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Added detection testing service results inDetect Credential Dumping through LSASS access
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@@ -1,6 +1,4 @@
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name: Detect Credential Dumping through LSASS access
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id: 2c365e57-4414-4540-8dc0-73ab10729996
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version: 3
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author: Patrick Bareiss, Splunk
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date: '2019-12-03'
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description: This search looks for reading lsass memory consistent with credential
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dumping.
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@@ -10,32 +8,35 @@ how_to_implement: This search needs Sysmon Logs and a sysmon configuration, whic
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(index, source, sourcetype, etc.) for Windows Sysmon logs. Replace the macro definition
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with configurations for your Splunk environment. The search also uses a post-filter
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macro designed to filter out known false positives.
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type: ESCU
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id: 2c365e57-4414-4540-8dc0-73ab10729996
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known_false_positives: The activity may be legitimate. Other tools can access lsass
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for legitimate reasons, and it's possible this event could be generated in those
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cases. In these cases, false positives should be fairly obvious and you may need
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to tweak the search to eliminate noise.
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name: Detect Credential Dumping through LSASS access
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references: []
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author: Patrick Bareiss, Splunk
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search: '`sysmon` EventCode=10 TargetImage=*lsass.exe (GrantedAccess=0x1010 OR GrantedAccess=0x1410)
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| stats count min(_time) as firstTime max(_time) as lastTime by Computer, SourceImage,
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SourceProcessId, TargetImage, TargetProcessId, EventCode, GrantedAccess | rename
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Computer as dest | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)`
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| `detect_credential_dumping_through_lsass_access_filter` '
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known_false_positives: The activity may be legitimate. Other tools can access lsass
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for legitimate reasons, and it's possible this event could be generated in those
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cases. In these cases, false positives should be fairly obvious and you may need
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to tweak the search to eliminate noise.
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tags:
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analytics_story:
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- Credential Dumping
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mitre_attack_id:
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- T1003.001
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kill_chain_phases:
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- Actions on Objectives
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asset_type: Windows
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automated_detection_testing: passed
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cis20:
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- CIS 3
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- CIS 5
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- CIS 16
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kill_chain_phases:
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- Actions on Objectives
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mitre_attack_id:
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- T1003.001
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nist:
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- PR.IP
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- PR.AC
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- DE.CM
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security_domain: endpoint
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asset_type: Windows
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type: ESCU
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version: 3
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