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Gal Kristal

Gal Kristal is a Senior Security Researcher at SentinelOne who specializes in Offensive Security. Previously, he spent five years at Unit 8200, as an officer and team leader of security researchers.
Hotcobalt New Cobalt Strike DoS Vulnerability That Lets You Halt Operations 5
Security Research

Hotcobalt – New Cobalt Strike DoS Vulnerability That Lets You Halt Operations

Gal Kristal / August 4, 2021

CVE-2021-36798 is a vulnerability in Cobalt Strike server that could allow victims to register a fake Beacon and DoS attackers.

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Purple Fox EK   New CVEs Steganography And Virtualization Added To Attack Flow 7
Crimeware

Purple Fox EK | New CVEs, Steganography, and Virtualization Added to Attack Flow

Gal Kristal / October 19, 2020

New research shows that the Purple Fox exploit kit has added new tricks to its attack flow and continues to target vulnerable versions of Internet Explorer.

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Living Off Windows Land A New Native File  Downldr  13
Security Research

Living Off Windows Land – A New Native File “downldr”

Gal Kristal / July 2, 2020

A newly discovered LOLBin offers an alternative to certutil for helping adversaries download files from a remote server. Meet desktopimgdownldr.exe.

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The Anatomy Of An APT Attack And CobaltStrike Beacon’s Encoded Configuration 3
Advanced Persistent Threat

The Anatomy of an APT Attack and CobaltStrike Beacon’s Encoded Configuration

Gal Kristal / May 11, 2020

Cybercrime and nation state attacks haven’t come to a stop due to COVID-19. Here we describe a recent APT attack on a global brand prevented by SentinelOne.

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SentinelLabs

In the era of interconnectivity, when markets, geographies, and jurisdictions merge in the melting pot of the digital domain, the perils of the threat ecosystem become unparalleled. Crimeware families achieve an unparalleled level of technical sophistication, APT groups are competing in fully-fledged cyber warfare, while once decentralized and scattered threat actors are forming adamant alliances of operating as elite corporate espionage teams.

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