ET MALWARE TDTESS Backdoor User-Agent

Query · suricata

flow:established,to_server;
http.user_agent;
content:"XXXXXXXXXXXXXXXXX/5.0 (Windows NT 6.1 WOW64|3b 20|Trident/7.0|3b 20|AS|3b 20|rv:11.0) like Gecko";
Raw source ET MALWARE TDTESS Backdoor User-Agent · 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 TDTESS Backdoor User-Agent";
    flow:established,to_server;
    http.user_agent;
    content:"XXXXXXXXXXXXXXXXX/5.0 (Windows NT 6.1 WOW64|3b 20|Trident/7.0|3b 20|AS|3b 20|rv:11.0) like Gecko";
    reference:md5,113ca319e85778b62145019359380a08;
    reference:url,www.clearskysec.com/wp-content/uploads/2017/07/Operation_Wilted_Tulip.pdf;
    classtype:trojan-activity;
    sid:2024498; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_07_25, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_08_11;
)

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