ET HUNTING Possible REvil 0day Exploitation Activity Inbound

Query · suricata

flow:established,to_server;
content:"|0a|procCreate|28 22|Archive";
content:"procStep|28|"; distance:0; within:50;
content:"+++SQLCMD|3a 22|+"; distance:0; within:100;
content:"|22|DELETE|20|FROM";
Raw source ET HUNTING Possible REvil 0day Exploitation Activity Inbound · 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 any any -> [$HTTP_SERVERS,$HOME_NET] any (
    msg:"ET HUNTING Possible REvil 0day Exploitation Activity Inbound";
    flow:established,to_server;
    content:"|0a|procCreate|28 22|Archive";
    content:"procStep|28|"; distance:0; within:50;
    content:"+++SQLCMD|3a 22|+"; distance:0; within:100;
    content:"|22|DELETE|20|FROM";
    reference:url,blog.truesec.com/2021/07/04/kaseya-supply-chain-attack-targeting-msps-to-deliver-revil-ransomware/;
    classtype:bad-unknown;
    sid:2033236; rev:1;
    metadata:created_at 2021_07_05, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_05;
)

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