ET MALWARE Mimikatz x86 Executable Download Over HTTP

Query · suricata

flow:established,to_client;
flowbits:isset,ET.http.binary;
content:"|89 71 04 89|";
content:"|30 8d 04 bd|"; within:7;
content:"|8b 4d|";
content:"|8b 45 f4 89 75|"; distance:1; within:5;
content:"|89 01 85 ff 74|"; distance:1; within:5;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE Mimikatz x86 Executable Download Over HTTP · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Mimikatz x86 Executable Download Over HTTP";
    flow:established,to_client;
    flowbits:isset,ET.http.binary;
    content:"|89 71 04 89|";
    content:"|30 8d 04 bd|"; within:7;
    content:"|8b 4d|";
    content:"|8b 45 f4 89 75|"; distance:1; within:5;
    content:"|89 01 85 ff 74|"; distance:1; within:5;
    reference:url,github.com/gentilkiwi/mimikatz;
    classtype:trojan-activity;
    sid:2029334; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_29, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_28;
)

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