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Merge branch 'develop' into promptlock
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@@ -1,7 +1,7 @@
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name: Windows Driver Load Non-Standard Path
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id: 9216ef3d-066a-4958-8f27-c84589465e62
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version: 7
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date: '2025-05-02'
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version: 8
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date: '2025-09-23'
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author: Michael Haag, Splunk
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status: production
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type: TTP
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@@ -14,36 +14,42 @@ description: The following analytic detects the loading of new Kernel Mode Drive
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escalate privileges, or maintain persistence within the environment, posing a severe
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threat to system integrity and security.
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data_source:
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- Windows Event Log System 7045
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- Windows Event Log System 7045
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search: >-
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`wineventlog_system` EventCode=7045 ServiceType="kernel mode driver"
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| regex ImagePath!="(?i)^(\w:\\\\Windows\\\\|\w:\\\\Program\sFile|\\\\systemroot\\\\|%SystemRoot%|system32\\\\|\\\\ProgramData\\\\Microsoft\\\\Windows\sDefender\\\\Definition\sUpdates\\\\)"
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| stats count min(_time) as firstTime max(_time) as lastTime by Computer EventCode
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ImagePath ServiceName ServiceType | rename Computer as dest | `security_content_ctime(firstTime)` |
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`security_content_ctime(lastTime)` | `windows_driver_load_non_standard_path_filter`
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how_to_implement: To implement this analytic, the Windows EventCode 7045 will need
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to be logged. The Windows TA for Splunk is also recommended.
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known_false_positives: False positives may be present based on legitimate third party
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applications needing to install drivers. Filter, or allow list known good drivers
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consistently being installed in these paths.
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`wineventlog_system`
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EventCode = 7045
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ServiceType = "kernel mode driver"
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| regex ImagePath != "(?i)^(\w:\\\\Program Files\\\\|\w:\\\\Program Files \(x86\)\\\\|\w:\\\\Windows\\\\System32\\\\|\w:\\\\Windows\\\\SysWOW64\\\\|\w:\\\\ProgramData\\\\Microsoft\\\\Windows Defender\\\\Definition Updates\\\\|\w:\\\\ProgramData\\\\Microsoft\\\\Windows Defender\\\\Platform\\\\|%SystemRoot%|\\\\SystemRoot\\\\|SystemRoot\\\\)"
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| stats count min(_time) as firstTime max(_time) as lastTime by
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Computer EventCode ImagePath ServiceName ServiceType
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| rename Computer as dest
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| `security_content_ctime(firstTime)`
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| `security_content_ctime(lastTime)`
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| `windows_driver_load_non_standard_path_filter`
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how_to_implement: |
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To implement this analytic, the Windows EventCode 7045 will need to be logged.
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The Windows TA for Splunk is also recommended.
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known_false_positives: |
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False positives may be present based on legitimate third party applications needing to install drivers.
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Filter, or allow list known good drivers consistently being installed in these paths.
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references:
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- https://redcanary.com/blog/tracking-driver-inventory-to-expose-rootkits/
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- https://attack.mitre.org/techniques/T1014/
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- https://www.fuzzysecurity.com/tutorials/28.html
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- https://redcanary.com/blog/tracking-driver-inventory-to-expose-rootkits/
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- https://attack.mitre.org/techniques/T1014/
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- https://www.fuzzysecurity.com/tutorials/28.html
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drilldown_searches:
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- name: View the detection results for - "$dest$"
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search: '%original_detection_search% | search dest = "$dest$"'
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earliest_offset: $info_min_time$
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latest_offset: $info_max_time$
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- name: View risk events for the last 7 days for - "$dest$"
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search: '| from datamodel Risk.All_Risk | search normalized_risk_object IN ("$dest$")
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starthoursago=168 | stats count min(_time) as firstTime max(_time) as lastTime
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values(search_name) as "Search Name" values(risk_message) as "Risk Message" values(analyticstories)
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as "Analytic Stories" values(annotations._all) as "Annotations" values(annotations.mitre_attack.mitre_tactic)
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as "ATT&CK Tactics" by normalized_risk_object | `security_content_ctime(firstTime)`
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| `security_content_ctime(lastTime)`'
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earliest_offset: $info_min_time$
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latest_offset: $info_max_time$
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- name: View the detection results for - "$dest$"
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search: '%original_detection_search% | search dest = "$dest$"'
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earliest_offset: $info_min_time$
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latest_offset: $info_max_time$
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- name: View risk events for the last 7 days for - "$dest$"
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search: '| from datamodel Risk.All_Risk | search normalized_risk_object IN ("$dest$")
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starthoursago=168 | stats count min(_time) as firstTime max(_time) as lastTime
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values(search_name) as "Search Name" values(risk_message) as "Risk Message" values(analyticstories)
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as "Analytic Stories" values(annotations._all) as "Annotations" values(annotations.mitre_attack.mitre_tactic)
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as "ATT&CK Tactics" by normalized_risk_object | `security_content_ctime(firstTime)`
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| `security_content_ctime(lastTime)`'
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earliest_offset: $info_min_time$
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latest_offset: $info_max_time$
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rba:
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message: A kernel mode driver was loaded from a non-standard path on $dest$.
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risk_objects:
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@@ -53,24 +59,24 @@ rba:
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threat_objects: []
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tags:
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analytic_story:
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- Windows Drivers
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- CISA AA22-320A
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- AgentTesla
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- BlackByte Ransomware
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- BlackSuit Ransomware
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- Windows Drivers
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- CISA AA22-320A
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- AgentTesla
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- BlackByte Ransomware
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- BlackSuit Ransomware
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asset_type: Endpoint
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mitre_attack_id:
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- T1014
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- T1068
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- T1014
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- T1068
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product:
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- Splunk Enterprise
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- Splunk Enterprise Security
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- Splunk Cloud
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- Splunk Enterprise
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- Splunk Enterprise Security
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- Splunk Cloud
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security_domain: endpoint
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tests:
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- name: True Positive Test
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attack_data:
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- data:
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https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1068/drivers/xml7045_windows-system.log
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source: XmlWinEventLog:System
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sourcetype: XmlWinEventLog
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- name: True Positive Test
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attack_data:
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- data:
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https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1068/drivers/xml7045_windows-system.log
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source: XmlWinEventLog:System
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sourcetype: XmlWinEventLog
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