{"id":"e9142d84-fbe0-401d-ac50-3e519fb00c89","title":"WhoAmI as Parameter","description":"Detects a suspicious process command line that uses whoami as first parameter (as e.g. used by EfsPotato)","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2021-11-29","modified":"2022-12-25","tags":["attack.discovery","attack.t1033","car.2016-03-001"],"technique_ids":["T1033"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://twitter.com/blackarrowsec/status/1463805700602224645?s=12"],"source_path":"rules/windows/process_creation/proc_creation_win_susp_whoami_as_param.yml","source_sha256":"f1a2ec7ccf346470771611b7e2fd9fc142c4b2082ae3f4e36a4e968ddf5c03ea","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_susp_whoami_as_param.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: WhoAmI as Parameter\nid: e9142d84-fbe0-401d-ac50-3e519fb00c89\nstatus: test\ndescription: Detects a suspicious process command line that uses whoami as first parameter (as e.g. used by EfsPotato)\nreferences:\n    - https://twitter.com/blackarrowsec/status/1463805700602224645?s=12\nauthor: Florian Roth (Nextron Systems)\ndate: 2021-11-29\nmodified: 2022-12-25\ntags:\n    - attack.discovery\n    - attack.t1033\n    - car.2016-03-001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        CommandLine|contains: '.exe whoami'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1033","id":"T1033","name":"System Owner/User Discovery","page":"techniques/enterprise/T1033/"}],"data_path":"data/detection-rules/e9142d84-fbe0-401d-ac50-3e519fb00c89.json","kind":"sigma"}