rule:
  meta:
    name: packed with UPX
    namespace: anti-analysis/packer/upx
    authors:
      - william.ballenthin@mandiant.com
    scope: file
    att&ck:
      - Defense Evasion::Obfuscated Files or Information::Software Packing [T1027.002]
    mbc:
      - Anti-Static Analysis::Software Packing::UPX [F0001.008]
    examples:
      - CD2CBA9E6313E8DF2C1273593E649682
      - Practical Malware Analysis Lab 01-02.exe_:0x0401000
  features:
    - or:
      - and:
        - format: pe
        - or:
          - section: UPX0
          - section: UPX1
      - and:
        - format: elf
        - or:
          - string: "UPX!"