{"id":"4fee3d51-8069-4a4c-a0f7-924fcaff2c70","title":"FileFix - Command Evidence in TypedPaths","description":"Detects commonly-used chained commands and strings in the most recent 'url' value of the 'TypedPaths' key, which could be indicative of a user being targeted by the FileFix technique.\n","author":"Alfie Champion (delivr.to), Swachchhanda Shrawan Poudel (Nextron Systems)","status":"experimental","level":"high","date":"2025-07-05","modified":"2025-11-19","tags":["attack.execution","attack.t1204.004"],"technique_ids":["T1204.004"],"logsource":{"category":"registry_set","product":"windows"},"falsepositives":["Unknown"],"references":["https://x.com/russianpanda9xx/status/1940831134759506029","https://mrd0x.com/filefix-clickfix-alternative/","https://www.scpx.com.au/2025/11/16/decades-old-finger-protocol-abused-in-clickfix-malware-attacks/"],"source_path":"rules/windows/registry/registry_set/registry_set_filefix_typedpath_commands.yml","source_sha256":"65ee43c0a744c3409a6e314eb67421e864db3daacd822a42b81efefedf6d375e","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/registry/registry_set/registry_set_filefix_typedpath_commands.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: FileFix - Command Evidence in TypedPaths\nid: 4fee3d51-8069-4a4c-a0f7-924fcaff2c70\nrelated:\n    - id: 4be03877-d5b6-4520-85c9-a5911c0a656c\n      type: similar\nstatus: experimental\ndescription: |\n    Detects commonly-used chained commands and strings in the most recent 'url' value of the 'TypedPaths' key, which could be indicative of a user being targeted by the FileFix technique.\nreferences:\n    - https://x.com/russianpanda9xx/status/1940831134759506029\n    - https://mrd0x.com/filefix-clickfix-alternative/\n    - https://www.scpx.com.au/2025/11/16/decades-old-finger-protocol-abused-in-clickfix-malware-attacks/\nauthor: Alfie Champion (delivr.to), Swachchhanda Shrawan Poudel (Nextron Systems)\ndate: 2025-07-05\nmodified: 2025-11-19\ntags:\n    - attack.execution\n    - attack.t1204.004\nlogsource:\n    category: registry_set\n    product: windows\ndetection:\n    selection_base:\n        TargetObject|endswith: '\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\TypedPaths\\url1'\n        Details|contains|all:\n            - '#'\n            - 'http'\n    selection_cmd:\n        - Details|contains:\n              # Add more suspicious keywords\n              - 'account'\n              - 'anti-bot'\n              - 'botcheck'\n              - 'captcha'\n              - 'challenge'\n              - 'confirmation'\n              - 'fraud'\n              - 'human'\n              - 'identification'\n              - 'identificator'\n              - 'identity'\n              - 'robot'\n              - 'validation'\n              - 'verification'\n              - 'verify'\n        - Details|contains:\n              - '%comspec%'\n              - 'bitsadmin'\n              - 'certutil'\n              - 'cmd'\n              - 'cscript'\n              - 'curl'\n              - 'finger'\n              - 'mshta'\n              - 'powershell'\n              - 'pwsh'\n              - 'regsvr32'\n              - 'rundll32'\n              - 'schtasks'\n              - 'wget'\n              - 'wscript'\n    condition: all of selection_*\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1204.004","id":"T1204.004","name":"Malicious Copy and Paste","page":"techniques/enterprise/T1204.004/"}],"data_path":"data/detection-rules/4fee3d51-8069-4a4c-a0f7-924fcaff2c70.json","kind":"sigma"}