U.S. Sanctions North Korean Group Behind WannaCry, Sony Hacks

The U.S. has slapped sanctions on three well-known North Korean state-sponsored hacker groups – including the group that was tied to the 2017 WannaCry ransomware attacks and the 2014 cyberattack on Sony Pictures Entertainment. The three that were sanctioned are the infamous Lazarus Group, as well...

North Korean Spear-Phishing Attack Targets U.S. Firms

Researchers have uncovered an ongoing, sophisticated malware campaign aiming at U.S.-based targets with an interest in nuclear deterrence, North Korea’s nuclear submarine program and North Korean economic sanctions. The campaign, which researchers from Prevailion call “Autumn Aperture” and link...

North Korean Malicious Cyber Activity

The Cybersecurity and Infrastructure Security Agency CISA and the Federal Bureau of Investigation FBI have identified two malware variants—referred to as ELECTRICFISH and BADCALL—used by the North Korean government. The U.S. Government refers to malicious cyber activity by the North Korean...

CVE-2019-15637

Numerous Tableau products are vulnerable to XXE via a malicious workbook, extension, or data source, leading to information disclosure or a DoS. This affects Tableau Server, Tableau Desktop, Tableau Reader, and Tableau Public Desktop. Recent assessments: ccondon-r7 at July 26, 2024 2:21pm UTC...

Threat Source newsletter (Aug. 15)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. Sorry we missed you last week, we were all away at Hacker Summer Camp. If you missed us at Black Hat, we have a roundup up on the blog o...

GoBotKR Targets Pirate Torrents to Build a DDoS Botnet

A botnet dubbed GoBotKR is targeting fans of Korean TV, compromising computers via pirated copies of South Korean movies, games and TV shows available via Korean and Chinese torrent sites. Ultimately, the cybercriminals are building a network that can then be used to perform DDoS attacks of vario...

WordPress Sites Worldwide Hit with 'Call-Girl' Search-Engine Pollution

A web spam campaign that targets Koreans is creating problems for site administrators all around the world. Hackers are compromising vulnerable Korean-language WordPress websites, but are also polluting search engine results for non-hacked sites globally. Researchers at Sucuri initially uncovered...

ScarCruft APT Adds Bluetooth Harvester to its Malware Bag of Tricks

The ScarCruft Korean-speaking APT is changing up its espionage tactics to include an unusual piece of malware devoted to harvesting Bluetooth information – while also showing some overlap with the DarkHotel APT. An analysis of ScarCruft’s binary infection procedure by Kaspersky Lab shows that in ...

North Korean Hackers Using ELECTRICFISH Tunnels to Exfiltrate Data

The U.S. Department of Homeland Security DHS and the FBI have issued another joint alert about a new piece of malware that the prolific North Korean APT hacking group Hidden Cobra has actively been using in the wild. Hidden Cobra, also known as Lazarus Group and Guardians of Peace, is believed to...

North Korean Hackers Using ELECTRICFISH Tunnels to Exfiltrate Data

The U.S. Department of Homeland Security DHS and the FBI have issued another joint alert about a new piece of malware that the prolific North Korean APT hacking group Hidden Cobra has actively been using in the wild. Hidden Cobra, also known as Lazarus Group and Guardians of Peace, is believed to...

North Korean Malicious Cyber Activity

The Department of Homeland Security DHS and the Federal Bureau of Investigation FBI have identified a malware variant—referred to as ELECTRICFISH—used by the North Korean government. The U.S. Government refers to malicious cyber activity by the North Korean government as HIDDEN COBRA. The...

The Strange Journey of an NSA Zero-Day—Into Multiple Enemies' Hands

How a "secret" hackable bug found by the NSA was used over by Chinese, North Korean, and Russian hackers to wreak havoc...

North Korean Malicious Cyber Activity

The Department of Homeland Security DHS and the Federal Bureau of Investigation FBI have identified a Trojan malware variant—referred to as HOPLIGHT—used by the North Korean government. The U.S. Government refers to malicious cyber activity by the North Korean government as HIDDEN COBRA. The...

Inside job: Bithumb crypto exchange hacked again; loses $20 million

By Waqas This is the third time that Bithumb has been hacked to steal millions in cryptocurrency. Crypto industry is being hammered by cybercriminals with full frequency lately. There are reports of a new attack against South Korean bitcoin exchange called Bithumb due to which the exchange got...

Cryptocurrency businesses still being targeted by Lazarus

It's hardly news to anyone who follows cyberthreat intelligence that the Lazarus APT group targets financial entities, especially cryptocurrency exchanges. Financial gain remains one of the main goals for Lazarus, with its tactics, techniques, and procedures constantly evolving to avoid detection...

CVE-2019-7609

Kibana versions before 5.6.15 and 6.6.1 contain an arbitrary code execution flaw in the Timelion visualizer. An attacker with access to the Timelion application could send a request that will attempt to execute javascript code. This could possibly lead to an attacker executing arbitrary commands...

TAU Threat Intelligence Notification: Operation SharpShooter

Operation Sharpshooter, leverages an embedded shellcode as an in-memory implant to download and retrieve a second-stage implant, which is known as Rising Sun. Rising Sun uses source code from the Duuzer backdoor that has been used in a past campaign of Lazarus group. This newly discovered campaig...

The Advanced Persistent Threat files: Lazarus Group

We've heard a lot about Advanced Persistent Threats APTs over the past few years. As a refresher, APTs are prolonged, aimed attacks on specific targets with the intention to compromise their systems and gain information from or about that target. While the targets may be anyone or anything—a...

Researchers Link 'Sharpshooter' Cyber Attacks to North Korean Hackers

Security researchers have finally, with "high confidence," linked a previously discovered global cyber espionage campaign targeting critical infrastructure around the world to a North Korean APT hacking group. Thanks to the new evidence collected by researchers after analyzing a command-and-contr...

Cyber Security Week in Review (Feb. 1)

Welcome to this week's Cyber Security Week in Review, where Cisco Talos runs down all of the news we think you need to know in the security world. For more news delivered to your inbox every week, sign up for our Threat Source newsletter here. Top headlines this week Apple revoked a set of...