alert dns $HOME_NET any -> any any (msg:"ET MALWARE DarkHotel CnC Domain in DNS Lookup"; dns.query; content:"pwsmbx.com"; nocase; endswith; reference:url,blogs.jpcert.or.jp/ja/2019/05/darkhotel_lnk.html; classtype:targeted-activity; sid:2027399; rev:3; metadata:created_at 2019_05_30, confidence High, signature_severity Major, tag DarkHotel, updated_at 2020_09_17;)