Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible Zendran ELF IRCBot Joining Channel"; flow:established,to_server; content:"USER ass localhost localhost"; nocase; reference:url,blog.malwaremustdie.org/2014/05/threat-analysis-zendran-elf-ddos-scheme.html; reference:url,capsop.com/lightaidra-cc-investigation/; classtype:trojan-activity; sid:2018482; rev:2; metadata:created_at 2014_05_19, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)