ET EXPLOIT Apache log4j RCE Attempt (udp ldap) (CVE-2021-44228)

Query · suricata

content:"|24 7b|jndi|3a|ldap|3a 2f 2f|"; nocase; fast_pattern;
Raw source ET EXPLOIT Apache log4j RCE Attempt (udp ldap) (CVE-2021-44228) · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert udp any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Apache log4j RCE Attempt (udp ldap) (CVE-2021-44228)";
    content:"|24 7b|jndi|3a|ldap|3a 2f 2f|"; nocase; fast_pattern;
    reference:url,lunasec.io/docs/blog/log4j-zero-day/;
    reference:cve,2021-44228;
    classtype:attempted-admin;
    sid:2034651; rev:2;
    metadata:attack_target Server, created_at 2021_12_10, cve CVE_2021_44228, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2021_12_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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