ET MALWARE Trojan-Dropper.Delf Checkin

Query · suricata

flow:established,to_server;
http.uri;
content:"/autoupdate/versaoatual.txt"; fast_pattern; endswith;
http.user_agent;
content:"Mozilla/3.0 (compatible|3b 20|Indy Library)";
Raw source ET MALWARE Trojan-Dropper.Delf Checkin · 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 Trojan-Dropper.Delf Checkin";
    flow:established,to_server;
    http.uri;
    content:"/autoupdate/versaoatual.txt"; fast_pattern; endswith;
    http.user_agent;
    content:"Mozilla/3.0 (compatible|3b 20|Indy Library)";
    reference:md5,52765b346c12d55e255a669bb8cfebb8;
    classtype:command-and-control;
    sid:2025283; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_02_01, deployment Perimeter, malware_family Dropper, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_11_05;
)

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