ET MALWARE OS X Backdoor Checkin

Query · suricata

flow:established,to_server;
http.header;
content:"Accept-Encoding|3a 20|base64,gzip"; fast_pattern;
content:"|20|Mac|20|OS|20|X|3a|";
Raw source ET MALWARE OS X Backdoor Checkin · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE OS X Backdoor Checkin";
    flow:established,to_server;
    http.header;
    content:"Accept-Encoding|3a 20|base64,gzip"; fast_pattern;
    content:"|20|Mac|20|OS|20|X|3a|";
    reference:url,www.securelist.com/en/blog/208193467/SabPub_Mac_OS_X_Backdoor_Java_Exploits_Targeted_Attacks_and_Possible_APT_link;
    classtype:command-and-control;
    sid:2014564; rev:3;
    metadata:created_at 2012_04_16, signature_severity Major, updated_at 2020_04_21;
)

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