Sigma rules for CVE-2020-10861
56 rules · scoped to cve · back to CVE-2020-10861
Direct rules mention this entity in their title or description. Related rules cover the techniques this entity is known to use.
title: Suspicious Windows ANONYMOUS LOGON Local Account Created
id: 1bbf25b9-8038-4154-a50b-118f2a32be27
status: test
description: Detects the creation of suspicious accounts similar to ANONYMOUS LOGON, such as using additional spaces. Created as an covering detection for exclusion of Logon Type 3 from ANONYMOUS LOGON accounts.
references:
- https://twitter.com/SBousseaden/status/1189469425482829824
author: James Pemberton / @4A616D6573
date: 2019-10-31
modified: 2022-10-09
tags:
- attack.persistence
- attack.t1136.001
- attack.t1136.002
logsource:
product: windows
service: security
detection:
selection:
EventID: 4720
SamAccountName|contains|all:
- 'ANONYMOUS'
- 'LOGON'
condition: selection
falsepositives:
- Unknown
level: high
title: Important Windows Event Auditing Disabled
id: ab4561b1-6c7e-48a7-ad08-087cfb9ce8f1
related:
- id: 69aeb277-f15f-4d2d-b32a-55e883609563
type: derived
status: test
description: Detects scenarios where system auditing for important events such as "Process Creation" or "Logon" events is disabled.
references:
- https://docs.google.com/presentation/d/1dkrldTTlN3La-OjWtkWJBb4hVk6vfsSMBFBERs6R8zA/edit
- https://github.com/SigmaHQ/sigma/blob/ad1bfd3d28aa0ccc9656240f845022518ef65a2e/documentation/logsource-guides/windows/service/security.md
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-06-20
modified: 2023-11-17
tags:
- attack.defense-impairment
- attack.t1685.001
logsource:
product: windows
service: security
definition: dfd8c0f4-e6ad-4e07-b91b-f2fca0ddef64
detection:
selection_state_success_and_failure:
EventID: 4719
SubcategoryGuid:
# Note: Add or remove GUID as you see fit in your env
- '{0CCE9210-69AE-11D9-BED3-505054503030}' # Audit Security State Change
- '{0CCE9211-69AE-11D9-BED3-505054503030}' # Audit Security System Extension
- '{0CCE9212-69AE-11D9-BED3-505054503030}' # Audit System Integrity
- '{0CCE9215-69AE-11D9-BED3-505054503030}' # Audit Logon
- '{0CCE921B-69AE-11D9-BED3-505054503030}' # Audit Special Logon
- '{0CCE922B-69AE-11D9-BED3-505054503030}' # Audit Process Creation
- '{0CCE922F-69AE-11D9-BED3-505054503030}' # Audit Audit Policy Change
- '{0CCE9230-69AE-11D9-BED3-505054503030}' # Audit Authentication Policy Change
- '{0CCE9235-69AE-11D9-BED3-505054503030}' # Audit User Account Management
- '{0CCE9236-69AE-11D9-BED3-505054503030}' # Audit Computer Account Management
- '{0CCE9237-69AE-11D9-BED3-505054503030}' # Audit Security Group Management
- '{0CCE923F-69AE-11D9-BED3-505054503030}' # Audit Credential Validation
- '{0CCE9240-69AE-11D9-BED3-505054503030}' # Audit Kerberos Service Ticket Operations
- '{0CCE9242-69AE-11D9-BED3-505054503030}' # Audit Kerberos Authentication Service
AuditPolicyChanges|contains:
- '%%8448' # This is "Success removed"
- '%%8450' # This is "Failure removed"
selection_state_success_only:
EventID: 4719
SubcategoryGuid: '{0CCE9217-69AE-11D9-BED3-505054503030}' # Audit Account Lockout
AuditPolicyChanges|contains: '%%8448'
condition: 1 of selection_*
falsepositives:
- Unlikely
level: high
title: Windows Filtering Platform Blocked Connection From EDR Agent Binary
id: bacf58c6-e199-4040-a94f-95dea0f1e45a
status: test
description: |
Detects a Windows Filtering Platform (WFP) blocked connection event involving common Endpoint Detection and Response (EDR) agents.
Adversaries may use WFP filters to prevent Endpoint Detection and Response (EDR) agents from reporting security events.
references:
- https://github.com/netero1010/EDRSilencer
- https://github.com/amjcyber/EDRNoiseMaker
- https://ghoulsec.medium.com/misc-series-4-forensics-on-edrsilencer-events-428b20b3f983
author: '@gott_cyber'
date: 2024-01-08
tags:
- attack.defense-impairment
- attack.t1685
logsource:
product: windows
service: security
definition: 'Requirements: Audit Filtering Platform Connection needs to be enabled'
detection:
selection:
EventID: 5157
Application|endswith:
- '\AmSvc.exe' # Cybereason
- '\cb.exe' # Carbon Black EDR
- '\CETASvc.exe' # TrendMicro Apex One
- '\CNTAoSMgr.exe' # TrendMicro Apex One
- '\CrAmTray.exe' # Cybereason
- '\CrsSvc.exe' # Cybereason
- '\CSFalconContainer.exe' # CrowdStrike Falcon
- '\CSFalconService.exe' # CrowdStrike Falcon
- '\CybereasonAV.exe' # Cybereason
- '\CylanceSvc.exe' # Cylance
- '\cyserver.exe' # Palo Alto Networks Traps/Cortex XDR
- '\CyveraService.exe' # Palo Alto Networks Traps/Cortex XDR
- '\CyvrFsFlt.exe' # Palo Alto Networks Traps/Cortex XDR
- '\EIConnector.exe' # ESET Inspect
- '\elastic-agent.exe' # Elastic EDR
- '\elastic-endpoint.exe' # Elastic EDR
- '\EndpointBasecamp.exe' # TrendMicro Apex One
- '\ExecutionPreventionSvc.exe' # Cybereason
- '\filebeat.exe' # Elastic EDR
- '\fortiedr.exe' # FortiEDR
- '\hmpalert.exe' # Sophos EDR
- '\hurukai.exe' # Harfanglab EDR
- '\LogProcessorService.exe' # SentinelOne
- '\mcsagent.exe' # Sophos EDR
- '\mcsclient.exe' # Sophos EDR
- '\MsMpEng.exe' # Microsoft Defender for Endpoint and Microsoft Defender Antivirus
- '\MsSense.exe' # Microsoft Defender for Endpoint and Microsoft Defender Antivirus
- '\Ntrtscan.exe' # TrendMicro Apex One
- '\PccNTMon.exe' # TrendMicro Apex One
- '\QualysAgent.exe' # Qualys EDR
- '\RepMgr.exe' # Carbon Black Cloud
- '\RepUtils.exe' # Carbon Black Cloud
- '\RepUx.exe' # Carbon Black Cloud
- '\RepWAV.exe' # Carbon Black Cloud
- '\RepWSC.exe' # Carbon Black Cloud
- '\sedservice.exe' # Sophos EDR
- '\SenseCncProxy.exe' # Microsoft Defender for Endpoint and Microsoft Defender Antivirus
- '\SenseIR.exe' # Microsoft Defender for Endpoint and Microsoft Defender Antivirus
- '\SenseNdr.exe' # Microsoft Defender for Endpoint and Microsoft Defender Antivirus
- '\SenseSampleUploader.exe' # Microsoft Defender for Endpoint and Microsoft Defender Antivirus
- '\SentinelAgent.exe' # SentinelOne
- '\SentinelAgentWorker.exe' # SentinelOne
- '\SentinelBrowserNativeHost.exe' # SentinelOne
- '\SentinelHelperService.exe' # SentinelOne
- '\SentinelServiceHost.exe' # SentinelOne
- '\SentinelStaticEngine.exe' # SentinelOne
- '\SentinelStaticEngineScanner.exe' # SentinelOne
- '\sfc.exe' # Cisco Secure Endpoint (Formerly Cisco AMP)
- '\sophos ui.exe' # Sophos EDR
- '\sophosfilescanner.exe' # Sophos EDR
- '\sophosfs.exe' # Sophos EDR
- '\sophoshealth.exe' # Sophos EDR
- '\sophosips.exe' # Sophos EDR
- '\sophosLivequeryservice.exe' # Sophos EDR
- '\sophosnetfilter.exe' # Sophos EDR
- '\sophosntpservice.exe' # Sophos EDR
- '\sophososquery.exe' # Sophos EDR
- '\sspservice.exe' # Sophos EDR
- '\TaniumClient.exe' # Tanium
- '\TaniumCX.exe' # Tanium
- '\TaniumDetectEngine.exe' # Tanium
- '\TMBMSRV.exe' # TrendMicro Apex One
- '\TmCCSF.exe' # TrendMicro Apex One
- '\TmListen.exe' # TrendMicro Apex One
- '\TmWSCSvc.exe' # TrendMicro Apex One
- '\Traps.exe' # Palo Alto Networks Traps/Cortex XDR
- '\winlogbeat.exe' # Elastic EDR
- '\WSCommunicator.exe' # TrendMicro Apex One
- '\xagt.exe' # Trellix EDR
condition: selection
falsepositives:
- Unlikely
level: high
title: Windows Defender Threat Detected
id: 57b649ef-ff42-4fb0-8bf6-62da243a1708
status: stable
description: Detects actions taken by Windows Defender malware detection engines
references:
- https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus
author: Ján Trenčanský
date: 2020-07-28
tags:
- attack.execution
- attack.t1059
logsource:
product: windows
service: windefend
detection:
selection:
EventID:
- 1006 # The antimalware engine found malware or other potentially unwanted software.
- 1015 # The antimalware platform detected suspicious behavior.
- 1116 # The antimalware platform detected malware or other potentially unwanted software.
- 1117 # he antimalware platform performed an action to protect your system from malware or other potentially unwanted software.
condition: selection
falsepositives:
- Unlikely
level: high
title: Windows Defender Configuration Changes
id: 801bd44f-ceed-4eb6-887c-11544633c0aa
related:
- id: 1321dc4e-a1fe-481d-a016-52c45f0c8b4f
type: similar
- id: a3ab73f1-bd46-4319-8f06-4b20d0617886
type: similar
- id: 91903aba-1088-42ee-b680-d6d94fe002b0
type: similar
status: stable
description: Detects suspicious changes to the Windows Defender configuration
references:
- https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide
- https://bidouillesecurity.com/disable-windows-defender-in-powershell/#DisableAntiSpyware
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-06
modified: 2023-11-24
tags:
- attack.defense-impairment
- attack.t1685
logsource:
product: windows
service: windefend
detection:
selection:
EventID: 5007 # The antimalware platform configuration changed.
NewValue|contains:
# TODO: Add more suspicious values
- '\Windows Defender\DisableAntiSpyware '
# - '\Windows Defender\Features\TamperProtection ' # Might produce FP
- '\Windows Defender\Scan\DisableRemovableDriveScanning '
- '\Windows Defender\Scan\DisableScanningMappedNetworkDrivesForFullScan '
- '\Windows Defender\SpyNet\DisableBlockAtFirstSeen '
- '\Real-Time Protection\SpyNetReporting '
# Exclusions changes are covered in 1321dc4e-a1fe-481d-a016-52c45f0c8b4f
# Exploit guard changes are covered in a3ab73f1-bd46-4319-8f06-4b20d0617886
condition: selection
falsepositives:
- Administrator activity (must be investigated)
level: high
title: Windows Defender Grace Period Expired
id: 360a1340-398a-46b6-8d06-99b905dc69d2
related:
- id: fe34868f-6e0e-4882-81f6-c43aa8f15b62
type: obsolete
status: stable
description: |
Detects the expiration of the grace period of Windows Defender. This means protection against viruses, spyware, and other potentially unwanted software is disabled.
references:
- https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide#event-id-5101
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md
- https://craigclouditpro.wordpress.com/2020/03/04/hunting-malicious-windows-defender-activity/
author: Ján Trenčanský, frack113
date: 2020-07-28
modified: 2023-11-22
tags:
- attack.defense-impairment
- attack.t1685
logsource:
product: windows
service: windefend
detection:
selection:
EventID: 5101 # The antimalware platform is expired.
condition: selection
falsepositives:
- Unknown
level: high