{"id":"e4be5675-4a53-426a-8c81-a8bb2387e947","title":"CodeIntegrity - Blocked Image/Driver Load For Policy Violation","description":"Detects blocked load events that did not meet the authenticode signing level requirements or violated the code integrity policy.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-11-10","modified":"2023-06-07","tags":["attack.persistence","attack.privilege-escalation","attack.t1543"],"technique_ids":["T1543"],"logsource":{"product":"windows","service":"codeintegrity-operational"},"falsepositives":["Unknown"],"references":["https://twitter.com/wdormann/status/1590434950335320065","https://github.com/MicrosoftDocs/windows-itpro-docs/blob/40fe118976734578f83e5e839b9c63ae7a4af82d/windows/security/threat-protection/windows-defender-application-control/event-id-explanations.md#windows-codeintegrity-operational-log","https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-id-explanations"],"source_path":"rules/windows/builtin/code_integrity/win_codeintegrity_enforced_policy_block.yml","source_sha256":"34c474cdacea8f6df506d445a5c790570565fc8051720a82d53e276a1785a326","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/builtin/code_integrity/win_codeintegrity_enforced_policy_block.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: CodeIntegrity - Blocked Image/Driver Load For Policy Violation\nid: e4be5675-4a53-426a-8c81-a8bb2387e947\nstatus: test\ndescription: Detects blocked load events that did not meet the authenticode signing level requirements or violated the code integrity policy.\nreferences:\n    - https://twitter.com/wdormann/status/1590434950335320065\n    - https://github.com/MicrosoftDocs/windows-itpro-docs/blob/40fe118976734578f83e5e839b9c63ae7a4af82d/windows/security/threat-protection/windows-defender-application-control/event-id-explanations.md#windows-codeintegrity-operational-log\n    - https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-id-explanations\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-11-10\nmodified: 2023-06-07\ntags:\n    - attack.persistence\n    - attack.privilege-escalation\n    - attack.t1543\nlogsource:\n    product: windows\n    service: codeintegrity-operational\ndetection:\n    selection:\n        EventID: 3077 # Code Integrity determined that a process (%4) attempted to load %2 that did not meet the %5 signing level requirements or violated code integrity policy (Policy ID:%XX).\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1543","id":"T1543","name":"Create or Modify System Process","page":"techniques/enterprise/T1543/"}],"data_path":"data/detection-rules/e4be5675-4a53-426a-8c81-a8bb2387e947.json","kind":"sigma"}