Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
53 detections
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A BTP identity provider trust configuration was created, modified, or deleted
Detects modifications to domain federation settings in Microsoft Entra ID (formerly Azure AD) where a domain is converted from a managed authentication state to a federated authentication state. This type of configuration change is often used by adversaries to establish persistence or facilitate domain-level identity deception.
Detects modifications to domain federation settings in Microsoft Entra ID (formerly Azure AD) where a domain is converted from a managed authentication state to a federated authentication state. This type of configuration change is often used by adversaries to establish persistence or facilitate domain-level identity deception.
Detects unauthorized changes to the token-signing certificate for federated domains in Microsoft Entra ID (formerly Azure AD). This behavior is often associated with the Golden SAML attack technique, where an adversary modifies federation settings to forge authentication tokens. The rule filters for events occurring outside of standard business hours and alerts when the modification is not performed by known automation service accounts.
Detects modifications to federated domain authentication, identity provider trusts, or federation settings in cloud environments (e.g., Entra ID, Okta). Unauthorized changes to these configurations can be used to establish persistence, enable SAML token forgery, or bypass Multi-Factor Authentication (MFA).
Detects modifications to Microsoft Entra ID (formerly Azure AD) applications, service principals, or Application Proxy configurations that could be indicative of an adversary establishing persistent external access. This includes updates to external URLs, SSO settings, and authentication types, which are frequently used to facilitate persistence via malicious cloud application configurations.
Detects unauthorized changes to the token-signing certificate for federated domains in Microsoft Entra ID (formerly Azure AD). This behavior is often associated with the Golden SAML attack technique, where an adversary modifies federation settings to forge authentication tokens. The rule filters for events occurring outside of standard business hours and alerts when the modification is not performed by known automation service accounts.
Detects unauthorized modifications to federation trust configurations, such as IssuerUri, federationMetadataUrl, or signing certificate thumbprints, on a federated domain. Adversaries may manipulate these settings to establish credential-independent persistence or to forge SAML tokens (Golden SAML) by repointing the federation metadata to attacker-controlled infrastructure.
Detects modifications to federated domain authentication, identity provider trusts, or federation settings in cloud environments (e.g., Entra ID, Okta). Unauthorized changes to these configurations can be used to establish persistence, enable SAML token forgery, or bypass Multi-Factor Authentication (MFA).
This rule monitors for suspicious administrative modifications to identity federation settings within Entra ID (Azure AD) and potential unauthorized alterations to on-premises Active Directory objects related to the 'AZUREADSSOACC' account. These activities are indicative of persistence mechanisms or credential manipulation in hybrid identity environments, potentially used to subvert authentication processes.
This rule monitors for ADFS-related security events that may indicate credential theft or authentication bypass attempts. It flags anomalous federated sign-in events (e.g., MFA bypass, unfamiliar location), unauthorized access to the ADFS DKM container in Active Directory, and suspicious attempts to export ADFS token-signing certificates.
Detects the execution of AADInternals PowerShell toolkit commands. AADInternals is a known framework used for administration, enumeration, and exploitation of Azure Active Directory and Microsoft Entra ID, including the creation of backdoors and manipulation of federation settings.
Detects successful password spraying attempts against Entra ID using the Resource Owner Password Credentials (ROPC) flow where multi-factor authentication (MFA) is bypassed. This rule specifically looks for multiple failed ROPC sign-in attempts from an IP address followed by a successful ROPC sign-in from the same IP address, where the authentication method reference (amr) claim does not include 'mfa'. This pattern is consistent with potential abuse of Conditional Access policy hidden exclusions, as described in CVE-2025-0309.
This rule detects attempts to modify or delete Conditional Access Policies within Azure Active Directory (now Microsoft Entra ID) by monitoring network events targeting 'graph.microsoft.com' with 'conditionalAccessPolicies' in the AdditionalFields, specifically looking for 'PATCH' or 'DELETE' operations. Such activities could indicate an adversary attempting to weaken security controls or maintain persistence.
This rule detects attempts to modify hybrid identity federation settings by monitoring HTTP POST requests to graph.microsoft.com with a URI containing 'federationConfiguration'. This activity could indicate an attacker attempting to establish persistence or gain unauthorized access by manipulating identity federation.
This rule detects suspicious activity involving Azure AD device registration followed by a sign-in from the same user and IP address, particularly when the user agent strings are indicative of non-standard clients (e.g., 'node', 'axios', 'undici', 'node-fetch'). This pattern can indicate an adversary attempting to establish persistence or bypass multi-factor authentication by registering a new device and then immediately using it for access.
This rule detects unusual modifications to Azure Arc machine identities or Role-Based Access Control (RBAC) assignments following local activity. It specifically looks for 'Write', 'Update', or 'Assign' operations on resources within the 'Microsoft.HybridCompute' resource provider where the properties include 'identity' or 'roleAssignment'. This could indicate an attempt to establish persistence or escalate privileges on hybrid machines.
Detects modifications to Azure AD federation settings or domain authentication methods. Such changes can be indicative of a Golden SAML attack, where an attacker establishes a new federation trust to forge SAML tokens and gain unauthorized access.
This rule detects network connection events and Entra ID sign-in events originating from Iran. It aggregates these events hourly to identify potential suspicious activity from a geo-restricted or high-risk country.
This rule detects attempts to abuse Azure Browser Single Sign-On (SSO) by monitoring for the loading of the 'MicrosoftAccountTokenProvider.dll' library. This DLL is involved in requesting OAuth 2.0 refresh tokens for Azure AD-authenticated Windows users on Azure AD-joined machines, enabling SSO in browsers. An attacker could leverage this to authenticate to Azure AD as the compromised user within a browser. The rule filters out legitimate loads by common processes like BackgroundTaskHost.exe, Visual Studio (devenv.exe), Internet Explorer (iexplore.exe), Microsoft Edge (msedge.exe, msedgewebview2.exe), and OneDrive (OneDrive.exe) to reduce false positives.
Detects changes to the AWS Identity Center (formerly AWS SSO) identity provider configuration. Such changes, including associating, disassociating, enabling, or disabling an external identity provider, could be used by an attacker to establish persistent access or escalate privileges through user impersonation.
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