""ET POLICY Observed DNS Query to IP Lookup Domain (me .shodan .io)""
SID: 2033729
Revision: 2
Class Type: policy-violation
Metadata: attack_target Client_Endpoint, created_at 2021_08_13, deployment Perimeter, signature_severity Informational, updated_at 2021_08_13
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: "|02|me|06|shodan|02|io|00|"
Within: 14
PCRE:
Special Options:
-
nocase
-
fast_pattern