Arbitrary File Download Via GfxDownloadWrapper.EXE
Detects execution of GfxDownloadWrapper.exe with a URL as an argument to download file.
Sigma rule (View on GitHub)
1title: Arbitrary File Download Via GfxDownloadWrapper.EXE
2id: eee00933-a761-4cd0-be70-c42fe91731e7
3status: test
4description: Detects execution of GfxDownloadWrapper.exe with a URL as an argument to download file.
5references:
6 - https://lolbas-project.github.io/lolbas/HonorableMentions/GfxDownloadWrapper/
7author: Victor Sergeev, oscd.community
8date: 2020-10-09
9modified: 2023-10-18
10tags:
11 - attack.command-and-control
12 - attack.t1105
13logsource:
14 category: process_creation
15 product: windows
16detection:
17 selection:
18 Image|endswith: '\GfxDownloadWrapper.exe'
19 CommandLine|contains:
20 - 'http://'
21 - 'https://'
22 filter_main_known_urls:
23 CommandLine|contains: 'https://gameplayapi.intel.com/'
24 condition: selection and not 1 of filter_main_*
25falsepositives:
26 - Unknown
27level: medium
References
Related rules
- AppX Package Installation Attempts Via AppInstaller.EXE
- Browser Execution In Headless Mode
- Cisco Stage Data
- Command Line Execution with Suspicious URL and AppData Strings
- Curl Download And Execute Combination