Category: Reports & Threat Intel

What Wicked Webs We Un-weave

What Wicked Webs We Un-weave: Wizard Spider once again proving it isn’t you, it isn’t me; we search for things that you can’t see Authored by: Matt Stafford and Sherman Smith Executive summary: In late January 2022, Prevailion’s Adversarial Counterintelligence Team (PACT) identified extensive phishing activity designed to harvest credentials for Naver. Naver is a […]

DarkWatchman: A new evolution in fileless techniques.

Authored by: Matt Stafford and Sherman Smith Executive summary: In late November, Prevailion’s Adversarial Counterintelligence Team (PACT) identified what appeared to be a malicious javascript-based Remote Access Trojan (RAT) that uses a robust Domain Generation Algorithm (DGA) to identify its Command and Control (C2) infrastructure and that utilizes novel methods for fileless persistence, on-system activity, […]

Who are the latest targets of cyber group Lyceum?

By Accenture Cyber Threat Intelligence and Prevailion Adversarial Counterintelligence Team Prevailion’s Adversarial Counterintelligence Team and Accenture’s Cyber Defense group are teaming up to jointly utilize their respective proprietary data and expert analysis to deliver timely and in-depth security research. Our goal is to provide insights into threat actor tactics, targets, and campaigns to deliver actionable […]

Diving Deep into UNC1151’s Infrastructure: Ghostwriter and beyond

Introduction: Prevailion’s Adversarial Counterintelligence Team (PACT) is using advanced infrastructure hunting techniques and Prevailion’s unparalleled visibility into threat actor infrastructure creation to uncover previously unknown domains associated with UNC1151 and the “Ghostwriter” influence campaign.  UNC1151 is likely a state-backed threat actor [1] waging an ongoing and far-reaching influence campaign that has targeted numerous countries across […]

ESG Technical Validation: Compromise Intelligence to reduce Cyber Risk

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Cert Safari: Leveraging TLS Certificates to Hunt Evil

  Proactively hunting for malicious infrastructure is a persistent puzzle for threat researchers to work and solve.  It is a complex and evolving problem, made more complex (though not unmanageable) by Domain Privacy and GDPR, which obscure WHOIS information that Analysts and Researchers would otherwise use to identify trends and corroborate other observations to increase confidence […]

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