ET MALWARE HermeticWizard - SMB Spreader - Remote Process Creation

Query · suricata

flow:established,to_server;
content:"|05 00 00|";
content:"cmd|20 2f|c|20|start|20|regsvr32|20 2f|s|20 2f|i"; distance:0; fast_pattern;
content:"|5c|c"; within:8;
pcre:"/^[A-F0-9]{12}/R";
content:"|2e|dat|20 26 20|start|20|cmd|20 2f|c|20 22|ping|20|localhost|20 2d|n|20|7|20 26 20|wevtutil|20|cl|20|System|22|"; within:62;
Raw source ET MALWARE HermeticWizard - SMB Spreader - Remote Process Creation · 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-pkt any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET MALWARE HermeticWizard - SMB Spreader - Remote Process Creation";
    flow:established,to_server;
    content:"|05 00 00|";
    content:"cmd|20 2f|c|20|start|20|regsvr32|20 2f|s|20 2f|i"; distance:0; fast_pattern;
    content:"|5c|c"; within:8;
    pcre:"/^[A-F0-9]{12}/R";
    content:"|2e|dat|20 26 20|start|20|cmd|20 2f|c|20 22|ping|20|localhost|20 2d|n|20|7|20 26 20|wevtutil|20|cl|20|System|22|"; within:62;
    reference:url,www.welivesecurity.com/2022/03/01/isaacwiper-hermeticwizard-wiper-worm-targeting-ukraine/;
    reference:md5,517d2b385b846d6ea13b75b8adceb061;
    classtype:trojan-activity;
    sid:2035427; 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 High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_10;
)

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