Versions (6)
Version DetailsCurrent
Rev: 1 • Jun 15, 2023, 12:00 PMET EXPLOIT Possible Barracuda Email Security Gateway Remote Code Execution Attempt (CVE-2023-2868) M1
alert smtp any any -> $SMTP_SERVERS any (msg:"ET EXPLOIT Possible Barracuda Email Security Gateway Remote Code Execution Attempt (CVE-2023-2868) M1"; flow:established,to_server; file.data; content:"|75 73 74 61 72|"; fast_pattern; content:"|27 60|"; distance:0; content:"|60 27|"; within:500; reference:url,www.mandiant.com/resources/blog/barracuda-esg-exploited-globally; reference:cve,2023-2868; classtype:attempted-admin; sid:2046280; rev:1; metadata:affected_product Barracuda_ESG, attack_target SMTP_Server, created_at 2023_06_15, cve CVE_2023_2868, deployment Perimeter, deployment Internal, performance_impact Low, confidence Low, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_21, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
Jun 15, 2023, 12:00 PM
Sep 21, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 21, 2025, 9:36 PM
rules/emerging-exploit.rules