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P4T12ICK
66 lines
2.5 KiB
YAML
66 lines
2.5 KiB
YAML
name: Disabling CMD Application
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id: ff86077c-9212-11eb-a1e6-acde48001122
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version: 2
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date: '2022-01-27'
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author: Teoderick Contreras, Splunk
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status: production
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type: TTP
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description: this search is to identify modification in registry to disable cmd prompt
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application. This technique is commonly seen in RAT, Trojan or WORM to prevent triaging
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or deleting there samples through cmd application which is one of the tool of analyst
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to traverse on directory and files.
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data_source:
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- Sysmon Event ID 13
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search:
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selection1:
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Details: '0x00000001'
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TargetObject: '*\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\DisableCMD'
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condition: selection1
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how_to_implement: To successfully implement this search you need to be ingesting information
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on process that include the name of the process responsible for the changes from
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your endpoints into the `Endpoint` datamodel in the `Registry` node. Also make sure
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that this registry was included in your config files ex. sysmon config to be monitored.
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known_false_positives: admin may disable this application for non technical user.
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references:
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- https://any.run/report/ea4ea08407d4ee72e009103a3b77e5a09412b722fdef67315ea63f22011152af/a866d7b1-c236-4f26-a391-5ae32213dfc4#registry
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tags:
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analytic_story:
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- Windows Defense Evasion Tactics
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- Windows Registry Abuse
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asset_type: Endpoint
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confidence: 50
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impact: 50
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message: The Windows command prompt was disabled on $dest$ by $user$.
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mitre_attack_id:
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- T1562.001
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- T1562
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observable:
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- name: user
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type: User
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role:
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- Victim
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- name: dest
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type: Hostname
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role:
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- Victim
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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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risk_score: 25
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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: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-security.log
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source: WinEventLog:Security
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sourcetype: WinEventLog
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update_timestamp: true
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-system.log
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source: WinEventLog:System
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sourcetype: WinEventLog
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update_timestamp: true
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: xmlwineventlog
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