An app was removed from a blocked list in Google Workspace

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

2 Days

Required Data

  • Requires:
    • Google Workspace Audit Logs

Detection Modules

Identity Threat Module

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Modify Authentication Process (T1556)

Severity

Informational

Description

An identity removed an app from Google Workspace blocked OAuth or third-party apps list.

Attacker's Goals

Malicious OAuth Apps can be used to request elevated permissions or to impersonate another user.

Investigative actions

  • Check if the identity intended to perform this action, or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
  • Check if the app that was removed from the trusted apps list looks suspicious.
  • Follow further actions done by the account.

Variations

An app was removed from a blocked list in Google Workspace by a suspicious identity

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Modify Authentication Process (T1556)

Severity

Low

Description

An identity removed an app from Google Workspace blocked OAuth or third-party apps list.

Attacker's Goals

Malicious OAuth Apps can be used to request elevated permissions or to impersonate another user.

Investigative actions

  • Check if the identity intended to perform this action, or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
  • Check if the app that was removed from the trusted apps list looks suspicious.
  • Follow further actions done by the account.


An app was removed from a blocked list in Google Workspace by a non Google Workspace administrative user

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Modify Authentication Process (T1556)

Severity

Low

Description

An identity removed an app from Google Workspace blocked OAuth or third-party apps list.

Attacker's Goals

Malicious OAuth Apps can be used to request elevated permissions or to impersonate another user.

Investigative actions

  • Check if the identity intended to perform this action, or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
  • Check if the app that was removed from the trusted apps list looks suspicious.
  • Follow further actions done by the account.


An app was removed from a blocked list in Google Workspace from an unusual ASN

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Modify Authentication Process (T1556)

Severity

Low

Description

An identity removed an app from Google Workspace blocked OAuth or third-party apps list.

Attacker's Goals

Malicious OAuth Apps can be used to request elevated permissions or to impersonate another user.

Investigative actions

  • Check if the identity intended to perform this action, or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
  • Check if the app that was removed from the trusted apps list looks suspicious.
  • Follow further actions done by the account.