Cybersecurity

Uncorking Old Wine: Zero-Day from 2017 + Cobalt Strike Loader in Unholy Alliance

Executive Summary The Deep Instinct Threat Lab discovered a suspected targeted operation against Ukraine The operation is using CVE-2017-8570 as the initial vector The operation could not be attributed to any known threat actor The operation used a custom loader for Cobalt Strike Beacon Deep Instinct is detecting all stages of the attack Campaign Overview […]

Cybersecurity

PRC State-Sponsored Actors Compromise and Maintain Persistent Access to U.S. Critical Infrastructure | CISA

SUMMARY The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), and Federal Bureau of Investigation (FBI) assess that People’s Republic of China (PRC) state-sponsored cyber actors are seeking to pre-position themselves on IT networks for disruptive or destructive cyberattacks against U.S. critical infrastructure in the event of a major crisis or conflict with […]

Cybersecurity

Known Indicators of Compromise Associated with Androxgh0st Malware | CISA

SUMMARY The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) are releasing this joint Cybersecurity Advisory (CSA) to disseminate known indicators of compromise (IOCs) and tactics, techniques, and procedures (TTPs) associated with threat actors deploying Androxgh0st malware. Multiple, ongoing investigations and trusted third party reporting yielded the IOCs and TTPs, […]

Cybersecurity

Karakurt Data Extortion Group | CISA

SUMMARY The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), the Department of the Treasury (Treasury), and the Financial Crimes Enforcement Network (FinCEN) are releasing this joint Cybersecurity Advisory (CSA) to provide information on the Karakurt data extortion group, also known as the Karakurt Team and Karakurt Lair. Karakurt actors have […]

Cybersecurity

Russian Foreign Intelligence Service (SVR) Exploiting JetBrains TeamCity CVE Globally | CISA

SUMMARY The U.S. Federal Bureau of Investigation (FBI), U.S. Cybersecurity & Infrastructure Security Agency (CISA), U.S. National Security Agency (NSA), Polish Military Counterintelligence Service (SKW), CERT Polska (CERT.PL), and the UK’s National Cyber Security Centre (NCSC) assess Russian Foreign Intelligence Service (SVR) cyber actors—also known as Advanced Persistent Threat 29 (APT 29), the Dukes, CozyBear, […]

Cybersecurity

NSA and CISA Red and Blue Teams Share Top Ten Cybersecurity Misconfigurations | CISA

A plea for network defenders and software manufacturers to fix common problems. EXECUTIVE SUMMARY The National Security Agency (NSA) and Cybersecurity and Infrastructure Security Agency (CISA) are releasing this joint cybersecurity advisory (CSA) to highlight the most common cybersecurity misconfigurations in large organizations, and detail the tactics, techniques, and procedures (TTPs) actors use to exploit […]