Query: detect Detects potential abuse of the "register_app.vbs" script that is part of the Windows SDK. The script offers the capabili in logs
Matching passage: Sigma rule: Detects potential abuse of the "register_app.vbs" script that is part of the Windows SDK. The script offers the capabili. Logsource: windows / process_creation. Rule: title: Potential Register_App.Vbs LOLScript Abuse id: 28c8f68b-098d-45af-8d43-8089f3e35403 status: test description: Detects potential abuse of the "register_app.vbs" script that is part of the Windows SDK. The script offers the capability to register new VSS/VDS Provider as a COM+ application. Attackers can use this to install malicious DLLs for persistence and execution. references: - https://twitter.com/sblmsrsn/status/1456613494783160325?s=20 - https://github.com/microsoft/Windows-classic-samples/blob/7cbd99ac1d2b4a0beffbaba29ea63d024ceff700/Samples/Win7Samples/winbase/vss/vsssampleprovider/register_app.vbs author: Austin Songer @austinsonger date: 2021-11-05 modified: 2022-07-07 tags: - attack.stealth - attack.t1218 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: - \cscript.exe - \wscript.exe - OriginalFileName: - cscript.exe - wscript.exe selection_cli: CommandLine|contains: '.vbs -register ' condition: all of selection* falsepositives: - Other VB scripts that leverage the same starting command line flags level: medium
Near-miss passage: Sigma rule: Detects legitimate applications writing any type of file to uncommon or suspicious locations that are not typical for ap. Logsource: windows / file_event. Rule: title: Legitimate Application Writing Files In Uncommon Location id: 1cf465a1-2609-4c15-9b66-c32dbe4bfd67 related: - id: 2ddef153-167b-4e89-86b6-757a9e65dcac type: similar status: experimental description: 'Detects legitimate applications writing any type of file to uncommon or suspicious locations that are not typical for application data storage or execution. Adversaries may leverage legitimate applications (Living off the Land Binaries - LOLBins) to drop or download malicious files to uncommon locations on the system to evade detection by security solutions. ' references: - https://lolbas-project.github.io/#/download author: Swachchhanda Shrawan Poudel (Nextron Systems) date: 2025-12-10 tags: - attack.stealth - attack.t1218 - attack.command-and-control - attack.t1105 logsource: product: windows category: file_event detection: selection_img: Image|endswith: - \eqnedt32.exe - \wordpad.exe - \wordview.exe - \cmdl32.exe - \certutil.exe - \certoc.exe - \CertReq.exe - \bitsadmin.exe - \Desktopimgdownldr.exe - \esentutl.exe - \expand.exe - \extrac32.exe - \replace.exe - \mshta.exe - \ftp.exe - \Ldifde.exe - \RdrCEF.exe - \hh.exe - \finger.exe - \findstr.exe selection_locations: TargetFilename|contains: - :\Perflogs - :\ProgramData\ - :\Temp\ - :\Users\Public\ - :\Windows\ - \$Recycle.Bin\ - \AppData\Local\ - \AppData\Roaming\ - \Contacts\ - \Desktop\ - \Favorites\ - \Favourites\ - \inetpub\wwwroot\ - \Music\ - \Pictures\ - \Start Menu\Programs\Startup\ - \Users\Default\ - \Videos\ condition: all of selection_* falsepositives: - Unknown level: high regression_tests_path: regression_data/rules/windows/file/file_event/file_event_win_susp_legitimate_app_dropping_in_uncommon_location/info.yml