Versions (3)
Version DetailsCurrent
Rev: 3 • Nov 27, 2017, 12:00 PMET EXPLOIT Exim4 UAF Attempt (BDAT with non-printable chars)
alert smtp any any -> $SMTP_SERVERS any (msg:"ET EXPLOIT Exim4 UAF Attempt (BDAT with non-printable chars)"; flow:established,to_server; content:"BDAT"; depth:5; pcre:"/^\s*\d*[^\x20-\x7e\r\n\t]/R"; reference:url,lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html; classtype:attempted-admin; sid:2025063; rev:3; metadata:attack_target SMTP_Server, created_at 2017_11_27, deployment Internal, deployment Datacenter, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2019_07_26;)
Nov 27, 2017, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-exploit.rules