Bulk Deletion Changes To Privileged Account Permissions
What it detects
Detects when a user is removed from a privileged role. Bulk changes should be investigated.
MITRE ATT&CK mapping
- T1098Account Manipulation· Persistence
False positives and triage
Legtimate administrator actions of removing members from a role
The rule
Declarative YAML read by the detection engine — data, never executed. Confidence 70%. Source: rules/sigma/sigma.azure_audit_logs_azure_priviledged_role_assignment_bulk_change.yaml, licensed under the Detection Rule License 1.1.
id: sigma.azure_audit_logs_azure_priviledged_role_assignment_bulk_change
version: 1.0.0
status: experimental
severity: high
confidence: 0.7
platforms:
- application
mitre_techniques:
- T1098
description: Detects when a user is removed from a privileged role. Bulk changes should be investigated.
match:
event_category: account
raw_message_any:
- Remove eligible member (permanent)
- Remove eligible member (eligible)
false_positive_guidance: Legtimate administrator actions of removing members from a role
Converted from the SigmaHQ rule “Bulk Deletion Changes To Privileged Account Permissions” by Mark Morowczynski '@markmorow', Yochana Henderson, '@Yochana-H', distributed under the Detection Rule License 1.1. Original rule.
Related detections
Run this rule on your own logs — offline
KIROSEC runs this rule and the rest of the library over Windows, Linux, macOS and cloud audit logs on the analyst's own machine. Every alert links to the events that raised it, and nothing leaves the device.