Rule History

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;)