Splunk
AWS Bedrock Delete Knowledge Base
The following analytic identifies attempts to delete AWS Bedrock Knowledge Bases, which are resources that store and manage domain-specific information for AI models. (...)
Generic stable cloud_audit - AWS CloudTrail · AWS - mediumBhavin Patel, Splunk 2025-03-25 2026-05-13 8b4e3d62-f743-11ee-9f6e-acde48001123
2 AWS EFS Fileshare Mount Modified or Deleted
Detects when a EFS Fileshare Mount is modified or deleted. (...)
Generic test cloud_audit - AWS CloudTrail · AWS - mediumAustin Songer @austinsonger 2021-08-15 2022-10-09 6a7ba45c-63d8-473e-9736-2eaabff79964
1 AWS EKS Cluster Created or Deleted
Identifies when an EKS cluster is created or deleted.
Generic test cloud_audit - AWS CloudTrail · AWS - lowAustin Songer 2021-08-16 2022-10-09 33d50d03-20ec-4b74-a74e-1e65a38af1c0
1 AWS ElastiCache Security Group Modified or Deleted
Identifies when an ElastiCache security group has been modified or deleted.
Generic test cloud_audit - AWS CloudTrail · AWS - lowAustin Songer @austinsonger 2021-07-24 2022-10-09 7c797da2-9cf2-4523-ba64-33b06339f0cc
1 AWS SAML Provider Deletion Activity
Detects the deletion of an AWS SAML provider, potentially indicating malicious intent to disrupt administrative or security team access. (...)
Generic experimental cloud_audit - AWS CloudTrail · AWS - mediumIvan Saakov 2024-12-19 — ccd6a6c8-bb4e-4a91-9d2a-07e632819374
1 Azure Container Registry Created or Deleted
Detects when a Container Registry is created or deleted.
Generic test cloud_audit - Azure Activity Logs · Azure - lowAustin Songer @austinsonger 2021-08-07 2022-08-23 93e0ef48-37c8-49ed-a02c-038aab23628e
4 Azure Device or Configuration Modified or Deleted
Identifies when a device or device configuration in azure is modified or deleted.
Generic test cloud_audit - Azure Activity Logs · Azure - mediumAustin Songer @austinsonger 2021-09-03 2022-10-09 46530378-f9db-4af9-a9e5-889c177d3881
1 Azure Kubernetes Cluster Created or Deleted
Detects when a Azure Kubernetes Cluster is created or deleted.
Generic test cloud_audit - Azure Activity Logs · Azure - lowAustin Songer @austinsonger 2021-08-07 2022-08-23 9541f321-7cba-4b43-80fc-fbd1fb922808
4 Azure Kubernetes Network Policy Change
Identifies when a Azure Kubernetes network policy is modified or deleted.
Generic test cloud_audit - Azure Activity Logs · Azure - mediumAustin Songer @austinsonger 2021-08-07 2022-08-23 08d6ac24-c927-4469-b3b7-2e422d6e3c43
4 Azure Kubernetes RoleBinding/ClusterRoleBinding Modified and Deleted
Detects the creation or patching of potential malicious RoleBinding/ClusterRoleBinding.
Generic test cloud_audit - Azure Activity Logs · Azure - mediumAustin Songer @austinsonger 2021-08-07 2022-08-23 25cb259b-bbdc-4b87-98b7-90d7c72f8743
4 Azure Kubernetes Secret or Config Object Access
Identifies when a Kubernetes account access a sensitive objects such as configmaps or secrets.
Generic test cloud_audit - Azure Activity Logs · Azure - mediumAustin Songer @austinsonger 2021-08-07 2022-08-23 7ee0b4aa-d8d4-4088-b661-20efdf41a04c
4 Azure Kubernetes Sensitive Role Access
Identifies when ClusterRoles/Roles are being modified or deleted.
Generic test cloud_audit - Azure Activity Logs · Azure - mediumAustin Songer @austinsonger 2021-08-07 2022-08-23 818fee0c-e0ec-4e45-824e-83e4817b0887
4 Azure Kubernetes Service Account Modified or Deleted
Identifies when a service account is modified or deleted.
Generic test cloud_audit - Azure Activity Logs · Azure - mediumAustin Songer @austinsonger 2021-08-07 2022-08-23 12d027c3-b48c-4d9d-8bb6-a732200034b2
4 Base64 Encoded PowerShell Command Detected
Detects usage of the "FromBase64String" function in the commandline which is used to decode a base64 (...)
Generic test process_creation windows Sysmon · WinEventLog Security - highFlorian Roth (Nextron Systems) 2020-01-29 2023-01-26 e32d4572-9826-4738-b651-95fa63747e8a
1 Splunk
CertUtil With Decode Argument
The following analytic detects the use of CertUtil.exe with the 'decode' argument, which may indicate an attempt to decode a previously encoded file, potentially containing malicious payloads. (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike - mediumMichael Haag, Splunk 2021-03-25 2026-10-02 bfe94226-8c10-11eb-a4b3-acde48001122
5 Splunk
Cisco ASA - User Account Deleted From Local Database
This analytic detects deletion of user accounts from Cisco ASA devices via CLI or ASDM. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-11-21 2026-05-13 2d4b9e7f-5c3a-4d8e-9b1f-8a6c5e2d4f7a
1 Cisco Discovery
Find information about network devices that is not stored in config files
Generic test authentication - Cisco AAA · Cisco - lowAustin Clark 2019-08-12 2023-01-04 9705a6a1-6db6-4a16-a987-15b7151e299b
1 Cisco File Deletion
See what files are being deleted from flash file systems
Generic test authentication - Cisco AAA · Cisco - mediumAustin Clark 2019-08-12 2023-01-04 71d65515-c436-43c0-841b-236b1f32c21e
- CobaltStrike Service Installations - Security
Detects known malicious service installs that appear in cases in which a Cobalt Strike beacon elevat (...)
Generic test service windows WinEventLog Security - highFlorian Roth (Nextron Systems), Wojciech Lesicki 2021-05-26 2022-11-27 d7a95147-145f-4678-b85d-d1ff4a3bb3f6
3 CobaltStrike Service Installations - System
Detects known malicious service installs that appear in cases in which a Cobalt Strike beacon elevat (...)
Generic test service windows WinEventLog System - criticalFlorian Roth (Nextron Systems), Wojciech Lesicki 2021-05-26 2022-11-27 5a105d34-05fc-401e-8553-272b45c1522d
3 Splunk
Common Ransomware Extensions
The following analytic detects modifications to files with extensions commonly associated with ransomware. (...)
Generic stable file_event windows Sysmon - mediumDavid Dorsey, Michael Haag, Nasreddine Bencherchali, Splunk, Steven Dick 2019-10-16 2026-09-22 a9e5c5db-db11-43ca-86a8-c852d1b2c0ec
1 Splunk
Common Ransomware Notes
The following analytic detects the creation of files with names commonly associated with ransomware notes. (...)
Hunting stable file_event windows Sysmon - mediumDavid Dorsey, Splunk 2019-10-16 2026-07-02 ada0f478-84a8-4641-a3f1-d82362d6bd71
- CosmicDuke Service Installation
Detects the installation of a service named "javamtsup" on the system. (...)
Emerging test service windows WinEventLog Security - criticalFlorian Roth (Nextron Systems), Daniil Yugoslavskiy, oscd.community (update) 2017-03-27 2022-10-09 cb062102-587e-4414-8efa-dbe3c7bf19c6
1 Credential Dumping Tools Service Execution - Security
Detects well-known credential dumping tools execution via service execution events
Generic test service windows WinEventLog Security - highFlorian Roth (Nextron Systems), Teymur Kheirkhabarov, Daniil Yugoslavskiy, oscd.community 2017-03-05 2022-11-29 f0d1feba-4344-4ca9-8121-a6c97bd6df52
1 Credential Dumping Tools Service Execution - System
Detects well-known credential dumping tools execution via service execution events
Generic test service windows WinEventLog System - highFlorian Roth (Nextron Systems), Teymur Kheirkhabarov, Daniil Yugoslavskiy, oscd.community 2017-03-05 2022-11-29 4976aa50-8f41-45c6-8b15-ab3fc10e79ed
1 CSExec Service File Creation
Detects default CSExec service filename which indicates CSExec service installation and execution
Generic test file_event windows Sysmon - mediumNasreddine Bencherchali (Nextron Systems) 2023-08-04 — f0e2b768-5220-47dd-b891-d57b96fc0ec1
1 CSExec Service Installation
Detects CSExec service installation and execution events
Generic test service windows WinEventLog System - mediumNasreddine Bencherchali (Nextron Systems) 2023-08-07 — a27e5fa9-c35e-4e3d-b7e0-1ce2af66ad12
1 DD File Overwrite
Detects potential overwriting and deletion of a file using DD.
Generic test process_creation linux Sysmon - lowRoberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research), MSTIC 2021-10-15 2022-07-07 2953194b-e33c-4859-b9e8-05948c167447
1 Deleted Data Overwritten Via Cipher.EXE
Detects usage of the "cipher" built-in utility in order to overwrite deleted data from disk. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - mediumfrack113 2021-12-26 2023-02-21 4b046706-5789-4673-b111-66f25fe99534
1 Splunk
Detect DNS Query to Decommissioned S3 Bucket
This detection identifies DNS queries to domains that match previously decommissioned S3 buckets. (...)
Anomaly experimental dns windows Sysmon - mediumJose Hernandez, Splunk 2025-02-12 2026-05-13 2f1c5fd1-4b8a-4f5d-a0e9-7d6a8e2f5e1e
2 Splunk
Detect Web Access to Decommissioned S3 Bucket
This detection identifies web requests to domains that match previously decommissioned S3 buckets through web proxy logs. (...)
Anomaly experimental webserver - AWS - mediumJose Hernandez, Splunk 2025-02-12 2026-05-13 3a1d8f62-5b9c-4e7d-b8f3-9d6a8e2f5e1f
2 Discovery of a System Time
Identifies use of various commands to query a systems time. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - lowE.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community 2019-10-24 2022-06-28 b243b280-65fe-48df-ba07-6ddea7646427
2 DNS Events Related To Mining Pools
Identifies clients that may be performing DNS lookups associated with common currency mining pools.
Generic test - - DNS · Zeek - lowSaw Winn Naung, Azure-Sentinel, @neu5ron 2021-08-19 2022-07-07 bf74135c-18e8-4a72-a926-0e4f47888c19
1 DNS RCE CVE-2020-1350
Detects exploitation of DNS RCE bug reported in CVE-2020-1350 by the detection of suspicious sub pro (...)
Emerging test process_creation windows Sysmon · WinEventLog Security criticalFlorian Roth (Nextron Systems) 2020-07-15 2022-07-12 b5281f31-f9cc-4d0d-95d0-45b91c45b487
2 DNS-over-HTTPS Enabled by Registry
Detects when a user enables DNS-over-HTTPS. (...)
Generic test registry_set windows Sysmon · WinEventLog Security - mediumAustin Songer 2021-07-22 2023-08-17 04b45a8a-d11d-49e4-9acc-4a1b524407a5
4 Splunk
Excessive File Deletion In WinDefender Folder
The following analytic detects excessive file deletion events in the Windows Defender folder. (...)
Generic stable file_event windows Sysmon - mediumTeoderick Contreras, Splunk, Steven Dick 2022-01-21 2026-05-13 b5baa09a-7a05-11ec-8da4-acde48001122
1 Splunk
Excessive Usage Of SC Service Utility
The following analytic detects excessive usage of the `sc.exe` service utility on a host machine. (...)
Anomaly stable process_creation windows Sysmon - mediumTeoderick Contreras, Splunk 2021-06-24 2026-05-13 cb6b339e-d4c6-11eb-a026-acde48001122
1 Splunk
First Time Seen Running Windows Service
The following analytic detects the first occurrence of a Windows service running in your environment. (...)
Anomaly experimental service windows WinEventLog System - mediumDavid Dorsey, Splunk 2019-10-16 2026-05-13 823136f2-d755-4b6d-ae04-372b486a5808
- Fsutil Suspicious Invocation
Detects suspicious parameters of fsutil (deleting USN journal, configuring it with small size, etc). (...)
Generic stable process_creation windows Sysmon · WinEventLog Security - highEcco, E.M. Anhaus, oscd.community 2019-09-26 2023-09-09 add64136-62e5-48ea-807e-88638d02df1e
5 Splunk
GitHub Enterprise Remove Organization
The following analytic detects when a user removes an organization from GitHub Enterprise. (...)
Anomaly stable - - GitHub - mediumPatrick Bareiss, Splunk 2025-01-15 2026-05-13 94cb89aa-aec1-4585-91b1-affcdacf357e
2 Splunk
GitHub Enterprise Repository Archived
The following analytic detects when a repository is archived in GitHub Enterprise. (...)
Anomaly stable - - GitHub - mediumPatrick Bareiss, Splunk 2025-01-15 2026-05-13 8367cb99-bae1-4748-ae3b-0927bb381424
2 Splunk
GitHub Enterprise Repository Deleted
The following analytic detects when a user deletes a repository in GitHub Enterprise. (...)
Anomaly stable - - GitHub - mediumPatrick Bareiss, Splunk 2025-01-15 2026-05-13 f709e736-3e6c-492f-b865-bc7696cc24a7
2 Splunk
GitHub Organizations Repository Archived
The following analytic detects when a repository is archived in GitHub Organizations. (...)
Anomaly stable cloud_audit - GitHub - mediumPatrick Bareiss, Splunk 2025-01-15 2026-05-13 4f568a0e-896f-4d94-a2f7-fa6d82ab1f77
2 Splunk
GitHub Organizations Repository Deleted
The following analytic identifies when a repository is deleted within a GitHub organization. (...)
Anomaly stable cloud_audit - GitHub - mediumPatrick Bareiss, Splunk 2025-01-15 2026-05-13 9ff4ca95-fdae-4eea-9ffa-6d8e1c202a71
2 Google Cloud Service Account Disabled or Deleted
Identifies when a service account is disabled or deleted in Google Cloud.
Generic test cloud_audit - GCP Audit · Google Cloud - mediumAustin Songer @austinsonger 2021-08-14 2022-10-09 13f81a90-a69c-4fab-8f07-b5bb55416a9f
1 Group Has Been Deleted Via Groupdel
Detects execution of the "groupdel" binary. (...)
Generic test process_creation linux Sysmon - mediumTuan Le (NCSGroup) 2022-12-26 — 8a46f16c-8c4c-82d1-b121-0fdd3ba70a84
4 HackTool - SharpUp PrivEsc Tool Execution
Detects the use of SharpUp, a tool for local privilege escalation
Generic test process_creation windows Sysmon · WinEventLog Security - criticalFlorian Roth (Nextron Systems) 2022-08-20 2023-02-13 c484e533-ee16-4a93-b6ac-f0ea4868b2f1
1 HackTool Service Registration or Execution
Detects installation or execution of services
Generic test service windows WinEventLog System - highFlorian Roth (Nextron Systems) 2022-03-21 2023-08-07 d26ce60c-2151-403c-9a42-49420d87b5e4
1 Splunk
Linux Account Manipulation Of SSH Config and Keys
The following analytic detects the deletion of SSH keys on a Linux machine. (...)
Anomaly stable file_event linux Sysmon - mediumTeoderick Contreras, Splunk 2022-04-12 2026-05-13 73a56508-1cf5-4df7-b8d9-5737fbdc27d2
1 Splunk
Linux Auditd Base64 Decode Files
The following analytic detects suspicious Base64 decode operations that may indicate malicious activity, such as data exfiltration or execution of encoded commands. (...)
Anomaly stable process_creation linux Linux Auditd - mediumTeoderick Contreras, Splunk 2024-08-12 2026-05-13 5890ba10-4e48-4dc0-8a40-3e1ebe75e737
2