""ET TROJAN Observed DNS Query to Mirai Domain (miraistealer .xyz)""
SID: 2043309
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2023_01_17, deployment Perimeter, malware_family Mirai, signature_severity Major, updated_at 2023_01_17
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: "|0c|miraistealer|03|xyz|00|"
Within: 18
PCRE:
Special Options:
-
nocase
-
fast_pattern