{"id":"948a0953-f287-4806-bbcb-3b2e396df89f","title":"Unsigned Mfdetours.DLL Sideloading","description":"Detects DLL sideloading of unsigned \"mfdetours.dll\". Executing \"mftrace.exe\" can be abused to attach to an arbitrary process and force load any DLL named \"mfdetours.dll\" from the current directory of execution.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2023-08-11","modified":"","tags":["attack.persistence","attack.privilege-escalation","attack.execution","attack.stealth","attack.t1574.001"],"technique_ids":["T1574.001"],"logsource":{"category":"image_load","product":"windows"},"falsepositives":["Unlikely"],"references":["Internal Research"],"source_path":"rules/windows/image_load/image_load_side_load_mfdetours_unsigned.yml","source_sha256":"6fa630a9dff44ea18b3b89f8f719e50edf14ffdb49f0777b7672871e03e71c46","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/image_load/image_load_side_load_mfdetours_unsigned.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Unsigned Mfdetours.DLL Sideloading\nid: 948a0953-f287-4806-bbcb-3b2e396df89f\nrelated:\n    - id: d2605a99-2218-4894-8fd3-2afb7946514d\n      type: similar\nstatus: test\ndescription: Detects DLL sideloading of unsigned \"mfdetours.dll\". Executing \"mftrace.exe\" can be abused to attach to an arbitrary process and force load any DLL named \"mfdetours.dll\" from the current directory of execution.\nreferences:\n    - Internal Research\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2023-08-11\ntags:\n    - attack.persistence\n    - attack.privilege-escalation\n    - attack.execution\n    - attack.stealth\n    - attack.t1574.001\nlogsource:\n    category: image_load\n    product: windows\ndetection:\n    selection:\n        ImageLoaded|endswith: '\\mfdetours.dll'\n    filter_main_legit_path:\n        ImageLoaded|contains: ':\\Program Files (x86)\\Windows Kits\\10\\bin\\'\n        SignatureStatus: 'Valid'\n    condition: selection and not 1 of filter_main_*\nfalsepositives:\n    - Unlikely\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/948a0953-f287-4806-bbcb-3b2e396df89f.json","kind":"sigma"}