{"id":"1908fcc1-1b92-4272-8214-0fbaf2fa5163","title":"Malicious DLL File Dropped in the Teams or OneDrive Folder","description":"Detects creation of a malicious DLL file in the location where the OneDrive or Team applications\nUpon execution of the Teams or OneDrive application, the dropped malicious DLL file (\"iphlpapi.dll\") is sideloaded\n","author":"frack113","status":"test","level":"high","date":"2022-08-12","modified":"","tags":["attack.persistence","attack.privilege-escalation","attack.execution","attack.stealth","attack.t1574.001"],"technique_ids":["T1574.001"],"logsource":{"category":"file_event","product":"windows"},"falsepositives":["Unknown"],"references":["https://blog.cyble.com/2022/07/27/targeted-attacks-being-carried-out-via-dll-sideloading/"],"source_path":"rules/windows/file/file_event/file_event_win_iphlpapi_dll_sideloading.yml","source_sha256":"fb7afaf658d7cf8f64ba16029f0af40e327abcc42b81c12ba8c420ffc62eb3d2","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/file/file_event/file_event_win_iphlpapi_dll_sideloading.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Malicious DLL File Dropped in the Teams or OneDrive Folder\nid: 1908fcc1-1b92-4272-8214-0fbaf2fa5163\nstatus: test\ndescription: |\n    Detects creation of a malicious DLL file in the location where the OneDrive or Team applications\n    Upon execution of the Teams or OneDrive application, the dropped malicious DLL file (\"iphlpapi.dll\") is sideloaded\nreferences:\n    - https://blog.cyble.com/2022/07/27/targeted-attacks-being-carried-out-via-dll-sideloading/\nauthor: frack113\ndate: 2022-08-12\ntags:\n    - attack.persistence\n    - attack.privilege-escalation\n    - attack.execution\n    - attack.stealth\n    - attack.t1574.001\nlogsource:\n    category: file_event\n    product: windows\ndetection:\n    selection:\n        TargetFilename|contains|all:\n            - 'iphlpapi.dll'\n            - '\\AppData\\Local\\Microsoft'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1574.001","id":"T1574.001","name":"DLL","page":"techniques/enterprise/T1574.001/"}],"data_path":"data/detection-rules/1908fcc1-1b92-4272-8214-0fbaf2fa5163.json","kind":"sigma"}