ET MALWARE Possible DACLS RAT Log Collector Download

Query · suricata

flow:established,to_client;
file_data;
content:"ELF"; offset:1; depth:3;
content:"UPX|21|4"; distance:0;
content:"|2f|tmp|2f|hdv"; fast_pattern; distance:0;
content:"_log"; distance:20;
Raw source ET MALWARE Possible DACLS RAT Log Collector Download · 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 MALWARE Possible DACLS RAT Log Collector Download";
    flow:established,to_client;
    file_data;
    content:"ELF"; offset:1; depth:3;
    content:"UPX|21|4"; distance:0;
    content:"|2f|tmp|2f|hdv"; fast_pattern; distance:0;
    content:"_log"; distance:20;
    reference:md5,982bf527b9fe16205fea606d1beed7fa;
    reference:md5,793ed13e95f64aa38adc964efd86f6e6;
    reference:url,blog.netlab.360.com/dacls-the-dual-platform-rat-en/;
    classtype:trojan-activity;
    sid:2029880; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_04_10, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_10;
)

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