Granting Of Permissions To An Account

Severity mediumCloud & SaaSSingle eventexperimentalsigma.azure_activity_logs_azure_granting_permission_detection · v1.0.0

What it detects

Identifies IPs from which users grant access to other users on azure resources and alerts when a previously unseen source IP address is used.

MITRE ATT&CK mapping

  • T1098.003Account Manipulation: Additional Cloud Roles· Persistence

False positives and triage

Valid change

The rule

Declarative YAML read by the detection engine — data, never executed. Confidence 60%. Source: rules/sigma/sigma.azure_activity_logs_azure_granting_permission_detection.yaml, licensed under the Detection Rule License 1.1.

id: sigma.azure_activity_logs_azure_granting_permission_detection
version: 1.0.0
status: experimental
severity: medium
confidence: 0.6
platforms:
- application
mitre_techniques:
- T1098.003
description: Identifies IPs from which users grant access to other users on azure resources and alerts when a previously unseen source IP address is used.
match:
  event_category: system
  raw_message_contains_any:
  - Microsoft.Authorization/roleAssignments/write
false_positive_guidance: Valid change

Converted from the SigmaHQ rule “Granting Of Permissions To An Account” by sawwinnnaung, 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.

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