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Update Fsi.yml with Sigma (#226)

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* Update Fsi.yml

* Update acknowledgement

* Remove newline

* resolving unix lf issue with fsi

* resolving unix lf issue with fsi

* resolving fsi issue

Co-authored-by: bohops <jimmy@jbtech.us>
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securepeacock 2022-12-28 23:41:27 -05:00 committed by GitHub
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yml/OtherMSBinaries/Fsi.yml
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@ -1,4 +1,3 @@
---
Name: Fsi.exe Name: Fsi.exe
Description: 64-bit FSharp (F#) Interpreter included with Visual Studio and DotNet Core SDK. Description: 64-bit FSharp (F#) Interpreter included with Visual Studio and DotNet Core SDK.
Author: Jimmy (@bohops) Author: Jimmy (@bohops)
@ -28,6 +27,7 @@ Detection:
- Elastic: https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_network_connection_from_windows_binary.toml - Elastic: https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_network_connection_from_windows_binary.toml
- BlockRule: https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-block-rules - BlockRule: https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-block-rules
- IOC: Fsi.exe execution may be suspicious on non-developer machines - IOC: Fsi.exe execution may be suspicious on non-developer machines
- Sigma: https://github.com/SigmaHQ/sigma/blob/6b34764215b0e97e32cbc4c6325fc933d2695c3a/rules/windows/process_creation/proc_creation_win_lolbin_fsharp_interpreters.yml
Resources: Resources:
- Link: https://twitter.com/NickTyrer/status/904273264385589248 - Link: https://twitter.com/NickTyrer/status/904273264385589248
- Link: https://bohops.com/2020/11/02/exploring-the-wdac-microsoft-recommended-block-rules-part-ii-wfc-fsi/ - Link: https://bohops.com/2020/11/02/exploring-the-wdac-microsoft-recommended-block-rules-part-ii-wfc-fsi/