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Antonio Cocomazzi
@splinter_code
offensive security - windows internals | BlueSky: bsky.app/profile/splint… | Mastodon: infosec.exchange/@splinter_code
Italy
splintercod3.blogspot.com
Joined August 2016
324
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  • Pinned
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    Antonio Cocomazzi
    @splinter_code
    Nov 3, 2023
    The slides of our joint research talk “10 Years of Windows Privilege Escalation with Potatoes” at #POC2023 are out! 👉 github.com/antonioCoco/in… cc @decoder_it
    48K
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    Jan 12, 2022
    Windows Defender AV allows Everyone to read the configured exclusions on the system 🤦 reg query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions" /s
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    Oct 21, 2023
    Do you want to start the RemoteRegistry service without Admin privileges? Just write into the "winreg" named pipe 👇
    259K
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    Antonio Cocomazzi
    @splinter_code
    Sep 14, 2023
    Excited to share my hardest research about UAC 🤯 "Bypassing UAC with SSPI Datagram Contexts" 🔥 Enjoy the read! 👇
    Bypassing UAC with SSPI Datagram Contexts
    From splintercod3.blogspot.com
    62K
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    Aug 6, 2021
    #RemotePotato0 new release! Now you can also grab and steal the NTLMv2 hashes of every user logged on a machine from an unprivileged user! ✅ works fully local - no network interaction (except win 2019) ✅ ntlm related ✅ won't fix Windows in 2k21 cc @decoder_it
    GIF
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    Sep 10, 2022
    We are releasing an alternative way for elevating to SYSTEM when you have SeTcbPrivilege How? Leveraging AcquireCredentialsHandle through an SSPI hook that allows authenticating as SYSTEM to SCM Should be "lighter" than the classic S4U cc @decoder_it gist.github.com/antonioCoco/19…
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    Antonio Cocomazzi
    @splinter_code
    Dec 7, 2021
    My last blog post for 2021 is out! 🔥 The hidden side of Seclogon part 2: Abusing leaked handles to dump LSASS memory Enjoy the read :D
    The hidden side of Seclogon part 2: Abusing leaked handles to dump LSASS memory
    From splintercod3.blogspot.com
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    May 11, 2020
    No more JuicyPotato? Old story, welcome RoguePotato! Checkout our blog post by @decoder_it and me.
    No more JuicyPotato? Old story, welcome RoguePotato!
    From decoder.cloud
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    Apr 14, 2022
    Finally! I have found the right conditions to hit the vulnerable function for CVE-2022-26809! No panic, this is a custom RPC server i wrote, not a default Windows service It seems it's required a specific RPC configuration and AFAIK it shouldn't be common, need to deepen more...
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    May 7, 2020
    We made #JuicyPotato great again! Get the NT AUTHORITY\@decoder_it privs again :D
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    Feb 10, 2023
    🔥 Brace yourself #LocalPotato is out 🥔 Our new NTLM reflection attack in local authentication allows for arbitrary file read/write & elevation of privilege. Patched by Microsoft, but other protocols may still be vulnerable. cc @decoder_it Enjoy! 👇
    localpotato.com
    LocalPotato - When Swapping The Context Leads You To SYSTEM
    Here we are again with our new *potato flavor, the LocalPotato! This was a cool finding so we decided to create this dedicated website ;)
    42K
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    Antonio Cocomazzi
    @splinter_code
    Sep 21, 2022
    #JuicyPotato is back! 🔥 Get instant SYSTEM access if you have SeImpersonate or SeAssignPrimaryToken privs! Checkout our new #JuicyPotatoNG 👇 decoder.cloud/2022/09/21/giv… cc @decoder_it
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    May 11, 2021
    The slides of my talk “The Rise of Potatoes: Privilege Escalations in Windows Services” for Black Hat Asia 2021 are out! 👇🏽 i.blackhat.com/asia-21/Thursd…
  • user avatar
    Antonio Cocomazzi
    @splinter_code
    Jun 28, 2022
    My blog series "The hidden side of Seclogon" continues with part 3: Racing for LSASS dumps 🔥 Enjoy the read :D splintercod3.blogspot.com/p/the-hidden-s…