{"id":"ea34fb97-e2c4-4afb-810f-785e4459b194","title":"Curl Usage on Linux","description":"Detects a curl process start on linux, which indicates a file download from a remote location or a simple web request to a remote server","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"low","date":"2022-09-15","modified":"","tags":["attack.command-and-control","attack.t1105"],"technique_ids":["T1105"],"logsource":{"category":"process_creation","product":"linux"},"falsepositives":["Scripts created by developers and admins","Administrative activity"],"references":["https://www.trendmicro.com/en_us/research/22/i/how-malicious-actors-abuse-native-linux-tools-in-their-attacks.html"],"source_path":"rules/linux/process_creation/proc_creation_lnx_curl_usage.yml","source_sha256":"e12fced783a0827d25143117b9e6fe407f980bf4e39b25b298964f7eee592c6a","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/process_creation/proc_creation_lnx_curl_usage.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Curl Usage on Linux\nid: ea34fb97-e2c4-4afb-810f-785e4459b194\nstatus: test\ndescription: Detects a curl process start on linux, which indicates a file download from a remote location or a simple web request to a remote server\nreferences:\n    - https://www.trendmicro.com/en_us/research/22/i/how-malicious-actors-abuse-native-linux-tools-in-their-attacks.html\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-09-15\ntags:\n    - attack.command-and-control\n    - attack.t1105\nlogsource:\n    category: process_creation\n    product: linux\ndetection:\n    selection:\n        Image|endswith: '/curl'\n    condition: selection\nfalsepositives:\n    - Scripts created by developers and admins\n    - Administrative activity\nlevel: low\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1105","id":"T1105","name":"Ingress Tool Transfer","page":"techniques/enterprise/T1105/"}],"data_path":"data/detection-rules/ea34fb97-e2c4-4afb-810f-785e4459b194.json","kind":"sigma"}