- A peek into APT36’s updated arsenal
September 12, 2023
In July 2023, Zscaler ThreatLabz discovered new malicious activity perpetuated by the Pakistan-based advanced persistent threat group (APT36). APT36 is a sophisticated cyber threat group with a history of conducting targeted espionage operations in South Asia. Zscaler ThreatLabz observed APT36 targeting Indian government sectors using a previously undocumented Windows RAT, new cyber espionage utilities for ...
- Redfly: Espionage Actors Continue to Target Critical Infrastructure
September 12, 2023
Espionage actors are continuing to mount attacks on critical national infrastructure (CNI) targets, a trend that has become a source of concern for governments and CNI organizations worldwide. Symantec’s Threat Hunter Team has found evidence that a threat actor group Symantec calls Redfly used the ShadowPad Trojan to compromise a national grid in an Asian ...
- CISA, FBI, and CNMF Release Advisory on Multiple Nation-State Threat Actors Exploit CVE-2022-47966 and CVE-2022-42475
September 7, 2023
Today, CISA, Federal Bureau of Investigation (FBI), and U.S. Cyber Command’s Cyber National Mission Force (CNMF) published a joint Cybersecurity Advisory (CSA), Multiple Nation-State Threat Actors Exploit CVE-2022-47966 and CVE-2022-42475. This CSA provides information on an incident at an Aeronautical Sector organization, with malicious activity occurring as early as January 2023. CISA, FBI, and CNMF confirmed ...
- Anonymous Sudan hacks X to put pressure on Elon Musk over Starlink
August 31, 2023
A hacking group called Anonymous Sudan took X, formerly known as Twitter, offline in more than a dozen countries on Tuesday morning in an attempt to pressurise Elon Musk into launching his Starlink service in their country. X was down for more than two hours, with thousands of users affected. “Make our message reach to Elon ...
- Earth Estries Targets Government, Tech for Cyberespionage
August 30, 2023
Earlier this year, Trend Micro researchers discovered a new cyberespionage campaign by a hacker group we named Earth Estries. Based on their observations, Earth Estries has been active since at least 2020. The researchers also found some overlaps between the tactics, techniques, and procedures (TTPs) used by Earth Estries and those used by another advanced ...
- Diving Deep into UNC4841 Operations Following Barracuda ESG Zero-Day Remediation (CVE-2023-2868)
August 29, 2023
On June 15, 2023, Mandiant released a blog post detailing an 8-month-long global espionage campaign conducted by a Chinese-nexus threat group tracked as UNC4841. Over the course of this follow up blog post, Mandiant researchers will detail how UNC4841 has continued to show sophistication and adaptability in response to remediation efforts. Specifically, UNC4841 deployed new and ...
- Flax Typhoon using legitimate software to quietly access Taiwanese organizations
August 24, 2023
Microsoft has identified a nation-state activity group tracked as Flax Typhoon, based in China, that is targeting dozens of organizations in Taiwan with the likely intention of performing espionage. Flax Typhoon gains and maintains long-term access to Taiwanese organizations’ networks with minimal use of malware, relying on tools built into the operating system, along with ...
- Lazarus Group’s infrastructure reuse leads to discovery of new malware
August 24, 2023
In the new Lazarus Group campaign we recently disclosed, the North Korean state-sponsored actor continues to use much of the same infrastructure despite those components being well-documented by security researchers over the years. Their continued use of the same tactics, techniques and procedures (TTPs) — many of which are publicly known — highlights the group’s confidence ...
- Carderbee: APT Group use Legit Software in Supply Chain Attack Targeting Orgs in Hong Kong
August 22, 2023
A previously unknown advanced persistent threat (APT) group used the legitimate Cobra DocGuard software to carry out a supply chain attack with the goal of deploying the Korplug backdoor (aka PlugX) onto victim computers. In the course of this attack, the attackers used malware signed with a legitimate Microsoft certificate. Most of the victims in this ...
- Common TTPs of attacks against industrial organizations
August 10, 2023
In 2022 Kaspersky investigated a series of attacks against industrial organizations in Eastern Europe. In the campaigns, the attackers aimed to establish a permanent channel for data exfiltration, including data stored on air-gapped systems. Based on similarities found between these campaigns and previously researched campaigns (e.g., ExCone, DexCone), including the use of FourteenHi variants, specific TTPs ...