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analyzing-azure-activity-logs-for-threats

analyzing-azure-activity-logs-for-threats

github.com/mukul975Security35.2k473 installsUpdated 8w ago
Repository

About analyzing-azure-activity-logs-for-threats

A threat-analysis skill for Azure Activity Logs aimed at SOC analysts. It describes running KQL queries against Azure Log Analytics to detect role changes, resource modifications, unusual key access, and policy updates.

Key features

  1. 01Query Azure Activity Logs with KQL
  2. 02Detect role assignment changes
  3. 03Inspect resource group and subscription modifications
  4. 04Find Key Vault access from new IPs
  5. 05Monitor network security group and conditional access changes

Use cases

  1. 01Investigate security incidents in Azure activity logs
  2. 02Build threat detection rules or hunting queries
  3. 03Check for privilege escalation and admin operations
  4. 04Validate monitoring coverage for related attack techniques

Install

Copy the command and run it in a terminal.

$npx skills add https://github.com/mukul975/anthropic-cybersecurity-skills --skill analyzing-azure-activity-logs-for-threats

After installing, type/analyzing-azure-activity-logs-for-threatsin Claude Code to confirm it loaded.

Bundled files

References and scripts installed along with SKILL.md.

LICENSE
references/
api-reference.md
scripts/
agent.py

Details

From the project README

Analyzing Azure Activity Logs for Threats

When to Use

  • When investigating security incidents that require analyzing azure activity logs for threats
  • When building detection rules or threat hunting queries for this domain
  • When SOC analysts need structured procedures for this analysis type
  • When validating security monitoring coverage for related attack techniques

Prerequisites

  • Familiarity with security operations concepts and tools
  • Access to a test or lab environment for safe execution
  • Python 3.8+ with required dependencies installed
  • Appropriate authorization for any testing activities

Instructions

Use azure-monitor-query to execute KQL queries against Azure Log Analytics workspaces, detecting suspicious admin operations and sign-in anomalies.

from azure.identity import DefaultAzureCredential
from azure.monitor.query import LogsQueryClient
from datetime import timedelta

credential = DefaultAzureCredential()
client = LogsQueryClient(credential)

response = client.query_workspace(
    workspace_id="WORKSPACE_ID",
    query="AzureActivity | where OperationNameValue has 'MICROSOFT.AUTHORIZATION/ROLEASSIGNMENTS/WRITE' | take 10",
    timespan=timedelta(hours=24),
)

Key detection queries:

  1. Role assignment changes (privilege escalation)
  2. Resource group and subscription modifications
  3. Key vault secret access from new IPs
  4. Network security group rule changes
  5. Conditional access policy modifications

Examples

# Detect new Global Admin role assignments
query = '''
AuditLogs
| where OperationName == "Add member to role"
| where TargetResources[0].modifiedProperties[0].newValue has "Global Administrator"
'''

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