Versions (4)
Version DetailsCurrent
Rev: 4 • Sep 4, 2018, 12:00 PMET MALWARE Malicious Mega Chrome Extension Exfil Domain (www .megaopac .host in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Malicious Mega Chrome Extension Exfil Domain (www .megaopac .host in TLS SNI)"; flow:established,to_server; tls.sni; content:"www.megaopac.host"; endswith; nocase; reference:url,twitter.com/serhack_/status/1037026672787304450; classtype:trojan-activity; sid:2026073; rev:4; metadata:affected_product Google_Chrome, attack_target Client_Endpoint, created_at 2018_09_04, malware_family Stealer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Sep 4, 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