ET EXPLOIT Apache log4j RCE Attempt - Nested upper (udp) (Outbound) (CVE-2021-44228) - Suricata Rule 2034795 (et/open)

ET EXPLOIT Apache log4j RCE Attempt - Nested upper (udp) (Outbound) (CVE-2021-44228)

SID: 2034795Rev: 20 viewsHistory

Sourceet/open

CreatedDecember 17, 2021

UpdatedDecember 17, 2021

Classificationattempted-admin

alert udp $HOME_NET any -> any any (msg:"ET EXPLOIT Apache log4j RCE Attempt - Nested upper (udp) (Outbound) (CVE-2021-44228)"; content:"|24 7b 24 7b|upper|3a 24 7b|upper|3a|jndi"; fast_pattern; reference:cve,2021-44228; classtype:attempted-admin; sid:2034795; rev:2; metadata:attack_target Server, created_at 2021_12_17, cve CVE_2021_44228, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, 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;)

References

cve	2021-44228

Metadata

attack targetServer

created at2021_12_17

cveCVE-2021-44228

deploymentInternal

confidenceHigh

signature severityMajor

tagCISA_KEV

updated at2021_12_17

mitre tactic idTA0001

mitre tactic nameInitial_Access

mitre technique idT1190

mitre technique nameExploit_Public_Facing_Application

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