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[Tuning] Suspicious .NET Reflection via PowerShell #4543

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Merged
merged 2 commits into from
Mar 20, 2025
Merged

[Tuning] Suspicious .NET Reflection via PowerShell #4543

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eb52bae
Update defense_evasion_posh_assembly_load.toml
Samirbous Mar 19, 2025
b2b71c4
Merge branch 'main' into Samirbous-patch-1
w0rk3r Mar 20, 2025
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5 changes: 2 additions & 3 deletions rules/windows/defense_evasion_posh_assembly_load.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ integration = ["windows"]
maturity = "production"
min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."
min_stack_version = "8.14.0"
updated_date = "2025/02/03"
updated_date = "2025/03/19"

[transform]
[[transform.osquery]]
Expand Down Expand Up @@ -133,8 +133,7 @@ event.category:process and host.os.type:windows and
powershell.file.script_block_text : (
"[System.Reflection.Assembly]::Load" or
"[Reflection.Assembly]::Load" or
"Assembly.Load(" or
"System.Reflection"
"Assembly.Load("
) and
not powershell.file.script_block_text : (
("CommonWorkflowParameters" or "RelatedLinksHelpInfo") and
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