Query: detect Detects uncommon target processes for remote thread creation in logs
Matching passage: Sigma rule: Detects uncommon target processes for remote thread creation. Logsource: windows / create_remote_thread. Rule: title: Remote Thread Creation In Uncommon Target Image id: a1a144b7-5c9b-4853-a559-2172be8d4a03 related: - id: f016c716-754a-467f-a39e-63c06f773987 type: obsolete status: test description: Detects uncommon target processes for remote thread creation references: - https://web.archive.org/web/20220319032520/https://blog.redbluepurple.io/offensive-research/bypassing-injection-detection author: Florian Roth (Nextron Systems) date: 2022-03-16 modified: 2025-07-04 tags: - attack.privilege-escalation - attack.stealth - attack.t1055.003 logsource: product: windows category: create_remote_thread detection: selection: TargetImage|endswith: - \calc.exe - \calculator.exe - \mspaint.exe - \notepad.exe - \ping.exe - \sethc.exe - \spoolsv.exe - \wordpad.exe - \write.exe filter_main_csrss: SourceImage: C:\Windows\System32\csrss.exe filter_main_notepad: SourceImage: - C:\Windows\System32\explorer.exe - C:\Windows\System32\OpenWith.exe TargetImage: C:\Windows\System32\notepad.exe filter_main_sethc: SourceImage: C:\Windows\System32\AtBroker.exe TargetImage: C:\Windows\System32\Sethc.exe filter_optional_aurora_1: StartFunction: EtwpNotificationThread filter_optional_aurora_2: SourceImage|contains: unknown process filter_optional_vmtoolsd: SourceImage: C:\Program Files\VMware\VMware Tools\vmtoolsd.exe StartFunction: GetCommandLineW TargetImage: - C:\Windows\System32\notepad.exe - C:\Windows\System32\spoolsv.exe filter_optional_xerox_pjems: SourceImage: C:\Program Files\Xerox\XeroxPrintExperience\CommonFiles\XeroxPrintJobEventManagerService.exe StartFunction: LoadLibraryW TargetImage: C:\Windows\System32\spoolsv.exe condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Detects suspicious commandline flags used by PsExec and PAExec to escalate a command line to LOCAL_SYSTEM rights. Logsource: windows / process_creation. Rule: title: PsExec/PAExec Escalation to LOCAL SYSTEM id: 8834e2f7-6b4b-4f09-8906-d2276470ee23 related: - id: 207b0396-3689-42d9-8399-4222658efc99 type: similar status: test description: Detects suspicious commandline flags used by PsExec and PAExec to escalate a command line to LOCAL_SYSTEM rights references: - https://learn.microsoft.com/en-us/sysinternals/downloads/psexec - https://www.poweradmin.com/paexec/ - https://www.fireeye.com/blog/threat-research/2020/10/kegtap-and-singlemalt-with-a-ransomware-chaser.html author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems) date: 2021-11-23 modified: 2024-03-05 tags: - attack.resource-development - attack.t1587.001 logsource: category: process_creation product: windows detection: selection_sys: CommandLine|contains|windash: - ' -s cmd' - ' -s -i cmd' - ' -i -s cmd' - ' -s pwsh' - ' -s -i pwsh' - ' -i -s pwsh' - ' -s powershell' - ' -s -i powershell' - ' -i -s powershell' selection_other: CommandLine|contains: - psexec - paexec - accepteula condition: all of selection_* falsepositives: - Admins that use PsExec or PAExec to escalate to the SYSTEM account for maintenance purposes (rare) - Users that debug Microsoft Intune issues using the commands mentioned in the official documentation; see https://learn.microsoft.com/en-us/mem/intune/apps/intune-management-extension level: high