IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Execution of Persistent Suspicious Program
editExecution of Persistent Suspicious Program
editIdentifies execution of suspicious persistent programs (scripts, rundll32, etc.) by looking at process lineage and command line usage.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
- endgame-*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Persistence
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
Version: 105
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
edit/* userinit followed by explorer followed by early child process of explorer (unlikely to be launched interactively) within 1m */
sequence by host.id, user.name with maxspan=1m
[process where host.os.type == "windows" and event.type == "start" and process.name : "userinit.exe" and process.parent.name : "winlogon.exe"]
[process where host.os.type == "windows" and event.type == "start" and process.name : "explorer.exe"]
[process where host.os.type == "windows" and event.type == "start" and process.parent.name : "explorer.exe" and
/* add suspicious programs here */
process.pe.original_file_name in ("cscript.exe",
"wscript.exe",
"PowerShell.EXE",
"MSHTA.EXE",
"RUNDLL32.EXE",
"REGSVR32.EXE",
"RegAsm.exe",
"MSBuild.exe",
"InstallUtil.exe") and
/* add potential suspicious paths here */
process.args : ("C:\\Users\\*", "C:\\ProgramData\\*", "C:\\Windows\\Temp\\*", "C:\\Windows\\Tasks\\*", "C:\\PerfLogs\\*", "C:\\Intel\\*")
]
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Boot or Logon Autostart Execution
- ID: T1547
- Reference URL: https://attack.mitre.org/techniques/T1547/
-
Sub-technique:
- Name: Registry Run Keys / Startup Folder
- ID: T1547.001
- Reference URL: https://attack.mitre.org/techniques/T1547/001/