Sigma rule: CurrentVersion Autorun Keys Modification

Rule

Title

CurrentVersion Autorun Keys Modification

Status

test

Level

medium

Author

Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split)

Date

2019-10-25

Modified

2025-10-22

File

rules/windows/registry/registry_set/registry_set_asep_reg_keys_modification_currentversion.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects modification of autostart extensibility point (ASEP) in registry.

Log source

product

windows

category

registry_set

Detection

selection_current_version_base:
    TargetObject|contains: '\SOFTWARE\Microsoft\Windows\CurrentVersion'
selection_current_version_keys:
    TargetObject|contains:
        - '\ShellServiceObjectDelayLoad'
        - '\Run\'
        - '\RunOnce\'
        - '\RunOnceEx\'
        - '\RunServices\'
        - '\RunServicesOnce\'
        - '\Policies\System\Shell'
        - '\Policies\Explorer\Run'
        - '\Group Policy\Scripts\Startup'
        - '\Group Policy\Scripts\Shutdown'
        - '\Group Policy\Scripts\Logon'
        - '\Group Policy\Scripts\Logoff'
        - '\Explorer\ShellServiceObjects'
        - '\Explorer\ShellIconOverlayIdentifiers'
        - '\Explorer\ShellExecuteHooks'
        - '\Explorer\SharedTaskScheduler'
        - '\Explorer\Browser Helper Objects'
        - '\Authentication\PLAP Providers'
        - '\Authentication\Credential Providers'
        - '\Authentication\Credential Provider Filters'
filter_main_generic_all:
    - Details: '(Empty)'
    - TargetObject|endswith: '\NgcFirst\ConsecutiveSwitchCount'
    - Image|endswith:
          - '\AppData\Local\Microsoft\OneDrive\Update\OneDriveSetup.exe' # C:\Users\*\AppData\Local\Microsoft\OneDrive\Update\OneDriveSetup.exe
          - '\AppData\Roaming\Spotify\Spotify.exe'
          - '\AppData\Local\WebEx\WebexHost.exe'
    - Image:
          - 'C:\WINDOWS\system32\devicecensus.exe'
          - 'C:\Windows\system32\winsat.exe'
          - 'C:\Program Files\Microsoft OneDrive\StandaloneUpdater\OneDriveSetup.exe'
          - 'C:\Program Files (x86)\Microsoft OneDrive\StandaloneUpdater\OneDriveSetup.exe'
          - 'C:\Program Files\Microsoft OneDrive\Update\OneDriveSetup.exe'
          - 'C:\Program Files (x86)\Microsoft OneDrive\Update\OneDriveSetup.exe'
          - 'C:\Program Files\Microsoft Office\root\integration\Addons\OneDriveSetup.exe'
          - 'C:\Program Files (x86)\Microsoft Office\root\integration\Addons\OneDriveSetup.exe'
          - 'C:\Program Files\KeePass Password Safe 2\ShInstUtil.exe'
          - 'C:\Program Files\Everything\Everything.exe'
          - 'C:\Program Files (x86)\Microsoft Office\root\integration\integrator.exe'
          - 'C:\Program Files\Microsoft Office\root\integration\integrator.exe'
filter_main_null:
    Details: null
filter_main_logonui:
    Image: 'C:\Windows\system32\LogonUI.exe'
    TargetObject|contains:
        - '\Authentication\Credential Providers\{D6886603-9D2F-4EB2-B667-1971041FA96B}\'  # PIN
        - '\Authentication\Credential Providers\{BEC09223-B018-416D-A0AC-523971B639F5}\'  # fingerprint
        - '\Authentication\Credential Providers\{8AF662BF-65A0-4D0A-A540-A338A999D36F}\'  # facial recognizion
        - '\Authentication\Credential Providers\{27FBDB57-B613-4AF2-9D7E-4FA7A66C21AD}\'  # Trusted Signal (Phone proximity, Network location)
filter_main_edge:
    Image|startswith:
        - 'C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\'
        - 'C:\Program Files (x86)\Microsoft\EdgeWebView\'
        - 'C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe'
filter_main_defender:
    Image: 'C:\Program Files\Windows Defender\MsMpEng.exe'
filter_main_teams:
    Image|endswith: '\Microsoft\Teams\current\Teams.exe'
    Details|contains: '\Microsoft\Teams\Update.exe --processStart '
filter_main_ctfmon:
    Image: 'C:\Windows\system32\userinit.exe'
    Details: 'ctfmon.exe /n'
filter_optional_dropbox:
    Image: 'C:\Windows\system32\regsvr32.exe'
    TargetObject|contains: 'DropboxExt'
    Details|endswith: 'A251-47B7-93E1-CDD82E34AF8B}'
filter_optional_opera_1:
    TargetObject|endswith: '\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Opera Browser Assistant'
    Details: 'C:\Program Files\Opera\assistant\browser_assistant.exe'
filter_optional_opera_2:
    TargetObject|endswith: '\Software\Microsoft\Windows\CurrentVersion\Run\Opera Stable'
    Details:
        - 'C:\Program Files\Opera\launcher.exe'
        - 'C:\Program Files (x86)\Opera\launcher.exe'
filter_optional_itunes:
    TargetObject|endswith: '\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iTunesHelper'
    Details: '"C:\Program Files\iTunes\iTunesHelper.exe"'
filter_optional_zoom:
    TargetObject|endswith: '\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\zoommsirepair'
    Details: '"C:\Program Files\Zoom\bin\installer.exe" /repair'
filter_optional_greenshot:
    TargetObject|endswith: '\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Greenshot'
    Details: 'C:\Program Files\Greenshot\Greenshot.exe'
filter_optional_googledrive1:
    TargetObject|endswith: '\Software\Microsoft\Windows\CurrentVersion\Run\GoogleDriveFS'
    Details|startswith: 'C:\Program Files\Google\Drive File Stream\'
    Details|contains: '\GoogleDriveFS.exe'
filter_optional_googledrive2:
    TargetObject|contains: 'GoogleDrive'
    Details:
        - '{CFE8B367-77A7-41D7-9C90-75D16D7DC6B6}'
        - '{A8E52322-8734-481D-A7E2-27B309EF8D56}'
        - '{C973DA94-CBDF-4E77-81D1-E5B794FBD146}'
        - '{51EF1569-67EE-4AD6-9646-E726C3FFC8A2}'
filter_optional_onedrive:
    Details|startswith:
        - 'C:\Windows\system32\cmd.exe /q /c rmdir /s /q "C:\Users\'
        - 'C:\Windows\system32\cmd.exe /q /c del /q "C:\Users\'
    Details|contains: '\AppData\Local\Microsoft\OneDrive\'
filter_optional_python:
    TargetObject|contains: '\Microsoft\Windows\CurrentVersion\RunOnce\{'
    Details|contains|all:
        - '\AppData\Local\Package Cache\{'
        - '}\python-'
    Details|endswith: '.exe" /burn.runonce'
filter_optional_officeclicktorun:
    Image|startswith:
        - 'C:\Program Files\Common Files\Microsoft Shared\ClickToRun\'
        - 'C:\Program Files (x86)\Common Files\Microsoft Shared\ClickToRun\'
    Image|endswith: '\OfficeClickToRun.exe'
filter_optional_teams:
    Image|endswith: '\Microsoft\Teams\current\Teams.exe'
    Details|contains: '\Microsoft\Teams\Update.exe --processStart'
filter_optional_AVG_setup:
    Image|contains:
        - 'C:\Program Files\AVG\Antivirus\Setup\'
        - 'C:\Program Files (x86)\AVG\Antivirus\Setup\'
        - '\instup.exe'
    Details:
        - '"C:\Program Files\AVG\Antivirus\AvLaunch.exe" /gui'
        - '"C:\Program Files (x86)\AVG\Antivirus\AvLaunch.exe" /gui'
        - '{472083B0-C522-11CF-8763-00608CC02F24}'
        - '{472083B1-C522-11CF-8763-00608CC02F24}'
filter_optional_Avast:
    Image|contains:
        - 'C:\Program Files\Avast Software\Avast\Setup\'
        - 'C:\Program Files (x86)\Avast Software\Avast\Setup\'
        - '\instup.exe'
    Details:
        - '"C:\Program Files\Avast Software\Avast\AvLaunch.exe" /gui'
        - '"C:\Program Files (x86)\Avast Software\Avast\AvLaunch.exe" /gui'
filter_optional_AVG_avgtoolsvc:
    Image:
        - 'C:\Program Files\AVG\Antivirus\avgToolsSvc.exe'
        - 'C:\Program Files (x86)\AVG\Antivirus\avgToolsSvc.exe'
    TargetObject|contains: '\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run\'
    Details: 'Binary Data'
filter_optional_aurora_dashboard:
    Image|endswith:
        - '\aurora-agent-64.exe'
        - '\aurora-agent.exe'
    TargetObject|endswith: '\Microsoft\Windows\CurrentVersion\Run\aurora-dashboard'
    Details: 'C:\Program Files\Aurora-Agent\tools\aurora-dashboard.exe'
filter_optional_everything:
    TargetObject|endswith: '\Microsoft\Windows\CurrentVersion\Run\Everything'
    Details|endswith: '\Everything\Everything.exe" -startup' # We remove the starting part as it could be installed in different locations
filter_optional_discord:
    TargetObject|endswith: '\Software\Microsoft\Windows\CurrentVersion\Run\Discord'
    Details|endswith: '\Discord\Update.exe --processStart Discord.exe'
condition: all of selection_* and not 1 of filter_main_* and not 1 of filter_optional_*

False positives (as the rule lists them)

• Legitimate software automatically (mostly, during installation) sets up autorun keys for legitimate reason
• Legitimate administrator sets up autorun keys for legitimate reason

Tags

• attack.privilege-escalation
• attack.persistence
• attack.t1547.001

MITRE ATT&CK ids this rule names

• T1547.001

Related rules

• 17f878b8-9968-4578-b814-c4217fc5768c (obsolete)

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
• https://oddvar.moe/2018/03/21/persistence-using-runonceex-hidden-from-autoruns-exe/

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_asep_reg_keys_modification_currentversion.yml