{"id":"72ca7c75-bf85-45cd-aca7-255d360e423c","title":"Potential Chrome Frame Helper DLL Sideloading","description":"Detects potential DLL sideloading of \"chrome_frame_helper.dll\"","author":"Nasreddine Bencherchali (Nextron Systems), Wietze Beukema (project and research)","status":"test","level":"medium","date":"2022-08-17","modified":"2023-05-15","tags":["attack.persistence","attack.privilege-escalation","attack.execution","attack.stealth","attack.t1574.001"],"technique_ids":["T1574.001"],"logsource":{"category":"image_load","product":"windows"},"falsepositives":["Unknown"],"references":["https://hijacklibs.net/entries/3rd_party/google/chrome_frame_helper.html"],"source_path":"rules/windows/image_load/image_load_side_load_chrome_frame_helper.yml","source_sha256":"6c8910af47bc4a37746ae6cabaf9da8bb5c404be0f94e81e7d57129c33a92f12","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/image_load/image_load_side_load_chrome_frame_helper.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Potential Chrome Frame Helper DLL Sideloading\nid: 72ca7c75-bf85-45cd-aca7-255d360e423c\nstatus: test\ndescription: Detects potential DLL sideloading of \"chrome_frame_helper.dll\"\nreferences:\n    - https://hijacklibs.net/entries/3rd_party/google/chrome_frame_helper.html\nauthor: Nasreddine Bencherchali (Nextron Systems), Wietze Beukema (project and research)\ndate: 2022-08-17\nmodified: 2023-05-15\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: '\\chrome_frame_helper.dll'\n    filter_main_path:\n        ImageLoaded|startswith:\n            - 'C:\\Program Files\\Google\\Chrome\\Application\\'\n            - 'C:\\Program Files (x86)\\Google\\Chrome\\Application\\'\n    filter_optional_user_path:\n        ImageLoaded|contains: '\\AppData\\local\\Google\\Chrome\\Application\\'\n    condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*\nfalsepositives:\n    - Unknown\nlevel: medium\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/72ca7c75-bf85-45cd-aca7-255d360e423c.json","kind":"sigma"}