Phying News
P非影 中文
Curated security research, vulnerabilities, advisories and tools for practitioners.

JA4: Decoding Cyber Shadows

hunt.io | blog | #interview | #fingerprinting | #ja4 | #ja3 | #foxio

Summary

An interview with John Althouse on JA4+, his successor to the JA3 TLS fingerprinting standard — covering his path into threat hunting, founding FoxIO, and where network fingerprinting is heading.
Published
Collected

original ↗

Related coverage

blog · hunt.io
From Munitions to Malware: Joseph Harrison on Threat Detection & Digital Forensics
An interview with threat lead Joseph Harrison: from Air Force munitions to digital forensics, the discipline behind his detection work, and how he uses JA4 fingerprints to catch what others miss.
blog · hunt.io
Hunting C2 Panels: Beginner's Guide for Identifying Command and Control Dashboards
A beginner's guide to hunting exposed C2 panels—Supershell, HookBot, Chaos RAT, UnamWebPanel, Metasploit and Mythic—using URL paths, titles, favicon hashes and HuntSQL datasets.
blog · hunt.io
Interview with Daniel Plohmann: Malpedia, Malware Analysis, and Research Insights
An interview with Daniel Plohmann: building Malpedia and MCRIT, his path from network simulation to malware research, collaboration in the field, and music as an outlet away from security.
blog · hunt.io
Eggs, Alerts, and Adversaries: Talking with Jose Hernandez from Splunk
Splunk's Director of Threat Research Jose Hernandez discusses building detections with Atomic Red Team, detection-as-code pipelines, hiring curious people, and balancing research with farm life.
blog · hunt.io
Fast and Curious: Red Teaming, Race Cars, and Hunt.io with Justin Elze
TrustedSec CTO Justin Elze discusses his route into offensive security, what makes red teams work, his favorite tooling, and how he uses Hunt.io and AttackCapture in research.
blog · bishopfox.com
On Favicons: From Browser Icons to Attack Surface Intelligence
Bishop Fox shares an AI-assisted pipeline that hashes (MurmurHash3), correlates, and enriches favicons at scale, turning stable browser icons into durable fingerprints for attack surface intelligence.
back