alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query for Known Chewbacca CnC Server"; dns.query; content:"5ji235jysrvwfgmb.onion"; depth:22; fast_pattern; endswith; reference:md5,21f8b9d9a6fa3a0cd3a3f0644636bf09; reference:url,usa.visa.com/download/merchants/Alert-ChewbaccaMalware-030614.pdf; reference:url,symantec.com/security_response/earthlink_writeup.jsp?docid=2013-121813-2446-99; classtype:command-and-control; sid:2018114; rev:5; metadata:created_at 2014_02_12, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17;)