Decode Base64 Encoded Text -MacOs

 1title: Decode Base64 Encoded Text -MacOs
 2id: 719c22d7-c11a-4f2c-93a6-2cfdd5412f68
 3status: test
 4description: Detects usage of base64 utility to decode arbitrary base64-encoded text
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1027/T1027.md
 7author: Daniil Yugoslavskiy, oscd.community
 8date: 2020-10-19
 9modified: 2022-11-26
10tags:
11    - attack.defense-evasion
12    - attack.t1027
13logsource:
14    category: process_creation
15    product: macos
16detection:
17    selection:
18        Image: '/usr/bin/base64'
19        CommandLine|contains: '-d'
20    condition: selection
21falsepositives:
22    - Legitimate activities
23level: low

References

• atomic-red-team/atomics/T1027/T1027.md at f339e7da7d05f6057fdfcdd3742bfcf365fee2a9 · redcanaryco/atomic-red-team

  

  Small and highly portable detection tests based on MITRE's ATT&CK. - redcanaryco/atomic-red-team

  
  Read More

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