Splunk
Add or Set Windows Defender Exclusion
The following analytic detects the use of commands to add or set exclusions
in Windows Defender. It (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike - mediumTeoderick Contreras, Nasreddine Bencherchali, Splunk 2021-11-25 2026-06-08 773b66fe-4dd9-11ec-8289-acde48001122
4 Add SafeBoot Keys Via Reg Utility
Detects execution of "reg.exe" commands with the "add" or "copy" flags on safe boot registry keys. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - highNasreddine Bencherchali (Nextron Systems) 2022-09-02 2024-03-19 d7662ff6-9e97-4596-a61d-9839e32dee8d
1 ADS Zone.Identifier Deleted
Detects the deletion of the "Zone.Identifier" ADS. (...)
Hunting test file_delete windows Sysmon - lowfrack113 2023-09-04 — 7eac0a16-5832-4e81-865f-0268a6d19e4b
1 ADS Zone.Identifier Deleted By Uncommon Application
Detects the deletion of the "Zone.Identifier" ADS by an uncommon process. (...)
Generic test file_delete windows Sysmon - mediumNasreddine Bencherchali (Nextron Systems) 2023-09-04 2025-07-04 3109530e-ab47-4cc6-a953-cac5ebcc93ae
2 AMSI Bypass Pattern Assembly GetType
Detects code fragments found in small and obfuscated AMSI bypass PowerShell scripts
Generic test ps_script windows PowerShell - highFlorian Roth (Nextron Systems) 2022-11-09 — e0d6c087-2d1c-47fd-8799-3904103c5a98
2 AMSI Disabled via Registry Modification
Detects attempts to disable AMSI (Anti-Malware Scan Interface) by modifying the AmsiEnable registry value. (...)
Generic experimental registry_set windows Sysmon · WinEventLog Security - highSwachchhanda Shrawan Poudel (Nextron Systems) 2025-12-25 — aa37cbb0-da36-42cb-a90f-fdf216fc7467
3 Antivirus - Ransomware Signature
Detects a highly relevant Antivirus alert that reports ransomware. (...)
Generic test antivirus - - - criticalFlorian Roth (Nextron Systems), Arnim Rupp 2022-05-12 2026-06-15 4c6ca276-d4d0-4a8c-9e4c-d69832f8671f
7 Antivirus Filter Driver Disallowed On Dev Drive - Registry
Detects activity that indicates a user disabling the ability for Antivirus mini filter to inspect a "Dev Drive".
Generic test registry_set windows Sysmon · WinEventLog Security - high@kostastsale, Nasreddine Bencherchali (Nextron Systems) 2023-11-05 2024-08-16 31e124fb-5dc4-42a0-83b3-44a69c77b271
1 Splunk
ASL AWS Detect Users creating keys with encrypt policy without MFA
The following analytic detects the creation of AWS KMS keys with an encryption policy accessible to everyone, including external entities. (...)
Generic stable cloud_audit - AWS CloudTrail · AWS - mediumPatrick Bareiss, Splunk 2020-10-27 2026-05-13 16ae9076-d1d5-411c-8fdd-457504b33dac
3 ASLR Disabled Via Sysctl or Direct Syscall - Linux
Detects actions that disable Address Space Layout Randomization (ASLR) in Linux, including:
- Use (...)
Generic experimental process_creation linux Linux Auditd - highMilad Cheraghi 2025-05-26 2025-12-05 e497a24e-9345-4a62-9803-b06d7d7cb132
4 Auditing Configuration Changes on Linux Host
Detect changes in auditd configuration files
Generic test file_event linux Linux Auditd - highMikhail Larin, oscd.community 2019-10-25 2021-11-27 977ef627-4539-4875-adf4-ed8f780c4922
2 AWS Bedrock Guardrail Deleted
Detects deletion of an Amazon Bedrock guardrail, which may indicate attempts to remove
model safety (...)
Generic experimental cloud_audit - AWS CloudTrail · AWS - mediumMarco Pedrinazzi (@pedrinazziM) (InTheCyber) 2026-07-10 — 59b70e4d-dd17-44a9-b740-acf07ae3eb6a
1 AWS Bedrock Guardrail Updated
Detects updates to an Amazon Bedrock guardrail, which may indicate attempts to weaken
model safety c (...)
Generic experimental cloud_audit - AWS CloudTrail · AWS - mediumMarco Pedrinazzi (@pedrinazziM) (InTheCyber) 2026-07-10 — 1c722651-254a-4b04-a9f4-99b62a2d0a1f
1 Splunk
AWS Detect Users creating keys with encrypt policy without MFA
The following analytic detects the creation of AWS KMS keys with an encryption policy accessible to everyone, including external entities. (...)
Generic stable cloud_audit - AWS CloudTrail · AWS - mediumRod Soto, Patrick Bareiss Splunk 2020-10-27 2026-05-13 c79c164f-4b21-4847-98f9-cf6a9f49179e
3 Splunk
AWS Detect Users with KMS keys performing encryption S3
The following analytic identifies users with KMS keys performing encryption operations on S3 buckets. (...)
Anomaly stable cloud_audit - AWS CloudTrail · AWS - mediumRod Soto, Patrick Bareiss Splunk 2020-10-27 2026-05-13 884a5f59-eec7-4f4a-948b-dbde18225fdc
3 AWS EC2 Disable EBS Encryption
Identifies disabling of default Amazon Elastic Block Store (EBS) encryption in the current region. (...)
Generic stable cloud_audit - AWS CloudTrail · AWS - mediumSittikorn S 2021-06-29 2021-08-20 16124c2d-e40b-4fcc-8f2c-5ab7870a2223
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 GuardDuty Detector Deleted Or Updated
Detects successful deletion or disabling of an AWS GuardDuty detector, possibly by an attacker trying to avoid detection of its malicious activities. (...)
Generic experimental cloud_audit - AWS CloudTrail · AWS - highsuktech24 2025-11-27 — d2656e78-c069-4571-8220-9e0ab5913f19
12 AWS GuardDuty Important Change
Detects updates of the GuardDuty list of trusted IPs, perhaps to disable security alerts against malicious IPs.
Generic test cloud_audit - AWS CloudTrail · AWS - highfaloker 2020-02-11 2022-10-09 6e61ee20-ce00-4f8d-8aee-bedd8216f7e3
1 AWS KMS Imported Key Material Usage
Detects the import or deletion of key material in AWS KMS, which can be used as part of ransomware attacks. (...)
Generic experimental cloud_audit - AWS CloudTrail · AWS - hightoopricey 2025-10-18 — 1279262f-1464-422f-ac0d-5b545320c526
3 AWS Macie Evasion
Detects evade to Macie detection.
Unsupported unsupported cloud_audit - AWS CloudTrail · AWS - mediumSittikorn S 2021-07-06 2023-03-24 91f6a16c-ef71-437a-99ac-0b070e3ad221
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 AWS SecurityHub Findings Evasion
Detects the modification of the findings on SecurityHub.
Generic stable cloud_audit - AWS CloudTrail · AWS - highSittikorn S 2021-06-28 — a607e1fe-74bf-4440-a3ec-b059b9103157
1 Splunk
Azure AD Block User Consent For Risky Apps Disabled
The following analytic detects when the risk-based step-up consent security setting in Azure AD is disabled. (...)
Generic stable account_management - Microsoft 365 - mediumMauricio Velazco, Splunk 2023-11-16 2026-05-13 875de3d7-09bc-4916-8c0a-0929f4ced3d8
4 Azure Kubernetes Events Deleted
Detects when Events are deleted in Azure Kubernetes. (...)
Generic test cloud_audit - Azure Activity Logs · Azure - mediumAustin Songer @austinsonger 2021-07-24 2022-08-23 225d8b09-e714-479c-a0e4-55e6f29adf35
2 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 Backup Catalog Deleted
Detects backup catalog deletions
Generic test - windows WinEventLog Application - mediumFlorian Roth (Nextron Systems), Tom U. @c_APT_ure (collection) 2017-05-12 2022-12-25 9703792d-fd9a-456d-a672-ff92efe4806a
2 Bitbucket Audit Log Configuration Updated
Detects changes to the bitbucket audit log configuration.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — 6aa12161-235a-4dfb-9c74-fe08df8d8da1
1 Bitbucket Global Secret Scanning Rule Deleted
Detects Bitbucket global secret scanning rule deletion activity.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — e16cf0f0-ee88-4901-bd0b-4c8d13d9ee05
2 Bitbucket Global SSH Settings Changed
Detects Bitbucket global SSH access configuration changes.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — 16ab6143-510a-44e2-a615-bdb80b8317fc
2 Bitbucket Project Secret Scanning Allowlist Added
Detects when a secret scanning allowlist rule is added for projects.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - lowMuhammad Faisal (@faisalusuf) 2024-02-25 — 42ccce6d-7bd3-4930-95cd-e4d83fa94a30
2 Bitbucket Secret Scanning Exempt Repository Added
Detects when a repository is exempted from secret scanning feature.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - highMuhammad Faisal (@faisalusuf) 2024-02-25 — b91e8d5e-0033-44fe-973f-b730316f23a1
2 Bitbucket Secret Scanning Rule Deleted
Detects when secret scanning rule is deleted for the project or repository.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - lowMuhammad Faisal (@faisalusuf) 2024-02-25 — ff91e3f0-ad15-459f-9a85-1556390c138d
2 BlueSky Ransomware Artefacts
Detect access to files and shares with names and extensions used by BlueSky ransomware which could indicate a current or previous encryption attempt.
Emerging test file_event windows WinEventLog Security - highj4son 2023-05-23 — eee8311f-a752-44f0-bf2f-6b007db16300
1 Splunk
Cisco ASA - Core Syslog Message Volume Drop
Adversaries may intentionally suppress or reduce the volume of core Cisco ASA syslog messages to evade detection or cover their tracks. (...)
Hunting stable firewall - Cisco Secure Firewall · Cisco mediumBhavin Patel, Micheal Haag, Splunk 2025-09-25 2026-05-13 4b4f8fdd-1f9e-45d8-9b0f-1f64c0b297a4
8 Splunk
Cisco ASA - Logging Disabled via CLI
This analytic detects the disabling of logging functionality on a Cisco ASA device
through CLI comma (...)
Generic stable firewall - Cisco Secure Firewall · Cisco - mediumBhavin Patel, Micheal Haag, Nasreddine Bencherchali, Splunk 2025-09-25 2026-05-13 7b4c9f3e-5a88-4b7b-9c4b-94d8e5d67201
2 Splunk
Cisco ASA - Logging Filters Configuration Tampering
This analytic detects tampering with logging filter configurations on Cisco ASA devices via CLI or ASDM. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-11-21 2026-05-13 b87b48a8-6d1a-4280-9cf1-16a950dbf901
1 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 Splunk
Cisco Configuration Archive Logging Analysis
This analytic provides comprehensive monitoring of configuration changes on Cisco devices by analyzing archive logs. (...)
Hunting stable configuration_change - Cisco IOS · Cisco mediumBhavin Patel, Michael Haag, Splunk 2025-08-21 2026-05-13 f52d5c0b-d45d-4304-b300-a4f6a1130dec
3 Cisco Denial of Service
Detect a system being shutdown or put into different boot mode
Generic test authentication - Cisco AAA · Cisco - mediumAustin Clark 2019-08-15 2023-01-04 d94a35f0-7a29-45f6-90a0-80df6159967c
- Cisco Disabling Logging
Turn off logging locally or remote
Generic test authentication - Cisco AAA · Cisco - highAustin Clark 2019-08-11 2023-01-04 9e8f6035-88bf-4a63-96b6-b17c0508257e
1 Cisco Dot1x Disabled
Detects the manual disablement of IEEE 802.1X (dot1x) on a Cisco network device interface. (...)
Generic experimental authentication - Cisco AAA · Cisco - mediumLuc Génaux 2026-04-28 — ef0ff092-a24a-4fbc-beea-06c08d53e085
3 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
- Splunk
Cisco IOS XE Log Clearing Sequence With Optional Loopback Removal
This analytic detects Cisco IOS-XE command sequences where show logging, clear logging, and exit occur within a short period. (...)
Anomaly stable network_device - Cisco IOS · Cisco - mediumNasreddine Bencherchali 2026-05-19 2026-05-20 e20a6709-5f2c-4508-83fb-b3af6f705717
2 Splunk
Cisco IOS XE VTY Access Class Tampering
This analytic detects rapid modification of Cisco IOS-XE VTY access-class settings. (...)
Anomaly stable network_device - Cisco IOS · Cisco - mediumNasreddine Bencherchali 2026-05-19 2026-05-20 a01ca274-16cb-476d-a814-d2ffe29d8905
2 Splunk
Cisco SNMP Community String Configuration Changes
This analytic detects changes to SNMP community strings on Cisco devices, which could indicate an attacker establishing persistence or attempting to extract credentials. (...)
Anomaly stable configuration_change - Cisco IOS · Cisco mediumBhavin Patel, Michael Haag, Splunk 2025-08-21 2026-05-13 b0ce5521-2533-4f24-b8d5-c2ff977aae08
3 Splunk
Clear Unallocated Sector Using Cipher App
The following analytic detects the execution of `cipher.exe` with the `/w` flag to clear unallocated sectors on a disk. (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike - mediumTeoderick Contreras, Splunk 2021-06-10 2026-05-13 cd80a6ac-c9d9-11eb-8839-acde48001122
2 Devcon Execution Disabling VMware VMCI Device
Detects execution of devcon.exe with commands that disable the VMware Virtual Machine Communication Interface (VMCI) device. (...)
Generic experimental process_creation windows Sysmon · WinEventLog Security - highMatt Anderson, Dray Agha, Anna Pham (Huntress) 2026-01-02 — 85f520e7-6f5e-43ca-874c-222e5bf9c0de
4 Diamond Sleet APT Scheduled Task Creation - Registry
Detects registry event related to the creation of a scheduled task used by Diamond Sleet APT during (...)
Emerging test registry_event windows Sysmon · WinEventLog Security highNasreddine Bencherchali (Nextron Systems) 2023-10-24 — 9f9f92ba-5300-43a4-b435-87d1ee571688
1 Directory Removal Via Rmdir
Detects execution of the builtin "rmdir" command in order to delete directories. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - lowfrack113 2022-01-15 2023-03-07 41ca393d-538c-408a-ac27-cf1e038be80c
2