Antivirus - APT Malware Signature
Detects a highly relevant Antivirus alert that reports APT malware. (...)
Generic experimental antivirus - - - criticalArnim Rupp (Nextron Systems) 2026-06-15 — 101a1877-2cf4-474d-abfd-7f6ac4788d1a
1 Antivirus - Exploitation Framework Signature
Detects a highly relevant Antivirus alert that reports an exploitation framework. (...)
Generic stable antivirus - - - criticalFlorian Roth (Nextron Systems), Arnim Rupp 2018-09-09 2026-06-15 238527ad-3c2c-4e4f-a1f6-92fd63adb864
4 Antivirus - Remote Access Tools Signature
Detects a highly relevant Antivirus alert that reports a remote access tool. (...)
Generic experimental antivirus - - - criticalArnim Rupp (Nextron Systems) 2026-06-15 — 97233998-3838-4581-88c6-f1d19d3993fb
2 Anydesk Temporary Artefact
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. (...)
Generic test file_event windows Sysmon - mediumfrack113 2022-02-11 2024-07-20 0b9ad457-2554-44c1-82c2-d56a99c42377
1 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 APT27 - Emissary Panda Activity
Detects the execution of DLL side-loading malware used by threat group Emissary Panda aka APT27
Emerging test process_creation windows Sysmon · WinEventLog Security - criticalFlorian Roth (Nextron Systems) 2018-09-03 2023-03-09 9aa01d62-7667-4d3b-acb8-8cb5103e2014
3 Arbitrary Shell Command Execution Via Settingcontent-Ms
The .SettingContent-ms file type was introduced in Windows 10 and allows a user to create "shortcuts" to various Windows 10 setting pages. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - mediumSreeman 2020-03-13 2022-04-14 24de4f3b-804c-4165-b442-5a06a2302c7e
1 Aruba Network Service Potential DLL Sideloading
Detects potential DLL sideloading activity via the Aruba Networks Virtual Intranet Access "arubanets (...)
Generic test image_load windows Sysmon - highNasreddine Bencherchali (Nextron Systems) 2023-01-22 2023-03-15 90ae0469-0cee-4509-b67f-e5efcef040f7
1 Atera Agent Installation
Detects successful installation of Atera Remote Monitoring & Management (RMM) agent as recently foun (...)
Generic test - windows WinEventLog Application - highBhabesh Raj 2021-09-01 2022-12-25 87261fb2-69d0-42fe-b9de-88c6b5f65a43
1 Splunk
Batch File Write to System32
The following analytic detects the creation of a batch file (.bat) within the Windows system directory tree, specifically in the System32 or SysWOW64 folders. (...)
Anomaly stable file_event windows Sysmon - mediumSteven Dick, Michael Haag, Rico Valdez, Splunk 2020-04-29 2026-07-02 503d17cb-9eab-4cf8-a20e-01d5c6987ae3
- Splunk
Cisco NVM - Susp Script From Archive Triggering Network Activity
This analytic detects script execution (`wscript.exe` or `cscript.exe`) triggered from compressed fi (...)
Anomaly stable network_connection - Cisco NVM · Cisco - mediumNasreddine Bencherchali, Splunk 2025-07-01 2026-09-22 8b07c2c9-0cde-4c44-9fa6-59dcf2b25777
1 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 CLR DLL Loaded Via Office Applications
Detects CLR DLL being loaded by an Office Product
Generic test image_load windows Sysmon - mediumAntonlovesdnb 2020-02-19 2023-03-29 d13c43f0-f66b-4279-8b2c-5912077c1780
1 Common Autorun Keys Modification
Detects modification of autostart extensibility point (ASEP) in registry.
Generic test registry_set windows Sysmon · WinEventLog Security - mediumVictor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split), wagga (name) 2019-10-25 2025-10-22 f59c3faf-50f3-464b-9f4c-1b67ab512d99
4 Creation Of Non-Existent System DLL
Detects creation of specific system DLL files that are usually not present on the system (or at least not in system directories) but may be loaded by legitimate processes. (...)
Generic test file_event windows Sysmon mediumNasreddine Bencherchali (Nextron Systems), fornotes 2022-12-01 2026-01-24 df6ecb8b-7822-4f4b-b412-08f524b4576c
13 Creation of WerFault.exe/Wer.dll in Unusual Folder
Detects the creation of a file named "WerFault.exe" or "wer.dll" in an uncommon folder, which could be a sign of WerFault DLL hijacking.
Generic test file_event windows Sysmon - mediumfrack113 2022-05-09 2026-05-18 28a452f3-786c-4fd8-b8f2-bddbe9d616d1
1 Cross Site Scripting Strings
Detects XSS attempts injected via GET requests in access logs
Generic test webserver - - - highSaw Win Naung, Nasreddine Bencherchali 2021-08-15 2022-06-14 65354b83-a2ea-4ea6-8414-3ab38be0d409
2 CurrentControlSet Autorun Keys Modification
Detects modification of autostart extensibility point (ASEP) in registry.
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 2023-08-17 f674e36a-4b91-431e-8aef-f8a96c2aca35
3 CurrentVersion Autorun Keys Modification
Detects modification of autostart extensibility point (ASEP) in registry.
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 20f0ee37-5942-4e45-b7d5-c5b5db9df5cd
4 CurrentVersion NT Autorun Keys Modification
Detects modification of autostart extensibility point (ASEP) in registry.
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 cbf93e5d-ca6c-4722-8bea-e9119007c248
3 Splunk
Detect hosts connecting to dynamic domain providers
The following analytic identifies DNS queries from internal hosts to dynamic domain providers. (...)
Generic stable dns windows Sysmon - mediumBhavin Patel, Splunk 2019-10-16 2026-09-22 a1e761ac-1344-4dbd-88b2-3f34c912d359
- Splunk
Detect Outlook exe writing a zip file
The following analytic identifies the execution of `outlook.exe` writing a `.zip` file to the disk. (...)
Anomaly stable process_creation windows Sysmon - mediumBhavin Patel, Splunk 2020-04-29 2026-05-13 a51bfe1a-94f0-4822-b1e4-16ae10145893
3 DHCP Callout DLL Installation
Detects the installation of a Callout DLL via CalloutDlls and CalloutEnabled parameter in Registry, (...)
Generic test registry_set windows Sysmon · WinEventLog Security - highDimitrios Slamaris 2017-05-15 2023-08-17 9d3436ef-9476-4c43-acca-90ce06bdf33a
3 DHCP Server Error Failed Loading the CallOut DLL
This rule detects a DHCP server error in which a specified Callout DLL (in registry) could not be lo (...)
Generic test - windows WinEventLog System - highDimitrios Slamaris, @atc_project (fix) 2017-05-15 2022-12-25 75edd3fd-7146-48e5-9848-3013d7f0282c
3 DHCP Server Loaded the CallOut DLL
This rule detects a DHCP server in which a specified Callout DLL (in registry) was loaded
Generic test - windows WinEventLog System - highDimitrios Slamaris 2017-05-15 2022-12-25 13fc89a9-971e-4ca6-b9dc-aa53a445bf40
3 Diamond Sleet APT DLL Sideloading Indicators
Detects DLL sideloading activity seen used by Diamond Sleet APT
Emerging test image_load windows Sysmon highNasreddine Bencherchali (Nextron Systems) 2023-10-24 — d1b65d98-37d7-4ff6-b139-2d87c1af3042
1 Direct Autorun Keys Modification
Detects direct modification of autostart extensibility point (ASEP) in registry using reg.exe.
Generic test process_creation windows Sysmon · WinEventLog Security - mediumVictor Sergeev, Daniil Yugoslavskiy, oscd.community, Swachchhanda Shrawan Poudel (Nextron Systems) 2019-10-25 2026-01-05 24357373-078f-44ed-9ac4-6d334a668a11
2 Disk Image Mounting Via Hdiutil - MacOS
Detects the execution of the hdiutil utility in order to mount disk images.
Generic test process_creation macos - - mediumOmar Khaled (@beacon_exe) 2024-08-10 — bf241472-f014-4f01-a869-96f99330ca8c
3 DLL Names Used By SVR For GraphicalProton Backdoor
Hunts known SVR-specific DLL names.
Emerging test image_load windows Sysmon - mediumCISA 2023-12-18 — e64c8ef3-9f98-40c8-b71e-96110991cb4c
1 DLL Search Order Hijackig Via Additional Space in Path
Detects when an attacker create a similar folder structure to windows system folders such as (Window (...)
Generic test file_event windows Sysmon - highfrack113, Nasreddine Bencherchali (Nextron Systems) 2022-07-30 — b6f91281-20aa-446a-b986-38a92813a18f
2 DLL Sideloading by VMware Xfer Utility
Detects execution of VMware Xfer utility (VMwareXferlogs.exe) from the non-default directory which m (...)
Generic test process_creation windows Sysmon · WinEventLog Security - highNasreddine Bencherchali (Nextron Systems) 2022-08-02 — ebea773c-a8f1-42ad-a856-00cb221966e8
1 DLL Sideloading Of ShellChromeAPI.DLL
Detects processes loading the non-existent DLL "ShellChromeAPI". (...)
Generic test image_load windows Sysmon - highNasreddine Bencherchali (Nextron Systems) 2022-12-01 — ee4c5d06-3abc-48cc-8885-77f1c20f4451
2 DNS Query To AzureWebsites.NET By Non-Browser Process
Detects a DNS query by a non browser process on the system to "azurewebsites.net". (...)
Generic test dns windows Sysmon - mediumNasreddine Bencherchali (Nextron Systems) 2024-06-24 — e043f529-8514-4205-8ab0-7f7d2927b400
4 DNS Query To Remote Access Software Domain From Non-Browser App
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. (...)
Generic test dns windows Sysmon - mediumfrack113, Connor Martin 2022-07-11 2024-12-17 4d07b1f4-cb00-4470-b9f8-b0191d48ff52
8 DNS Server Error Failed Loading the ServerLevelPluginDLL
Detects a DNS server error in which a specified plugin DLL (in registry) could not be loaded
Generic test - windows DNS Server - highFlorian Roth (Nextron Systems) 2017-05-08 2023-02-05 cbe51394-cd93-4473-b555-edf0144952d9
3 DotNET Assembly DLL Loaded Via Office Application
Detects any assembly DLL being loaded by an Office Product
Generic test image_load windows Sysmon - mediumAntonlovesdnb 2020-02-19 2023-03-29 ff0f2b05-09db-4095-b96d-1b75ca24894a
1 Download From Suspicious TLD - Blacklist
Detects download of certain file types from hosts in suspicious TLDs
Generic test proxy - - - lowFlorian Roth (Nextron Systems) 2017-11-07 2023-05-18 00d0b5ab-1f55-4120-8e83-487c0a7baf19
4 Download From Suspicious TLD - Whitelist
Detects executable downloads from suspicious remote systems
Generic test proxy - - - lowFlorian Roth (Nextron Systems) 2017-03-13 2023-05-18 b5de2919-b74a-4805-91a7-5049accbaefe
1 Splunk
Drop IcedID License dat
The following analytic detects the dropping of a suspicious file named "license.dat" in %appdata% or %programdata%. (...)
Hunting stable file_event windows Sysmon - mediumTeoderick Contreras, Splunk 2021-08-05 2026-05-13 b7a045fc-f14a-11eb-8e79-acde48001122
1 Droppers Exploiting CVE-2017-11882
Detects exploits that use CVE-2017-11882 to start EQNEDT32.EXE and other sub processes like mshta.ex (...)
Emerging stable process_creation windows Sysmon · WinEventLog Security criticalFlorian Roth (Nextron Systems) 2017-11-23 2021-11-27 678eb5f4-8597-4be6-8be7-905e4234b53a
3 Splunk
Email Attachments With Lots Of Spaces
The following analytic detects email attachments with an unusually high number of spaces in their file names, which is a common tactic used by attackers to obfuscate file extensions. (...)
Anomaly experimental email - - - mediumDavid Dorsey, Splunk 2020-04-29 2026-05-13 56e877a6-1455-4479-ada6-0550dc1e22f8
- Exploit for CVE-2017-0261
Detects Winword starting uncommon sub process FLTLDR.exe as used in exploits for CVE-2017-0261 and C (...)
Emerging test process_creation windows Sysmon · WinEventLog Security mediumFlorian Roth (Nextron Systems) 2018-02-22 2021-11-27 864403a1-36c9-40a2-a982-4c9a45f7d833
1 Exploit for CVE-2017-8759
Detects Winword starting uncommon sub process csc.exe as used in exploits for CVE-2017-8759
Emerging test process_creation windows Sysmon · WinEventLog Security criticalFlorian Roth (Nextron Systems) 2017-09-15 2021-11-27 fdd84c68-a1f6-47c9-9477-920584f94905
2 Fax Service DLL Search Order Hijack
The Fax service attempts to load ualapi.dll, which is non-existent. (...)
Generic test image_load windows Sysmon - highNVISO 2020-05-04 2022-06-02 828af599-4c53-4ed2-ba4a-a9f835c434ea
1 File Creation by Office Applications
This rule will monitor executable and script file creation by office applications. (...)
Unsupported experimental file_event windows Sysmon - highVadim Khrykov (ThreatIntel), Cyb3rEng (Rule) 2021-08-23 2022-06-02 8c6fd6fc-28fc-4597-a86a-fc1de20b039d
2 File Creation In Suspicious Directory By Msdt.EXE
Detects msdt.exe creating files in suspicious directories which could be a sign of exploitation of e (...)
Generic test file_event windows Sysmon highVadim Varganov, Florian Roth (Nextron Systems) 2022-08-24 2023-02-23 318557a5-150c-4c8d-b70e-a9910e199857
2 File With Uncommon Extension Created By An Office Application
Detects the creation of files with an executable or script extension by an Office application.
Generic test file_event windows Sysmon - highVadim Khrykov (ThreatIntel), Cyb3rEng (Rule), Nasreddine Bencherchali (Nextron Systems) 2021-08-23 2025-10-17 c7a74c80-ba5a-486e-9974-ab9e682bc5e4
2 Flash Player Update from Suspicious Location
Detects a flashplayer update from an unofficial location
Generic test proxy - - - highFlorian Roth (Nextron Systems) 2017-10-25 2022-08-08 4922a5dd-6743-4fc2-8e81-144374280997
1 Forest Blizzard APT - Custom Protocol Handler Creation
Detects the setting of a custom protocol handler with the name "rogue". (...)
Emerging test registry_set windows Sysmon · WinEventLog Security highNasreddine Bencherchali (Nextron Systems) 2024-04-23 — 5cdeb555-65de-4767-99fe-e26807465148
1