ET ADWARE_PUP [PTsecurity] Adware.FileFinder Activity

Query · suricata

flow:established, to_server;
threshold:type limit, track by_src, count 1, seconds 30;
http.method;
content:"POST";
http.uri;
content:"/?i=";
http.request_body;
content:"report=AAA"; depth:20; fast_pattern;
http.content_type;
content:"application/x-www-form-urlencoded"; startswith;
http.header_names;
content:!"Accept-Encoding|0d 0a|";
content:!"Referer|0d 0a|";
content:!"User-Agent|0d 0a|";
Raw source ET ADWARE_PUP [PTsecurity] Adware.FileFinder Activity · 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 ADWARE_PUP [PTsecurity] Adware.FileFinder Activity";
    flow:established, to_server;
    threshold:type limit, track by_src, count 1, seconds 30;
    http.method;
    content:"POST";
    http.uri;
    content:"/?i=";
    http.request_body;
    content:"report=AAA"; depth:20; fast_pattern;
    http.content_type;
    content:"application/x-www-form-urlencoded"; startswith;
    http.header_names;
    content:!"Accept-Encoding|0d 0a|";
    content:!"Referer|0d 0a|";
    content:!"User-Agent|0d 0a|";
    classtype:pup-activity;
    sid:2024904; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_10_23, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Minor, updated_at 2020_08_31;
)

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