Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE GravityRAT CnC Domain (click2chat .org in DNS Lookup)"; dns.query; content:"click2chat.org"; nocase; endswith; reference:url,securelist.com/gravityrat-the-spy-returns/99097/; classtype:trojan-activity; sid:2031033; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Android, attack_target Client_Endpoint, created_at 2020_10_19, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_19;)