ET MALWARE Win32/Obsidium Stealer Data Exfiltration Attempt M4

Query · suricata

flow:established,to_server;
content:"databases/firefox-"; depth:18;
pcre:"/^[a-z0-9]{8}/R";
content:"cookies_firefox.db"; fast_pattern; distance:0;
Raw source ET MALWARE Win32/Obsidium Stealer Data Exfiltration Attempt M4 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
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;
)

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