0x401
0x401.bsky.social
0x401
@0x401.bsky.social
仕方がない - uauth.io
Sleeping after a long day of eating #cat #cute #mainecoon
November 10, 2025 at 10:44 PM
#CVE-2025-59287

Spun up a WSUS instance on a W2k25. (Build 10.0.26100 - unpatched since aug)
Interestingly Microsoft.UpdateServices.Internal.Authorization.EncryptionHelper.DecryptData did not use the vulnerable BinaryFormatter class but the XmlSerializer.

#KB5070881 is not installed.
October 27, 2025 at 8:14 AM
Even chatgpt and deepseek are unable to keep track of the amount of brackets writing lisp.
February 13, 2025 at 9:02 PM
Reposted by 0x401
When I see my favs
February 12, 2025 at 2:12 AM
If you ever see a suspicious file creation/modification/deletion event with the parent process ntoskrnl.exe, there is a high chance it was done over SMB. Look for SMB connections (445/TCP) and on other devices connecting to an SMB share on that device (\\machinename\path)
February 6, 2025 at 8:40 PM
I'm sick of seeing public keys with mdrfckr in their comment.
February 6, 2025 at 6:57 PM
February 2, 2025 at 9:11 PM