ET ATTACK_RESPONSE Obfuscated Batch Script Inbound M2

Query · suricata

flow:established,from_server;
content:"%%comspec|3a|"; nocase;
content:"%%programfiles|3a|";
content:"%commonprogramfiles|3a|"; nocase; fast_pattern;
Raw source ET ATTACK_RESPONSE Obfuscated Batch Script Inbound 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 ATTACK_RESPONSE Obfuscated Batch Script Inbound M2";
    flow:established,from_server;
    content:"%%comspec|3a|"; nocase;
    content:"%%programfiles|3a|";
    content:"%commonprogramfiles|3a|"; nocase; fast_pattern;
    reference:md5,abd0a49fda67547639eeaced7955a01a;
    classtype:misc-attack;
    sid:2034184; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_10_13, deployment Perimeter, confidence High, signature_severity Major, tag Coinminer, updated_at 2021_10_13, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;
)

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