ET MALWARE TA453 Related Activity (FTP)

Query · suricata

flow:established,to_server;
content:"VICTIM-PC__"; fast_pattern;
content:"/screen/";
content:".jpg";
Raw source ET MALWARE TA453 Related Activity (FTP) · 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 ftp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE TA453 Related Activity (FTP)";
    flow:established,to_server;
    content:"VICTIM-PC__"; fast_pattern;
    content:"/screen/";
    content:".jpg";
    reference:url,research.checkpoint.com/2022/apt35-exploits-log4j-vulnerability-to-distribute-new-modular-powershell-toolkit/;
    classtype:trojan-activity;
    sid:2034890; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_01_11, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_01_11;
)

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