Renamed CURL.EXE Execution

calendar Oct 12, 2023 · attack.execution attack.t1059 attack.defense_evasion attack.t1202  ·
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Detects the execution of a renamed "CURL.exe" binary based on the PE metadata fields

Sigma rule (View on GitHub)

 1title: Renamed CURL.EXE Execution
 2id: 7530cd3d-7671-43e3-b209-976966f6ea48
 3status: experimental
 4description: Detects the execution of a renamed "CURL.exe" binary based on the PE metadata fields
 5references:
 6    - https://twitter.com/Kostastsale/status/1700965142828290260
 7author: X__Junior (Nextron Systems)
 8date: 2023/09/11
 9modified: 2023/10/12
10tags:
11    - attack.execution
12    - attack.t1059
13    - attack.defense_evasion
14    - attack.t1202
15logsource:
16    category: process_creation
17    product: windows
18detection:
19    selection:
20        - OriginalFileName: 'curl.exe'
21        - Description: 'The curl executable'
22    filter_main_img:
23        Image|contains: '\curl'
24    condition: selection and not 1 of filter_main_*
25falsepositives:
26    - Unknown
27level: medium

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