{"id":"6e78b74f-c762-4800-82ad-f66787f10c8a","title":"Potential Rcdll.DLL Sideloading","description":"Detects potential DLL sideloading of rcdll.dll","author":"X__Junior (Nextron Systems)","status":"test","level":"high","date":"2023-03-13","modified":"2023-03-15","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://www.trendmicro.com/en_us/research/23/c/iron-tiger-sysupdate-adds-linux-targeting.html"],"source_path":"rules/windows/image_load/image_load_side_load_rcdll.yml","source_sha256":"39aea3a5e2e88ef982e90c7b6ea104bb575d3380276f9bc4bb871cdc8f10a46f","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/image_load/image_load_side_load_rcdll.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 Rcdll.DLL Sideloading\nid: 6e78b74f-c762-4800-82ad-f66787f10c8a\nstatus: test\ndescription: Detects potential DLL sideloading of rcdll.dll\nreferences:\n    - https://www.trendmicro.com/en_us/research/23/c/iron-tiger-sysupdate-adds-linux-targeting.html\nauthor: X__Junior (Nextron Systems)\ndate: 2023-03-13\nmodified: 2023-03-15\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: '\\rcdll.dll'\n    filter:\n        ImageLoaded|startswith:\n            - 'C:\\Program Files (x86)\\Microsoft Visual Studio\\'\n            - 'C:\\Program Files (x86)\\Windows Kits\\'\n    condition: selection and not filter\nfalsepositives:\n    - Unknown\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/6e78b74f-c762-4800-82ad-f66787f10c8a.json","kind":"sigma"}