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  7. Peach fuzzing with ksdeui.exe

Peach fuzzing with ksdeui.exe

Scheduled Pinned Locked Moved 2020MR0
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  • H Offline
    H Offline
    Helios_07
    wrote on last edited by Jarvis
    #1

    <p><strong>Real system:</strong></p>
    <p><strong>Windows 10 64-bit, Version 1803</strong></p>
    <p><strong>KIS 20.0.0.454 de app + drv verifier enabled</strong></p>
    <p><strong>Reproduction steps:</strong></p>
    <p><span>Important is that Traces are enabled or it wont work!</span></p>
    <p><span>When i hand a fuzzed dll file to ksdeui.exe with Peach Fuzzer ,with the start a process option, Peach logs an Illegal Instruction Violation starting at ksdeuimain!Execute+0x0000000000039bed.</span></p>
    <p><span>KSec isnt effected because an extra process is started.</span></p>
    <p><span>It works with any fuzzed dll and some other filetypes.</span></p>
    <p><span>I attached the peach logs.</span></p>

    PC:
    Windows 10 64-bit Version 20H2
    Build 19042.985
    Intel Core i10-10900K @ 3,7GHZ
    32,0 GB-RAM
    NVIDIA Geforce RTX 2080 TI 11GB
    KIS 21.4.8.292
    KPM 9.0.2.15298(o)
    Forum Signature from 25.May.2021

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    • JarvisJ Offline
      JarvisJ Offline
      Jarvis
      wrote on last edited by
      #2

      Cannot Reproduce

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      • H Offline
        H Offline
        Helios_07
        wrote on last edited by
        #3

        <p><strong>Real system:</strong></p>
        <p><strong>Windows 10 64-bit, Version 1809</strong></p>
        <p><strong>KIS/KSDE 20.0.0.607 de app + drv verifier enabled</strong></p>
        <p></p>
        <p>Reproducable with  KSDE .607 for me.</p>
        <p>Again, traces for KSDE need to be enabled or it wont work!</p>
        <p></p>
        <p>Peach logs:</p>
        <p>https://cloud.qainfo.ru/s/WBtFkD5R4s4minc</p>

        PC:
        Windows 10 64-bit Version 20H2
        Build 19042.985
        Intel Core i10-10900K @ 3,7GHZ
        32,0 GB-RAM
        NVIDIA Geforce RTX 2080 TI 11GB
        KIS 21.4.8.292
        KPM 9.0.2.15298(o)
        Forum Signature from 25.May.2021

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