Query: rule covering Alert on when legacy authentication has been used on an account
Matching passage: Sigma rule: Alert on when legacy authentication has been used on an account. Logsource: azure / signinlogs. Rule: title: Use of Legacy Authentication Protocols id: 60f6535a-760f-42a9-be3f-c9a0a025906e status: test description: Alert on when legacy authentication has been used on an account references: - https://learn.microsoft.com/en-gb/entra/architecture/security-operations-privileged-accounts author: Yochana Henderson, '@Yochana-H' date: 2022-06-17 tags: - attack.privilege-escalation - attack.persistence - attack.initial-access - attack.credential-access - attack.stealth - attack.t1078.004 - attack.t1110 logsource: product: azure service: signinlogs detection: selection: ActivityDetails: Sign-ins ClientApp: - Other client - IMAP - POP3 - MAPI - SMTP - Exchange ActiveSync - Exchange Web Services Username: UPN condition: selection falsepositives: - User has been put in acception group so they can use legacy authentication level: high
Near-miss passage: Sigma rule: Detects modification of autostart extensibility point (ASEP) in registry. Adversaries may modify these keys to execute m. Logsource: windows / registry_set. Rule: title: Office Autorun Keys Modification id: baecf8fb-edbf-429f-9ade-31fc3f22b970 related: - id: 17f878b8-9968-4578-b814-c4217fc5768c type: obsolete status: test description: 'Detects modification of autostart extensibility point (ASEP) in registry. Adversaries may modify these keys to execute malicious code when Office files are opened. There are various legitimate add-ins that also use these keys and this filter list might not be exhaustive. Thus, it is recommended to review and tune filters for your environment to reduce false positives before deploying to production. ' references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1547.001/T1547.001.md - https://learn.microsoft.com/en-us/sysinternals/downloads/autoruns - https://gist.github.com/GlebSukhodolskiy/0fc5fa5f482903064b448890db1eaf9d author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split) date: 2019-10-25 modified: 2026-01-09 tags: - attack.privilege-escalation - attack.persistence - attack.t1547.001 logsource: category: registry_set product: windows detection: selection_office_root: TargetObject|contains: - \Software\Wow6432Node\Microsoft\Office - \Software\Microsoft\Office selection_office_details: TargetObject|contains: - \Word\Addins - \PowerPoint\Addins - \Outlook\Addins - \Onenote\Addins - \Excel\Addins - \Access\Addins - test\Special\Perf filter_main_empty: Details: (Empty) filter_main_null: Details: null filter_main_known_addins: Image|startswith: - C:\Program Files\Microsoft Office\ - C:\Program Files (x86)\Microsoft Office\ - C:\PROGRA~2\MICROS~2\Office - C:\Windows\System32\msiexec.exe - C:\Windows\SysWOW64\msiexec.exe - C:\Windows\System32\regsvr32.exe - 'C:\Windows\SysWOW64\regsvr32.exe ' TargetObject|contains: - \Excel\Addins\AdHocReportingExcelClientLib.AdHocReportingExcelClientAddIn.1\ - \Excel\Addins\ExcelPlugInShell.PowerMapConnect\ - \Excel\Addins\NativeShim\ - \Excel\Addins\NativeShim.InquireConnector.1\ - \Excel\Addins\PowerPivotExcelClientAddIn.NativeEntry.1\ - \Outlook\AddIns\AccessAddin.DC\ - \Outlook\AddIns\ColleagueImport.ColleagueImportAddin\ - \Outlook\AddIns\EvernoteCC.EvernoteContactConnector\ - \Outlook\AddIns\EvernoteOLRD.Connect\ - \Outlook\Addins\\OneNote.OutlookAddin - \Outlook\Addins\DriveFSExtensionLib.Connect\ - \Outlook\Addins\GoogleAppsSync.Connect\ - \Outlook\Addins\Microsoft.VbaAddinForOutlook.1\ - \Outlook\Addins\OcOffice.OcFo