Query: detection rule: Detects potential DLL sideloading of "goopdate.dll", a DLL used by googleupdate.exe
Matching passage: Sigma rule: Detects potential DLL sideloading of "goopdate.dll", a DLL used by googleupdate.exe. Logsource: windows / image_load. Rule: title: Potential Goopdate.DLL Sideloading id: b6188d2f-b3c4-4d2c-a17d-9706e0851af0 status: test description: Detects potential DLL sideloading of "goopdate.dll", a DLL used by googleupdate.exe references: - https://www.ncsc.gov.uk/static-assets/documents/malware-analysis-reports/goofy-guineapig/NCSC-MAR-Goofy-Guineapig.pdf author: X__Junior (Nextron Systems), Nasreddine Bencherchali (Nextron Systems) date: 2023-05-15 modified: 2025-10-07 tags: - attack.persistence - attack.privilege-escalation - attack.execution - attack.stealth - attack.t1574.001 logsource: category: image_load product: windows detection: selection: ImageLoaded|endswith: \goopdate.dll filter_main_generic: ImageLoaded|startswith: - C:\Program Files (x86)\ - C:\Program Files\ filter_optional_dropbox_installer_temp: Image|contains|all: - \AppData\Local\Temp\GUM - .tmp\Dropbox ImageLoaded|contains|all: - \AppData\Local\Temp\GUM - .tmp\goopdate.dll filter_optional_googleupdate_temp: Image|contains: - \AppData\Local\Temp\GUM - :\Windows\SystemTemp\GUM Image|endswith: .tmp\GoogleUpdate.exe ImageLoaded|contains: - \AppData\Local\Temp\GUM - :\Windows\SystemTemp\GUM condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - False positives are expected from Google Chrome installations running from user locations (AppData) and other custom locations. Apply additional filters accordingly. - Other third party chromium browsers located in AppData level: medium
Near-miss passage: Sigma rule: Detects scenarios where one can control another users or computers account without having to use their credentials.. Logsource: windows / security. Rule: title: Active Directory User Backdoors id: 300bac00-e041-4ee2-9c36-e262656a6ecc status: test description: Detects scenarios where one can control another users or computers account without having to use their credentials. references: - https://msdn.microsoft.com/en-us/library/cc220234.aspx - https://adsecurity.org/?p=3466 - https://blog.harmj0y.net/redteaming/another-word-on-delegation/ author: '@neu5ron' date: 2017-04-13 modified: 2024-02-26 tags: - attack.privilege-escalation - attack.t1098 - attack.persistence logsource: product: windows service: security definition: 'Requirements: Audit Policy : Account Management > Audit User Account Management, Group Policy : Computer Configuration\Windows Settings\Security Settings\Advanced Audit Policy Configuration\Audit Policies\Account Management\Audit User Account Management, DS Access > Audit Directory Service Changes, Group Policy : Computer Configuration\Windows Settings\Security Settings\Advanced Audit Policy Configuration\Audit Policies\DS Access\Audit Directory Service Changes' detection: selection1: EventID: 4738 filter_empty: AllowedToDelegateTo: - '' - '-' filter_null: AllowedToDelegateTo: null selection_5136_1: EventID: 5136 AttributeLDAPDisplayName: msDS-AllowedToDelegateTo selection_5136_2: EventID: 5136 ObjectClass: user AttributeLDAPDisplayName: servicePrincipalName selection_5136_3: EventID: 5136 AttributeLDAPDisplayName: msDS-AllowedToActOnBehalfOfOtherIdentity condition: (selection1 and not 1 of filter_*) or 1 of selection_5136_* falsepositives: - Unknown level: high