Versions (4)
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Rev: 1 • Aug 25, 2021, 12:00 PMET MALWARE SparklingGoblin/Winnti Group SideWalk Domain in DNS Lookup
alert dns $HOME_NET any -> any any (msg:"ET MALWARE SparklingGoblin/Winnti Group SideWalk Domain in DNS Lookup"; dns.query; content:"update.facebookint.workers.dev"; nocase; bsize:30; reference:url,www.welivesecurity.com/2021/08/24/sidewalk-may-be-as-dangerous-as-crosswalk/; classtype:domain-c2; sid:2033784; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_08_25, deployment Perimeter, malware_family Winnti_related, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_25;)
Aug 25, 2021, 12:00 PM
Aug 25, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 9, 2025, 9:34 PM
rules/emerging-malware.rules