ET MALWARE Observed DNS Query to LoJax Domain (jflynci .com)
Sourceet/open
CreatedMarch 10, 2026
UpdatedMarch 10, 2026
Classificationtrojan-activity
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to LoJax Domain (jflynci .com)"; dns.query; dotprefix; content:".jflynci.com"; nocase; endswith; reference:url,web-assets.esetstatic.com/wls/2018/09/ESET-LoJax.pdf; classtype:trojan-activity; sid:2068093; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_03_10, deployment Perimeter, malware_family LoJax, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_03_10;)
References
Metadata
attack targetClient_Endpoint
created at2026_03_10
deploymentPerimeter
malware familyLoJax
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_03_10
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