""ET EXPLOIT Apache log4j RCE Attempt - Nested lower (udp) (Outbound) (CVE-2021-44228)""
SID: 2034797
Revision: 2
Class Type: attempted-admin
Metadata: attack_target Server, created_at 2021_12_17, cve CVE_2021_44228, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2021_12_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application
Reference:
-
cve
-
2021-44228
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: any
Flow:
Contents:
- Value: "|24 7b 24 7b|lower|3a 24 7b|lower|3a|jndi"
Within:
PCRE:
Special Options:
- fast_pattern