What it does. Audit Azure Blob and ADLS storage accounts for public access exposure, weak Part of mukul975/Anthropic-Cybersecurity-Skills (817 security skills) (mukul975/Anthropic-Cybersecurity-Skills).

Install

• npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill detecting-azure-storage-account-misconfigurations, or copy the skill folder into ~/.claude/skills/detecting-azure-storage-account-misconfigurations/.
• Raw file: curl -sL https://raw.githubusercontent.com/mukul975/Anthropic-Cybersecurity-Skills/HEAD/skills/detecting-azure-storage-account-misconfigurations/SKILL.md

SKILL.md (verbatim)

name: detecting-azure-storage-account-misconfigurations
description: Audit Azure Blob and ADLS storage accounts for public access exposure, weak
  or long-lived SAS tokens, missing encryption at rest, disabled HTTPS-only traffic,
  and outdated TLS versions, using the azure-mgmt-storage Python SDK to generate a
  risk-scored report. Use when assessing an Azure subscription's storage accounts for
  misconfiguration, building cloud security posture checks, or investigating a suspected
  data exposure via public blob access.
domain: cybersecurity
subdomain: cloud-security
tags:
- Azure
- storage-accounts
- blob-storage
- ADLS
- SAS-tokens
- encryption
- public-access
- cloud-misconfiguration
- azure-mgmt-storage
version: '1.0'
author: mahipal
license: Apache-2.0
nist_ai_rmf:
- MEASURE-2.7
- MAP-5.1
- MANAGE-2.4
atlas_techniques:
- AML.T0070
- AML.T0066
- AML.T0082
nist_csf:
- PR.IR-01
- ID.AM-08
- GV.SC-06
- DE.CM-01
mitre_attack:
- T1530
- T1078.004
- T1619
- T1580

Detecting Azure Storage Account Misconfigurations

Overview

Azure Storage accounts are a frequent target for attackers due to misconfigured public access, long-lived SAS tokens, missing encryption, and outdated TLS versions. This skill uses the azure-mgmt-storage Python SDK with StorageManagementClient to enumerate all storage accounts in a subscription, inspect their security properties, list blob containers for public access settings, and generate a risk-scored audit report identifying critical misconfigurations.

When to Use

• When investigating security incidents that require detecting azure storage account misconfigurations
• 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

• Python 3.9+ with azure-mgmt-storage, azure-identity
• Azure service principal with Reader role on target subscription
• Environment variables: AZURE_CLIENT_ID, AZURE_TENANT_ID, AZURE_CLIENT_SECRET, AZURE_SUBSCRIPTION_ID

Key Detection Areas

1. Public blob access — allow_blob_public_access enabled on storage account or individual containers set to Blob/Container access level
2. HTTPS enforcement — enable_https_traffic_only disabled, allowing unencrypted HTTP traffic
3. Minimum TLS version — accounts accepting TLS 1.0 or TLS 1.1 instead of minimum TLS 1.2
4. Encryption at rest — storage service encryption not enabled or missing customer-managed keys
5. Network rules — default action set to Allow instead of Deny, exposing storage to all networks
6. SAS token risks — account-level SAS with overly broad permissions or excessive lifetime

Output

JSON report with per-account findings, severity ratings (Critical/High/Medium/Low), and remediation recommendations aligned with CIS Azure Benchmark controls.

Other files in this skill

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

references/api-reference.md (verbatim)

Azure Storage Account Misconfiguration Detection Reference

SDK Installation

pip install azure-mgmt-storage azure-identity

StorageManagementClient Initialization

from azure.identity import DefaultAzureCredential
from azure.mgmt.storage import StorageManagementClient

client = StorageManagementClient(
    credential=DefaultAzureCredential(),
    subscription_id="<subscription-id>"
)

Key Operations

List All Storage Accounts

for account in client.storage_accounts.list():
    print(account.name, account.location, account.kind)

Get Storage Account Properties

account = client.storage_accounts.get_properties(
    resource_group_name="myResourceGroup",
    account_name="mystorageaccount"
)

List Blob Containers

containers = client.blob_containers.list(
    resource_group_name="myResourceGroup",
    account_name="mystorageaccount"
)
for container in containers:
    print(container.name, container.public_access)

Security Properties to Audit

Container Public Access Levels

Azure CLI Equivalents

# List storage accounts
az storage account list --query "[].{name:name, publicAccess:allowBlobPublicAccess, httpsOnly:enableHttpsTrafficOnly, minTls:minimumTlsVersion}" -o table

# Check specific account
az storage account show -n mystorageaccount -g myResourceGroup

# List containers with access level
az storage container list --account-name mystorageaccount --query "[].{name:name, publicAccess:properties.publicAccess}" -o table

# Disable public blob access
az storage account update -n mystorageaccount -g myResourceGroup --allow-blob-public-access false

# Set minimum TLS
az storage account update -n mystorageaccount -g myResourceGroup --min-tls-version TLS1_2

CIS Azure Benchmark Controls

Environment Variables

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