{"id":"60bfeac3-0d35-4302-8efb-1dd16f715bc6","title":"Suspicious SysAidServer Child","description":"Detects suspicious child processes of SysAidServer (as seen in MERCURY threat actor intrusions)","author":"Florian Roth (Nextron Systems)","status":"test","level":"medium","date":"2022-08-26","modified":"","tags":["attack.lateral-movement","attack.t1210"],"technique_ids":["T1210"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://www.microsoft.com/security/blog/2022/08/25/mercury-leveraging-log4j-2-vulnerabilities-in-unpatched-systems-to-target-israeli-organizations/"],"source_path":"rules/windows/process_creation/proc_creation_win_java_sysaidserver_susp_child_process.yml","source_sha256":"a423a545dc22272a0ceb1f36f8dd7186bed5d1570ff474a832e4e09639f34ffd","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_java_sysaidserver_susp_child_process.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious SysAidServer Child\nid: 60bfeac3-0d35-4302-8efb-1dd16f715bc6\nstatus: test\ndescription: Detects suspicious child processes of SysAidServer (as seen in MERCURY threat actor intrusions)\nreferences:\n    - https://www.microsoft.com/security/blog/2022/08/25/mercury-leveraging-log4j-2-vulnerabilities-in-unpatched-systems-to-target-israeli-organizations/\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-08-26\ntags:\n    - attack.lateral-movement\n    - attack.t1210\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        ParentImage|endswith:\n            - '\\java.exe'\n            - '\\javaw.exe'\n        ParentCommandLine|contains: 'SysAidServer'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1210","id":"T1210","name":"Exploitation of Remote Services","page":"techniques/enterprise/T1210/"}],"data_path":"data/detection-rules/60bfeac3-0d35-4302-8efb-1dd16f715bc6.json","kind":"sigma"}