- 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 ...
- Germany says Charming Kitten hackers target Iran dissidents
August 10, 2023
Germany’s Federal Office for the Protection of the Constitution (BfV) on Thursday warned critics of the Iranian leadership living in Germany that they might be targeted by hackers. The agency said the Charming Kitten online espionage group works by building trust with victims to the extent that they expose data on themselves, and any online ...
- Midnight Blizzard conducts targeted social engineering over Microsoft Teams
August 2, 2023
Microsoft Threat Intelligence has identified highly targeted social engineering attacks using credential theft phishing lures sent as Microsoft Teams chats by the threat actor that Microsoft tracks as Midnight Blizzard (previously tracked as NOBELIUM). This latest attack, combined with past activity, further demonstrates Midnight Blizzard’s ongoing execution of their objectives using both new and common ...
- CISA and International Partner NCSC-NO Release Joint Cybersecurity Advisory on Threat Actors Exploiting Ivanti EPMM Vulnerabilities
August 1, 2023
The Cybersecurity and Infrastructure Security Agency (CISA) and the Norwegian National Cyber Security Centre (NCSC-NO) have released a joint Cybersecurity Advisory (CSA), Threat Actors Exploiting Ivanti EPMM Vulnerabilities, in response to the active exploitation of CVE-2023-35078 and CVE-2023-35081 affecting Ivanti Endpoint Manager Mobile (EPMM) (formerly known as MobileIron Core). Threat actors can chain these vulnerabilities to ...