{"id":"caa06de8-fdef-4c91-826a-7f9e163eef4b","title":"RunDLL32 Spawning Explorer","description":"Detects RunDLL32.exe spawning explorer.exe as child, which is very uncommon, often observes Gamarue spawning the explorer.exe process in an unusual way","author":"elhoim, CD_ROM_","status":"test","level":"high","date":"2022-04-27","modified":"2022-05-25","tags":["attack.stealth","attack.t1218.011"],"technique_ids":["T1218.011"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://redcanary.com/blog/intelligence-insights-november-2021/"],"source_path":"rules/windows/process_creation/proc_creation_win_rundll32_spawn_explorer.yml","source_sha256":"8d8583eb98b1881599ed60405d48a8878c16b5b362192164ef81b350929e0284","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_rundll32_spawn_explorer.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: RunDLL32 Spawning Explorer\nid: caa06de8-fdef-4c91-826a-7f9e163eef4b\nstatus: test\ndescription: Detects RunDLL32.exe spawning explorer.exe as child, which is very uncommon, often observes Gamarue spawning the explorer.exe process in an unusual way\nreferences:\n    - https://redcanary.com/blog/intelligence-insights-november-2021/\nauthor: elhoim, CD_ROM_\ndate: 2022-04-27\nmodified: 2022-05-25\ntags:\n    - attack.stealth\n    - attack.t1218.011\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        ParentImage|endswith: '\\rundll32.exe'\n        Image|endswith: '\\explorer.exe'\n    filter:\n        ParentCommandLine|contains: '\\shell32.dll,Control_RunDLL'\n    condition: selection and not filter\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218.011","id":"T1218.011","name":"Rundll32","page":"techniques/enterprise/T1218.011/"}],"data_path":"data/detection-rules/caa06de8-fdef-4c91-826a-7f9e163eef4b.json","kind":"sigma"}
