ET MALWARE Win32/Sephora Related Activity (POST)

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST //update.svc?action="; startswith; fast_pattern;
http.header_names;
content:"|0d 0a|Cache-Control|0d 0a|Connection|0d 0a|Pragma|0d 0a|"; startswith;
content:!"Referer";
Raw source ET MALWARE Win32/Sephora Related Activity (POST) · Suricata
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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 Win32/Sephora Related Activity (POST)";
    flow:established,to_server;
    http.request_line;
    content:"POST //update.svc?action="; startswith; fast_pattern;
    http.header_names;
    content:"|0d 0a|Cache-Control|0d 0a|Connection|0d 0a|Pragma|0d 0a|"; startswith;
    content:!"Referer";
    reference:md5,fc4106f71cdcdf6d6fab5441a6c6d7fb;
    classtype:trojan-activity;
    sid:2039016; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_09_28, deployment Perimeter, deployment SSLDecrypt, malware_family Win32_Sephora, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_28;
)

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