Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Obsidium Stealer Data Exfiltration Attempt M4"; flow:established,to_server; content:"databases/firefox-"; depth:18; pcre:"/^[a-z0-9]{8}/R"; content:"cookies_firefox.db"; fast_pattern; distance:0; reference:md5,fbde689446a216b919faf588f3b01801; classtype:trojan-activity; sid:2043669; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_01_24, deployment Perimeter, malware_family Win32_Obsidium, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_24;)