{"id":"1ac8666b-046f-4201-8aba-1951aaec03a3","title":"Command Line Execution with Suspicious URL and AppData Strings","description":"Detects a suspicious command line execution that includes an URL and AppData string in the command line parameters as used by several droppers (js/vbs > powershell)","author":"Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community","status":"test","level":"medium","date":"2019-01-16","modified":"2021-11-27","tags":["attack.execution","attack.command-and-control","attack.t1059.003","attack.t1059.001","attack.t1105"],"technique_ids":["T1059.001","T1059.003","T1105"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["High"],"references":["https://www.hybrid-analysis.com/sample/3a1f01206684410dbe8f1900bbeaaa543adfcd07368ba646b499fa5274b9edf6?environmentId=100","https://www.hybrid-analysis.com/sample/f16c729aad5c74f19784a24257236a8bbe27f7cdc4a89806031ec7f1bebbd475?environmentId=100"],"source_path":"rules/windows/process_creation/proc_creation_win_cmd_http_appdata.yml","source_sha256":"169902074ab2df964d15452bbd783ccda4ddd1ab7c042ea19aa8ccc650aff699","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_cmd_http_appdata.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Command Line Execution with Suspicious URL and AppData Strings\nid: 1ac8666b-046f-4201-8aba-1951aaec03a3\nstatus: test\ndescription: Detects a suspicious command line execution that includes an URL and AppData string in the command line parameters as used by several droppers (js/vbs > powershell)\nreferences:\n    - https://www.hybrid-analysis.com/sample/3a1f01206684410dbe8f1900bbeaaa543adfcd07368ba646b499fa5274b9edf6?environmentId=100\n    - https://www.hybrid-analysis.com/sample/f16c729aad5c74f19784a24257236a8bbe27f7cdc4a89806031ec7f1bebbd475?environmentId=100\nauthor: Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community\ndate: 2019-01-16\nmodified: 2021-11-27\ntags:\n    - attack.execution\n    - attack.command-and-control\n    - attack.t1059.003\n    - attack.t1059.001\n    - attack.t1105\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        Image|endswith: '\\cmd.exe'\n        CommandLine|contains|all:\n            - 'http' # captures both http and https\n            - '://'\n            - '%AppData%'\n    condition: selection\nfalsepositives:\n    - High\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1059.001","id":"T1059.001","name":"PowerShell","page":"techniques/enterprise/T1059.001/"},{"key":"enterprise/T1059.003","id":"T1059.003","name":"Windows Command Shell","page":"techniques/enterprise/T1059.003/"},{"key":"enterprise/T1105","id":"T1105","name":"Ingress Tool Transfer","page":"techniques/enterprise/T1105/"}],"data_path":"data/detection-rules/1ac8666b-046f-4201-8aba-1951aaec03a3.json","kind":"sigma"}