Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE ELF/FontOnLake Related CnC Domain in DNS Lookup (hm2 .yrnykx .com)"; dns.query; content:"hm2.yrnykx.com"; nocase; bsize:14; reference:url,www.welivesecurity.com/wp-content/uploads/2021/10/eset_fontonlake.pdf; reference:md5,fa73b2fd914a0cfd5e7d3161af903b6c; reference:md5,5ecf30b7a6221af8f209a7b6681f91f9; classtype:domain-c2; sid:2034222; rev:1; metadata:affected_product Linux, created_at 2021_10_18, malware_family ELF_FontOnLake, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_18;)