{"id":"cf93e05e-d798-4d9e-b522-b0248dc61eaf","title":"HackTool - SharpChisel Execution","description":"Detects usage of the Sharp Chisel via the commandline arguments","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-09-05","modified":"2023-02-13","tags":["attack.command-and-control","attack.t1090.001"],"technique_ids":["T1090.001"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unlikely"],"references":["https://github.com/shantanu561993/SharpChisel","https://www.sentinelone.com/labs/wading-through-muddy-waters-recent-activity-of-an-iranian-state-sponsored-threat-actor/"],"source_path":"rules/windows/process_creation/proc_creation_win_hktl_sharp_chisel.yml","source_sha256":"2dff6022e56e33c75a94ff44a847b059620b1f97a0b077f87512daae002555f8","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_hktl_sharp_chisel.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 - SharpChisel Execution\nid: cf93e05e-d798-4d9e-b522-b0248dc61eaf\nrelated:\n    - id: 8b0e12da-d3c3-49db-bb4f-256703f380e5\n      type: similar\nstatus: test\ndescription: Detects usage of the Sharp Chisel via the commandline arguments\nreferences:\n    - https://github.com/shantanu561993/SharpChisel\n    - https://www.sentinelone.com/labs/wading-through-muddy-waters-recent-activity-of-an-iranian-state-sponsored-threat-actor/\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-09-05\nmodified: 2023-02-13\ntags:\n    - attack.command-and-control\n    - attack.t1090.001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        - Image|endswith: '\\SharpChisel.exe'\n        - Product: 'SharpChisel'\n    # See rule 8b0e12da-d3c3-49db-bb4f-256703f380e5 for Chisel.exe coverage\n    condition: selection\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1090.001","id":"T1090.001","name":"Internal Proxy","page":"techniques/enterprise/T1090.001/"}],"data_path":"data/detection-rules/cf93e05e-d798-4d9e-b522-b0248dc61eaf.json","kind":"sigma"}