Query: Sigma rule for Detects uncommon processes creating remote threads.
Matching passage: Sigma rule: Detects uncommon processes creating remote threads.. Logsource: windows / create_remote_thread. Rule: title: Rare Remote Thread Creation By Uncommon Source Image id: 02d1d718-dd13-41af-989d-ea85c7fab93f related: - id: 66d31e5f-52d6-40a4-9615-002d3789a119 type: derived status: test description: Detects uncommon processes creating remote threads. references: - Personal research, statistical analysis - https://lolbas-project.github.io author: Perez Diego (@darkquassar), oscd.community date: 2019-10-27 modified: 2025-12-08 tags: - attack.privilege-escalation - attack.stealth - attack.t1055 logsource: product: windows category: create_remote_thread detection: selection: SourceImage|endswith: - \bash.exe - \cscript.exe - \cvtres.exe - \defrag.exe - \dialer.exe - \dnx.exe - \esentutl.exe - \excel.exe - \expand.exe - \find.exe - \findstr.exe - \forfiles.exe - \gpupdate.exe - \hh.exe - \installutil.exe - \lync.exe - \makecab.exe - \mDNSResponder.exe - \monitoringhost.exe - \msbuild.exe - \mshta.exe - \mspaint.exe - \outlook.exe - \ping.exe - \provtool.exe - \python.exe - \regsvr32.exe - \robocopy.exe - \runonce.exe - \sapcimc.exe - \smartscreen.exe - \spoolsv.exe - \tstheme.exe - \userinit.exe - \vssadmin.exe - \vssvc.exe - \w3wp.exe - \winscp.exe - \winword.exe - \wmic.exe - \wscript.exe filter_main_conhost: SourceImage: - C:\Windows\System32\Defrag.exe - C:\Windows\System32\makecab.exe TargetImage: C:\Windows\System32\conhost.exe filter_main_provtol_svchost: SourceImage: C:\Windows\System32\provtool.exe TargetImage: C:\Windows\System32\svchost.exe filter_main_provtool_system: SourceImage: C:\Windows\System32\provtool.exe TargetImage: System filter_main_userinit: SourceImage: C:\Windows\System32\userinit.exe TargetImage: C:\Windows\explorer.exe filter_main_winword: SourceImage|endswith: \WINWORD.EXE TargetImage|startswith: - C:\Program Files (x86)\ - C:\Program Files\ filter_main_ms_office: SourceImage|startswith: - C:\Program Files\Microsoft Office\ - C:\Program Files (x86)\Microsoft Office\ TargetImage: System filter_optional_explorer_vmtools: SourceImage|endswith: \SysWOW64\explorer.exe TargetImage: - C:\Program Files (x86)\VMware\VMware Tools\vmtoolsd.exe - C:\Program Files\VMware\VMware Tools\vmtoolsd.exe condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - This rule is best put in testing first in order to create a baseline that reflects the data in your environment. level: high
Near-miss passage: Sigma rule: Remove the Zone.Identifier alternate data stream which identifies the file as downloaded from the internet.. Logsource: windows / ps_script. Rule: title: Suspicious Unblock-File id: 5947497f-1aa4-41dd-9693-c9848d58727d status: test description: Remove the Zone.Identifier alternate data stream which identifies the file as downloaded from the internet. references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1553.005/T1553.005.md#atomic-test-3---remove-the-zoneidentifier-alternate-data-stream - https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/unblock-file?view=powershell-7.2 author: frack113 date: 2022-02-01 tags: - attack.defense-impairment - attack.t1553.005 logsource: product: windows category: ps_script definition: 'Requirements: Script Block Logging must be enabled' detection: selection: ScriptBlockText|contains|all: - 'Unblock-File ' - '-Path ' condition: selection falsepositives: - Legitimate PowerShell scripts level: medium