alert dns $HOME_NET any -> any any (msg:"ET MOBILE_MALWARE ANDROIDOS_LEAKERLOCKER.HRX DNS Lookup"; dns.query; content:"updatmaster.top"; depth:15; fast_pattern; endswith; nocase; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/leakerlocker-mobile-ransomware-threatens-expose-user-information/; classtype:trojan-activity; sid:2024509; rev:5; metadata:affected_product Android, attack_target Mobile_Client, created_at 2017_08_02, deployment Perimeter, confidence Medium, signature_severity Major, tag Android, updated_at 2020_09_17;)