Rule History

alert dns $HOME_NET any -> any any (msg:"ET MOBILE_MALWARE Android/ProxyLib Related Domain in DNS Lookup (nsignal .net)"; dns.query; bsize:11; content:"nsignal.net"; nocase; reference:url,www.humansecurity.com/learn/blog/satori-threat-intelligence-alert-proxylib-and-lumiapps-transform-mobile-devices-into-proxy-nodes; classtype:bad-unknown; sid:2051802; rev:1; metadata:affected_product Android, attack_target Mobile_Client, created_at 2024_03_26, deployment Perimeter, malware_family ProxyLib, performance_impact Low, confidence High, signature_severity Major, tag ProxyLib, updated_at 2024_03_26, reviewed_at 2025_07_14;)