Web Application Suspicious Activity: Unauthorized Method

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Web Application Suspicious Activity: Unauthorized Method

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A request to web application returned a 405 response which indicates the web application declined to process the request because the HTTP method is not allowed for the resource.

Rule type: query

Rule indices:

  • apm--transaction

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100

References:

Tags:

  • APM
  • Elastic

Version: 2 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.7.0

Potential false positives

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Security scans and tests may result in these errors. Misconfigured or buggy applications may produce large numbers of these errors. If the source is unexpected, the user unauthorized, or the request unusual, these may indicate suspicious or malicious activity.

Rule query

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http.response.status_code:405

Rule version history

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Version 2 (7.7.0 release)
  • Formatting only.