From 88 lines to 1: Detecting DLL hijacking with Elastic Defend
Elastic Defend 9.5.0 detects dynamic link library (DLL) search-order hijacking [1] in a single field. Writing that rule before 9.5.0 took about 88 lines, covering approximately 2,600 named libraries, 10 excluded Windows system paths, signature checks, and a drop-to-load time window. It now takes one: dll.Ext.defense_evasions: "DLL Hijack: Masquerading".DLL search-order hijacking, which Defend labels Masquerading, runs attacker code inside a legitimate process by abusing the order that Windows…
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