Byte JMP
Byte JMP

Byte JMP

Security research, CTF write-ups, and notes on how things break.

2026

September

Cascade: Legacy LDAP Secrets to AD Recycle Bin

Cascade: Legacy LDAP Secrets to AD Recycle Bin

Hack The Box write-up for the Cascade machine. Anonymous LDAP leaks a legacy password attribute, a TightVNC blob and a .NET audit tool give up reused service-account credentials, and the AD Recycle Bin recovers a deleted TempAdmin whose password matches the domain administrator.

14 min read
Monteverde: Azure AD Connect to Domain Admin

Monteverde: Azure AD Connect to Domain Admin

Hack The Box write-up for the Monteverde machine. Anonymous RPC user enumeration feeds a username-as-password spray, a service account exposes a stored Azure credential over SMB, and Azure AD Connect credential extraction hands over the on-prem Administrator.

13 min read
Timelapse: PFX Cracking to LAPS

Timelapse: PFX Cracking to LAPS

Hack The Box write-up for the Timelapse machine. Anonymous SMB exposes a password-protected WinRM certificate backup, cracked to gain a foothold over TLS, PowerShell console history leaks a service account, and LAPS_Readers membership hands over the local Administrator password.

11 min read
Fluffy: Shadow Credentials and ADCS ESC16

Fluffy: Shadow Credentials and ADCS ESC16

Active Directory chain — CVE-2025-24071 hash leak, Shadow Credentials via GenericWrite, and ADCS ESC16 UPN hijack to Domain Admin.

17 min read
Sauna: AS-REP Roasting to DCSync

Sauna: AS-REP Roasting to DCSync

Hack The Box write-up for the Sauna machine. Employee names from a website feed Kerberos user enumeration, AS-REP roasting yields credentials, autologon secrets pivot to a service account with DCSync rights, and pass-the-hash completes the domain compromise.

12 min read
Return: LDAP Credential Capture to Server Operators Abuse

Return: LDAP Credential Capture to Server Operators Abuse

Hack The Box write-up for the Return machine. LDAP credential capture via printer admin panel, WinRM access, and privilege escalation abusing the Server Operators group.

6 min read

2025