Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

3,004 detections

Detects when Okta identifies new activity in the Admin Console.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
002
Detects the addition of a new module to an IIS server.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
002
Detects when an access level is changed for a Google workspace application.
An access level is part of BeyondCorp Enterprise which is Google Workspace's way of enforcing Zero Trust model.
An adversary would be able to remove access levels to gain easier access to Google workspace resources.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
002
Detects when multi-factor authentication (MFA) is disabled.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
102
Detects when an a role privilege is deleted in Google Workspace.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
1102
Detects when an Google Workspace user is granted admin privileges.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
702
Detects Bitbucket global SSH access configuration changes.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
301
Detects when a secret scanning allowlist rule is added for projects.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
001
Detects when a user creates action secret for the organization, environment, codespaces or repository.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
001
Detects when a PIM elevation is approved or denied. Outside of normal operations should be investigated.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
001
Show when private keys are being exported from the device, or when new certificates are installed
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
001
Turn off logging locally or remote
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
001
Detects changes to of the IIS server configuration in order to disable/remove the ETW logging/processing option.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
001
Detects the creation or removal of a computer. Can be used to detect attacks such as DCShadow via the creation of a new SPN.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
001
Detects when an API access service account is granted domain authority.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
1601
Detects the creation or modification of Exchange Online inbox rules, transport rules, or mailbox settings where the rule name consists exclusively of special characters. This pattern can be indicative of malicious activity, such as an attacker attempting to hide a forwarding rule or other automated action by using an obscure name.
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Tim Peck@timpeck
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Detections.ai Community
7 months ago
463807
Detects when a GitHub repository is archived or unarchived, which may indicate unauthorized changes to repository status.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
A self-hosted runner is a system that you deploy and manage to execute jobs from GitHub Actions on GitHub.com.
This rule detects changes to self-hosted runners configurations in the environment. The self-hosted runner configuration changes once detected,
it should be validated from GitHub UI because the log entry may not provide full context.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects when changes are made to the SSH certificate configuration of the organization.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects when a configuration change is made to an applications AppID URI.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects when changes are made to PIM roles
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
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