Back to Rule

Rule History

SID: 2103077 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2Sep 23, 2010, 12:00 PM

GPL FTP RNFR overflow attempt

alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"GPL FTP RNFR overflow attempt"; flow:to_server,established; content:"RNFR"; nocase; isdataat:100,relative; pcre:"/^RNFR\s[^\n]{100}/smi"; classtype:attempted-admin; sid:2103077; rev:2; metadata:created_at 2010_09_23, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Sep 23, 2010, 12:00 PM

Jul 26, 2019, 12:00 PM

Sep 21, 2024, 3:00 AM

Oct 21, 2025, 10:35 PM

rules/emerging-ftp.rules