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Added detection testing service results inAccess LSASS Memory for Dump Creation
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@@ -1,6 +1,4 @@
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name: Access LSASS Memory for Dump Creation
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id: fb4c31b0-13e8-4155-8aa5-24de4b8d6717
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version: 2
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author: Patrick Bareiss, Splunk
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date: '2019-12-06'
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description: Detect memory dumping of the LSASS process.
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how_to_implement: This search requires Sysmon Logs and a Sysmon configuration, which
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@@ -9,27 +7,30 @@ how_to_implement: This search requires Sysmon Logs and a Sysmon configuration, w
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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: fb4c31b0-13e8-4155-8aa5-24de4b8d6717
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known_false_positives: Administrators can create memory dumps for debugging purposes,
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but memory dumps of the LSASS process would be unusual.
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name: Access LSASS Memory for Dump Creation
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references:
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- https://2017.zeronights.org/wp-content/uploads/materials/ZN17_Kheirkhabarov_Hunting_for_Credentials_Dumping_in_Windows_Environment.pdf
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author: Patrick Bareiss, Splunk
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search: '`sysmon` EventCode=10 TargetImage=*lsass.exe CallTrace=*dbgcore.dll* OR CallTrace=*dbghelp.dll*
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| stats count min(_time) as firstTime max(_time) as lastTime by Computer, TargetImage,
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TargetProcessId, SourceImage, SourceProcessId | rename Computer as dest | `security_content_ctime(firstTime)`|
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`security_content_ctime(lastTime)` | `access_lsass_memory_for_dump_creation_filter` '
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known_false_positives: Administrators can create memory dumps for debugging purposes,
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but memory dumps of the LSASS process would be unusual.
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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 6
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- CIS 8
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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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- 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: 2
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