Access To Browser Credential Files By Uncommon Applications - Security
Detects file access requests to browser credential stores by uncommon processes. (...)
Hunting test file_event windows WinEventLog Security - lowDaniel Koifman (@Koifsec), Nasreddine Bencherchali 2024-10-21 — 4b60e527-ec73-4b47-8cb3-f02ad927ca65
1 Access to Browser Login Data
Adversaries may acquire credentials from web browsers by reading files specific to the target browser. (...)
Generic test ps_script windows PowerShell - mediumfrack113 2022-01-30 — fc028194-969d-4122-8abe-0470d5b8f12f
1 Access To Windows Credential History File By Uncommon Applications
Detects file access requests to the Windows Credential History File by an uncommon application. (...)
Generic test file_access windows - - mediumNasreddine Bencherchali (Nextron Systems) 2022-10-17 2024-07-29 7a2a22ea-a203-4cd3-9abf-20eb1c5c6cd2
2 Access To Windows DPAPI Master Keys By Uncommon Applications
Detects file access requests to the the Windows Data Protection API Master keys by an uncommon application. (...)
Generic test file_access windows - - mediumNasreddine Bencherchali (Nextron Systems) 2022-10-17 2026-07-28 46612ae6-86be-4802-bc07-39b59feb1309
2 Adwind RAT / JRAT
Detects javaw.exe in AppData folder as used by Adwind / JRAT
Emerging test process_creation windows Sysmon · WinEventLog Security - highFlorian Roth (Nextron Systems), Tom Ueltschi, Jonhnathan Ribeiro, oscd.community 2017-11-10 2022-10-09 1fac1481-2dbc-48b2-9096-753c49b4ec71
2 Adwind RAT / JRAT File Artifact
Detects javaw.exe in AppData folder as used by Adwind / JRAT
Generic test file_event windows Sysmon - highFlorian Roth (Nextron Systems), Tom Ueltschi, Jonhnathan Ribeiro, oscd.community 2017-11-10 2022-12-02 0bcfabcb-7929-47f4-93d6-b33fb67d34d1
2 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 APT User Agent
Detects suspicious user agent strings used in APT malware in proxy logs
Generic test proxy - - - highFlorian Roth (Nextron Systems), Markus Neis 2019-11-12 2024-02-15 6ec820f2-e963-4801-9127-d8b2dce4d31b
1 APT40 Dropbox Tool User Agent
Detects suspicious user agent string of APT40 Dropbox tool
Emerging test proxy - - - highThomas Patzke 2019-11-12 2023-05-18 5ba715b6-71b7-44fd-8245-f66893e81b3d
1 Automated Collection Bookmarks Using Get-ChildItem PowerShell
Adversaries may enumerate browser bookmarks to learn more about compromised hosts. (...)
Generic test ps_script windows PowerShell - lowfrack113 2021-12-13 2022-12-25 e0565f5d-d420-4e02-8a68-ac00d864f9cf
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 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 Axios NPM Compromise Malicious C2 Domain DNS Query
Detects DNS queries for the malicious C2 domain associated with the plain-crypto-js/Axios npm package supply chain compromise. (...)
Emerging experimental dns - - - highSwachchhanda Shrawan Poudel (Nextron Systems) 2026-04-01 — 73e5d24f-493f-4092-bd2f-c72cabda40ee
6 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 Bitbucket User Details Export Attempt Detected
Detects user data export activity.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — 5259cbf2-0a75-48bf-b57a-c54d6fabaef3
2 Bitbucket User Permissions Export Attempt
Detects user permission data export attempt.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — 87cc6698-3e07-4ba2-9b43-a85a73e151e2
2 Bitsadmin to Uncommon IP Server Address
Detects Bitsadmin connections to IP addresses instead of FQDN names
Generic test proxy - - - highFlorian Roth (Nextron Systems) 2022-06-10 2022-08-24 8ccd35a2-1c7c-468b-b568-ac6cdf80eec3
1 Bitsadmin to Uncommon TLD
Detects Bitsadmin connections to domains with uncommon TLDs
Generic test proxy - - - highFlorian Roth (Nextron Systems), Tim Shelton 2019-03-07 2026-09-30 9eb68894-7476-4cd6-8752-23b51f5883a7
2 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 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 Splunk
CertUtil With Decode Argument
The following analytic detects the use of CertUtil.exe with the 'decode' argument, which may indicate an attempt to decode a previously encoded file, potentially containing malicious payloads. (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike - mediumMichael Haag, Splunk 2021-03-25 2026-10-02 bfe94226-8c10-11eb-a4b3-acde48001122
5 Chafer Malware URL Pattern
Detects HTTP request used by Chafer malware to receive data from its C2.
Emerging test proxy - - - highFlorian Roth (Nextron Systems) 2019-01-31 2024-02-15 fb502828-2db0-438e-93e6-801c7548686d
1 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 Change User Agents with WebRequest
Adversaries may communicate using application layer protocols associated with web traffic to avoid detection/network filtering by blending in with existing traffic. (...)
Generic test ps_script windows PowerShell - mediumfrack113 2022-01-23 2025-07-18 d4488827-73af-4f8d-9244-7b7662ef046e
1 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 ASA - Reconnaissance Command Activity
This analytic detects potential reconnaissance activities on Cisco ASA devices by identifying execution of multiple information-gathering "show" commands within a short timeframe. (...)
Anomaly stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-11-21 2026-05-13 6e9d4f7a-3c8b-4a9e-8d2f-7b5c9e1a6f3d
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 Splunk
Cisco IOS XE Reconnaissance Command Activity
This analytic detects bursts of Cisco IOS or NX-OS discovery commands associated with Salt Typhoon tradecraft. (...)
Anomaly stable network_device - Cisco IOS · Cisco - mediumNasreddine Bencherchali 2026-05-19 2026-05-20 71ac5328-2364-40cf-8381-92b8dc531399
2 Splunk
Cisco NVM - MSHTML or MSHTA Network Execution Without URL in CLI
This analytic detects suspicious use of 'mshta.exe' or 'rundll32.exe' invoking 'mshtml.dll'
or the ' (...)
Anomaly stable network_connection - Cisco NVM · Cisco - mediumNasreddine Bencherchali, Splunk 2025-07-01 2026-09-22 f2a9df84-9b01-4a21-9e3a-7aa1a217f69e
4 Splunk
Cisco NVM - Osascript Network Connection for a Long Duration
This analytic detects the usage of the Utility osascript on a macOS device initiated a network connection lasting longer than 10 minutes (600 seconds). (...)
Anomaly stable network_connection - Cisco NVM · Cisco - mediumRadka Viskova, Splunk 2026-09-18 2026-09-22 6bc88a9d-f7de-4257-b526-acf15bc5a517
5 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 Splunk
Cisco Secure Firewall - Blacklisted SSL Certificate Fingerprint
The following analytic detects the use of known suspicious SSL certificates in any observed event where the SSL_CertFingerprint field is present. (...)
Generic stable firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-03 2026-09-22 c43f7b49-2dab-4e76-892e-7f971c2f20f1
1 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 - 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 - Possibly Compromised Host
The following analytic highlights high-impact intrusion events assigned by Cisco Secure Firewall. (...)
Anomaly experimental firewall - Cisco Secure Firewall · Cisco - mediumNasreddine Bencherchali, Splunk 2025-04-16 2026-05-13 244a77bb-3b2a-46f1-bf2c-b4f7cd29276d
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 Cloudflared Tunnels Related DNS Requests
Detects DNS requests to Cloudflared tunnels domains. (...)
Generic test dns windows Sysmon - mediumNasreddine Bencherchali (Nextron Systems) 2023-12-20 — a1d9eec5-33b2-4177-8d24-27fe754d0812
2 CMD Shell Output Redirect
Detects the use of the redirection character ">" to redirect information on the command line. (...)
Hunting test process_creation windows Sysmon · WinEventLog Security - lowfrack113 2022-01-22 2024-03-19 4f4eaa9f-5ad4-410c-a4be-bc6132b0175a
1 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 ComRAT Network Communication
Detects Turla ComRAT network communication.
Emerging test proxy - - - highFlorian Roth (Nextron Systems) 2020-05-26 2024-02-26 7857f021-007f-4928-8b2c-7aedbe64bb82
1 Container Residence Discovery Via Proc Virtual FS
Detects potential container discovery via listing of certain kernel features in the "/proc" virtual (...)
Generic test process_creation linux Sysmon - lowSeth Hanford 2023-08-23 — 746c86fb-ccda-4816-8997-01386263acc4
2