diff --git a/detections/detect_credential_dumping_through_lsass_access.yml b/detections/detect_credential_dumping_through_lsass_access.yml index 95b2585e9c..d1c41d4887 100644 --- a/detections/detect_credential_dumping_through_lsass_access.yml +++ b/detections/detect_credential_dumping_through_lsass_access.yml @@ -1,6 +1,4 @@ -name: Detect Credential Dumping through LSASS access -id: 2c365e57-4414-4540-8dc0-73ab10729996 -version: 3 +author: Patrick Bareiss, Splunk date: '2019-12-03' description: This search looks for reading lsass memory consistent with credential dumping. @@ -10,33 +8,36 @@ how_to_implement: This search needs Sysmon Logs and a sysmon configuration, whic (index, source, sourcetype, etc.) for Windows Sysmon logs. Replace the macro definition with configurations for your Splunk environment. The search also uses a post-filter macro designed to filter out known false positives. -type: ESCU +id: 2c365e57-4414-4540-8dc0-73ab10729996 +known_false_positives: The activity may be legitimate. Other tools can access lsass + for legitimate reasons, and it's possible this event could be generated in those + cases. In these cases, false positives should be fairly obvious and you may need + to tweak the search to eliminate noise. +name: Detect Credential Dumping through LSASS access references: [] -author: Patrick Bareiss, Splunk search: '`sysmon` EventCode=10 TargetImage=*lsass.exe (GrantedAccess=0x1010 OR GrantedAccess=0x1410) | stats count min(_time) as firstTime max(_time) as lastTime by Computer, SourceImage, SourceProcessId, TargetImage, TargetProcessId, EventCode, GrantedAccess | rename Computer as dest | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)` | `detect_credential_dumping_through_lsass_access_filter` ' -known_false_positives: The activity may be legitimate. Other tools can access lsass - for legitimate reasons, and it's possible this event could be generated in those - cases. In these cases, false positives should be fairly obvious and you may need - to tweak the search to eliminate noise. tags: analytics_story: - Credential Dumping - Detect Zerologon Attack - mitre_attack_id: - - T1003.001 - kill_chain_phases: - - Actions on Objectives + asset_type: Windows + automated_detection_testing: passed cis20: - CIS 3 - CIS 5 - CIS 16 + kill_chain_phases: + - Actions on Objectives + mitre_attack_id: + - T1003.001 nist: - PR.IP - PR.AC - DE.CM security_domain: endpoint - asset_type: Windows +type: ESCU +version: 3