ET USER_AGENTS Suspicious Custom Firefox UA Observed (Firefox...)
Sourceet/open
CreatedJuly 4, 2019
UpdatedSeptember 17, 2020
Classificationbad-unknown
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious Custom Firefox UA Observed (Firefox...)"; flow:established,to_server; http.user_agent; content:"Firefox..."; depth:10; fast_pattern; endswith; classtype:bad-unknown; sid:2027686; rev:3; metadata:created_at 2019_07_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17;)
Metadata
created at2019_07_04
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityMinor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2020_09_17
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