{"id":"d3bf399f-b0cf-4250-8bb4-dfc192ab81dc","title":"Ie4uinit Lolbin Use From Invalid Path","description":"Detect use of ie4uinit.exe to execute commands from a specially prepared ie4uinit.inf file from a directory other than the usual directories","author":"frack113","status":"test","level":"medium","date":"2022-05-07","modified":"2022-05-16","tags":["attack.stealth","attack.t1218"],"technique_ids":["T1218"],"logsource":{"product":"windows","category":"process_creation"},"falsepositives":["ViberPC updater calls this binary with the following commandline \"ie4uinit.exe -ClearIconCache\""],"references":["https://lolbas-project.github.io/lolbas/Binaries/Ie4uinit/","https://bohops.com/2018/03/10/leveraging-inf-sct-fetch-execute-techniques-for-bypass-evasion-persistence-part-2/"],"source_path":"rules/windows/process_creation/proc_creation_win_lolbin_ie4uinit.yml","source_sha256":"49bfc3acb10917a3e3c7604478df4a91e0d99a55c28158c3dca73b2c32e49fc6","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_lolbin_ie4uinit.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Ie4uinit Lolbin Use From Invalid Path\nid: d3bf399f-b0cf-4250-8bb4-dfc192ab81dc\nstatus: test\ndescription: Detect use of ie4uinit.exe to execute commands from a specially prepared ie4uinit.inf file from a directory other than the usual directories\nreferences:\n    - https://lolbas-project.github.io/lolbas/Binaries/Ie4uinit/\n    - https://bohops.com/2018/03/10/leveraging-inf-sct-fetch-execute-techniques-for-bypass-evasion-persistence-part-2/\nauthor: frack113\ndate: 2022-05-07\nmodified: 2022-05-16\ntags:\n    - attack.stealth\n    - attack.t1218\nlogsource:\n    product: windows\n    category: process_creation\ndetection:\n    lolbin:\n        - Image|endswith: '\\ie4uinit.exe'\n        - OriginalFileName: 'IE4UINIT.EXE'\n    filter_correct:\n        CurrentDirectory:\n            - 'c:\\windows\\system32\\'\n            - 'c:\\windows\\sysWOW64\\'\n    filter_missing:\n        CurrentDirectory: null\n    condition: lolbin and not 1 of filter_*\nfalsepositives:\n    - ViberPC updater calls this binary with the following commandline \"ie4uinit.exe -ClearIconCache\"\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/d3bf399f-b0cf-4250-8bb4-dfc192ab81dc.json","kind":"sigma"}