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RSTCon #2 - Stefan Nicula si Marian Gusatu - CVE-2022-21882 Windows LPE: tehnici de analiza/detectie

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Acest studiu se concentreaza pe analizarea unui exploit recent publicat in luna Ianuarie 2022 ce afecteaza componenta de sistem win32k din Windows kernel si rezulta intr-o vulnerabilitate de tipul elevare de privilegii. Analiza exploiturilor de tipul 1day ne poate ajuta atat pe plan defensiv, prin crearea de detectii relevante asupra celor mai noi tehnicilor de exploatare, cat si in identificare si prevenirea unor noi vulnerabilitati similare in aceleasi componente. Totodata, cercetarea acestui CVE reprezinta un bun exemplu in care patch-urile aplicate initial nu mitigheaza in profunzime problema. In cadrul prezentarii, vom discuta despre notiuni de Windows internals, atacuri de tip data-only, WinDbg kernel debugging si indicatori de detectie, cu un focus principal pe analiza defensiva si intelegerea procesului de exploatare.

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