Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE APT33/CharmingKitten DDNS Overlap Domain in DNS Lookup M1"; dns.query; content:"mynetwork.ddns.net"; nocase; fast_pattern; endswith; reference:md5,9881bccf12fd8ae71a03247d2ad61a06; classtype:targeted-activity; sid:2026573; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_11_05, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag APT33, tag CharmingKitten, updated_at 2020_09_16;)