MediumSigmaHQ Muhammad Faisal (@faisalusuf)

Bitbucket User Login Failure Via SSH

Detects SSH user login access failures. Please note that this rule can be noisy and is recommended to use with correlation based on "author.name" field.

Detection logic

Detection requirements

Platform: Containers ESXi IaaS Identity Provider Linux macOS Network Devices Office Suite SaaS Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: bitbucket
Log source service: audit

Known benign triggers

Legitimate user wrong password attempts.

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
confluence.atlassian.com/bitbucketserver/enable-ssh-access-to-git-repositories-776640358.html	Unclassified	2
confluence.atlassian.com/bitbucketserver/view-and-configure-the-audit-log-776640417.html	Unclassified	2

Detection rules

Bitbucket User Login Failure Via SSH

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules