Atom

Verified writeups for the Atom machine of Hack The Box

Atom

$ tldr electron-updater bypass → PortableKanban + Redis decrypt → WinRM

·	·
Operating system	Windows
Difficulty	Medium
Vector	Windows privesc
IP	10.10.10.237
Retirement date	2021-07-10
Skills	SMB Enumeration EXE Binary Analysis Abusing electron-updater - Signature Validation Bypass [RCE] Abusing PortableKanban - Reading the encrypted password Redis Enumeration - Obtaining the encrypted password of the administrator user Decrypting obtained passwords + Abusing WinRM (Evil-WinRM) [Privilege Escalation]

Writeups

Language	Author	Format	Link
🇪🇸 ES	S4vitar	Vídeo	Open
🇪🇸 ES	El Pingüino de Mario	Vídeo	Open
🇬🇧 EN	0xdf	Texto	Open
🇬🇧 EN	IppSec	Vídeo	Open

Skill resources

Curated documentation for each technique listed in the Skills column above. Sources: HackTricks, GTFOBins, PortSwigger, etc.

Skill	Source	Link
Redis Exploitation	HackTricks	Open
SMB (139/445)	HackTricks	Open
Remote Code Execution (RCE)	HackTricks	Open

Related skills worth mastering

EternalBlue (MS17-010) · MS08-067 (NetAPI) · Local File Inclusion (LFI) · Remote File Inclusion (RFI) · Shellshock (CVE-2014-6271)

If you liked this machine, try

• Bankrobber — Windows, Insane
• Blackfield — Windows, Hard
• Sniper — Windows, Medium
• Chaos — Linux, Medium
• Shibboleth — Linux, Medium

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Last updated: 2026-06-07