ET MALWARE Known Malicious Expires Header Seen In Malicious JavaScript Downloader Campaign

Query · suricata

flow:established,to_client;
http.header;
content:"Expires|3A 20|Tue, 08 Jan 1935 00|3A|00|3A|00 GMT"; fast_pattern;
Raw source ET MALWARE Known Malicious Expires Header Seen In Malicious JavaScript Downloader Campaign · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Known Malicious Expires Header Seen In Malicious JavaScript Downloader Campaign";
    flow:established,to_client;
    http.header;
    content:"Expires|3A 20|Tue, 08 Jan 1935 00|3A|00|3A|00 GMT"; fast_pattern;
    classtype:trojan-activity;
    sid:2024229; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_04_20, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_08_05;
)

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