Access To .Reg/.Hive Files By Uncommon Applications
Detects file access requests to files ending with either the ".hive"/".reg" extension, usually associated with Windows Registry backups.
Hunting test file_access windows - - lowfrack113 2023-09-15 2024-07-29 337a31c6-46c4-46be-886a-260d7aa78cac
1 Activate Suppression of Windows Security Center Notifications
Detect set Notification_Suppress to 1 to disable the Windows security center notification
Generic test registry_set windows Sysmon · WinEventLog Security - mediumfrack113 2022-08-19 2023-08-17 0c93308a-3f1b-40a9-b649-57ea1a1c1d63
1 Splunk
Active Setup Registry Autostart
The following analytic detects suspicious modifications to the Active Setup registry for persistence and privilege escalation. (...)
Generic stable registry_event windows Sysmon - mediumSteven Dick, Teoderick Contreras, Splunk 2021-09-29 2026-05-13 f64579c0-203f-11ec-abcc-acde48001122
2 Add DisallowRun Execution to Registry
Detect set DisallowRun to 1 to prevent user running specific computer program
Generic test registry_set windows Sysmon · WinEventLog Security - mediumfrack113 2022-08-19 2023-08-17 275641a5-a492-45e2-a817-7c81e9d9d3e9
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 Allow RDP Remote Assistance Feature
Detect enable rdp feature to allow specific user to rdp connect on the targeted machine
Generic test registry_set windows Sysmon · WinEventLog Security - mediumfrack113 2022-08-19 2023-08-17 37b437cf-3fc5-4c8e-9c94-1d7c9aff842b
1 Allow Service Access Using Security Descriptor Tampering Via Sc.EXE
Detects suspicious DACL modifications to allow access to a service from a suspicious trustee. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - highNasreddine Bencherchali (Nextron Systems) 2023-02-28 2025-10-22 6c8fbee5-dee8-49bc-851d-c3142d02aa47
3 AppLocker Application Would Have Been Blocked
Detects when AppLocker "Audit only" enforcement mode reports that an Application, DLL, Script, MSI, or Packaged-App would have been blocked if AppLocker "Enforce rules" enforcement mode was enabled.
Generic experimental - windows AppLocker - mediumheyyanu 2026-03-26 — 557e3bd3-7f21-495d-8d50-7c8bdfb8041c
4 AppLocker Prevented Application or Script from Running
Detects when AppLocker prevents the execution of an Application, DLL, Script, MSI, or Packaged-App from running.
Generic test - windows AppLocker - mediumPushkarev Dmitry 2020-06-28 2025-12-03 401e5d00-b944-11ea-8f9a-00163ecd60ae
3 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 APT29 Google Update Service Install
This method detects malicious services mentioned in APT29 report by FireEye. (...)
Unsupported unsupported process_creation windows WinEventLog System - highThomas Patzke 2017-11-01 2022-03-21 c069f460-2b87-4010-8dcf-e45bab362624
1 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 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 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 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 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
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 Blackbyte Ransomware Registry
Detects specific windows registry modifications made by BlackByte ransomware variants. (...)
Emerging test registry_set windows Sysmon · WinEventLog Security - highfrack113 2022-01-24 2025-10-21 83314318-052a-4c90-a1ad-660ece38d276
2 Blue Mockingbird
Attempts to detect system changes made by Blue Mockingbird
Emerging test process_creation windows Sysmon · WinEventLog Security - highTrent Liffick (@tliffick) 2020-05-14 2022-10-09 c3198a27-23a0-4c2c-af19-e5328d49680e
1 Blue Mockingbird - Registry
Attempts to detect system changes made by Blue Mockingbird
Emerging test registry_set windows Sysmon · WinEventLog Security - highTrent Liffick (@tliffick) 2020-05-14 2023-08-17 92b0b372-a939-44ed-a11b-5136cf680e27
1 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 Certificate Exported Via Certutil.EXE
Detects the execution of the certutil with the "exportPFX" flag which allows the utility to export certificates.
Generic test process_creation windows Sysmon · WinEventLog Security - mediumFlorian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community, Nasreddine Bencherchali (Nextron Systems) 2023-02-15 2024-03-05 3ffd6f51-e6c1-47b7-94b4-c1e61d4117c5
1 Change the Fax Dll
Detect possible persistence using Fax DLL load when service restart
Generic test registry_set windows Sysmon · WinEventLog Security - highfrack113 2022-07-17 2022-12-30 9e3357ba-09d4-4fbd-a7c5-ad6386314513
2 Change User Account Associated with the FAX Service
Detect change of the user account associated with the FAX service to avoid the escalation problem.
Generic test registry_set windows Sysmon · WinEventLog Security - highfrack113 2022-07-17 2022-12-30 e3fdf743-f05b-4051-990a-b66919be1743
2 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 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 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 Splunk
Cisco Secure Firewall - High EVE Threat Confidence
The following analytic detects connections with a high Encrypted Visibility Engine (EVE) threat confidence score, indicating potentially malicious behavior within encrypted traffic. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-03 2026-05-13 8c15183e-2e70-4db4-86c3-88f8d9129b66
1 Splunk
Cisco Secure Firewall - Lumma Stealer Activity
This analytic detects Lumma Stealer activity using Cisco Secure Firewall Intrusion Events. (...)
Generic stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk, Talos NTDR 2025-04-16 2026-05-13 96bce783-c22e-4e48-8cf1-3eb2794c5083
1 Splunk
Cisco Secure Firewall - Malware File Downloaded
The following analytic detects file downloads that were classified as malware by Cisco Secure Firewall Threat Defense. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-09 2026-09-22 3cc93f52-5aa6-4b7f-83b9-3430b1436813
1 Splunk
Cisco Secure Firewall - Repeated Malware Downloads
The following analytic detects repeated malware file downloads initiated by the same internal host (src) within a short time window. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-09 2026-09-22 aeff2bb5-3483-48d4-9be8-c8976194be1e
1 Splunk
Cisco Secure Firewall - Snort Rule Triggered Across Multiple Hosts
This analytic identifies Snort intrusion signatures that have been triggered by ten or more distinct internal IP addresses within a one-hour window. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-16 2026-05-13 a4c76d0a-56b6-44be-814b-939746c4d406
1 Splunk
Cisco Secure Firewall - Wget or Curl Download
The following analytic detects outbound connections initiated by command-line tools such as curl or wget. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-03 2026-05-13 173a1cb9-1814-4128-a9dc-f29dade89957
1 Cisco Stage Data
Various protocols maybe used to put data on the device for exfil or infil
Generic test authentication - Cisco AAA · Cisco - lowAustin Clark 2019-08-12 2023-01-04 5e51acb2-bcbe-435b-99c6-0e3cd5e2aa59
- Splunk
Cisco TFTP Server Configuration for Data Exfiltration
This analytic detects the configuration of TFTP services on Cisco IOS devices that could be used to exfiltrate sensitive configuration files. (...)
Generic stable configuration_change - Cisco IOS · Cisco mediumBhavin Patel, Michael Haag, Splunk 2025-08-21 2026-05-13 1abce487-f480-4d5f-a551-01de0bece0bd
3 Classes Autorun Keys Modification
Detects modification of Windows Registry Classes keys used for persistence. (...)
Generic test registry_set windows Sysmon · WinEventLog Security - mediumVictor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split) 2019-10-25 2025-10-22 9df5f547-c86a-433e-b533-f2794357e242
3 ClickOnce Trust Prompt Tampering
Detects changes to the ClickOnce trust prompt registry key in order to enable an installation from different locations such as the Internet.
Generic test registry_set windows Sysmon · WinEventLog Security - medium@SerkinValery, Nasreddine Bencherchali (Nextron Systems) 2023-06-12 2023-08-17 ac9159cc-c364-4304-8f0a-d63fc1a0aabb
2 Splunk
CMD Carry Out String Command Parameter
The following analytic detects the use of `cmd.exe /c` to execute commands, a technique often employed by adversaries and malware to run batch commands or invoke other shells like PowerShell. (...)
Hunting stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike mediumTeoderick Contreras, Bhavin Patel, Splunk 2021-10-21 2026-05-13 54a6ed00-3256-11ec-b031-acde48001122
2 Splunk
CMD Echo Pipe - Escalation
The following analytic identifies the use of named-pipe impersonation for privilege escalation, commonly associated with Cobalt Strike and similar frameworks. (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike - mediumMichael Haag, Splunk 2021-05-27 2026-05-13 eb277ba0-b96b-11eb-b00e-acde48001122
2 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