""ET INFO File Sharing Service Domain in DNS Lookup (drive .filen .io)""
SID: 2050074
Revision: 1
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2024_01_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_01_16, reviewed_at 2024_04_15
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: "|05|drive|05|filen|02|io|00|"
Within: 16
PCRE:
Special Options:
-
fast_pattern
-
nocase