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Owen Shearing
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@rebootuser

Owen Shearing

@rebootuser
Geek | Hacker | Fixer | Co-Founder of in.security Ltd | Projects @ github.com/rebootuser
Cambridge, UK
in.security
Joined September 2010
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  • Pinned
    @rebootuser
    Owen Shearing
    @rebootuser
    Dec 3, 2015
    I'm teaching my daughter the ABC and now bored with A is for Apple, X is for X-RAY so I came up with this #abcincode
    Image
  • @rebootuser
    Owen Shearing
    @rebootuser
    Sep 25, 2025
    Hacker bear’s tellin’ ya there’s some cool merch at @brucon store this year! #BruCON
    Image
  • @rebootuser
    Owen Shearing
    @rebootuser
    Mar 2, 2023
    Detecting AD CS #subjectAltName (SAN) Abuse Using #KQL & #MicrosoftSentinel Problems tackled: 1️⃣ #ADCS logging is poor... 2️⃣ How do we map events that have no correlating fields? 3️⃣ Can logical thinking be expressed through KQL?
    Image
    Detecting AD CS subjectAltName (SAN) Abuse Using KQL - In.security
    From in.security
  • @rebootuser
    Owen Shearing
    @rebootuser
    Feb 1, 2023
    We've been promoting #LOLBAS detection using #MicrosoftSentinel and #KQL in our defensive training over the past few years, and it’s proven to be a popular query Check out the details in our new article! in.security/2023/02/01/kql…
  • @rebootuser
    Owen Shearing
    @rebootuser
    Jan 24, 2023
    ⭐️ The Path to Pwnage ⭐️ Use the LOLBAS API to grab a list of known programs, then perform a check to see if the binary exists on the endpoint If a match is found the full path of the identified item will be written to a text file for later review 🤟 in.security/2023/01/24/the…
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