{"id":"2fbbe9ff-0afc-470b-bdc0-592198339968","title":"Remote Access Tool - Potential MeshAgent Execution - Windows","description":"Detects potential execution of MeshAgent which is a tool used for remote access.\nHistorical data shows that threat actors rename MeshAgent binary to evade detection.\nMatching command lines with the '--meshServiceName' argument can indicate that the MeshAgent is being used for remote access.\n","author":"Norbert Jaśniewicz (AlphaSOC)","status":"experimental","level":"medium","date":"2025-05-19","modified":"","tags":["attack.command-and-control","attack.t1219.002"],"technique_ids":["T1219.002"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Environments that legitimately use MeshAgent"],"references":["https://www.huntress.com/blog/know-thy-enemy-a-novel-november-case-on-persistent-remote-access","https://thecyberexpress.com/ukraine-hit-by-meshagent-malware-campaign/","https://wazuh.com/blog/how-to-detect-meshagent-with-wazuh/","https://www.security.com/threat-intelligence/medusa-ransomware-attacks"],"source_path":"rules/windows/process_creation/proc_creation_win_remote_access_tools_meshagent_arguments.yml","source_sha256":"dd5f3f9aacd9d5855bc59fb7d4e1a13d73a71805cca2a2c8184de6d3262a6eb2","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_remote_access_tools_meshagent_arguments.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Remote Access Tool - Potential MeshAgent Execution - Windows\nid: 2fbbe9ff-0afc-470b-bdc0-592198339968\nrelated:\n    - id: 22c45af6-f590-4d44-bab3-b5b2d2a2b6d9\n      type: similar\nstatus: experimental\ndescription: |\n    Detects potential execution of MeshAgent which is a tool used for remote access.\n    Historical data shows that threat actors rename MeshAgent binary to evade detection.\n    Matching command lines with the '--meshServiceName' argument can indicate that the MeshAgent is being used for remote access.\nreferences:\n    - https://www.huntress.com/blog/know-thy-enemy-a-novel-november-case-on-persistent-remote-access\n    - https://thecyberexpress.com/ukraine-hit-by-meshagent-malware-campaign/\n    - https://wazuh.com/blog/how-to-detect-meshagent-with-wazuh/\n    - https://www.security.com/threat-intelligence/medusa-ransomware-attacks\nauthor: Norbert Jaśniewicz (AlphaSOC)\ndate: 2025-05-19\ntags:\n    - attack.command-and-control\n    - attack.t1219.002\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        CommandLine|contains: '--meshServiceName'\n    condition: selection\nfalsepositives:\n    - Environments that legitimately use MeshAgent\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1219.002","id":"T1219.002","name":"Remote Desktop Software","page":"techniques/enterprise/T1219.002/"}],"data_path":"data/detection-rules/2fbbe9ff-0afc-470b-bdc0-592198339968.json","kind":"sigma"}