Query: Sigma rule for Detects suspicious DACL modifications via the "Set-Service" cmdlet using the "SecurityDescriptorSddl" flag (Only availab
Matching passage: Sigma rule: Detects suspicious DACL modifications via the "Set-Service" cmdlet using the "SecurityDescriptorSddl" flag (Only availab. Logsource: windows / process_creation. Rule: title: Suspicious Service DACL Modification Via Set-Service Cmdlet id: a95b9b42-1308-4735-a1af-abb1c5e6f5ac related: - id: 99cf1e02-00fb-4c0d-8375-563f978dfd37 type: derived status: test description: Detects suspicious DACL modifications via the "Set-Service" cmdlet using the "SecurityDescriptorSddl" flag (Only available with PowerShell 7) that can be used to hide services or make them unstopable references: - https://www.sans.org/blog/red-team-tactics-hiding-windows-services/ - https://learn.microsoft.com/pt-br/windows/win32/secauthz/sid-strings author: Nasreddine Bencherchali (Nextron Systems) date: 2022-10-18 tags: - attack.privilege-escalation - attack.persistence - attack.t1543.003 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \pwsh.exe - OriginalFileName: pwsh.dll selection_sddl_flag: CommandLine|contains: - '-SecurityDescriptorSddl ' - '-sd ' selection_set_service: CommandLine|contains|all: - 'Set-Service ' - D;; CommandLine|contains: - ;;;IU - ;;;SU - ;;;BA - ;;;SY - ;;;WD condition: all of selection_* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects the execution of Sysinternals ADExplorer with the "-snapshot" flag in order to save a local copy of the active d. Logsource: windows / process_creation. Rule: title: Active Directory Database Snapshot Via ADExplorer id: 9212f354-7775-4e28-9c9f-8f0a4544e664 related: - id: ef61af62-bc74-4f58-b49b-626448227652 type: derived status: test description: Detects the execution of Sysinternals ADExplorer with the "-snapshot" flag in order to save a local copy of the active directory database. This can be used by attackers to extract data for Bloodhound, usernames for password spraying or use the meta data for social engineering. The snapshot doesn't contain password hashes but there have been cases, where administrators put passwords in the comment field. references: - https://www.documentcloud.org/documents/5743766-Global-Threat-Report-2019.html - https://learn.microsoft.com/de-de/sysinternals/downloads/adexplorer - https://github.com/c3c/ADExplorerSnapshot.py/tree/f700904defac330802bbfedd1d8ffd9248f4ee24 - https://www.packetlabs.net/posts/scattered-spider-is-a-young-ransomware-gang-exploiting-large-corporations/ - https://www.nccgroup.com/us/research-blog/lapsus-recent-techniques-tactics-and-procedures/ - https://trustedsec.com/blog/adexplorer-on-engagements author: Nasreddine Bencherchali (Nextron Systems) date: 2023-03-14 modified: 2025-07-09 tags: - attack.discovery - attack.t1087.002 - attack.t1069.002 - attack.t1482 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: - \ADExp.exe - \ADExplorer.exe - \ADExplorer64.exe - \ADExplorer64a.exe - OriginalFileName: AdExp - Description: Active Directory Editor - Product: Sysinternals ADExplorer selection_cli: CommandLine|contains: snapshot condition: all of selection_* falsepositives: - Unknown level: medium