{"id":"ddd171b5-2cc6-4975-9e78-f0eccd08cc76","title":"Potential Persistence Via Outlook Home Page","description":"Detects potential persistence activity via outlook home page.\nAn attacker can set a home page to achieve code execution and persistence by editing the WebView registry keys.\n","author":"Tobias Michalski (Nextron Systems), David Bertho (@dbertho) & Eirik Sveen (@0xSV1), Storebrand","status":"test","level":"high","date":"2021-06-09","modified":"2024-08-07","tags":["attack.persistence","attack.defense-impairment","attack.t1112"],"technique_ids":["T1112"],"logsource":{"product":"windows","category":"registry_set"},"falsepositives":["Unknown"],"references":["https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=70","https://support.microsoft.com/en-us/topic/outlook-home-page-feature-is-missing-in-folder-properties-d207edb7-aa02-46c5-b608-5d9dbed9bd04?ui=en-us&rs=en-us&ad=us","https://trustedsec.com/blog/specula-turning-outlook-into-a-c2-with-one-registry-change"],"source_path":"rules/windows/registry/registry_set/registry_set_persistence_outlook_homepage.yml","source_sha256":"d935f49fba67eee087ac12bb9b77d0e790d2227bf3ace5c181a8384bd1a6813f","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/registry/registry_set/registry_set_persistence_outlook_homepage.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 Persistence Via Outlook Home Page\nid: ddd171b5-2cc6-4975-9e78-f0eccd08cc76\nrelated:\n    - id: 487bb375-12ef-41f6-baae-c6a1572b4dd1\n      type: similar\nstatus: test\ndescription: |\n    Detects potential persistence activity via outlook home page.\n    An attacker can set a home page to achieve code execution and persistence by editing the WebView registry keys.\nreferences:\n    - https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=70\n    - https://support.microsoft.com/en-us/topic/outlook-home-page-feature-is-missing-in-folder-properties-d207edb7-aa02-46c5-b608-5d9dbed9bd04?ui=en-us&rs=en-us&ad=us\n    - https://trustedsec.com/blog/specula-turning-outlook-into-a-c2-with-one-registry-change\nauthor: Tobias Michalski (Nextron Systems), David Bertho (@dbertho) & Eirik Sveen (@0xSV1), Storebrand\ndate: 2021-06-09\nmodified: 2024-08-07\ntags:\n    - attack.persistence\n    - attack.defense-impairment\n    - attack.t1112\nlogsource:\n    product: windows\n    category: registry_set\ndetection:\n    selection:\n        TargetObject|contains|all:\n            - '\\Software\\Microsoft\\Office\\'\n            - '\\Outlook\\WebView\\'\n        TargetObject|endswith: '\\URL'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1112","id":"T1112","name":"Modify Registry","page":"techniques/enterprise/T1112/"}],"data_path":"data/detection-rules/ddd171b5-2cc6-4975-9e78-f0eccd08cc76.json","kind":"sigma"}