Ross Wolf
5fcece8416
Co-Authored-By: Brent Murphy <56412096+bm11100@users.noreply.github.com> Co-Authored-By: Craig Chamberlain <randomuserid@users.noreply.github.com> Co-Authored-By: David French <56409778+threat-punter@users.noreply.github.com> Co-Authored-By: Derek Ditch <dcode@users.noreply.github.com> Co-Authored-By: Justin Ibarra <brokensound77@users.noreply.github.com>
54 lines
1.3 KiB
TOML
54 lines
1.3 KiB
TOML
[metadata]
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creation_date = "2020/03/25"
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ecs_version = ["1.5.0"]
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maturity = "production"
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updated_date = "2020/03/25"
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[rule]
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author = ["Elastic"]
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description = """
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RegSvcs.exe and RegAsm.exe are Windows command line utilities that are used to register .NET Component Object Model
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(COM) assemblies. Adversaries can use RegSvcs.exe and RegAsm.exe to proxy execution of code through a trusted Windows
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utility.
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"""
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index = ["winlogbeat-*"]
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language = "kuery"
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license = "Elastic License"
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name = "Execution via Regsvcs/Regasm"
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risk_score = 21
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rule_id = "47f09343-8d1f-4bb5-8bb0-00c9d18f5010"
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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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process.name:(RegAsm.exe or RegSvcs.exe) and event.action:"Process Create (rule: ProcessCreate)"
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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 = "T1121"
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name = "Regsvcs/Regasm"
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reference = "https://attack.mitre.org/techniques/T1121/"
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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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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1121"
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name = "Regsvcs/Regasm"
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reference = "https://attack.mitre.org/techniques/T1121/"
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[rule.threat.tactic]
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id = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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