{"id":"1edd77db-0669-4fef-9598-165bda82826d","title":"Guacamole Two Users Sharing Session Anomaly","description":"Detects suspicious session with two users present","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2020-07-03","modified":"2021-11-27","tags":["attack.credential-access","attack.t1212"],"technique_ids":["T1212"],"logsource":{"product":"linux","service":"guacamole"},"falsepositives":["Unknown"],"references":["https://research.checkpoint.com/2020/apache-guacamole-rce/"],"source_path":"rules/linux/builtin/guacamole/lnx_guacamole_susp_guacamole.yml","source_sha256":"431d8771197cd96e4ebb367eb812d235d74e677f7c70a352a54d4596b28f89e9","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/builtin/guacamole/lnx_guacamole_susp_guacamole.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Guacamole Two Users Sharing Session Anomaly\nid: 1edd77db-0669-4fef-9598-165bda82826d\nstatus: test\ndescription: Detects suspicious session with two users present\nreferences:\n    - https://research.checkpoint.com/2020/apache-guacamole-rce/\nauthor: Florian Roth (Nextron Systems)\ndate: 2020-07-03\nmodified: 2021-11-27\ntags:\n    - attack.credential-access\n    - attack.t1212\nlogsource:\n    product: linux\n    service: guacamole\ndetection:\n    selection:\n        - '(2 users now present)'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1212","id":"T1212","name":"Exploitation for Credential Access","page":"techniques/enterprise/T1212/"}],"data_path":"data/detection-rules/1edd77db-0669-4fef-9598-165bda82826d.json","kind":"sigma"}