Query: detect Detects execution of "Diskshadow.exe" in script mode using the "/s" flag where the script is located in a potentially su in logs
Matching passage: Sigma rule: Detects execution of "Diskshadow.exe" in script mode using the "/s" flag where the script is located in a potentially su. Logsource: windows / process_creation. Rule: title: Diskshadow Script Mode - Execution From Potential Suspicious Location id: fa1a7e52-3d02-435b-81b8-00da14dd66c1 related: - id: 1dde5376-a648-492e-9e54-4241dd9b0c7f type: similar - id: 9f546b25-5f12-4c8d-8532-5893dcb1e4b8 type: similar - id: 56b1dde8-b274-435f-a73a-fb75eb81262a type: similar - id: 0c2f8629-7129-4a8a-9897-7e0768f13ff2 type: similar status: test description: Detects execution of "Diskshadow.exe" in script mode using the "/s" flag where the script is located in a potentially suspicious location. references: - https://bohops.com/2018/03/26/diskshadow-the-return-of-vss-evasion-persistence-and-active-directory-database-extraction/ - https://www.ired.team/offensive-security/credential-access-and-credential-dumping/ntds.dit-enumeration - https://medium.com/@cyberjyot/lolbin-execution-via-diskshadow-f6ff681a27a4 - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/diskshadow - https://www.lifars.com/wp-content/uploads/2022/01/GriefRansomware_Whitepaper-2.pdf - https://www.zscaler.com/blogs/security-research/technical-analysis-crytox-ransomware - https://research.checkpoint.com/2022/evilplayout-attack-against-irans-state-broadcaster/ author: Nasreddine Bencherchali (Nextron Systems) date: 2023-09-15 modified: 2024-03-05 tags: - attack.stealth - attack.t1218 logsource: category: process_creation product: windows detection: selection_img: - OriginalFileName: diskshadow.exe - Image|endswith: \diskshadow.exe selection_cli: CommandLine|contains|windash: '-s ' selection_paths: CommandLine|contains: - :\Temp\ - :\Windows\Temp\ - \AppData\Local\ - \AppData\Roaming\ - \ProgramData\ - \Users\Public\ condition: all of selection_* falsepositives: - False positives may occur if you execute the script from one of the paths mentioned in the rule. Apply additional filters that fits your org needs. level: medium
Near-miss passage: Sigma rule: Detects the pattern of a UAC bypass using Windows Event Viewer. Logsource: windows / file_event. Rule: title: UAC Bypass Using EventVwr id: 63e4f530-65dc-49cc-8f80-ccfa95c69d43 status: test description: Detects the pattern of a UAC bypass using Windows Event Viewer references: - https://twitter.com/orange_8361/status/1518970259868626944?s=20&t=RFXqZjtA7tWM3HxqEH78Aw - https://twitter.com/splinter_code/status/1519075134296006662?s=12&t=DLUXH86WtcmG_AZ5gY3C6g - https://lolbas-project.github.io/lolbas/Binaries/Eventvwr/#execute author: Antonio Cocomazzi (idea), Florian Roth (Nextron Systems) date: 2022-04-27 modified: 2022-11-22 tags: - attack.privilege-escalation - attack.stealth logsource: category: file_event product: windows detection: selection: TargetFilename|endswith: - \Microsoft\Event Viewer\RecentViews - \Microsoft\EventV~1\RecentViews filter: Image|startswith: - C:\Windows\System32\ - C:\Windows\SysWOW64\ condition: selection and not filter falsepositives: - Unknown level: high