{"id":"42333b2c-b425-441c-b70e-99404a17170f","title":"HackTool - Sliver C2 Implant Activity Pattern","description":"Detects process activity patterns as seen being used by Sliver C2 framework implants","author":"Nasreddine Bencherchali (Nextron Systems), Florian Roth (Nextron Systems)","status":"test","level":"critical","date":"2022-08-25","modified":"2023-03-05","tags":["attack.execution","attack.t1059"],"technique_ids":["T1059"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unlikely"],"references":["https://github.com/BishopFox/sliver/blob/79f2d48fcdfc2bee4713b78d431ea4b27f733f30/implant/sliver/shell/shell_windows.go#L36","https://www.microsoft.com/security/blog/2022/08/24/looking-for-the-sliver-lining-hunting-for-emerging-command-and-control-frameworks/"],"source_path":"rules/windows/process_creation/proc_creation_win_hktl_sliver_c2_execution_pattern.yml","source_sha256":"2db446085af28e4d1beaaebd9aa1a49b3ee8e04b8c22551fa5e5d60574bb0b47","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_hktl_sliver_c2_execution_pattern.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 - Sliver C2 Implant Activity Pattern\nid: 42333b2c-b425-441c-b70e-99404a17170f\nstatus: test\ndescription: Detects process activity patterns as seen being used by Sliver C2 framework implants\nreferences:\n    - https://github.com/BishopFox/sliver/blob/79f2d48fcdfc2bee4713b78d431ea4b27f733f30/implant/sliver/shell/shell_windows.go#L36\n    - https://www.microsoft.com/security/blog/2022/08/24/looking-for-the-sliver-lining-hunting-for-emerging-command-and-control-frameworks/\nauthor: Nasreddine Bencherchali (Nextron Systems), Florian Roth (Nextron Systems)\ndate: 2022-08-25\nmodified: 2023-03-05\ntags:\n    - attack.execution\n    - attack.t1059\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        CommandLine|contains: '-NoExit -Command [Console]::OutputEncoding=[Text.UTF8Encoding]::UTF8'\n    condition: selection\nfalsepositives:\n    - Unlikely\nlevel: critical\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1059","id":"T1059","name":"Command and Scripting Interpreter","page":"techniques/enterprise/T1059/"}],"data_path":"data/detection-rules/42333b2c-b425-441c-b70e-99404a17170f.json","kind":"sigma"}