ET MALWARE Possible OwlProxy activity M2

Query · suricata

flow:established,to_server;
http.uri;
content:"/s?pp="; fast_pattern;
target:dest_ip;
Raw source ET MALWARE Possible OwlProxy activity M2 · 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 Possible OwlProxy activity M2";
    flow:established,to_server;
    http.uri;
    content:"/s?pp="; fast_pattern;
    reference:url,unit42.paloaltonetworks.com/rare-possible-gelsemium-attack-targets-se-asia;
    reference:url,www.telsy.com/microsoft-exchange-servers-backdoored-with-owlproxy-fuscom-dll;
    classtype:trojan-activity;
    sid:2048236; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_09_25, deployment Perimeter, deployment Internal, deployment SSLDecrypt, malware_family OwlProxy, performance_impact Low, confidence Low, signature_severity Major, updated_at 2023_09_25, reviewed_at 2023_09_25;
    target:dest_ip;
)

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