Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Possible Pegasus Related DNS Lookup (whatsapp-app .com)"; dns.query; content:"whatsapp-app.com"; depth:16; nocase; endswith; fast_pattern; reference:url,citizenlab.org/2016/08/million-dollar-dissident-iphone-zero-day-nso-group-uae/; classtype:trojan-activity; sid:2023129; rev:5; metadata:attack_target Client_Endpoint, created_at 2016_08_25, deployment Perimeter, malware_family Pegasus, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2020_09_17;)