alert dns $HOME_NET any -> any any (msg:"ET MALWARE Sofacy DNS Lookup"; dns.query; content:"softupdates.info"; depth:16; nocase; endswith; fast_pattern; reference:md5,c3ae4a37094ecfe95c2badecf40bf5bb; classtype:targeted-activity; sid:2022121; rev:5; metadata:created_at 2015_11_19, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17;)