Query: detection rule: This detection excludes known namped pipes accessible remotely and notify on newly observed ones, may help to detect lat
Matching passage: Sigma rule: This detection excludes known namped pipes accessible remotely and notify on newly observed ones, may help to detect lat. Logsource: windows / security. Rule: title: First Time Seen Remote Named Pipe id: 52d8b0c6-53d6-439a-9e41-52ad442ad9ad status: test description: This detection excludes known namped pipes accessible remotely and notify on newly observed ones, may help to detect lateral movement and remote exec using named pipes references: - https://twitter.com/menasec1/status/1104489274387451904 author: Samir Bousseaden date: 2019-04-03 modified: 2023-03-14 tags: - attack.lateral-movement - attack.t1021.002 logsource: product: windows service: security definition: The advanced audit policy setting "Object Access > Audit Detailed File Share" must be configured for Success/Failure detection: selection1: EventID: 5145 ShareName: \\\\\*\\IPC$ false_positives: RelativeTargetName: - atsvc - samr - lsarpc - lsass - winreg - netlogon - srvsvc - protected_storage - wkssvc - browser - netdfs - svcctl - spoolss - ntsvcs - LSM_API_service - HydraLsPipe - TermSrv_API_service - MsFteWds - sql\query - eventlog condition: selection1 and not false_positives falsepositives: - Update the excluded named pipe to filter out any newly observed legit named pipe level: high
Near-miss passage: Sigma rule: Detects uncommon "userinit.exe" child processes, which could be a sign of uncommon shells or login scripts used for pers. Logsource: windows / process_creation. Rule: title: Uncommon Userinit Child Process id: 0a98a10c-685d-4ab0-bddc-b6bdd1d48458 related: - id: 21d856f9-9281-4ded-9377-51a1a6e2a432 type: similar status: test description: Detects uncommon "userinit.exe" child processes, which could be a sign of uncommon shells or login scripts used for persistence. references: - https://cocomelonc.github.io/persistence/2022/12/09/malware-pers-20.html - https://learn.microsoft.com/en-us/windows-server/administration/server-core/server-core-sconfig#powershell-is-the-default-shell-on-server-core author: Tom Ueltschi (@c_APT_ure), Tim Shelton date: 2019-01-12 modified: 2023-11-14 tags: - attack.privilege-escalation - attack.t1037.001 - attack.persistence logsource: category: process_creation product: windows detection: selection: ParentImage|endswith: \userinit.exe filter_main_explorer: Image|endswith: :\WINDOWS\explorer.exe filter_optional_logonscripts: CommandLine|contains: - netlogon.bat - UsrLogon.cmd filter_optional_windows_core: CommandLine: PowerShell.exe filter_optional_proquota: Image|endswith: - :\Windows\System32\proquota.exe - :\Windows\SysWOW64\proquota.exe filter_optional_citrix: Image|endswith: - :\Program Files (x86)\Citrix\HDX\bin\cmstart.exe - :\Program Files (x86)\Citrix\HDX\bin\icast.exe - :\Program Files (x86)\Citrix\System32\icast.exe - :\Program Files\Citrix\HDX\bin\cmstart.exe - :\Program Files\Citrix\HDX\bin\icast.exe - :\Program Files\Citrix\System32\icast.exe filter_optional_image_null: Image: null condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Legitimate logon scripts or custom shells may trigger false positives. Apply additional filters accordingly. level: high