Versions (4)
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Rev: 1 • May 27, 2021, 12:00 PMET MALWARE Observed Malicious Domain Targeting Minority Groups Domain (unohcr .org in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Malicious Domain Targeting Minority Groups Domain (unohcr .org in TLS SNI)"; flow:established,to_server; tls.sni; content:"unohcr.org"; bsize:10; fast_pattern; reference:url,research.checkpoint.com/2021/uyghurs-a-Turkic-ethnic-minority-in-china-targeted-via-fake-foundations/; classtype:domain-c2; sid:2033042; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_05_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
May 27, 2021, 12:00 PM
May 27, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 11, 2025, 9:34 PM
rules/emerging-malware.rules