ET HUNTING schtasks delete Command in HTTP Body Response

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
http.response_body;
content:"schtasks"; fast_pattern; nocase;
pcre:"/^.*?\x2fdelete.*?\x2ftn/Ri";
target:dest_ip;
Raw source ET HUNTING schtasks delete Command in HTTP Body Response · Suricata
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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 schtasks delete Command in HTTP Body Response";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.response_body;
    content:"schtasks"; fast_pattern; nocase;
    pcre:"/^.*?\x2fdelete.*?\x2ftn/Ri";
    reference:url,learn.microsoft.com/en-us/windows-server/administration/windows-commands/schtasks;
    classtype:bad-unknown;
    sid:2064623; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state plaintext, created_at 2025_09_12, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_15, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1570, mitre_technique_name Lateral_Tool_Transfer;
    target:dest_ip;
)

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