Alternate PowerShell Hosts - PowerShell Module
Detects alternate PowerShell hosts potentially bypassing detections looking for powershell.exe
Generic test ps_module windows PowerShell - mediumRoberto Rodriguez @Cyb3rWard0g 2019-08-11 2025-10-17 64e8e417-c19a-475a-8d19-98ea705394cc
1 Alternate PowerShell Hosts Pipe
Detects alternate PowerShell hosts potentially bypassing detections looking for powershell.exe
Generic test pipe_created windows Sysmon - mediumRoberto Rodriguez @Cyb3rWard0g, Tim Shelton 2019-09-12 2025-10-07 58cb02d5-78ce-4692-b3e1-dce850aae41a
2 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 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 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 Bad Opsec Powershell Code Artifacts
focuses on trivial artifacts observed in variants of prevalent offensive ps1 payloads, including
Cob (...)
Generic test ps_module windows PowerShell - criticalok @securonix invrep_de, oscd.community 2020-10-09 2022-12-25 8d31a8ce-46b5-4dd6-bdc3-680931f1db86
3 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 BloodHound Collection Files
Detects default file names outputted by the BloodHound collection tool SharpHound
Generic test file_event windows Sysmon - highC.J. May 2022-08-09 2026-02-19 02773bed-83bf-469f-b7ff-e676e7d78bab
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 bXOR Operator Usage In PowerShell Command Line - PowerShell Classic
Detects powershell execution with that make use of to the bxor (Bitwise XOR). (...)
Hunting test ps_classic_start windows PowerShell - lowTeymur Kheirkhabarov, Harish Segar 2020-06-29 2024-12-11 812837bb-b17f-45e9-8bd0-0ec35d2e3bd6
2 Certificate Exported Via PowerShell
Detects calls to cmdlets that are used to export certificates from the local certificate store. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - mediumNasreddine Bencherchali (Nextron Systems) 2023-05-18 — 9e716b33-63b2-46da-86a4-bd3c3b9b5dfb
3 Change PowerShell Policies to an Insecure Level
Detects changing the PowerShell script execution policy to a potentially insecure level using the "-ExecutionPolicy" flag.
Generic test process_creation windows Sysmon · WinEventLog Security - mediumfrack113 2021-11-01 2025-10-07 87e3c4e8-a6a8-4ad9-bb4f-46e7ff99a180
4 Change PowerShell Policies to an Insecure Level - PowerShell
Detects changing the PowerShell script execution policy to a potentially insecure level using the "Set-ExecutionPolicy" cmdlet.
Generic test ps_script windows PowerShell - mediumfrack113 2021-10-20 2023-12-14 61d0475c-173f-4844-86f7-f3eebae1c66b
3 ChromeLoader Malware Execution
Detects execution of ChromeLoader malware via a registered scheduled task
Emerging test process_creation windows Sysmon · WinEventLog Security - high@kostastsale 2022-01-10 — 0a74c5a9-1b71-4475-9af2-7829d320d5c2
4 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 - 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 - Veeam CVE-2023-27532 Exploitation Activity
This analytic detects exploitation activity of CVE-2023-27532 using Cisco Secure Firewall Intrusion Events. (...)
Generic stable firewall - Cisco Secure Firewall · Cisco mediumNasreddine Bencherchali, Splunk, Talos NTDR 2025-04-16 2026-05-13 7b7c2e92-f0b2-48d2-9c9b-b8de52b6b2ae
2 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
- Cmd.EXE Missing Space Characters Execution Anomaly
Detects Windows command lines that miss a space before or after the /c flag when running a command using the cmd.exe. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - highFlorian Roth (Nextron Systems) 2022-08-23 2026-05-13 a16980c2-0c56-4de0-9a79-17971979efdd
2 Command Line Execution with Suspicious URL and AppData Strings
Detects a suspicious command line execution that includes an URL and AppData string in the command l (...)
Generic test process_creation windows Sysmon · WinEventLog Security - mediumFlorian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community 2019-01-16 2021-11-27 1ac8666b-046f-4201-8aba-1951aaec03a3
2 ConvertTo-SecureString Cmdlet Usage Via CommandLine
Detects usage of the "ConvertTo-SecureString" cmdlet via the commandline. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - mediumTeymur Kheirkhabarov (idea), Vasiliy Burov (rule), oscd.community, Tim Shelton 2020-10-11 2023-02-01 74403157-20f5-415d-89a7-c505779585cf
2 Splunk
CrushFTP Authentication Bypass Exploitation
The following analytic detects potential exploitation of the CrushFTP authentication bypass vulnerability (CVE-2025-31161). (...)
Generic stable file_event - CrushFTP mediumMichael Haag, Splunk 2025-04-14 2026-09-08 82eb7f64-d219-4e21-acfe-956de84c1a35
3 Curl Download And Execute Combination
Adversaries can use curl to download payloads remotely and execute them. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - highSreeman, Nasreddine Bencherchali (Nextron Systems) 2020-01-13 2024-03-05 21dd6d38-2b18-4453-9404-a0fe4a0cc288
1 Splunk
Curl Execution with Percent Encoded URL
The following analytic detects the execution of the curl utility where the command line includes percent-encoded characters and explicit file output options (such as -o or --output). (...)
Anomaly stable process_creation windows · linux CrowdStrike · Sysmon · WinEventLog Security - mediumNasreddine Bencherchali, Splunk 2026-03-03 2026-05-13 9a8d5516-4c5e-11ef-9d42-acde48001122
4 Curl Usage on Linux
Detects a curl process start on linux, which indicates a file download from a remote location or a s (...)
Generic test process_creation linux Sysmon - lowNasreddine Bencherchali (Nextron Systems) 2022-09-15 — ea34fb97-e2c4-4afb-810f-785e4459b194
1 Curl.EXE Execution
Detects a curl process start on Windows, which could indicates a file download from a remote locatio (...)
Hunting test process_creation windows Sysmon · WinEventLog Security - lowFlorian Roth (Nextron Systems) 2022-07-05 2023-02-21 bbeaed61-1990-4773-bf57-b81dbad7db2d
1 CVE-2022-24527 Microsoft Connected Cache LPE
Detects files created during the local privilege exploitation of CVE-2022-24527 Microsoft Connected (...)
Emerging test file_event windows Sysmon highFlorian Roth (Nextron Systems) 2022-04-13 — e0a41412-c69a-446f-8e6e-0e6d7483dad7
1 DarkGate - Autoit3.EXE File Creation By Uncommon Process
Detects the usage of curl.exe, KeyScramblerLogon, or other non-standard/suspicious processes used to create Autoit3.exe. (...)
Emerging test file_event windows Sysmon - mediumMicah Babinski 2023-10-15 — 1a433e1d-03d2-47a6-8063-ece992cf4e73
3 Splunk
Detect Certify Command Line Arguments
The following analytic detects the use of Certify or Certipy tools to enumerate Active Directory Certificate Services (AD CS) environments. (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike - mediumSteven Dick 2023-07-28 2026-05-13 e6d2dc61-a8b9-4b03-906c-da0ca75d71b8
3 Splunk
Detect Certify With PowerShell Script Block Logging
The following analytic detects the use of the Certify tool via an in-memory PowerShell function to enumerate Active Directory Certificate Services (AD CS) environments. (...)
Generic stable ps_script windows PowerShell - mediumSteven Dick 2023-07-28 2026-05-13 f533ca6c-9440-4686-80cb-7f294c07812a
2 Splunk
Detect Empire with PowerShell Script Block Logging
The following analytic detects suspicious PowerShell execution indicative of PowerShell-Empire activity. (...)
Generic stable ps_script windows PowerShell - mediumMichael Haag, Splunk 2021-06-09 2026-05-13 bc1dc6b8-c954-11eb-bade-acde48001122
6 Splunk
Detect Mimikatz With PowerShell Script Block Logging
The following analytic detects the execution of Mimikatz commands via PowerShell by leveraging PowerShell Script Block Logging (EventCode=4104). (...)
Generic stable ps_script windows PowerShell - mediumMichael Haag, Splunk 2021-06-09 2026-05-13 8148c29c-c952-11eb-9255-acde48001122
5 Detection of PowerShell Execution via Sqlps.exe
This rule detects execution of a PowerShell code through the sqlps.exe utility, which is included in the standard set of utilities supplied with the MSSQL Server. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - mediumAgro (@agro_sev) oscd.community 2020-10-10 2022-12-09 0152550d-3a26-4efd-9f0e-54a0b28ae2f3
3