ET MALWARE HermeticWizard - WMI Spreader - Remote Process Creation M1

Query · suricata

flow:established,to_server;
content:"|05 00 00|";
content:"W|00|i|00|n|00|3|00|2|00|_|00|P|00|r|00|o|00|c|00|e|00|s|00|s|00|"; distance:0;
content:"C|00|r|00|e|00|a|00|t|00|e|00|"; within:200;
content:"regsvr32|2e|exe|20 2f|s|20 2f|i|20|"; distance:0; fast_pattern;
content:"|5c|c"; within:500;
pcre:"/^[A-F0-9]{12}/R";
content:"|2e|dll|00|"; within:5;
Raw source ET MALWARE HermeticWizard - WMI Spreader - Remote Process Creation 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 tcp any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET MALWARE HermeticWizard - WMI Spreader - Remote Process Creation M1";
    flow:established,to_server;
    content:"|05 00 00|";
    content:"W|00|i|00|n|00|3|00|2|00|_|00|P|00|r|00|o|00|c|00|e|00|s|00|s|00|"; distance:0;
    content:"C|00|r|00|e|00|a|00|t|00|e|00|"; within:200;
    content:"regsvr32|2e|exe|20 2f|s|20 2f|i|20|"; distance:0; fast_pattern;
    content:"|5c|c"; within:500;
    pcre:"/^[A-F0-9]{12}/R";
    content:"|2e|dll|00|"; within:5;
    reference:url,www.welivesecurity.com/2022/03/01/isaacwiper-hermeticwizard-wiper-worm-targeting-ukraine/;
    reference:md5,517d2b385b846d6ea13b75b8adceb061;
    classtype:trojan-activity;
    sid:2035418; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_03_09, deployment Internal, deployment Datacenter, malware_family HermeticWizard, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_15;
)

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