ET MALWARE Possible APT34 TONEDEAF 2.0 User-Agent Observed

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Windows|20|Phone|20|OS";
content:"|3b 20|IEMoblie|2f|9.0|29|"; endswith; fast_pattern;
Raw source ET MALWARE Possible APT34 TONEDEAF 2.0 User-Agent Observed · Suricata
Esc
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 Possible APT34 TONEDEAF 2.0 User-Agent Observed";
    flow:established,to_server;
    http.user_agent;
    content:"Windows|20|Phone|20|OS";
    content:"|3b 20|IEMoblie|2f|9.0|29|"; endswith; fast_pattern;
    reference:md5,a0324fa4f2d9d2f04ea4edad41160da6;
    classtype:command-and-control;
    sid:2029384; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_06, deployment Perimeter, malware_family TONEDEAF, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2020_02_06;
)

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