Self Extracting Package Creation Through Iexpress.EXE From Potentially Suspicious Location (via process_creation)

This rule detects the use of iexpress.exe to create binaries via Self Extraction Directive (SED) files located in potentially anomalous locations. This behavior has been observed in-the-wild by different threat actors.

SigmahighWindowsv1
Full detection rule

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Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.