{"id":"3ab79e90-9fab-4cdf-a7b2-6522bc742adb","title":"HackTool - RemoteKrbRelay SMB Relay Secrets Dump Module Indicators","description":"Detects the creation of file with specific names used by RemoteKrbRelay SMB Relay attack module.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2024-06-27","modified":"","tags":["attack.command-and-control","attack.t1219.002"],"technique_ids":["T1219.002"],"logsource":{"product":"windows","category":"file_event"},"falsepositives":["Unlikely"],"references":["https://github.com/CICADA8-Research/RemoteKrbRelay/blob/19ec76ba7aa50c2722b23359bc4541c0a9b2611c/Exploit/RemoteKrbRelay/Relay/Attacks/RemoteRegistry.cs#L31-L40"],"source_path":"rules/windows/file/file_event/file_event_win_hktl_krbrelay_remote_ioc.yml","source_sha256":"512638a287079459d7bf0695282f99e1225259946641b81bfc0e9eabff402a41","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/file/file_event/file_event_win_hktl_krbrelay_remote_ioc.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 - RemoteKrbRelay SMB Relay Secrets Dump Module Indicators\nid: 3ab79e90-9fab-4cdf-a7b2-6522bc742adb\nstatus: test\ndescription: Detects the creation of file with specific names used by RemoteKrbRelay SMB Relay attack module.\nreferences:\n    - https://github.com/CICADA8-Research/RemoteKrbRelay/blob/19ec76ba7aa50c2722b23359bc4541c0a9b2611c/Exploit/RemoteKrbRelay/Relay/Attacks/RemoteRegistry.cs#L31-L40\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2024-06-27\ntags:\n    - attack.command-and-control\n    - attack.t1219.002\nlogsource:\n    product: windows\n    category: file_event\ndetection:\n    selection:\n        TargetFilename|endswith:\n            - ':\\windows\\temp\\sam.tmp'\n            - ':\\windows\\temp\\sec.tmp'\n            - ':\\windows\\temp\\sys.tmp'\n    condition: selection\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1219.002","id":"T1219.002","name":"Remote Desktop Software","page":"techniques/enterprise/T1219.002/"}],"data_path":"data/detection-rules/3ab79e90-9fab-4cdf-a7b2-6522bc742adb.json","kind":"sigma"}