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 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 AppX Package Installation Attempts Via AppInstaller.EXE
Detects DNS queries made by "AppInstaller.EXE". (...)
Generic test dns windows Sysmon - mediumfrack113 2021-11-24 2023-11-09 7cff77e1-9663-46a3-8260-17f2e1aa9d0a
2 Arbitrary File Download Via GfxDownloadWrapper.EXE
Detects execution of GfxDownloadWrapper.exe with a URL as an argument to download file.
Generic test process_creation windows Sysmon · WinEventLog Security - mediumVictor Sergeev, oscd.community 2020-10-09 2023-10-18 eee00933-a761-4cd0-be70-c42fe91731e7
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 Startup Shell Script Change
Detects changes to the EC2 instance startup script. (...)
Generic test cloud_audit - AWS CloudTrail · AWS - highfaloker 2020-02-12 2022-06-07 1ab3c5ed-5baf-417b-bb6b-78ca33f6c3df
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 File Creation Indicators - Linux
Detects file creation events linked to the Axios NPM supply chain compromise. (...)
Emerging experimental file_event linux Sysmon - highSwachchhanda Shrawan Poudel (Nextron Systems) 2026-04-01 — b7cb840c-11f6-47f7-b3ef-5524739c9077
5 Axios NPM Compromise File Creation Indicators - MacOS
Detects file creation events linked to the Axios NPM supply chain compromise on macOS devices. (...)
Emerging experimental file_event macos - - highSwachchhanda Shrawan Poudel (Nextron Systems) 2026-04-01 — 2db0458c-05c9-4069-a26f-77becd9c8c13
5 Axios NPM Compromise Indicators - Linux
Detects the Linux-specific execution chain of the plain-crypto-js malicious npm dependency by Axios NPM package, including payload download via curl and detached execution using nohup and python3. (...)
Emerging experimental process_creation linux Sysmon - highSwachchhanda Shrawan Poudel (Nextron Systems) 2026-04-01 — 0a23a62d-c5b3-468b-a072-25064a9a8c87
5 Axios NPM Compromise Indicators - macOS
Detects the macOS-specific execution chain of the plain-crypto-js malicious npm dependency in Axios NPM Package, including AppleScript execution via osascript, payload download, permission modification, execution, and cleanup.
Emerging experimental process_creation macos - - highSwachchhanda Shrawan Poudel (Nextron Systems) 2026-04-01 — a09ee860-31b3-4586-8a68-0ebd74ce0e5f
5 Axios NPM Compromise Indicators - Windows
Detects the specific Windows execution chain and process tree associated with the Axios NPM supply chain compromise. (...)
Emerging experimental process_creation windows Sysmon · WinEventLog Security - highSwachchhanda Shrawan Poudel (Nextron Systems) 2026-04-01 — f6c27ecc-d890-4452-80e6-2e274a10e097
5 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 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 Splunk
BITSAdmin Download File
The following analytic detects the use of `bitsadmin.exe` with the `transfer` parameter to download a remote object. (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike - mediumMichael Haag, Sittikorn S 2021-03-30 2026-10-02 80630ff4-8e4c-11eb-aab5-acde48001122
5 BPFtrace Unsafe Option Usage
Detects the usage of the unsafe bpftrace option
Generic test process_creation linux Sysmon - mediumAndreas Hunkeler (@Karneades) 2022-02-11 — f8341cb2-ee25-43fa-a975-d8a5a9714b39
2 Browser Execution In Headless Mode
Detects execution of Chromium based browser in headless mode
Generic test process_creation windows Sysmon · WinEventLog Security - lowNasreddine Bencherchali (Nextron Systems) 2023-09-12 — ef9dcfed-690c-4c5d-a9d1-482cd422225c
2 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
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 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 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 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 Tunnel Interface Configuration
This analytic detects creation of a Cisco IOS-XE tunnel interface with tunnel source, tunnel destination, and an IP address in the 10.10.12.0 network. (...)
Anomaly stable network_device - Cisco IOS · Cisco - mediumNasreddine Bencherchali 2026-05-19 2026-05-20 8654314d-8e4d-4971-9f35-b9d477bf668e
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 Isovalent - Curl Execution With Insecure Flags
The following analytic detects the execution of curl commands with insecure flags within the Cisco Isovalent environment. (...)
Anomaly stable process_creation - Cisco - mediumBhavin Patel, Splunk 2026-01-05 2026-10-02 c16c4899-d3f7-461b-92c2-cc0ef5758855
3 Splunk
Cisco NVM - Suspicious File Download via Headless Browser
This analytic identifies the use of Chromium-based browsers (like Microsoft Edge) running in headless mode with the `--dump-dom` argument. (...)
Generic stable network_connection - Cisco NVM · Cisco - mediumNasreddine Bencherchali, Splunk 2025-07-01 2026-09-22 cd0e816f-f67d-4dbe-a153-480b546e867e
4 Splunk
Cisco NVM - Webserver Download From File Sharing Website
This analytic detects unexpected outbound network connections initiated by known webserver processes such as `httpd.exe`, `nginx.exe`, or `tomcat.exe` to common file sharing or public content hosting services like GitHub, Discord CDN, Transfer.sh, or Pastebin. (...)
Generic stable network_connection - Cisco NVM · Cisco - mediumNasreddine Bencherchali, Splunk 2025-07-01 2026-09-22 1984f997-3b49-4d4b-a7e9-dc5dbf88370e
3 Splunk
Cisco Secure Firewall - Communication Over Suspicious Ports
The following analytic detects potential reverse shell activity by identifying connections involving ports commonly associated with remote access tools, shell listeners, or tunneling utilities. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-03 2026-05-13 d85c05c8-42c0-4e4a-87e7-4e1bb3e844e3
1 Splunk
Cisco Secure Firewall - Connection to File Sharing Domain
The following analytic detects outbound connections to commonly abused file sharing and pastebin-style hosting domains. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-03 2026-05-13 f7e5e792-d907-46c1-a58e-4ff974dc462a
1 Splunk
Cisco Secure Firewall - File Download Over Uncommon Port
The following analytic detects file transfers flagged as malware that occurred over non-standard ports (other than 80 and 443). (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-09 2026-09-22 f26445a8-a6a2-4855-bec0-0c39e52e5b8f
1