Versions (6)
Version DetailsCurrent
Rev: 2 • Dec 17, 2021, 12:00 PMET EXPLOIT Apache log4j RCE Attempt (http ldaps) (Outbound) (CVE-2021-44228)
alert http $HOME_NET any -> any any (msg:"ET EXPLOIT Apache log4j RCE Attempt (http ldaps) (Outbound) (CVE-2021-44228)"; flow:established,to_server; content:"|24 7b|jndi|3a|ldaps|3a 2f 2f|"; nocase; fast_pattern; reference:url,lunasec.io/docs/blog/log4j-zero-day; reference:cve,2021-44228; classtype:attempted-admin; sid:2034768; rev:2; metadata:attack_target Server, created_at 2021_12_17, cve CVE_2021_44228, deployment Perimeter, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_12_17, reviewed_at 2024_05_07;)
Dec 17, 2021, 12:00 PM
Dec 17, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 8, 2025, 9:34 PM
rules/emerging-exploit.rules