ET MALWARE HermeticWizard - WMI Spreader - File Copy via SMB1 (NT Create AndX Request)

Query · suricata

flow:established,to_server;
content:"SMB"; depth:8;
content:"|a2|"; within:1;
content:"|27 00 00 5c 00 63 00|"; distance:0;
pcre:"/^(?:[A-F0-9]\x00){12}/R";
content:"|2e 00|d|00|l|00|l|00|"; within:8; fast_pattern;
Raw source ET MALWARE HermeticWizard - WMI Spreader - File Copy via SMB1 (NT Create AndX Request) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt any any -> [$HOME_NET,$HTTP_SERVERS] 445 (
    msg:"ET MALWARE HermeticWizard - WMI Spreader - File Copy via SMB1 (NT Create AndX Request)";
    flow:established,to_server;
    content:"SMB"; depth:8;
    content:"|a2|"; within:1;
    content:"|27 00 00 5c 00 63 00|"; distance:0;
    pcre:"/^(?:[A-F0-9]\x00){12}/R";
    content:"|2e 00|d|00|l|00|l|00|"; within:8; fast_pattern;
    reference:url,www.welivesecurity.com/2022/03/01/isaacwiper-hermeticwizard-wiper-worm-targeting-ukraine/;
    reference:md5,517d2b385b846d6ea13b75b8adceb061;
    classtype:trojan-activity;
    sid:2035423; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_03_10, deployment Internal, deployment Datacenter, malware_family HermeticWizard, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_10;
)

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