Detections

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

1,224 detections

This query visualises total emails with Spam detections summarizing the data by email sender IP address (SenderIPv4, SenderIPv6).
Azure Sentinel@AzureSentinel
avatar
AzureSentinel
1 year ago
61283
Detecting LOLDrivers using www.loldrivers.io and MDE telemetry.

This rule was created by Mehmet Ergene from BluRaven Academy and added to Detections.ai as it was missing from the repository.
avatar
Rory Wagner@Sleuthifer
avatar
Detections.ai Community
1 year ago
247180
Detects suspicious registry modifications for IFEO entries which can be used by attackers for persistence.

This is based off of testing with Atomic Red Team tests - https://www.atomicredteam.io/atomic-red-team/atomics/T1546.012
avatar
Rory Wagner@Sleuthifer
avatar
Detections.ai Community
1 year ago
2187
This KQL detection is designed for use in Microsoft Defender for Endpoint Advanced Hunting or Microsoft Sentinel, depending on table availability.

It focuses on identifying two common persistence techniques used by threat actors:

COM hijacking via user-specific registry hives (InprocServer32 and LocalServer32), particularly when leveraged by .NET or PowerShell-based malware; and uncommon registry-based persistence through suspicious keys such as DelegateExecute, TreatAs, and ScriptletURL.

The KQL focusses on user-specific registry hives as they don't require elevated privileges to modify and is why we also ignore "nt authority" activity as this detection is focused on low hanging fruit that would be easily accessible to a threat actor initially for persistence without privilege escalation.
avatar
Rory Wagner@Sleuthifer
avatar
Detections.ai Community
1 year ago
6560
KQL Query from file: Potential MFASweep (tool) activity has been detected.
avatar
Boaz B@82BBB00
avatar
Detections.ai Community
1 year ago
94135
Detects when a Global Administrator elevates access to all subscriptions and management groups in a tenant. When a Global Administrator elevates access they are assigned the User Access Administrator role at root scope. This Sentinel analytics rule monitors who has elevated access in your tenant so that admins can take appropriate action.
avatar
Andre Zeemering@Azeemering
avatar
Detections.ai Community
1 year ago
84113
This detection identifies when Microsoft Copilot Studio agents are created in your organization's tenant. This activity is significant as the default behavior in Copilot agent creation is to configure a new service principal with cloud app administrator role.

Copilot agents can be found in the Microsoft Admin Portal https://admin.microsoft.com/Adminportal/Home#/copilot/agents
avatar
Alex ‎@ramz
avatar
Detections.ai Community
1 year ago
161191
This KQL detection rule identifies suspicious login attempts in the SigninLogs dataset where a sign-in was blocked because it originated from an IP address flagged for malicious activity.

The rule specifically focuses on cases where valid credentials or token claims were used during the authentication process.
avatar
Andre Zeemering@Azeemering
avatar
Detections.ai Community
1 year ago
15389
DEVMAN Ransomware Detection
avatar
alexandre paquette@kramtoux
avatar
Detections.ai Community
1 year ago
7259
KQL Query from file: Kerberos Roasting Detection
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
152391
KQL Query from file: GraphRunner Recon Detection & Response
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
61354
KQL Query from file: Azure Cloud Security Monitoring
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
141236
KQL Query from file: Sentinel KQL Detection for ShadowHound
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
60224
KQL Query from file: Monitoring Cross-Tenant Abuse by Threat Actors
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
60172
This query visualises total emails with Phish detections over time summarizing the data daily by Delivery Location.
Azure Sentinel@AzureSentinel
avatar
AzureSentinel
1 year ago
1087
KQL Query from file: Sentinel - Threat Hunting DNS Tunneling
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
80161
KQL Query
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
181161
KQL Query from file: Sentinel All-In-One IP ThreatHunt
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
132159
This query visualises emails with Phish detections (Normal confidence) summarizing the data by Delivery Location.
Azure Sentinel@AzureSentinel
avatar
AzureSentinel
1 year ago
0082
KQL Query
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
80153
KQL Query
avatar
Steven Lim@KQLWizard
avatar
SlimKQL
1 year ago
51140
Page 51 of 59