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GitHub OAuth App Access Restrictions Disabled

Detects when OAuth App access restrictions are disabled for a GitHub organization. With restrictions enabled, only owner-approved OAuth Apps can access organization data; once disabled, any OAuth App that a member…

Description

Detects when OAuth App access restrictions are disabled for a GitHub organization. With restrictions enabled, only owner-approved OAuth Apps can access organization data; once disabled, any OAuth App that a member authorizes gains access without owner review. Following an account takeover, an adversary may disable restrictions and then authorize a malicious or attacker-controlled OAuth App to establish token-based persistence and exfiltrate repository data, making this a high-impact change to the organization's third-party access controls.

Detection logic

Its licence does not clear it for publishing here

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Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Known benign triggers

  • Briefly disabling restrictions to onboard an approved vendor app. Re-enable immediately and approve that app explicitly instead when possible.

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