IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

« WMI Incoming Lateral Movement Web Application Suspicious Activity: Unauthorized Method »

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Web Application Suspicious Activity: POST Request Declined

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Web Application Suspicious Activity: POST Request Declined

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A POST request to a web application returned a 403 response, which indicates the web application declined to process the request because the action requested was not allowed.

Rule type: query

Rule indices:

apm--transaction
traces-apm*

Severity: medium

Risk score: 47

Runs every: 5 minutes

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

Maximum alerts per execution: 100

References:

https://en.wikipedia.org/wiki/HTTP_403

Tags:

Elastic
APM

Version: 100 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 8.5.0

Rule authors: Elastic

Rule license: Elastic License v2

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:403 and http.request.method:post

Rule version history

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Version 100 (8.5.0 release)

Formatting only

Version 9 (8.4.0 release)

Formatting only

Version 8 (7.15.0 release)

Formatting only

Version 7 (7.14.0 release)

Updated query, changed from:

http.response.status_code:403 and http.request.method:post

Version 6 (7.12.0 release)

Formatting only

Version 5 (7.11.2 release)

Formatting only

Version 4 (7.10.0 release)

Formatting only

Version 3 (7.9.0 release)

Formatting only

Version 2 (7.7.0 release)

Formatting only

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