ET SCADA [nsacyber/ELITEWOLF] Schweitzer Engineering Laboratories SEL FTP Server Activity - SET_ File Upload Attempt

Query · suricata

flow:established,to_server;
content:"STOR SET_"; fast_pattern; nocase;
pcre:"/^[A-Z0-9]{1,4}/Ri";
target:src_ip;
Raw source ET SCADA [nsacyber/ELITEWOLF] Schweitzer Engineering Laboratories SEL FTP Server Activity - SET_ File Upload Attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt any any -> $HOME_NET 21 (
    msg:"ET SCADA [nsacyber/ELITEWOLF] Schweitzer Engineering Laboratories SEL FTP Server Activity - SET_ File Upload Attempt";
    flow:established,to_server;
    content:"STOR SET_"; fast_pattern; nocase;
    pcre:"/^[A-Z0-9]{1,4}/Ri";
    reference:url,github.com/nsacyber/ELITEWOLF;
    classtype:misc-activity;
    sid:2048674; rev:1;
    metadata:affected_product Schweitzer_Engineering_Laboratories_SEL_Series, attack_target ICS, created_at 2023_10_19, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Minor, updated_at 2023_10_19, reviewed_at 2023_10_19;
    target:src_ip;
)

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