Analytics Alerts

Browse the Cortex analytics alert reference.

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2 alerts match the current filters. tactic: TA0002 ✕ technique: T1528 ✕

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  • A Command Line Interface (CLI) command was executed from an AWS serverless compute service Low Cloud 2 variations

    AWS serverless compute service token was used to execute a Command Line Interface (CLI) command. This may indicate token theft due to the nature of serverless compute.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    5 Days
    ATT&CK tactics: Initial Access (TA0001) Credential Access (TA0006) Execution (TA0002)
    ATT&CK techniques: Valid Accounts: Cloud Accounts (T1078.004) Steal Application Access Token (T1528) Unsecured Credentials (T1552) Command and Scripting Interpreter: Cloud API (T1059.009)
    Required data: AWS Audit Log
    Detector tags: Cloud Serverless Function Credentials Theft Analytics
    Attacker's goals: Exfiltrate serverless token and abuse it.
    Investigative actions: Verify whether the serverless-attached identity's credentials were intentionally used in CLI. Check what CLI commands were executed using the serverless attached token. Check if the suspected serverless function is compromised.

    Variations

    A Command Line Interface (AWS-CLI) command was executed from an AWS serverless compute service

    Informational overridden

    AWS serverless compute service token was used to execute a Command Line Interface (CLI) command. This may indicate token theft due to the nature of serverless compute. overridden

    Unusual Command Line Interface (CLI) command was executed from an AWS serverless compute service

    Low overridden

    AWS serverless compute service token was used to execute a Command Line Interface (CLI) command. This may indicate token theft due to the nature of serverless compute. overridden

  • Possible ConsentFix - OAuth Token Theft Detected Informational Identity Threat Module 1 variation

    Detection of potential OAuth token theft via a forced 'localhost' redirect and first-party app abuse.This indicates an attacker has likely bypassed MFA to hijack a user's cloud session.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    1 Hour
    Deduplication:
    1 Day
    ATT&CK tactics: Initial Access (TA0001) Credential Access (TA0006) Execution (TA0002)
    ATT&CK techniques: Phishing (T1566) User Execution: Malicious Link (T1204.001) Steal Application Access Token (T1528)
    Required data: AzureAD
    Attacker's goals: Bypass identity trust controls to gain persistent unauthorized access to cloud resources.
    Investigative actions: Check for successful logins to Azure CLI or PowerShell from anomalous IPs. Review sign-in logs for User-Agents associated with CLI tools or scripts. Revoke all active OAuth refresh tokens for the user immediately.

    Variations

    OAuth Token Theft - Potential Session Hijacking Detected from new ASN

    Low overridden

    Detection of potential OAuth token theft via a forced 'localhost' redirect and first-party app abuse.This indicates an attacker has likely bypassed MFA to hijack a user's cloud session. overridden