ClickFix Series: PowerShell IEX(IRM) Fileless Remote Payload Execution via Non-S
Detects ClickFix-style fileless execution patterns where PowerShell pipelines (Invoke-RestMethod/Invoke-WebRequest) directly into execution cmdlets (Invoke-Expression/IEX) to download and execute remote scripts entirely in memory. The rule monitors for common bypass flags, hidden windows, and connections to suspicious IP address patterns or non-standard ports typically associated with malicious C2 staging.
Microsoft Sentinel (KQL)
