ET MALWARE JAR/Qealler Stealer HTTP Headers Observed

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.header_names;
content:"|0d 0a|q-qealler-id|0d 0a|q-qealler-stub-id|0d 0a|"; fast_pattern;
content:!"Referer";
Raw source ET MALWARE JAR/Qealler Stealer HTTP Headers Observed · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE JAR/Qealler Stealer HTTP Headers Observed";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.header_names;
    content:"|0d 0a|q-qealler-id|0d 0a|q-qealler-stub-id|0d 0a|"; fast_pattern;
    content:!"Referer";
    reference:url,www.zscaler.com/blogs/research/qealler-new-jar-based-information-stealer;
    classtype:trojan-activity;
    sid:2027311; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_05_02, deployment Perimeter, malware_family Qealler, performance_impact Low, confidence High, signature_severity Major, tag Stealer, updated_at 2020_08_28;
)

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