ET HUNTING Obfuscated Split String (Single Q) 5

Query · suricata

flow:established,from_server;
file_data;
content:"|27|sp|27|+|27|l|27|+|27|it|27|"; nocase;
flowbits:set,ET.JS.Obfus.Func;

Rule dependencies

Feeds into

  • 2 rules read ET.JS.Obfus.Func · view all
Raw source ET HUNTING Obfuscated Split String (Single Q) 5 · 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 HUNTING Obfuscated Split String (Single Q) 5";
    flow:established,from_server;
    file_data;
    content:"|27|sp|27|+|27|l|27|+|27|it|27|"; nocase;
    flowbits:set,ET.JS.Obfus.Func;
    classtype:bad-unknown;
    sid:2017224; rev:3;
    metadata:created_at 2013_07_30, former_category INFO, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_29, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.