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Execution from Unusual Directory - Command Line
editExecution from Unusual Directory - Command Line
editIdentifies process execution from suspicious default Windows directories. This may be abused by adversaries to hide malware in trusted paths.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
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: 2 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 7.11.2
Rule authors: Elastic
Rule license: Elastic License
Investigation guide
editThis is related to the Process Execution from an Unusual Directory rule
Rule query
editprocess where event.type in ("start", "process_started", "info") and process.name : ("wscript.exe","cscript.exe","rundll32.exe","regsvr32.e xe","cmstp.exe","RegAsm.exe","installutil.exe","mshta.exe","RegSvcs.ex e") and /* add suspicious execution paths here */ process.args : ("C: \\PerfLogs\\*","C:\\Users\\Public\\*","C:\\Users\\Default\\*","C:\\Win dows\\Tasks\\*","C:\\Intel\\*", "C:\\AMD\\Temp\\*", "C:\\Windows\\AppReadiness\\*", "C:\\Windows\\ServiceState\\*","C:\\Wi ndows\\security\\*","C:\\Windows\\IdentityCRL\\*","C:\\Windows\\Brandi ng\\*","C:\\Windows\\csc\\*", "C:\\Windows\\DigitalLocker\\*","C:\\Windows\\en-US\\*","C:\\Windows\\ wlansvc\\*","C:\\Windows\\Prefetch\\*","C:\\Windows\\Fonts\\*", "C:\\ Windows\\diagnostics\\*","C:\\Windows\\TAPI\\*","C:\\Windows\\INF\\*", "C:\\Windows\\System32\\Speech\\*","C:\\windows\\tracing\\*", "c:\\wi ndows\\IME\\*","c:\\Windows\\Performance\\*","c:\\windows\\intel\\*"," c:\\windows\\ms\\*","C:\\Windows\\dot3svc\\*","C:\\Windows\\ServicePro files\\*", "C:\\Windows\\panther\\*","C:\\Windows\\RemotePackages\\*" ,"C:\\Windows\\OCR\\*","C:\\Windows\\appcompat\\*","C:\\Windows\\apppa tch\\*","C:\\Windows\\addins\\*", "C:\\Windows\\Setup\\*","C:\\Window s\\Help\\*","C:\\Windows\\SKB\\*","C:\\Windows\\Vss\\*","C:\\Windows\\ Web\\*","C:\\Windows\\servicing\\*","C:\\Windows\\CbsTemp\\*", "C:\\W indows\\Logs\\*","C:\\Windows\\WaaS\\*","C:\\Windows\\twain_32\\*","C: \\Windows\\ShellExperiences\\*","C:\\Windows\\ShellComponents\\*","C:\ \Windows\\PLA\\*", "C:\\Windows\\Migration\\*","C:\\Windows\\debug\\* ","C:\\Windows\\Cursors\\*","C:\\Windows\\Containers\\*","C:\\Windows\ \Boot\\*","C:\\Windows\\bcastdvr\\*", "C:\\Windows\\assembly\\*","C:\ \Windows\\TextInput\\*","C:\\Windows\\security\\*","C:\\Windows\\schem as\\*","C:\\Windows\\SchCache\\*","C:\\Windows\\Resources\\*", "C:\\W indows\\rescache\\*","C:\\Windows\\Provisioning\\*","C:\\Windows\\Prin tDialog\\*","C:\\Windows\\PolicyDefinitions\\*","C:\\Windows\\media\\* ", "C:\\Windows\\Globalization\\*","C:\\Windows\\L2Schemas\\*","C:\\W indows\\LiveKernelReports\\*","C:\\Windows\\ModemLogs\\*","C:\\Windows \\ImmersiveControlPanel\\*")
Rule version history
edit- Version 2 (7.11.2 release)
-
- Formatting only