ET MALWARE Possible Win32/DarkWatchMan User Agent M1

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Mozilla/5.0(Windows NT 10.0|3b| WOW64|3b| Trident/7.0|3b| rv:11.1)like Gecko"; bsize:67; nocase; fast_pattern;
Raw source ET MALWARE Possible Win32/DarkWatchMan User Agent M1 · 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 Possible Win32/DarkWatchMan User Agent M1";
    flow:established,to_server;
    http.user_agent;
    content:"Mozilla/5.0(Windows NT 10.0|3b| WOW64|3b| Trident/7.0|3b| rv:11.1)like Gecko"; bsize:67; nocase; fast_pattern;
    reference:md5,1706c64156d873ebbd0c6ecac95fec39;
    reference:md5,79b824bb99b4cc4f5da880371de52977;
    reference:md5,b25b24998800da7b5cf17879f2eb83ed;
    reference:md5,d68180819bb8eb8207dc6ab74c1a4642;
    reference:md5,e0cdcf346e98aa22cac5dd6ad1ef53d5;
    reference:md5,ede6e26ab4fe6d35ddb58613fbdf6b97;
    reference:md5,1706c64156d873ebbd0c6ecac95fec39;
    reference:url,securityintelligence.com/x-force/new-hive0117-phishing-campaign-imitates-conscription-summons-deliver-darkwatchman-malware/;
    classtype:trojan-activity;
    sid:2048565; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_13, deployment Perimeter, malware_family DarkWatchman, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_16, reviewed_at 2024_10_15;
)

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