ET MALWARE Observed DNS Query to Comm100 Trojan Domain (microsoftfileapis .com)
Sourceet/open
CreatedOctober 4, 2022
UpdatedNovember 17, 2023
Classificationtrojan-activity
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Comm100 Trojan Domain (microsoftfileapis .com)"; dns.query; dotprefix; content:".microsoftfileapis.com"; nocase; endswith; reference:url,www.crowdstrike.com/blog/new-supply-chain-attack-leverages-comm100-chat-installer/; classtype:trojan-activity; sid:2039087; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_10_04, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_17, reviewed_at 2023_11_17;)
Metadata
attack targetClient_Endpoint
created at2022_10_04
deploymentPerimeter
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_11_17
reviewed at2023_11_17
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