Sigma rule: Rare Subscription-level Operations In Azure

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-263d8efab84e, updated 2023-10-11T00:00:00.000Z.

Rule

Title: Rare Subscription-level Operations In Azure
Status: test
Level: medium
Author: sawwinnnaung
Date: 2020-05-07
Modified: 2023-10-11
File: rules/cloud/azure/activity_logs/azure_rare_operations.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

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

Log source

product: azure
service: activitylogs

Detection

keywords:
    - Microsoft.DocumentDB/databaseAccounts/listKeys/action
    - Microsoft.Maps/accounts/listKeys/action
    - Microsoft.Media/mediaservices/listKeys/action
    - Microsoft.CognitiveServices/accounts/listKeys/action
    - Microsoft.Storage/storageAccounts/listKeys/action
    - Microsoft.Compute/snapshots/write
    - Microsoft.Network/networkSecurityGroups/write
condition: keywords

False positives (as the rule lists them)

Valid change

MITRE ATT&CK ids this rule names

T1003

References

https://github.com/Azure/Azure-Sentinel/blob/e534407884b1ec5371efc9f76ead282176c9e8bb/Detections/AzureActivity/RareOperations.yaml

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/azure/activity_logs/azure_rare_operations.yml

Sources and licences

SigmaHQ
"Rare Subscription-level Operations In Azure" by sawwinnnaung (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/azure/activity_logs/azure_rare_operations.yml.
Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License
Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Rare Subscription-level Operations In Azure",
entity page, dataset version ref-263d8efab84e, updated 2023-10-11T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/c1182e02-49a3-481c-b3de-0fadc4091488 (accessed 2026-11-03).
Underlying source: SigmaHQ rule c1182e02-49a3-481c-b3de-0fadc4091488, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.