SlackAudit - Unknown User Agent

Detects Slack workspace activity from unknown user agents by comparing recent UserAgentOriginal values against a 14d baseline of known user agents.

Detection logic

Detection requirements

Platform: ESXi Linux macOS Network Devices Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: slackauditapi
Log source service: slackaudit_cl

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Detection rules

SlackAudit - Unknown User Agent

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules