Query: Sigma rule for Detects the deletion of an AWS SAML provider, potentially indicating malicious intent to disrupt administrative or secur
Matching passage: Sigma rule: Detects the deletion of an AWS SAML provider, potentially indicating malicious intent to disrupt administrative or secur. Logsource: aws / cloudtrail. Rule: title: AWS SAML Provider Deletion Activity id: ccd6a6c8-bb4e-4a91-9d2a-07e632819374 status: experimental description: 'Detects the deletion of an AWS SAML provider, potentially indicating malicious intent to disrupt administrative or security team access. An attacker can remove the SAML provider for the information security team or a team of system administrators, to make it difficult for them to work and investigate at the time of the attack and after it. ' references: - https://docs.aws.amazon.com/IAM/latest/APIReference/API_DeleteSAMLProvider.html author: Ivan Saakov date: 2024-12-19 tags: - attack.stealth - attack.t1078.004 - attack.privilege-escalation - attack.initial-access - attack.persistence - attack.t1531 - attack.impact logsource: product: aws service: cloudtrail detection: selection: eventSource: iam.amazonaws.com eventName: DeleteSAMLProvider status: success condition: selection falsepositives: - Automated processes using tools like Terraform may trigger this alert. - Legitimate administrative actions by authorized system administrators could cause this alert. Verify the user identity, user agent, and hostname to ensure they are expected. - Deletions by unfamiliar users should be investigated. If the behavior is known and expected, it can be exempted from the rule. level: medium
Near-miss passage: Sigma rule: Detects when an organization member or an outside collaborator is added to or removed from a project board or has their. Logsource: github / audit. Rule: title: Github Outside Collaborator Detected id: eaa9ac35-1730-441f-9587-25767bde99d7 status: test description: 'Detects when an organization member or an outside collaborator is added to or removed from a project board or has their permission level changed or when an owner removes an outside collaborator from an organization or when two-factor authentication is required in an organization and an outside collaborator does not use 2FA or disables 2FA. ' author: Muhammad Faisal (@faisalusuf) date: 2023-01-20 references: - https://docs.github.com/en/organizations/keeping-your-organization-secure/managing-security-settings-for-your-organization/reviewing-the-audit-log-for-your-organization#audit-log-actions - https://docs.github.com/en/organizations/keeping-your-organization-secure/managing-two-factor-authentication-for-your-organization/requiring-two-factor-authentication-in-your-organization tags: - attack.privilege-escalation - attack.persistence - attack.collection - attack.t1098.001 - attack.t1098.003 - attack.t1213.003 logsource: product: github service: audit definition: 'Requirements: The audit log streaming feature must be enabled to be able to receive such logs. You can enable following the documentation here: https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-activity-in-your-enterprise/reviewing-audit-logs-for-your-enterprise/streaming-the-audit-log-for-your-enterprise#setting-up-audit-log-streaming' detection: selection: action: - org.remove_outside_collaborator - project.update_user_permission condition: selection falsepositives: - Validate the actor if permitted to access the repo. - Validate the Multifactor Authentication changes. level: medium