Equation Group DLL_U Export Function Load

calendar Aug 12, 2024 · attack.g0020 attack.defense-evasion attack.t1218.011 detection.emerging-threats  ·
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Detects a specific export function name used by one of EquationGroup tools

Sigma rule (View on GitHub)

 1title: Equation Group DLL_U Export Function Load
 2id: d465d1d8-27a2-4cca-9621-a800f37cf72e
 3status: stable
 4description: Detects a specific export function name used by one of EquationGroup tools
 5references:
 6    - https://github.com/00derp/EquationGroupLeak/search?utf8=%E2%9C%93&q=dll_u&type=
 7    - https://twitter.com/cyb3rops/status/972186477512839170
 8author: Florian Roth (Nextron Systems)
 9date: 2019-03-04
10modified: 2023-03-09
11tags:
12    - attack.g0020
13    - attack.defense-evasion
14    - attack.t1218.011
15    - detection.emerging-threats
16logsource:
17    category: process_creation
18    product: windows
19detection:
20    selection:
21        - CommandLine|contains: '-export dll_u'
22        - CommandLine|endswith:
23              - ',dll_u'
24              - ' dll_u'
25    condition: selection
26falsepositives:
27    - Unlikely
28level: critical

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