Samirbous
51d50b7d8a
* Create credential_access_lsass_openprocess_api.toml * Update credential_access_lsass_openprocess_api.toml * Update credential_access_lsass_openprocess_api.toml * Update non-ecs-schema.json * Update rules/windows/credential_access_lsass_openprocess_api.toml Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com> * Update rules/windows/credential_access_lsass_openprocess_api.toml Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com> * Update rules/windows/credential_access_lsass_openprocess_api.toml Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com> * Update rules/windows/credential_access_lsass_openprocess_api.toml Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> * Update rules/windows/credential_access_lsass_openprocess_api.toml Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> * Update rules/windows/credential_access_lsass_openprocess_api.toml Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> * Update credential_access_lsass_openprocess_api.toml * Update non-ecs-schema.json --------- Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com> Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com> Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com> Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
50 lines
1.4 KiB
TOML
50 lines
1.4 KiB
TOML
[metadata]
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creation_date = "2023/03/02"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: Lsass access events added in Elastic Endpoint 8.7."
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min_stack_version = "8.7.0"
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updated_date = "2023/03/02"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies access attempts to the LSASS handle, which may indicate an attempt to dump credentials from LSASS memory.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "LSASS Process Access via Windows API"
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references = ["https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1003.001/T1003.001.md"]
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risk_score = 47
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rule_id = "ff4599cb-409f-4910-a239-52e4e6f532ff"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Credential Access"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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api where host.os.type == "windows" and
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process.Ext.api.name in ("OpenProcess", "OpenThread") and Target.process.name : "lsass.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 = "T1003"
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name = "OS Credential Dumping"
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reference = "https://attack.mitre.org/techniques/T1003/"
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[[rule.threat.technique.subtechnique]]
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id = "T1003.001"
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name = "LSASS Memory"
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reference = "https://attack.mitre.org/techniques/T1003/001/"
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[rule.threat.tactic]
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id = "TA0006"
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name = "Credential Access"
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reference = "https://attack.mitre.org/tactics/TA0006/"
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