""ET POLICY Observed DNS Query to DynDNS Domain (dns-report .com)""
SID: 2027363
Revision: 2
Class Type: bad-unknown
Metadata: created_at 2019_05_17, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2019_05_17
Reference:
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: 53
Flow:
Contents:
-
Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|0a|dns-report|03|com|00|"
-
Value: "|00 00 00 00|"
Within: 7
PCRE: "/^(?:[\x01-\x20][a-z0-9-]{1,60}){1,10}\x0adns-report\x03com\x00/R"
Special Options:
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nocase
-
fast_pattern