ET HUNTING Apache log4j RCE Attempt - Any Protocol (lower UDP Bypass) (CVE-2021-44228)

7.0.35.0SID: 2034809Rev: 2Enabled20 views
History
Sourceet/open
Fileemerging-hunting.rules
CreatedDecember 20, 2021
UpdatedMarch 8, 2024
Classificationattempted-admin
alert udp any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET HUNTING Apache log4j RCE Attempt - Any Protocol (lower UDP Bypass) (CVE-2021-44228)"; content:"|24 7b|lower|3a|j"; nocase; fast_pattern; content:"n"; within:12; content:"d"; within:12; content:"i"; within:12; reference:cve,2021-44228; classtype:attempted-admin; sid:2034809; rev:2; metadata:created_at 2021_12_20, cve CVE_2021_44228, confidence Medium, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_08, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;)

References

cve2021-44228

Metadata

created at2021_12_20
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_08
mitre tactic idTA0008
mitre tactic nameLateral_Movement
mitre technique idT1210
mitre technique nameExploitation_Of_Remote_Services

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