Query: detection rule: 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: Detects file access attempts to sensitive Microsoft teams files (leveldb, cookies) by an uncommon process.. Logsource: windows / file_access. Rule: title: Microsoft Teams Sensitive File Access By Uncommon Applications id: 65744385-8541-44a6-8630-ffc824d7d4cc status: test description: 'Detects file access attempts to sensitive Microsoft teams files (leveldb, cookies) by an uncommon process. ' references: - https://www.bleepingcomputer.com/news/security/microsoft-teams-stores-auth-tokens-as-cleartext-in-windows-linux-macs/ - https://www.vectra.ai/blog/undermining-microsoft-teams-security-by-mining-tokens author: '@SerkinValery' date: 2024-07-22 tags: - attack.credential-access - attack.t1528 logsource: product: windows category: file_access definition: 'Requirements: Microsoft-Windows-Kernel-File ETW provider' detection: selection: FileName|contains: - \Microsoft\Teams\Cookies - \Microsoft\Teams\Local Storage\leveldb filter_main_legit_location: Image|endswith: \Microsoft\Teams\current\Teams.exe condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: medium