{"id":"bac9fb54-2da7-44e9-988f-11e9a5edbc0c","title":"Potential Password Spraying Attempt Using Dsacls.EXE","description":"Detects possible password spraying attempts using Dsacls","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2022-06-20","modified":"2023-02-04","tags":["attack.stealth","attack.t1218"],"technique_ids":["T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate use of dsacls to bind to an LDAP session"],"references":["https://www.ired.team/offensive-security-experiments/active-directory-kerberos-abuse/using-dsacls-to-check-ad-object-permissions#password-spraying-anyone","https://ss64.com/nt/dsacls.html","https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/cc771151(v=ws.11)"],"source_path":"rules/windows/process_creation/proc_creation_win_dsacls_password_spray.yml","source_sha256":"fc99bdbd798a117a13863978cefce03b85dcb509665623e69210b53259b5c6f7","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_dsacls_password_spray.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 Password Spraying Attempt Using Dsacls.EXE\nid: bac9fb54-2da7-44e9-988f-11e9a5edbc0c\nstatus: test\ndescription: Detects possible password spraying attempts using Dsacls\nreferences:\n    - https://www.ired.team/offensive-security-experiments/active-directory-kerberos-abuse/using-dsacls-to-check-ad-object-permissions#password-spraying-anyone\n    - https://ss64.com/nt/dsacls.html\n    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/cc771151(v=ws.11)\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-06-20\nmodified: 2023-02-04\ntags:\n    - attack.stealth\n    - attack.t1218\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\dsacls.exe'\n        - OriginalFileName: \"DSACLS.EXE\"\n    selection_cli:\n        CommandLine|contains|all:\n            - '/user:'\n            - '/passwd:'\n    condition: all of selection*\nfalsepositives:\n    - Legitimate use of dsacls to bind to an LDAP session\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/bac9fb54-2da7-44e9-988f-11e9a5edbc0c.json","kind":"sigma"}