read clipboard data

rule:
  meta:
    name: read clipboard data
    namespace: host-interaction/clipboard
    authors:
      - michael.hunhoff@mandiant.com
      - anushka.virgaonkar@mandiant.com
    scopes:
      static: function
      dynamic: thread
    att&ck:
      - Collection::Clipboard Data [T1115]
    references:
      - https://learn.microsoft.com/en-us/windows/win32/dataxchg/using-the-clipboard
    examples:
      - C91887D861D9BD4A5872249B641BC9F9:0x40156F
      - 93dfc146f60bd796eb28d4e4f348f2e4:0x401050
  features:
    - and:
      - optional:
        - match: open clipboard
        - match: contain loop
        - api: kernel32.GlobalAlloc
        - api: kernel32.GlobalLock
        - api: kernel32.GlobalUnlock
      - or:
        - basic block:
          - and:
            - api: user32.GetClipboardData
            - optional:
              - number: 0x1 = CF_TEXT
              - number: 0x7 = CF_OEMTEXT
              - number: 0xD = CF_UNICODETEXT
        - call:
          - and:
            - api: user32.GetClipboardData
            - optional:
              - number: 0x1 = CF_TEXT
              - number: 0x7 = CF_OEMTEXT
              - number: 0xD = CF_UNICODETEXT
        - api: System.Windows.Forms.Clipboard::GetAudioStream
        - api: System.Windows.Forms.Clipboard::GetData
        - api: System.Windows.Forms.Clipboard::GetDataObject
        - api: System.Windows.Forms.Clipboard::GetFileDropList
        - api: System.Windows.Forms.Clipboard::GetImage
        - api: System.Windows.Forms.Clipboard::GetText