ET MALWARE Polonium APT PAPACREEP Backdoor Related Activity

Query · suricata

flow:established,to_server;
content:"Content-length|3a|1024";
content:"Content-Type|3a|text/-html"; distance:0; fast_pattern;
Raw source ET MALWARE Polonium APT PAPACREEP Backdoor Related 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 tcp any any -> any any (
    msg:"ET MALWARE Polonium APT PAPACREEP Backdoor Related Activity";
    flow:established,to_server;
    content:"Content-length|3a|1024";
    content:"Content-Type|3a|text/-html"; distance:0; fast_pattern;
    reference:url,www.welivesecurity.com/2022/10/11/polonium-targets-israel-creepy-malware/;
    classtype:trojan-activity;
    sid:2039152; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_10_11, deployment Perimeter, malware_family Polonium, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_11;
)

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