Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Bitter APT Related Domain in DNS Lookup (signal-premium-app .org)"; dns.query; content:"signal-premium-app.org"; nocase; bsize:22; reference:url,blog.cyble.com/2022/08/09/bitter-apt-group-using-dracarys-android-spyware/; classtype:domain-c2; sid:2038773; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_09_08, deployment Perimeter, malware_family Bitter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_08;)