{"id":"ea5c131b-380d-49f9-aeb3-920694da4d4b","title":"Suspicious Unsigned Thor Scanner Execution","description":"Detects loading and execution of an unsigned thor scanner binary.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"stable","level":"high","date":"2023-10-29","modified":"","tags":["attack.privilege-escalation","attack.persistence","attack.execution","attack.stealth","attack.t1574.001"],"technique_ids":["T1574.001"],"logsource":{"category":"image_load","product":"windows"},"falsepositives":["Other legitimate binaries named \"thor.exe\" that aren't published by Nextron Systems"],"references":["Internal Research"],"source_path":"rules/windows/image_load/image_load_thor_unsigned_execution.yml","source_sha256":"494c5163300d274fe8c653b7fa39fe1b1e3e25a3d7159dea40a542de53defb35","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/image_load/image_load_thor_unsigned_execution.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Unsigned Thor Scanner Execution\nid: ea5c131b-380d-49f9-aeb3-920694da4d4b\nstatus: stable\ndescription: Detects loading and execution of an unsigned thor scanner binary.\nreferences:\n    - Internal Research\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2023-10-29\ntags:\n    - attack.privilege-escalation\n    - attack.persistence\n    - attack.execution\n    - attack.stealth\n    - attack.t1574.001\nlogsource:\n    category: image_load\n    product: windows\ndetection:\n    selection:\n        Image|endswith:\n            - '\\thor.exe'\n            - '\\thor64.exe'\n        ImageLoaded|endswith:\n            - '\\thor.exe'\n            - '\\thor64.exe'\n    filter_main:\n        Signed: 'true'\n        SignatureStatus: 'valid'\n        Signature: 'Nextron Systems GmbH'\n    condition: selection and not filter_main\nfalsepositives:\n    - Other legitimate binaries named \"thor.exe\" that aren't published by Nextron Systems\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1574.001","id":"T1574.001","name":"DLL","page":"techniques/enterprise/T1574.001/"}],"data_path":"data/detection-rules/ea5c131b-380d-49f9-aeb3-920694da4d4b.json","kind":"sigma"}