Versions (4)
Version DetailsCurrent
Rev: 4 • Apr 26, 2018, 12:00 PMET MALWARE MSIL/GravityRAT CnC Domain (msoftupdates .com in DNS Lookup)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE MSIL/GravityRAT CnC Domain (msoftupdates .com in DNS Lookup)"; dns.query; content:"msoftupdates.com"; nocase; endswith; reference:url,blog.talosintelligence.com/2018/04/gravityrat-two-year-evolution-of-apt.html; classtype:command-and-control; sid:2025542; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_26, deployment Perimeter, malware_family GravityRAT, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_16;)
Apr 26, 2018, 12:00 PM
Sep 16, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 29, 2025, 9:34 PM
rules/emerging-malware.rules