ET MALWARE ObliqueRAT CnC Checkin

Query · suricata

flow:established,to_server;
content:"|3e 57 69 6e 64 6f 77 73 20|"; fast_pattern;
content:"|3e|"; distance:0;
content:"|3e|"; distance:0;
content:"|20|bits|3e|"; distance:0;
content:"|3e|"; distance:0;
content:"|3e 00|"; distance:0;
isdataat:!1,relative;
Raw source ET MALWARE ObliqueRAT CnC Checkin · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE ObliqueRAT CnC Checkin";
    flow:established,to_server;
    content:"|3e 57 69 6e 64 6f 77 73 20|"; fast_pattern;
    content:"|3e|"; distance:0;
    content:"|3e|"; distance:0;
    content:"|20|bits|3e|"; distance:0;
    content:"|3e|"; distance:0;
    content:"|3e 00|"; distance:0;
    isdataat:!1,relative;
    reference:md5,36903d471c43b5d602aefd791e25c889;
    reference:url,blog.talosintelligence.com/2020/02/obliquerat-hits-victims-via-maldocs.html;
    classtype:trojan-activity;
    sid:2029530; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_24, deployment Perimeter, malware_family ObliqueRAT, confidence High, signature_severity Major, updated_at 2020_02_24;
)

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