Planning to test the new unified Copilot app? Here’s how to prepare Windows devices, configure EdgeUpdate and Intune policies, and roll it out to a pilot group, plus some insights and learnings from my personal deployment.

A targeted campaign deploying the TimbreStealer infostealer by abusing legitimate updater binaries EdgeUpdate (msedgeupdate) and GoogleUpdater (goopdate).

正規のアップデーターバイナリであるEdgeUpdate（msedgeupdate）とGoogleUpdater（goopdate）をDLLサイドローディングによって悪用し、情報窃取マルウェア「TimbreStealer」を展開する標的型キャンペーンが確認されました。 研究者のEuler Neto氏とCristóbal

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Introduction In a sophisticated cyber attack chain observed by security researchers, threat actors leveraged a MediaFire-hosted ZIP archive containing a Python setup executable that side-loaded a maliciously padded DLL to gain initial access. The execution chain ultimately delivered three separate persistence mechanisms, including a fake EdgeUpdate scheduled task, a PowerShell-based backdoor, and the NetSupport RMM remote access tool, demonstrating the evolving complexity of modern intrusion campaigns.

Introduction: Attackers are increasingly blending legitimate software components with oversized, malformed DLLs to evade static detection. In a recently uncovered campaign, a MediaFire-hosted ZIP archive delivered a Python setup executable that side-loaded a suspiciously large python37.dll (nearly 400 MB) padded with repeated `J` bytes, leading to process injection into dllhost.exe and ultimately establishing three parallel persistence mechanisms: PowerShell, a fake EdgeUpdate scheduled task, and NetSupport RMM.

Edge Canary testers on Windows can look forward to a fix for the frustrating error code 3 component glitch, rolling out soon in EdgeUpdate v1.3.237.7.