{"id":"ba4cfc11-d0fa-4d94-bf20-7c332c412e76","title":"Potentially Suspicious DLL Registered Via Odbcconf.EXE","description":"Detects execution of \"odbcconf\" with the \"REGSVR\" action where the DLL in question doesn't contain a \".dll\" extension. Which is often used as a method to evade defenses.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2023-05-22","modified":"","tags":["attack.stealth","attack.t1218.008"],"technique_ids":["T1218.008"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unlikely"],"references":["https://learn.microsoft.com/en-us/sql/odbc/odbcconf-exe?view=sql-server-ver16","https://lolbas-project.github.io/lolbas/Binaries/Odbcconf/","https://www.trendmicro.com/en_us/research/17/h/backdoor-carrying-emails-set-sights-on-russian-speaking-businesses.html"],"source_path":"rules/windows/process_creation/proc_creation_win_odbcconf_register_dll_regsvr_susp.yml","source_sha256":"7e264e2697a9307f371cd4e9079ca43c3210fe4808afc0cd1ec02bd9400fa662","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_odbcconf_register_dll_regsvr_susp.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Potentially Suspicious DLL Registered Via Odbcconf.EXE\nid: ba4cfc11-d0fa-4d94-bf20-7c332c412e76\nrelated:\n    - id: 9f0a8bf3-a65b-440a-8c1e-5cb1547c8e70\n      type: derived\nstatus: test\ndescription: Detects execution of \"odbcconf\" with the \"REGSVR\" action where the DLL in question doesn't contain a \".dll\" extension. Which is often used as a method to evade defenses.\nreferences:\n    - https://learn.microsoft.com/en-us/sql/odbc/odbcconf-exe?view=sql-server-ver16\n    - https://lolbas-project.github.io/lolbas/Binaries/Odbcconf/\n    - https://www.trendmicro.com/en_us/research/17/h/backdoor-carrying-emails-set-sights-on-russian-speaking-businesses.html\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2023-05-22\ntags:\n    - attack.stealth\n    - attack.t1218.008\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\odbcconf.exe'\n        - OriginalFileName: 'odbcconf.exe'\n    selection_cli:\n        # Note: The \"/A\" flag is not required to call a specific action\n        CommandLine|contains: 'REGSVR '\n    filter_main_dll_ext:\n        CommandLine|contains: '.dll'\n    condition: all of selection_* and not 1 of filter_main_*\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218.008","id":"T1218.008","name":"Odbcconf","page":"techniques/enterprise/T1218.008/"}],"data_path":"data/detection-rules/ba4cfc11-d0fa-4d94-bf20-7c332c412e76.json","kind":"sigma"}