""ET EXPLOIT Apache Obfuscated log4j RCE Attempt (tcp ldap) (CVE-2021-44228)""
SID: 2034755
Revision: 1
Class Type: attempted-admin
Metadata: attack_target Server, created_at 2021_12_17, cve CVE_2021_44228, deployment Perimeter, signature_severity Major, updated_at 2021_12_17, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information
Reference:
-
cve
-
2021-44228
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: [$HOME_NET,$HTTP_SERVERS]
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "|24 7b 24 7b|env|3a|NaN|3a|-j|7d|ndi|24 7b|env|3a|NaN|3a|"
-
Value: "|24 7b|env|3a|NaN|3a|-l|7d|dap|24|"
Within:
PCRE:
Special Options:
-
nocase
-
fast_pattern