{"id":"4f6edb78-5c21-42ab-a558-fd2a6fc1fd57","title":"Potential 7za.DLL Sideloading","description":"Detects potential DLL sideloading of \"7za.dll\"","author":"X__Junior","status":"test","level":"low","date":"2023-06-09","modified":"","tags":["attack.persistence","attack.privilege-escalation","attack.execution","attack.stealth","attack.t1574.001"],"technique_ids":["T1574.001"],"logsource":{"category":"image_load","product":"windows"},"falsepositives":["Legitimate third party application located in \"AppData\" may leverage this DLL to offer 7z compression functionality and may generate false positives. Apply additional filters as needed."],"references":["https://www.gov.pl/attachment/ee91f24d-3e67-436d-aa50-7fa56acf789d"],"source_path":"rules/windows/image_load/image_load_side_load_7za.yml","source_sha256":"dc5a49a0293d02c6ed35d5ed7925535f75548cf4cbb620625e08b6e277b23fd3","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/image_load/image_load_side_load_7za.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Potential 7za.DLL Sideloading\nid: 4f6edb78-5c21-42ab-a558-fd2a6fc1fd57\nstatus: test\ndescription: Detects potential DLL sideloading of \"7za.dll\"\nreferences:\n    - https://www.gov.pl/attachment/ee91f24d-3e67-436d-aa50-7fa56acf789d\nauthor: X__Junior\ndate: 2023-06-09\ntags:\n    - attack.persistence\n    - attack.privilege-escalation\n    - attack.execution\n    - attack.stealth\n    - attack.t1574.001\nlogsource:\n    category: image_load\n    product: windows\ndetection:\n    selection:\n        ImageLoaded|endswith: '\\7za.dll'\n    filter_main_legit_path:\n        Image|startswith:\n            - 'C:\\Program Files (x86)\\'\n            - 'C:\\Program Files\\'\n        ImageLoaded|startswith:\n            - 'C:\\Program Files (x86)\\'\n            - 'C:\\Program Files\\'\n    condition: selection and not 1 of filter_main_*\nfalsepositives:\n    - Legitimate third party application located in \"AppData\" may leverage this DLL to offer 7z compression functionality and may generate false positives. Apply additional filters as needed.\nlevel: low\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/4f6edb78-5c21-42ab-a558-fd2a6fc1fd57.json","kind":"sigma"}