Access To Windows Outlook Mail Files By Uncommon Applications
Detects file access requests to Windows Outlook Mail by uncommon processes. (...)
Hunting test file_access windows - - lowfrack113 2024-05-10 2024-07-29 fc3e237f-2fef-406c-b90d-b3ae7e02fa8f
2 Splunk
Add or Set Windows Defender Exclusion
The following analytic detects the use of commands to add or set exclusions
in Windows Defender. It (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike - mediumTeoderick Contreras, Nasreddine Bencherchali, Splunk 2021-11-25 2026-06-08 773b66fe-4dd9-11ec-8289-acde48001122
4 Add SafeBoot Keys Via Reg Utility
Detects execution of "reg.exe" commands with the "add" or "copy" flags on safe boot registry keys. (...)
Generic test process_creation windows Sysmon · WinEventLog Security - highNasreddine Bencherchali (Nextron Systems) 2022-09-02 2024-03-19 d7662ff6-9e97-4596-a61d-9839e32dee8d
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 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 AMSI Bypass Pattern Assembly GetType
Detects code fragments found in small and obfuscated AMSI bypass PowerShell scripts
Generic test ps_script windows PowerShell - highFlorian Roth (Nextron Systems) 2022-11-09 — e0d6c087-2d1c-47fd-8799-3904103c5a98
2 AMSI Disabled via Registry Modification
Detects attempts to disable AMSI (Anti-Malware Scan Interface) by modifying the AmsiEnable registry value. (...)
Generic experimental registry_set windows Sysmon · WinEventLog Security - highSwachchhanda Shrawan Poudel (Nextron Systems) 2025-12-25 — aa37cbb0-da36-42cb-a90f-fdf216fc7467
3 Antivirus Filter Driver Disallowed On Dev Drive - Registry
Detects activity that indicates a user disabling the ability for Antivirus mini filter to inspect a "Dev Drive".
Generic test registry_set windows Sysmon · WinEventLog Security - high@kostastsale, Nasreddine Bencherchali (Nextron Systems) 2023-11-05 2024-08-16 31e124fb-5dc4-42a0-83b3-44a69c77b271
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 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 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 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 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 ASLR Disabled Via Sysctl or Direct Syscall - Linux
Detects actions that disable Address Space Layout Randomization (ASLR) in Linux, including:
- Use (...)
Generic experimental process_creation linux Linux Auditd - highMilad Cheraghi 2025-05-26 2025-12-05 e497a24e-9345-4a62-9803-b06d7d7cb132
4 Splunk
Attacker Tools On Endpoint
The following analytic detects the execution of tools commonly exploited by cybercriminals, such as those used for unauthorized access, network scanning, privilege escalation, password dumping or data exfiltration. (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike · Cisco NVM · Cisco - mediumBhavin Patel, Splunk, sventec, Github Community 2021-07-12 2026-09-22 a51bfe1a-94f0-48cc-b4e4-16a110145893
- Auditing Configuration Changes on Linux Host
Detect changes in auditd configuration files
Generic test file_event linux Linux Auditd - highMikhail Larin, oscd.community 2019-10-25 2021-11-27 977ef627-4539-4875-adf4-ed8f780c4922
2 AWS Bedrock Guardrail Deleted
Detects deletion of an Amazon Bedrock guardrail, which may indicate attempts to remove
model safety (...)
Generic experimental cloud_audit - AWS CloudTrail · AWS - mediumMarco Pedrinazzi (@pedrinazziM) (InTheCyber) 2026-07-10 — 59b70e4d-dd17-44a9-b740-acf07ae3eb6a
1 AWS Bedrock Guardrail Updated
Detects updates to an Amazon Bedrock guardrail, which may indicate attempts to weaken
model safety c (...)
Generic experimental cloud_audit - AWS CloudTrail · AWS - mediumMarco Pedrinazzi (@pedrinazziM) (InTheCyber) 2026-07-10 — 1c722651-254a-4b04-a9f4-99b62a2d0a1f
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 AWS GuardDuty Detector Deleted Or Updated
Detects successful deletion or disabling of an AWS GuardDuty detector, possibly by an attacker trying to avoid detection of its malicious activities. (...)
Generic experimental cloud_audit - AWS CloudTrail · AWS - highsuktech24 2025-11-27 — d2656e78-c069-4571-8220-9e0ab5913f19
12 AWS GuardDuty Important Change
Detects updates of the GuardDuty list of trusted IPs, perhaps to disable security alerts against malicious IPs.
Generic test cloud_audit - AWS CloudTrail · AWS - highfaloker 2020-02-11 2022-10-09 6e61ee20-ce00-4f8d-8aee-bedd8216f7e3
1 AWS Macie Evasion
Detects evade to Macie detection.
Unsupported unsupported cloud_audit - AWS CloudTrail · AWS - mediumSittikorn S 2021-07-06 2023-03-24 91f6a16c-ef71-437a-99ac-0b070e3ad221
1 AWS SecurityHub Findings Evasion
Detects the modification of the findings on SecurityHub.
Generic stable cloud_audit - AWS CloudTrail · AWS - highSittikorn S 2021-06-28 — a607e1fe-74bf-4440-a3ec-b059b9103157
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 Splunk
Azure AD Block User Consent For Risky Apps Disabled
The following analytic detects when the risk-based step-up consent security setting in Azure AD is disabled. (...)
Generic stable account_management - Microsoft 365 - mediumMauricio Velazco, Splunk 2023-11-16 2026-05-13 875de3d7-09bc-4916-8c0a-0929f4ced3d8
4 Azure Kubernetes Events Deleted
Detects when Events are deleted in Azure Kubernetes. (...)
Generic test cloud_audit - Azure Activity Logs · Azure - mediumAustin Songer @austinsonger 2021-07-24 2022-08-23 225d8b09-e714-479c-a0e4-55e6f29adf35
2 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 Binary Padding - Linux
Adversaries may use binary padding to add junk data and change the on-disk representation of malware. (...)
Generic test process_creation linux Linux Auditd - highIgor Fits, oscd.community 2020-10-13 2023-05-03 c52a914f-3d8b-4b2a-bb75-b3991e75f8ba
1 Binary Padding - MacOS
Adversaries may use binary padding to add junk data and change the on-disk representation of malware. (...)
Generic test process_creation macos - - highIgor Fits, Mikhail Larin, oscd.community 2020-10-19 2023-02-17 95361ce5-c891-4b0a-87ca-e24607884a96
3 Bitbucket Audit Log Configuration Updated
Detects changes to the bitbucket audit log configuration.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — 6aa12161-235a-4dfb-9c74-fe08df8d8da1
1 Bitbucket Global Secret Scanning Rule Deleted
Detects Bitbucket global secret scanning rule deletion activity.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — e16cf0f0-ee88-4901-bd0b-4c8d13d9ee05
2 Bitbucket Global SSH Settings Changed
Detects Bitbucket global SSH access configuration changes.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - mediumMuhammad Faisal (@faisalusuf) 2024-02-25 — 16ab6143-510a-44e2-a615-bdb80b8317fc
2 Bitbucket Project Secret Scanning Allowlist Added
Detects when a secret scanning allowlist rule is added for projects.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - lowMuhammad Faisal (@faisalusuf) 2024-02-25 — 42ccce6d-7bd3-4930-95cd-e4d83fa94a30
2 Bitbucket Secret Scanning Exempt Repository Added
Detects when a repository is exempted from secret scanning feature.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - highMuhammad Faisal (@faisalusuf) 2024-02-25 — b91e8d5e-0033-44fe-973f-b730316f23a1
2 Bitbucket Secret Scanning Rule Deleted
Detects when secret scanning rule is deleted for the project or repository.
Generic test cloud_audit - Bitbucket Audit · Bitbucket - lowMuhammad Faisal (@faisalusuf) 2024-02-25 — ff91e3f0-ad15-459f-9a85-1556390c138d
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 BPFDoor Abnormal Process ID or Lock File Accessed
detects BPFDoor .lock and .pid files access in temporary file storage facility
Generic test file_event linux Linux Auditd - highRafal Piasecki 2022-08-10 2026-03-30 808146b2-9332-4d78-9416-d7e47012d83d
4 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 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 Splunk
Check Elevated CMD using whoami
The following analytic identifies the execution of the "whoami" command with the "/group" flag, where the results are passed to the "find" command in order to look for a the string "12288". (...)
Generic stable process_creation windows Sysmon · WinEventLog Security · CrowdStrike - mediumTeoderick Contreras, Splunk 2021-09-14 2026-05-13 a9079b18-1633-11ec-859c-acde48001122
- Chopper Webshell Process Pattern
Detects patterns found in process executions cause by China Chopper like tiny (ASPX) webshells
Generic test process_creation windows Sysmon · WinEventLog Security highFlorian Roth (Nextron Systems), MSTI (query) 2022-10-01 — fa3c117a-bc0d-416e-a31b-0c0e80653efb
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 - Core Syslog Message Volume Drop
Adversaries may intentionally suppress or reduce the volume of core Cisco ASA syslog messages to evade detection or cover their tracks. (...)
Hunting stable firewall - Cisco Secure Firewall · Cisco mediumBhavin Patel, Micheal Haag, Splunk 2025-09-25 2026-05-13 4b4f8fdd-1f9e-45d8-9b0f-1f64c0b297a4
8 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