this post was submitted on 22 Mar 2024
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    Though the Windows thing was really funny ๐Ÿ˜‚.

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    [โ€“] uis@lemm.ee 1 points 7 months ago (1 children)

    I thought it checks every file closed

    [โ€“] 0x4E4F@sh.itjust.works 1 points 7 months ago (1 children)

    No, it scans file headers when you do read/write operations on disk. Every AV works this way, except, as I said, Defender is slow AF.

    [โ€“] uis@lemm.ee 1 points 7 months ago (1 children)

    I can't find talk I watched, but I found github issue it was based on.

    Short version: Defender is triggered not on open, not on read or write, but on CloseHandle.

    [โ€“] 0x4E4F@sh.itjust.works 1 points 7 months ago* (last edited 7 months ago) (1 children)

    CloseHandle of what? Read/write operations?

    [โ€“] uis@lemm.ee 2 points 7 months ago

    Found! Even metadata chamge.