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 ADFS Database Named Pipe Connection By Uncommon Tool
Detects suspicious local connections via a named pipe to the AD FS configuration database (Windows Internal Database). (...)
Generic test pipe_created windows Sysmon - mediumRoberto Rodriguez @Cyb3rWard0g 2021-10-08 2023-11-30 1ea13e8c-03ea-409b-877d-ce5c3d2c1cb3
3 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 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 APT User Agent
Detects suspicious user agent strings used in APT malware in proxy logs
Generic test proxy - - - highFlorian Roth (Nextron Systems), Markus Neis 2019-11-12 2024-02-15 6ec820f2-e963-4801-9127-d8b2dce4d31b
1 APT40 Dropbox Tool User Agent
Detects suspicious user agent string of APT40 Dropbox tool
Emerging test proxy - - - highThomas Patzke 2019-11-12 2023-05-18 5ba715b6-71b7-44fd-8245-f66893e81b3d
1 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 Automated Turla Group Lateral Movement
Detects automated lateral movement by Turla group
Unsupported unsupported process_creation windows Sysmon · WinEventLog Security - mediumMarkus Neis 2017-11-07 2023-02-24 75925535-ca97-4e0a-a850-00b5c00779dc
1 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 AWS EC2 VM Export Failure
An attempt to export an AWS EC2 instance has been detected. (...)
Generic test cloud_audit - AWS CloudTrail · AWS - lowDiogo Braz 2020-04-16 2022-10-05 54b9a76a-3c71-4673-b4b3-2edb4566ea7b
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 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 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 Axios NPM Compromise Malicious C2 Domain DNS Query
Detects DNS queries for the malicious C2 domain associated with the plain-crypto-js/Axios npm package supply chain compromise. (...)
Emerging experimental dns - - - highSwachchhanda Shrawan Poudel (Nextron Systems) 2026-04-01 — 73e5d24f-493f-4092-bd2f-c72cabda40ee
6 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 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 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 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 Bitbucket User Details Export Attempt Detected
Detects user data export activity.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — 5259cbf2-0a75-48bf-b57a-c54d6fabaef3
2 Bitbucket User Permissions Export Attempt
Detects user permission data export attempt.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — 87cc6698-3e07-4ba2-9b43-a85a73e151e2
2 Bitsadmin to Uncommon IP Server Address
Detects Bitsadmin connections to IP addresses instead of FQDN names
Generic test proxy - - - highFlorian Roth (Nextron Systems) 2022-06-10 2022-08-24 8ccd35a2-1c7c-468b-b568-ac6cdf80eec3
1 Bitsadmin to Uncommon TLD
Detects Bitsadmin connections to domains with uncommon TLDs
Generic test proxy - - - highFlorian Roth (Nextron Systems), Tim Shelton 2019-03-07 2026-09-30 9eb68894-7476-4cd6-8752-23b51f5883a7
2 BPFDoor Abnormal Process ID or Lock File Accessed
detects BPFDoor .lock and .pid files access in temporary file storage facility
Generic test file_event linux Linux Auditd - highRafal Piasecki 2022-08-10 2026-03-30 808146b2-9332-4d78-9416-d7e47012d83d
4 Capabilities Discovery - Linux
Detects usage of "getcap" binary. (...)
Generic test process_creation linux Sysmon - lowNasreddine Bencherchali (Nextron Systems) 2022-12-28 2026-01-24 d8d97d51-122d-4cdd-9e2f-01b4b4933530
3 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 Chafer Malware URL Pattern
Detects HTTP request used by Chafer malware to receive data from its C2.
Emerging test proxy - - - highFlorian Roth (Nextron Systems) 2019-01-31 2024-02-15 fb502828-2db0-438e-93e6-801c7548686d
1 Change User Agents with WebRequest
Adversaries may communicate using application layer protocols associated with web traffic to avoid detection/network filtering by blending in with existing traffic. (...)
Generic test ps_script windows PowerShell - mediumfrack113 2022-01-23 2025-07-18 d4488827-73af-4f8d-9244-7b7662ef046e
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 - Device File Copy Activity
This analytic detects file copy activity on Cisco ASA devices via CLI or ASDM. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-11-21 2026-05-13 4d7e8f3a-9c2b-4e6f-8a1d-5b9c7e2f4a8c
1 Splunk
Cisco ASA - Device File Copy to Remote Location
This analytic detects file copy operations to remote locations on Cisco ASA devices via CLI or ASDM. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-11-21 2026-05-13 8a9e5f2b-6d4c-4e7f-9b3a-1c8d7f5e2a9b
2 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 - Reconnaissance Command Activity
This analytic detects potential reconnaissance activities on Cisco ASA devices by identifying execution of multiple information-gathering "show" commands within a short timeframe. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-11-21 2026-05-13 6e9d4f7a-3c8b-4a9e-8d2f-7b5c9e1a6f3d
1 Cisco Collect Data
Collect pertinent data from the configuration files
Generic test authentication - Cisco AAA · Cisco - lowAustin Clark 2019-08-11 2023-01-04 cd072b25-a418-4f98-8ebc-5093fb38fe1a
3 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 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 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