ET ADWARE_PUP OSX/Adware.Pirrit CnC Activity 4

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/exec.tgz"; endswith; fast_pattern;
http.user_agent;
content:"curl/"; startswith;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET ADWARE_PUP OSX/Adware.Pirrit CnC Activity 4 · 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 OSX/Adware.Pirrit CnC Activity 4";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/exec.tgz"; endswith; fast_pattern;
    http.user_agent;
    content:"curl/"; startswith;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,malpedia.caad.fkie.fraunhofer.de/details/osx.pirrit;
    classtype:pup-activity;
    sid:2033029; rev:1;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2021_05_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_25;
)

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