{"id":"b7966f4a-b333-455b-8370-8ca53c229762","title":"Dropping Of Password Filter DLL","description":"Detects dropping of dll files in system32 that may be used to retrieve user credentials from LSASS","author":"Sreeman","status":"test","level":"medium","date":"2020-10-29","modified":"2022-10-09","tags":["attack.persistence","attack.credential-access","attack.defense-impairment","attack.t1556.002"],"technique_ids":["T1556.002"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://pentestlab.blog/2020/02/10/credential-access-password-filter-dll/","https://github.com/3gstudent/PasswordFilter/tree/master/PasswordFilter"],"source_path":"rules/windows/process_creation/proc_creation_win_reg_credential_access_via_password_filter.yml","source_sha256":"20a8a989e285fabfd34e4847c71da43c46a9e8b8733763ef9c668720ae41c4f1","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_reg_credential_access_via_password_filter.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Dropping Of Password Filter DLL\nid: b7966f4a-b333-455b-8370-8ca53c229762\nstatus: test\ndescription: Detects dropping of dll files in system32 that may be used to retrieve user credentials from LSASS\nreferences:\n    - https://pentestlab.blog/2020/02/10/credential-access-password-filter-dll/\n    - https://github.com/3gstudent/PasswordFilter/tree/master/PasswordFilter\nauthor: Sreeman\ndate: 2020-10-29\nmodified: 2022-10-09\ntags:\n    - attack.persistence\n    - attack.credential-access\n    - attack.defense-impairment\n    - attack.t1556.002\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_cmdline:\n        CommandLine|contains|all:\n            - 'HKLM\\SYSTEM\\CurrentControlSet\\Control\\Lsa'\n            - 'scecli\\0*'\n            - 'reg add'\n    condition: selection_cmdline\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1556.002","id":"T1556.002","name":"Password Filter DLL","page":"techniques/enterprise/T1556.002/"}],"data_path":"data/detection-rules/b7966f4a-b333-455b-8370-8ca53c229762.json","kind":"sigma"}