brokensound77
51 lines
1.9 KiB
TOML
51 lines
1.9 KiB
TOML
[metadata]
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creation_date = "2020/03/30"
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ecs_version = ["1.6.0"]
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maturity = "production"
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updated_date = "2020/08/03"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies suspicious child processes of PDF reader applications. These child processes are often launched via
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exploitation of PDF applications or social engineering.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License"
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name = "Suspicious PDF Reader Child Process"
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risk_score = 21
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rule_id = "53a26770-9cbd-40c5-8b57-61d01a325e14"
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severity = "low"
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tags = ["Elastic", "Windows"]
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type = "query"
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query = '''
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event.category:process and event.type:(start or process_started) and
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process.parent.name:(AcroRd32.exe or Acrobat.exe or FoxitPhantomPDF.exe or FoxitReader.exe) and
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process.name:(arp.exe or dsquery.exe or dsget.exe or gpresult.exe or hostname.exe or ipconfig.exe or nbtstat.exe or
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net.exe or net1.exe or netsh.exe or netstat.exe or nltest.exe or ping.exe or qprocess.exe or
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quser.exe or qwinsta.exe or reg.exe or sc.exe or systeminfo.exe or tasklist.exe or tracert.exe or
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whoami.exe or bginfo.exe or cdb.exe or cmstp.exe or csi.exe or dnx.exe or fsi.exe or ieexec.exe or
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iexpress.exe or installutil.exe or Microsoft.Workflow.Compiler.exe or msbuild.exe or mshta.exe or
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msxsl.exe or odbcconf.exe or rcsi.exe or regsvr32.exe or xwizard.exe or atbroker.exe or forfiles.exe or
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schtasks.exe or regasm.exe or regsvcs.exe or cmd.exe or cscript.exe or powershell.exe or pwsh.exe or
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wmic.exe or wscript.exe or bitsadmin.exe or certutil.exe or ftp.exe)
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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 = "T1204"
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name = "User Execution"
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reference = "https://attack.mitre.org/techniques/T1204/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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