OSEC

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From: Lane Weast (lweastleeclerk.org)
Date: Tue Feb 26 2002 - 15:25:34 CST

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    Looks like it's not the first time for them either. Also reported on the
    17th.

    Found this with a Google search on 212.69.172.16

    FW: Hack - DNS cache poisoning resurfacing

    http://archives.neohapsis.com/archives/incidents/2002-01/0133.html

    [hi there,
    [
    [
    [We obviously got some cache poisoning recently.
    [FYI: we are using MS DNS.
    [Anyone got the same problems???
    [
    [
    [I've seen nothing on our IDS...
    [
    [
    [PS: I CCed dnsmasterns3.domainname.at just to check if he's aware of
    [this...
    [
    [
    [here's the stuff:
    [It looks definitely like the old DNS cache poisoning trick:
    [
    [
    [
    [> HERE:
    [>
    [> C:\WINDOWS>ping www.vmyths.com
    [>
    [> Pinging www.vmyths.com [212.69.172.16] with 32 bytes of data:
    [>
    [> Reply from 212.69.172.16: bytes=32 time=97ms TTL=241
    [> Reply from 212.69.172.16: bytes=32 time=43ms TTL=241
    [> Reply from 212.69.172.16: bytes=32 time=27ms TTL=241
    [> Reply from 212.69.172.16: bytes=32 time=27ms TTL=241
    [>
    [> Ping statistics for 212.69.172.16:
    [> Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    [> Approximate round trip times in milli-seconds:
    [> Minimum = 27ms, Maximum = 97ms, Average = 48ms
    [>
    [>
    [> THERE:
    [>
    [> www.vmyths.com
    [> Name: vmyths.com
    [> Address: 216.217.111.18
    [> Aliases: www.vmyths.com
    [>
    [> let's see if this comes from some poisoning and so on...
    [>
    [>
    [> if we look the SOA records from a distant site, we get this:
    [>
    [> > set q=SOA
    [> > vmyths.com
    [> vmyths.com
    [> origin = dns9.register.com
    [> mail addr = root.register.com
    [> serial = 2000011705
    [> refresh = 10800 (3H)
    [> retry = 86400 (1D)
    [> expire = 604800 (1W)
    [> minimum ttl = 3600 (1H)
    [> vmyths.com nameserver = dns9.register.com
    [> vmyths.com nameserver = dns10.register.com
    [>
    [> whereas if we look at them from our point of view:
    [>
    [> > set q=SOA
    [> > vmyths.com
    [ vmyths.com
    [> origin = ns3.domainname.at
    [> mail address = dnsmaster.ns3.domainname.at
    [> serial = 1009665720
    [> refresh = 1800 (30M)
    [> retry = 600 (10M)
    [> expire = 1800 (30M)
    [> minimum ttl = 1800 (30M)
    [>
    [>