{"id":"e96253b8-6b3b-4f90-9e59-3b24b99cf9b4","title":"HackTool - KrbRelay Execution","description":"Detects the use of KrbRelay, a Kerberos relaying tool","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-04-27","modified":"2023-02-04","tags":["attack.credential-access","attack.t1558.003"],"technique_ids":["T1558.003"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unlikely"],"references":["https://github.com/cube0x0/KrbRelay"],"source_path":"rules/windows/process_creation/proc_creation_win_hktl_krbrelay.yml","source_sha256":"be1b625ee811582df702d77bd85c83dc266df63d7f15204854bce2ea10c21f91","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_hktl_krbrelay.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: HackTool - KrbRelay Execution\nid: e96253b8-6b3b-4f90-9e59-3b24b99cf9b4\nstatus: test\ndescription: Detects the use of KrbRelay, a Kerberos relaying tool\nreferences:\n    - https://github.com/cube0x0/KrbRelay\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-04-27\nmodified: 2023-02-04\ntags:\n    - attack.credential-access\n    - attack.t1558.003\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\KrbRelay.exe'\n        - OriginalFileName: 'KrbRelay.exe' # In case the file has been renamed after compilation\n    selection_cli_1:\n        CommandLine|contains|all:\n            - ' -spn '\n            - ' -clsid '\n            - ' -rbcd '\n    selection_cli_2:\n        CommandLine|contains|all:\n            - 'shadowcred'\n            - 'clsid'\n            - 'spn'\n    selection_cli_3:\n        CommandLine|contains|all:\n            - 'spn '\n            - 'session '\n            - 'clsid '\n    condition: 1 of selection_*\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1558.003","id":"T1558.003","name":"Kerberoasting","page":"techniques/enterprise/T1558.003/"}],"data_path":"data/detection-rules/e96253b8-6b3b-4f90-9e59-3b24b99cf9b4.json","kind":"sigma"}