Query: detection rule: Detects Windows Installer service (msiexec.exe) trying to install MSI packages with SYSTEM privilege
Matching passage: Sigma rule: Detects Windows Installer service (msiexec.exe) trying to install MSI packages with SYSTEM privilege. Logsource: windows / process_creation. Rule: title: Always Install Elevated Windows Installer id: cd951fdc-4b2f-47f5-ba99-a33bf61e3770 status: test description: Detects Windows Installer service (msiexec.exe) trying to install MSI packages with SYSTEM privilege references: - https://image.slidesharecdn.com/kheirkhabarovoffzonefinal-181117201458/95/hunting-for-privilege-escalation-in-windows-environment-48-638.jpg author: Teymur Kheirkhabarov (idea), Mangatas Tondang (rule), oscd.community date: 2020-10-13 modified: 2024-12-01 tags: - attack.privilege-escalation - attack.t1548.002 logsource: product: windows category: process_creation detection: selection_user: User|contains: - AUTHORI - AUTORI selection_image_1: Image|contains|all: - \Windows\Installer\ - msi Image|endswith: tmp selection_image_2: Image|endswith: \msiexec.exe IntegrityLevel: - System - S-1-16-16384 filter_installer: ParentImage: C:\Windows\System32\services.exe filter_repair: - CommandLine|endswith: \system32\msiexec.exe /V - ParentCommandLine|endswith: \system32\msiexec.exe /V filter_sophos: ParentImage|startswith: C:\ProgramData\Sophos\ filter_avira: ParentImage|startswith: C:\ProgramData\Avira\ filter_avast: ParentImage|startswith: - C:\Program Files\Avast Software\ - C:\Program Files (x86)\Avast Software\ filter_google_update: ParentImage|startswith: - C:\Program Files\Google\Update\ - C:\Program Files (x86)\Google\Update\ condition: 1 of selection_image_* and selection_user and not 1 of filter_* falsepositives: - System administrator usage - Anti virus products - WindowsApps located in "C:\Program Files\WindowsApps\" level: medium
Near-miss passage: Sigma rule: Detects Non-Standard tools initiating a connection over port 3389 indicating possible lateral movement. An initial basel. Logsource: windows / network_connection. Rule: title: Outbound RDP Connections Over Non-Standard Tools id: ed74fe75-7594-4b4b-ae38-e38e3fd2eb23 status: test description: 'Detects Non-Standard tools initiating a connection over port 3389 indicating possible lateral movement. An initial baseline is required before using this utility to exclude third party RDP tooling that you might use. ' references: - https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0708 author: Markus Neis date: 2019-05-15 modified: 2024-02-09 tags: - attack.lateral-movement - attack.t1021.001 - car.2013-07-002 logsource: category: network_connection product: windows detection: selection: DestinationPort: 3389 Initiated: 'true' filter_main_mstsc: Image: - C:\Windows\System32\mstsc.exe - C:\Windows\SysWOW64\mstsc.exe filter_optional_dns: Image: C:\Windows\System32\dns.exe SourcePort: 53 Protocol: udp filter_optional_avast: Image|endswith: - \Avast Software\Avast\AvastSvc.exe - \Avast\AvastSvc.exe filter_optional_sysinternals_rdcman: Image|endswith: \RDCMan.exe filter_optional_chrome: Image: C:\Program Files\Google\Chrome\Application\chrome.exe filter_optional_third_party: Image|endswith: - \FSAssessment.exe - \FSDiscovery.exe - \MobaRTE.exe - \mRemote.exe - \mRemoteNG.exe - \Passwordstate.exe - \RemoteDesktopManager.exe - \RemoteDesktopManager64.exe - \RemoteDesktopManagerFree.exe - \RSSensor.exe - \RTS2App.exe - \RTSApp.exe - \spiceworks-finder.exe - \Terminals.exe - \ws_TunnelService.exe filter_optional_thor: Image|endswith: - \thor.exe - \thor64.exe filter_optional_splunk: Image|startswith: C:\Program Files\SplunkUniversalForwarder\bin\ filter_optional_sentinel_one: Image|endswith: \Ranger\SentinelRanger.exe filter_optional_firefox: Image: C:\Program Files\Mozilla Firefox\firefox.exe filter_optional_tsplus: Image: - C:\Program Files\TSplus\Java\bin\HTML5service.exe - C:\Program Files (x86)\TSplus\Java\bin\HTML5service.exe filter_optional_null: Image: null filter_optional_empty: Image: '' filter_optional_unknown: Image: <unknown process> condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Third party RDP tools level: high