ZeroFox Intelligence Flash Report - “Spyboy”: EDR Bypass Claims Spark Mixed Reactions

Product Serial: A-2023-05-31a

TLP:GREEN

In this flash report, ZeroFox Intelligence provides an assessment of "spyboy"'s claims to be selling an Antivirus (AV) and Endpoint Detection and Response (EDR) killer that can bypass and disable a wide range of the most prominent AV and EDR solutions on the market. Reactions from reputable underground actors regarding spyboy's claims have been mixed, with some actors defending the assertions made while others raise doubts about their validity.

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Deep Dark Web and Criminal Underground DDW

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Scope Note

ZeroFox Intelligence is derived from a variety of sources, including—but not limited to—curated open-source accesses, vetted social media, proprietary data sources, and direct access to threat actors and groups through covert communication channels. Information relied upon to complete any report cannot always be independently verified. As such, ZeroFox applies rigorous analytic standards and tradecraft in accordance with best practices and includes caveat language and source citations to clearly identify the veracity of our Intelligence reporting and substantiate our assessments and recommendations. All sources used in this particular Intelligence product were identified prior to 07:00 AM (EDT) on May 31, 2023; per cyber hygiene best practices, caution is advised when clicking on any third-party links.

Key Findings

Threat actor “spyboy” is advertising and selling an Antivirus (AV) and Endpoint Detection and Response (EDR) killer, asserting that it can bypass and disable a wide range of the most prominent AV and EDR solutions on the market.
Reactions from reputable underground actors regarding spyboy's claims have been mixed, with some actors defending the assertions made while others raising doubts about their validity. ZeroFox has not independently validated or verified the claims made by spyboy.
Despite skepticism, the discussions and offerings surrounding EDR bypass techniques continue to evolve in underground communities, indicating a dynamic landscape in the realm of cyber threats and defenses.