.x.x,53  udp
    < Jun  15  15:48:02  dc0  212.62.17.145,54557  ->  x.x.x.x,53  udp
    < Jun  15  15:48:11  dc0  64.15.251.198,32865  ->  x.x.x.x,53  udp
    < Jun  15  15:48:11  dc0  208.185.54.14,1687  ->  x.x.x.x,53  udp
    < Jun  15  15:48:11  dc0  213.61.6.2,17613  ->  x.x.x.x,53  udp
    < Jun  15  15:48:11  dc0  207.235.98.194,54613  ->  x.x.x.x,53  udp
    < Jun  15  15:48:11  dc0  64.0.96.12,50831  ->  x.x.x.x,53  udp
    < Jun  15  15:48:11  dc0  209.240.77.130,39805  ->  x.x.x.x,53  udp
    < Jun  15  15:48:11  dc0  65.119.25.162,3058  ->  x.x.x.x,53  udp
    < Jun  15  15:48:11  dc0  204.176.88.5,8329  ->  x.x.x.x,53  udp
    < Jun  15  15:48:12  dc0  64.14.117.10,4502  ->  x.x.x.x,53  udp
    < Jun  15  15:48:12  dc0  212.62.17.145,54557  ->  x.x.x.x,53  udp
    
    -- 
    Jason Dixon
    RHCE
    
    
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