Query: Sigma rule for Shadow Copies deletion using operating systems utilities
Matching passage: Sigma rule: Shadow Copies deletion using operating systems utilities. Logsource: windows / process_creation. Rule: title: Shadow Copies Deletion Using Operating Systems Utilities id: c947b146-0abc-4c87-9c64-b17e9d7274a2 status: stable description: Shadow Copies deletion using operating systems utilities references: - https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment - https://blog.talosintelligence.com/2017/05/wannacry.html - https://securingtomorrow.mcafee.com/other-blogs/mcafee-labs/new-teslacrypt-ransomware-arrives-via-spam/ - https://www.bleepingcomputer.com/news/security/why-everyone-should-disable-vssadmin-exe-now/ - https://www.hybrid-analysis.com/sample/ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa?environmentId=100 - https://github.com/Neo23x0/Raccine#the-process - https://github.com/Neo23x0/Raccine/blob/20a569fa21625086433dcce8bb2765d0ea08dcb6/yara/gen_ransomware_command_lines.yar - https://redcanary.com/blog/intelligence-insights-october-2021/ - https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/blackbyte-exbyte-ransomware author: Florian Roth (Nextron Systems), Michael Haag, Teymur Kheirkhabarov, Daniil Yugoslavskiy, oscd.community, Andreas Hunkeler (@Karneades) date: 2019-10-22 modified: 2022-11-03 tags: - attack.impact - attack.stealth - attack.t1070 - attack.t1490 logsource: category: process_creation product: windows detection: selection1_img: - Image|endswith: - \powershell.exe - \pwsh.exe - \wmic.exe - \vssadmin.exe - \diskshadow.exe - OriginalFileName: - PowerShell.EXE - pwsh.dll - wmic.exe - VSSADMIN.EXE - diskshadow.exe selection1_cli: CommandLine|contains|all: - shadow - delete selection2_img: - Image|endswith: \wbadmin.exe - OriginalFileName: WBADMIN.EXE selection2_cli: CommandLine|contains|all: - delete - catalog - quiet selection3_img: - Image|endswith: \vssadmin.exe - OriginalFileName: VSSADMIN.EXE selection3_cli: CommandLine|contains|all: - resize - shadowstorage CommandLine|contains: - unbounded - /MaxSize= condition: (all of selection1*) or (all of selection2*) or (all of selection3*) falsepositives: - Legitimate Administrator deletes Shadow Copies using operating systems utilities for legitimate reason - LANDesk LDClient Ivanti-PSModule (PS EncodedCommand) level: high
Near-miss passage: Sigma rule: Detects service installation of different remote access tools software. These software are often abused by threat actors. Logsource: windows / system. Rule: title: Remote Access Tool Services Have Been Installed - System id: 1a31b18a-f00c-4061-9900-f735b96c99fc related: - id: c8b00925-926c-47e3-beea-298fd563728e type: similar status: test description: Detects service installation of different remote access tools software. These software are often abused by threat actors to perform references: - https://redcanary.com/blog/misbehaving-rats/ author: Connor Martin, Nasreddine Bencherchali date: 2022-12-23 modified: 2023-06-22 tags: - attack.privilege-escalation - attack.persistence - attack.execution - attack.t1543.003 - attack.t1569.002 logsource: product: windows service: system detection: selection: Provider_Name: Service Control Manager EventID: - 7045 - 7036 ServiceName|contains: - AmmyyAdmin - Atera - BASupportExpressSrvcUpdater - BASupportExpressStandaloneService - chromoting - GoToAssist - GoToMyPC - jumpcloud - LMIGuardianSvc - LogMeIn - monblanking - Parsec - RManService - RPCPerformanceService - RPCService - SplashtopRemoteService - SSUService - TeamViewer - TightVNC - vncserver - Zoho condition: selection falsepositives: - Unknown level: medium