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Merge branch 'develop' into auto-ta-update-189
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‎data_sources/linux_auditd_add_user.yml‎

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name: Linux Auditd Add User
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id: 30f79353-e1d2-4585-8735-1e0359559f3f
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version: 1
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date: '2024-08-08'
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version: 2
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date: '2025-02-20'
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author: Teoderick Contreras, Splunk
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description: Data source object for Linux Auditd Add User Type
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source: /var/log/audit/audit.log
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sourcetype: linux:audit
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source: auditd
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sourcetype: auditd
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configuration: https://github.com/Neo23x0/auditd/blob/master/audit.rules
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supported_TA:
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- name: Splunk Add-on for Unix and Linux

‎data_sources/linux_auditd_execve.yml‎

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name: Linux Auditd Execve
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id: 9ef6364d-cc67-480e-8448-3306829a6a24
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version: 1
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date: '2024-08-08'
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version: 2
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date: '2025-02-20'
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author: Teoderick Contreras, Splunk
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description: Data source object for Linux Auditd Execve Type
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source: /var/log/audit/audit.log
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sourcetype: linux:audit
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source: auditd
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sourcetype: auditd
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configuration: https://github.com/Neo23x0/auditd/blob/master/audit.rules
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supported_TA:
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- name: Splunk Add-on for Unix and Linux

‎data_sources/linux_auditd_path.yml‎

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name: Linux Auditd Path
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id: 3d86125c-0496-4a5a-aae3-0d355a4f3d7d
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version: 1
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date: '2024-08-08'
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version: 2
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date: '2025-02-20'
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author: Teoderick Contreras, Splunk
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description: Data source object for Linux Auditd Path Type
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source: /var/log/audit/audit.log
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sourcetype: linux:audit
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source: auditd
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sourcetype: auditd
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configuration: https://github.com/Neo23x0/auditd/blob/master/audit.rules
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supported_TA:
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- name: Splunk Add-on for Unix and Linux

‎data_sources/linux_auditd_proctitle.yml‎

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name: Linux Auditd Proctitle
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id: 5a25984a-2789-400a-858b-d75c923e06b1
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version: 1
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date: '2024-08-08'
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version: 2
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date: '2025-02-20'
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author: Teoderick Contreras, Splunk
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description: Data source object for Linux Auditd Proctitle Type
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source: /var/log/audit/audit.log
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sourcetype: linux:audit
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source: auditd
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sourcetype: auditd
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configuration: https://github.com/Neo23x0/auditd/blob/master/audit.rules
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supported_TA:
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- name: Splunk Add-on for Unix and Linux

‎data_sources/linux_auditd_service_stop.yml‎

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name: Linux Auditd Service Stop
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id: 0643483c-bc62-455c-8d6e-1630e5f0e00d
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version: 1
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date: '2024-08-08'
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version: 2
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date: '2025-02-20'
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author: Teoderick Contreras, Splunk
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description: Data source object for Linux Auditd Service Stop Type
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source: /var/log/audit/audit.log
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sourcetype: linux:audit
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source: auditd
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sourcetype: auditd
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configuration: https://github.com/Neo23x0/auditd/blob/master/audit.rules
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supported_TA:
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- name: Splunk Add-on for Unix and Linux

‎data_sources/linux_auditd_syscall.yml‎

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name: Linux Auditd Syscall
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id: 4dff7047-0d43-4096-bb3f-b756c889bbad
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version: 1
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date: '2024-08-08'
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version: 2
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date: '2025-02-20'
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author: Teoderick Contreras, Splunk
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description: Data source object for Linux Auditd Syscall Type
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source: /var/log/audit/audit.log
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sourcetype: linux:audit
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source: auditd
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sourcetype: auditd
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configuration: https://github.com/Neo23x0/auditd/blob/master/audit.rules
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supported_TA:
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- name: Splunk Add-on for Unix and Linux

‎detections/endpoint/any_powershell_downloadfile.yml‎

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name: Any Powershell DownloadFile
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id: 1a93b7ea-7af7-11eb-adb5-acde48001122
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version: 11
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date: '2025-02-10'
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version: '12'
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date: '2025-02-24'
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author: Michael Haag, Splunk
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status: production
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type: TTP
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type: process_name
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tags:
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analytic_story:
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- Data Destruction
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- Ingress Tool Transfer
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- China-Nexus Threat Activity
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- Crypto Stealer
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- Hermetic Wiper
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- DarkCrystal RAT
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- PXA Stealer
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- Braodo Stealer
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- Phemedrone Stealer
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- Log4Shell CVE-2021-44228
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- Malicious PowerShell
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- Hermetic Wiper
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- Crypto Stealer
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- Nexus APT Threat Activity
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- Earth Estries
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- Phemedrone Stealer
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- Braodo Stealer
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- PXA Stealer
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- Data Destruction
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- Log4Shell CVE-2021-44228
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asset_type: Endpoint
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cve:
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- CVE-2021-44228
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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/T1059.001/atomic_red_team/windows-sysmon.log
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1059.001/atomic_red_team/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: XmlWinEventLog

‎detections/endpoint/detect_renamed_psexec.yml‎

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name: Detect Renamed PSExec
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id: 683e6196-b8e8-11eb-9a79-acde48001122
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version: 11
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date: '2025-02-10'
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version: '12'
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date: '2025-02-24'
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author: Michael Haag, Splunk, Alex Oberkircher, Github Community
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status: production
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type: Hunting
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- https://redcanary.com/blog/threat-hunting-psexec-lateral-movement/
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tags:
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analytic_story:
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- China-Nexus Threat Activity
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- BlackByte Ransomware
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- HAFNIUM Group
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- DHS Report TA18-074A
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- DarkSide Ransomware
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- SamSam Ransomware
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- CISA AA22-320A
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- HAFNIUM Group
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- Sandworm Tools
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- DarkSide Ransomware
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- Active Directory Lateral Movement
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- Nexus APT Threat Activity
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- DarkGate Malware
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- Earth Estries
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- Sandworm Tools
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- Rhysida Ransomware
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- Earth Estries
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- SamSam Ransomware
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asset_type: Endpoint
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mitre_attack_id:
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- T1569.002
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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/T1569.002/atomic_red_team/windows-sysmon.log
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1569.002/atomic_red_team/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: XmlWinEventLog

‎detections/endpoint/detect_renamed_winrar.yml‎

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name: Detect Renamed WinRAR
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id: 1b7bfb2c-b8e6-11eb-99ac-acde48001122
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version: 9
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date: '2025-02-10'
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version: '10'
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date: '2025-02-24'
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author: Michael Haag, Splunk
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status: production
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type: Hunting
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1560.001/T1560.001.md
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tags:
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analytic_story:
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- China-Nexus Threat Activity
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- CISA AA22-277A
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- Collection and Staging
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- Earth Estries
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- Nexus APT Threat Activity
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- CISA AA22-277A
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asset_type: Endpoint
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mitre_attack_id:
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- T1560.001
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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/T1560.001/archive_utility/windows-sysmon.log
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1560.001/archive_utility/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: XmlWinEventLog

‎detections/endpoint/executables_or_script_creation_in_suspicious_path.yml‎

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name: Executables Or Script Creation In Suspicious Path
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id: a7e3f0f0-ae42-11eb-b245-acde48001122
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version: 10
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date: '2025-01-27'
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version: '11'
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date: '2025-02-24'
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author: Teoderick Contreras, Splunk
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status: production
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type: Anomaly
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type: file_name
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tags:
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analytic_story:
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- Chaos Ransomware
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- BlackByte Ransomware
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- Brute Ratel C4
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- Trickbot
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- Snake Keylogger
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- CISA AA23-347A
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- Industroyer2
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- WinDealer RAT
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- Qakbot
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- Graceful Wipe Out Attack
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- PlugX
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- Handala Wiper
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- Earth Estries
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- Warzone RAT
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- IcedID
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- ValleyRAT
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- Azorult
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- Handala Wiper
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- NjRAT
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- LockBit Ransomware
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- Meduza Stealer
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- Brute Ratel C4
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- Double Zero Destructor
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- Swift Slicer
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- DarkCrystal RAT
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- AsyncRAT
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- AcidPour
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- Volt Typhoon
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- Chaos Ransomware
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- Hermetic Wiper
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- Derusbi
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- DarkGate Malware
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- Graceful Wipe Out Attack
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- NjRAT
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- WhisperGate
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- Data Destruction
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- BlackByte Ransomware
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- XMRig
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- AgentTesla
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- Swift Slicer
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- WinDealer RAT
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- RedLine Stealer
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- Remcos
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- Rhysida Ransomware
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- China-Nexus Threat Activity
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- Crypto Stealer
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- Hermetic Wiper
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- Qakbot
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- IcedID
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- Meduza Stealer
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- AcidPour
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- MoonPeak
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- Double Zero Destructor
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- XMRig
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- PlugX
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- CISA AA23-347A
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- DarkGate Malware
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- Industroyer2
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- Azorult
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- Data Destruction
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- Amadey
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- DarkCrystal RAT
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- Remcos
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- Nexus APT Threat Activity
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- Earth Estries
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- Rhysida Ransomware
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- RedLine Stealer
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- Volt Typhoon
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- WhisperGate
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asset_type: Endpoint
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mitre_attack_id:
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- T1036

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