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From 88 lines to 1: Detecting DLL hijacking with Elastic Defend

ID: fd01ba70-3f86-5a95-98f5-e8bde3d0c868

STIX ID: report--fd01ba70-3f86-5a95-98f5-e8bde3d0c868

Feed Name: Elastic Security Labs

Threat Score
75/100

Date Published: 2026-08-28

Date Updated: 2026-10-10

Author: Ian Garratt,Tamás Péter

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Elastic describes a reconstructed DLL search-order hijacking attack used in a ClickFix campaign that sideloads a malicious mscoree.dll beside a signed Microsoft binary (vb7to8.exe), uses process hollowing to launch an infostealer (Remus), and ships a vulnerable driver to disable EDR; the report provides reverse-engineering details, a NativeAOT proof-of-concept, and explains how Elastic Defend 9.5.0 detects these attacks via a new DLL Hijack:Masquerading enrichment, plus tuning and mitigation guidance.

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