""ET INFO Observed DNS Query to Commonly Abused Preview Domain (preview-domain .com)""
SID: 2034561
Revision: 3
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2021_11_30, deployment Perimeter, signature_severity Informational, updated_at 2022_11_21
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: "|0e|preview-domain|03|com|00|"
Within: 7
PCRE:
Special Options:
-
nocase
-
fast_pattern