""ET ATTACK_RESPONSE DNS Query for Observed CVE-2021-44228 Security Scanner Domain (log4j. leakix .net)""
SID: 2034831
Revision: 3
Class Type: trojan-activity
Metadata: attack_target Client_and_Server, created_at 2021_12_21, cve CVE_2021_44228, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_01_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: "|05|log4j|06|leakix|03|net|00|"
Within: 7
PCRE:
Special Options:
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nocase
-
fast_pattern