""ET INFO External IP Lookup Domain (freegeiop .net in DNS lookup)""
SID: 2036860
Revision: 2
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2017_03_10, deployment Perimeter, signature_severity Informational, tag IP_address_lookup_website, updated_at 2017_11_02
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: "|09|freegeoip|03|net|00|"
Within: 7
PCRE:
Special Options:
-
nocase
-
fast_pattern