Versions (4)
Version DetailsCurrent
Rev: 2 • Oct 19, 2020, 12:00 PMET MALWARE GravityRAT CnC Domain (dailybuild .mozillaupdates .com in DNS Lookup)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE GravityRAT CnC Domain (dailybuild .mozillaupdates .com in DNS Lookup)"; dns.query; content:"dailybuild.mozillaupdates.com"; nocase; endswith; reference:url,securelist.com/gravityrat-the-spy-returns/99097/; classtype:trojan-activity; sid:2031036; 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;)
Oct 19, 2020, 12:00 PM
Oct 19, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 15, 2025, 9:36 PM
rules/emerging-malware.rules