Jonhnathan
74 lines
2.6 KiB
TOML
74 lines
2.6 KiB
TOML
[metadata]
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creation_date = "2020/11/19"
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integration = ["endpoint", "windows"]
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maturity = "production"
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updated_date = "2024/10/15"
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min_stack_version = "8.14.0"
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min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."
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[rule]
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author = ["Elastic"]
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description = """
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Identifies execution of suspicious persistent programs (scripts, rundll32, etc.) by looking at process lineage and
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command line usage.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.process-*", "logs-windows.sysmon_operational-*", "endgame-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Execution of Persistent Suspicious Program"
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risk_score = 47
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rule_id = "e7125cea-9fe1-42a5-9a05-b0792cf86f5a"
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severity = "medium"
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tags = [
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"Domain: Endpoint",
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"OS: Windows",
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"Use Case: Threat Detection",
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"Tactic: Persistence",
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"Data Source: Elastic Endgame",
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"Data Source: Elastic Defend",
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"Data Source: Sysmon",
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]
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type = "eql"
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query = '''
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/* userinit followed by explorer followed by early child process of explorer (unlikely to be launched interactively) within 1m */
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sequence by host.id, user.name with maxspan=1m
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[process where host.os.type == "windows" and event.type == "start" and process.name : "userinit.exe" and process.parent.name : "winlogon.exe"]
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[process where host.os.type == "windows" and event.type == "start" and process.name : "explorer.exe"]
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[process where host.os.type == "windows" and event.type == "start" and process.parent.name : "explorer.exe" and
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/* add suspicious programs here */
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process.pe.original_file_name in ("cscript.exe",
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"wscript.exe",
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"PowerShell.EXE",
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"MSHTA.EXE",
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"RUNDLL32.EXE",
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"REGSVR32.EXE",
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"RegAsm.exe",
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"MSBuild.exe",
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"InstallUtil.exe") and
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/* add potential suspicious paths here */
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process.args : ("C:\\Users\\*", "C:\\ProgramData\\*", "C:\\Windows\\Temp\\*", "C:\\Windows\\Tasks\\*", "C:\\PerfLogs\\*", "C:\\Intel\\*")
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]
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1547"
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name = "Boot or Logon Autostart Execution"
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reference = "https://attack.mitre.org/techniques/T1547/"
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[[rule.threat.technique.subtechnique]]
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id = "T1547.001"
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name = "Registry Run Keys / Startup Folder"
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reference = "https://attack.mitre.org/techniques/T1547/001/"
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[rule.threat.tactic]
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id = "TA0003"
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name = "Persistence"
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reference = "https://attack.mitre.org/tactics/TA0003/"
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