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 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 Splunk
Azure AD Device Code Authentication
The following analytic identifies Azure Device Code Phishing attacks, which can lead to Azure Account Take-Over (ATO). (...)
Generic stable authentication - Microsoft 365 - mediumMauricio Velazco, Gowthamaraj Rajendran, Splunk 2023-11-16 2026-05-13 d68d8732-6f7e-4ee5-a6eb-737f2b990b91
5 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 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 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 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 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
- EvilTokens PhaaS Kit Phishing Related Request - Proxy
Detects outbound web proxy requests to URLs matching the EvilTokens Phishing-as-a-Service (PhaaS) kit infrastructure. (...)
Emerging experimental proxy - - - lowuniqu3-us3r 2026-04-28 — e0e121d0-be4d-4281-af7e-17abbba4a408
1 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 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 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 GAC DLL Loaded Via Office Applications
Detects any GAC DLL being loaded by an Office Product
Generic test image_load windows Sysmon - highAntonlovesdnb 2020-02-19 2023-02-10 90217a70-13fc-48e4-b3db-0d836c5824ac
1 Splunk
GSuite Email Suspicious Attachment
The following analytic detects suspicious attachment file extensions in GSuite emails, potentially indicating a spear-phishing attack. (...)
Anomaly stable account_management - Google Cloud - mediumTeoderick Contreras, Splunk 2021-08-16 2026-05-13 6d663014-fe92-11eb-ab07-acde48001122
1 Splunk
Gsuite Email Suspicious Subject With Attachment
The following analytic identifies Gsuite emails with suspicious subjects and attachments commonly used in spear phishing attacks. (...)
Anomaly stable account_management - Google Cloud - mediumTeoderick Contreras, Splunk 2021-08-19 2026-05-13 8ef3971e-00f2-11ec-b54f-acde48001122
2 Splunk
Gsuite Email With Known Abuse Web Service Link
The following analytic detects emails in Gsuite containing links to known abuse web services such as Pastebin, Telegram, and Discord. (...)
Anomaly stable account_management - Google Cloud - mediumTeoderick Contreras, Splunk 2021-08-23 2026-05-13 8630aa22-042b-11ec-af39-acde48001122
1 Splunk
Gsuite Suspicious Shared File Name
The following analytic detects shared files in Google Drive with suspicious filenames commonly used in spear phishing campaigns. (...)
Anomaly experimental cloud_audit - Google Cloud - mediumTeoderick Contreras, Splunk 2021-08-23 2026-05-13 07eed200-03f5-11ec-98fb-acde48001122
2 HackTool - LittleCorporal Generated Maldoc Injection
Detects the process injection of a LittleCorporal generated Maldoc.
Generic test process_access windows Sysmon - highChristian Burkard (Nextron Systems) 2021-08-09 2023-11-28 7bdde3bf-2a42-4c39-aa31-a92b3e17afac
1 HTML File Opened From Download Folder
Detects web browser process opening an HTML file from a user's Downloads folder. (...)
Hunting experimental process_creation windows Sysmon · WinEventLog Security - lowJoseph Kamau 2025-12-05 — 538c5851-8c03-4724-8ec4-623bc7aadaea
2 HTML Help HH.EXE Suspicious Child Process
Detects a suspicious child process of a Microsoft HTML Help (HH.exe)
Generic test process_creation windows Sysmon · WinEventLog Security - highMaxim Pavlunin, Nasreddine Bencherchali (Nextron Systems) 2020-04-01 2023-04-12 52cad028-0ff0-4854-8f67-d25dfcbc78b4
4 ISO File Created Within Temp Folders
Detects the creation of a ISO file in the Outlook temp folder or in the Appdata temp folder. (...)
Generic test file_event windows Sysmon - high@sam0x90 2022-07-30 — 2f9356ae-bf43-41b8-b858-4496d83b2acb
3 ISO Image Mounted
Detects the mount of an ISO image on an endpoint
Generic test file_event windows WinEventLog Security - mediumSyed Hasan (@syedhasan009) 2021-05-29 2023-11-09 0248a7bc-8a9a-4cd8-a57e-3ae8e073a073
4 ISO or Image Mount Indicator in Recent Files
Detects the creation of recent element file that points to an .ISO, .IMG, .VHD or .VHDX file as often used in phishing attacks. (...)
Generic test file_event windows Sysmon - mediumFlorian Roth (Nextron Systems) 2022-02-11 — 4358e5a5-7542-4dcb-b9f3-87667371839b
4 Kapeka Backdoor Loaded Via Rundll32.EXE
Detects the Kapeka Backdoor binary being loaded by rundll32.exe. (...)
Emerging test image_load windows Sysmon - highSwachchhanda Shrawan Poudel 2024-07-03 — a7e6b1f9-8d2c-4f1e-9a7d-63e4c8a2bf4c
2 Splunk
Linux Ghostscript Exploitation
The following analytic detects exploitation of Ghostscript causing command execution. (...)
Generic stable process_creation linux Sysmon mediumRaven Tait, Splunk 2026-07-08 2026-09-01 580f99d8-a4c8-4ef1-9c84-f355867bca41
2 Microsoft Excel Add-In Loaded
Detects Microsoft Excel loading an Add-In (.xll) file
Hunting test image_load windows Sysmon - lowNasreddine Bencherchali (Nextron Systems) 2023-05-12 — c5f4b5cb-4c25-4249-ba91-aa03626e3185
1 Microsoft Excel Add-In Loaded From Uncommon Location
Detects Microsoft Excel loading an Add-In (.xll) file from an uncommon location
Generic test image_load windows Sysmon - mediumNasreddine Bencherchali (Nextron Systems) 2023-05-12 — af4c4609-5755-42fe-8075-4effb49f5d44
2 Microsoft VBA For Outlook Addin Loaded Via Outlook
Detects outlvba (Microsoft VBA for Outlook Addin) DLL being loaded by the outlook process
Generic test image_load windows Sysmon - mediumNasreddine Bencherchali (Nextron Systems) 2023-02-08 2024-03-12 9a0b8719-cd3c-4f0a-90de-765a4cb3f5ed
1 Microsoft Word Add-In Loaded
Detects Microsoft Word loading an Add-In (.wll) file which can be used by threat actors for initial access or persistence.
Hunting test image_load windows Sysmon - lowSteffen Rogge (dr0pd34d) 2024-07-10 — 1337afba-d17d-4d23-bd55-29b927603b30
2 MMC Executing Files with Reversed Extensions Using RTLO Abuse
Detects malicious behavior where the MMC utility (`mmc.exe`) executes files with reversed extensions caused by Right-to-Left Override (RLO) abuse, disguising them as document formats.
Generic experimental process_creation windows Sysmon · WinEventLog Security - highSwachchhanda Shrawan Poudel (Nextron Systems) 2025-02-05 — 9cfe4b27-1e56-48b4-b7a8-d46851c91a44
3 New Application in AppCompat
A General detection for a new application in AppCompat. (...)
Generic test registry_set windows Sysmon · WinEventLog Security - informationalRoberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) 2020-05-02 2023-08-17 60936b49-fca0-4f32-993d-7415edcf9a5d
2 Splunk
O365 Email Reported By Admin Found Malicious
The following analytic detects when an email manually submitted to Microsoft through the Security & Compliance portal is found to be malicious. (...)
Generic stable cloud_audit - Microsoft 365 - mediumSteven Dick 2024-04-07 2026-05-13 94396c3e-7728-422a-9956-e4b77b53dbdf
1 Splunk
O365 Email Reported By User Found Malicious
The following analytic detects when an email submitted to Microsoft using the built-in report button in Outlook is found to be malicious. (...)
Generic stable cloud_audit - Microsoft 365 - mediumSteven Dick 2024-04-07 2026-05-13 7698b945-238e-4bb9-b172-81f5ca1685a1
1 Splunk
O365 Safe Links Detection
The following analytic detects when any Microsoft Safe Links alerting is triggered. (...)
Generic stable cloud_audit - Microsoft 365 - mediumSteven Dick 2024-04-07 2026-05-13 711d9e8c-2cb0-45cf-8813-5f191ecb9b26
2 Splunk
O365 SharePoint Malware Detection
The following analytic identifies when a malicious file is detected within the SharePoint Online ecosystem. (...)
Generic stable cloud_audit - Microsoft 365 - mediumSteven Dick 2024-04-07 2026-05-13 583c5de3-7709-44cb-abfc-0e828d301b59
1 Splunk
O365 Threat Intelligence Suspicious Email Delivered
The following analytic identifies when a suspicious email is detected within the Microsoft Office 365 ecosystem through the Advanced Threat Protection engine and delivered to an end user. (...)
Anomaly stable cloud_audit - Microsoft 365 - mediumSteven Dick 2024-04-07 2026-05-13 605cc93a-70e4-4ee3-9a3d-1a62e8c9b6c2
2 Splunk
O365 Threat Intelligence Suspicious File Detected
The following analytic identifies when a malicious file is detected within the Microsoft Office 365 ecosystem through the Advanced Threat Protection engine. (...)
Generic stable cloud_audit - Microsoft 365 - mediumSteven Dick 2024-04-07 2026-05-13 00958c7b-35db-4e7a-ad13-31550a7a7c64
2 Splunk
O365 ZAP Activity Detection
The following analytic detects when the Microsoft Zero-hour Automatic Purge (ZAP) capability takes action against a user's mailbox. (...)
Anomaly stable cloud_audit - Microsoft 365 - mediumSteven Dick 2024-04-07 2026-05-13 4df275fd-a0e5-4246-8b92-d3201edaef7a
1 Office Macro File Creation
Detects the creation of a new office macro files on the systems
Generic test file_event windows Sysmon - lowNasreddine Bencherchali (Nextron Systems) 2022-01-23 2026-01-09 91174a41-dc8f-401b-be89-7bfc140612a0
2 Office Macro File Creation From Suspicious Process
Detects the creation of a office macro file from a a suspicious process
Generic test file_event windows Sysmon - highfrack113, Nasreddine Bencherchali (Nextron Systems) 2022-01-23 2023-02-22 b1c50487-1967-4315-a026-6491686d860e
2 Office Macro File Download
Detects the creation of a new office macro files on the system via an application (browser, mail client). (...)
Generic test file_event windows Sysmon - lowNasreddine Bencherchali (Nextron Systems) 2022-01-23 2025-10-29 0e29e3a7-1ad8-40aa-b691-9f82ecd33d66
2