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Process Execution from an Unusual Directory
editProcess Execution from an Unusual Directory
editIdentifies process execution from suspicious default Windows directories. This is sometimes done by adversaries to hide malware in trusted paths.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Execution
Version: 3 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 7.12.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule query
editprocess where event.type in ("start", "process_started", "info") and /* add suspicious execution paths here */ process.executable : ("C:\\P erfLogs\\*.exe","C:\\Users\\Public\\*.exe","C:\\Users\\Default\\*.exe" ,"C:\\Windows\\Tasks\\*.exe","C:\\Intel\\*.exe","C:\\AMD\\Temp\\*.exe" ,"C:\\Windows\\AppReadiness\\*.exe", "C:\\Windows\\ServiceState\\*.exe ","C:\\Windows\\security\\*.exe","C:\\Windows\\IdentityCRL\\*.exe","C: \\Windows\\Branding\\*.exe","C:\\Windows\\csc\\*.exe", "C:\\Windows\\DigitalLocker\\*.exe","C:\\Windows\\en-US\\*.exe","C:\\W indows\\wlansvc\\*.exe","C:\\Windows\\Prefetch\\*.exe","C:\\Windows\\F onts\\*.exe", "C:\\Windows\\diagnostics\\*.exe","C:\\Windows\\TAPI\\* .exe","C:\\Windows\\INF\\*.exe","C:\\Windows\\System32\\Speech\\*.exe" ,"C:\\windows\\tracing\\*.exe", "c:\\windows\\IME\\*.exe","c:\\Window s\\Performance\\*.exe","c:\\windows\\intel\\*.exe","c:\\windows\\ms\\* .exe","C:\\Windows\\dot3svc\\*.exe","C:\\Windows\\ServiceProfiles\\*.e xe", "C:\\Windows\\panther\\*.exe","C:\\Windows\\RemotePackages\\*.ex e","C:\\Windows\\OCR\\*.exe","C:\\Windows\\appcompat\\*.exe","C:\\Wind ows\\apppatch\\*.exe","C:\\Windows\\addins\\*.exe", "C:\\Windows\\Set up\\*.exe","C:\\Windows\\Help\\*.exe","C:\\Windows\\SKB\\*.exe","C:\\W indows\\Vss\\*.exe","C:\\Windows\\Web\\*.exe","C:\\Windows\\servicing\ \*.exe","C:\\Windows\\CbsTemp\\*.exe", "C:\\Windows\\Logs\\*.exe","C: \\Windows\\WaaS\\*.exe","C:\\Windows\\twain_32\\*.exe","C:\\Windows\\S hellExperiences\\*.exe","C:\\Windows\\ShellComponents\\*.exe","C:\\Win dows\\PLA\\*.exe", "C:\\Windows\\Migration\\*.exe","C:\\Windows\\debu g\\*.exe","C:\\Windows\\Cursors\\*.exe","C:\\Windows\\Containers\\*.ex e","C:\\Windows\\Boot\\*.exe","C:\\Windows\\bcastdvr\\*.exe", "C:\\Wi ndows\\assembly\\*.exe","C:\\Windows\\TextInput\\*.exe","C:\\Windows\\ security\\*.exe","C:\\Windows\\schemas\\*.exe","C:\\Windows\\SchCache\ \*.exe","C:\\Windows\\Resources\\*.exe", "C:\\Windows\\rescache\\*.ex e","C:\\Windows\\Provisioning\\*.exe","C:\\Windows\\PrintDialog\\*.exe ","C:\\Windows\\PolicyDefinitions\\*.exe","C:\\Windows\\media\\*.exe", "C:\\Windows\\Globalization\\*.exe","C:\\Windows\\L2Schemas\\*.exe","C :\\Windows\\LiveKernelReports\\*.exe","C:\\Windows\\ModemLogs\\*.exe", "C:\\Windows\\ImmersiveControlPanel\\*.exe") and not process.name : ( "SpeechUXWiz.exe","SystemSettings.exe","TrustedInstaller.exe","PrintDi alog.exe","MpSigStub.exe","LMS.exe","mpam-*.exe") /* uncomment once in winlogbeat */ /* and not (process.code_signature.subject_name == "Microsoft Corporation" and process.code_signature.trusted == true) */
Rule version history
edit- Version 3 (7.12.0 release)
-
- Formatting only
- Version 2 (7.11.2 release)
-
- Formatting only