""ET INFO Simplenote Notes Taking App Domain in DNS Lookkup (app .simplenote .com)""
SID: 2048387
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2023_10_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag TA_Abused_Service, updated_at 2023_10_04, reviewed_at 2023_10_04
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: "|03|app|0a|simplenote|03|com|00|"
Within: 20
PCRE:
Special Options:
-
fast_pattern
-
nocase