ET MALWARE Suspected Praying Mantis Threat Actor Activity

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Mozilla/5.0+(Windows+NT+10.0|3b|+WOW64|3b|+Trident/7.0|3b|+rv|3a|11.0)+like+Gecko"; bsize:69; fast_pattern;
Raw source ET MALWARE Suspected Praying Mantis Threat Actor Activity · 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 -> any any (
    msg:"ET MALWARE Suspected Praying Mantis Threat Actor Activity";
    flow:established,to_server;
    http.user_agent;
    content:"Mozilla/5.0+(Windows+NT+10.0|3b|+WOW64|3b|+Trident/7.0|3b|+rv|3a|11.0)+like+Gecko"; bsize:69; fast_pattern;
    reference:url,f.hubspotusercontent30.net/hubfs/8776530/TG1021%20-%20Praying%20Mantis%20Threat%20Actor.pdf;
    classtype:trojan-activity;
    sid:2033710; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_08_11, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_11;
)

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