FormBook Malware Spreads via Malvertising Using MalVirt Loader to Evade Detection

An ongoing malvertising campaign is being used to distribute virtualized .NET loaders that are designed to deploy the FormBook information-stealing malware. "The loaders, dubbed MalVirt, use obfuscated virtualization for anti-analysis and evasion along with the Windows Process Explorer driver for...

North Korean Hackers Exploit Unpatched Zimbra Devices in 'No Pineapple' Campaign

A new intelligence gathering campaign linked to the prolific North Korean state-sponsored Lazarus Group leveraged known security flaws in unpatched Zimbra devices to compromise victim systems. That's according to Finnish cybersecurity company WithSecure formerly F-Secure, which codenamed the...

CRYPTBOT Information-Stealing Malware Targeting Your Browser and Crypto-Wallet

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary CRYPTBOT is malware that steals personal information by gathering browser credentials, cookies, cryptocurrency wallets, and system information. It then compresses the collected data into a zip file and...

Chinese Hackers Utilize Golang Malware in DragonSpark Attacks to Evade Detection

Organizations in East Asia are being targeted by a likely Chinese-speaking actor dubbed DragonSpark while employing uncommon tactics to go past security layers. "The attacks are characterized by the use of the little known open source SparkRAT and malware that attempts to evade detection through...

Iranian Government Entities Under Attack by New Wave of BackdoorDiplomacy Attacks

The threat actor known as BackdoorDiplomacy has been linked to a new wave of attacks targeting Iranian government entities between July and late December 2022. Palo Alto Networks Unit 42, which is tracking the activity under its constellation-themed moniker Playful Taurus, said it observed the...

New Backdoor Created Using Leaked CIA's Hive Malware Discovered in the Wild

Unidentified threat actors have deployed a new backdoor that borrows its features from the U.S. Central Intelligence Agency CIA's Hive multi-platform malware suite, the source code of which was released by WikiLeaks in November 2017. "This is the first time we caught a variant of the CIA Hive...

New Analysis Reveals Raspberry Robin Can be Repurposed by Other Threat Actors

A new analysis of Raspberry Robin's attack infrastructure has revealed that it's possible for other threat actors to repurpose the infections for their own malicious activities, making it an even more potent threat. Raspberry Robin aka QNAP worm, attributed to a threat actor dubbed DEV-0856, is a...

Russian Turla Hackers Hijack Decade-Old Malware Infrastructure to Deploy New Backdoors

The Russian cyberespionage group known as Turla has been observed piggybacking on attack infrastructure used by a decade-old malware to deliver its own reconnaissance and backdoor tools to targets in Ukraine. Google-owned Mandiant, which is tracking the operation under the uncategorized cluster...

Raspberry Robin Worm Evolves to Attack Financial and Insurance Sectors in Europe

Financial and insurance sectors in Europe have been targeted by the Raspberry Robin worm, as the malware continues to evolve its post-exploitation capabilities while remaining under the radar. "What is unique about the malware is that it is heavily obfuscated and highly complex to statically...

WordPress Security Alert: New Linux Malware Exploiting Over Two Dozen CMS Flaws

WordPress sites are being targeted by a previously unknown strain of Linux malware that exploits flaws in over two dozen plugins and themes to compromise vulnerable systems. "If sites use outdated versions of such add-ons, lacking crucial fixes, the targeted web pages are injected with malicious...

Havoc - Modern and malleable post-exploitation command and control framework

Havoc is a modern and malleablepost-exploitation command and control framework, created by @C5pider. Havoc is in an early state of release. Breaking changes may be made to APIs/core structures as the framework matures. Support Consider supporting C5pider on Patreon/Github Sponsors. Additional...

Emulating KmsdBot’s Command and Control and Examining Its Attack Traffic

Read about the global impact of KmsdBot, a botnet that hit our honeypot earlier this year, and why the evidence is pointing toward it being a DDoS for hire...

Cyber Signals: Risks to critical infrastructure on the rise

Today, the third edition of Cyber Signals was released spotlighting security trends and insights gathered from Microsoft’s 43 trillion daily security signals and 8,500 security experts. In this edition, we share new insights on wider risks that converging IT, Internet of Things IoT, and operation...

Recent Lazarus campaign leveraged Crypto App to spread AppleJeus malware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The Lazarus Group threat actor was noticed employing fake cryptocurrency apps as a ruse to transmit a previously unidentified version of the AppleJeus malware masquerading as malicious Microsoft Office...

New Go-based Botnet Exploiting Exploiting Dozens of IoT Vulnerabilities to Expand its Network

NOTE: In this blog, Zerobot refers to a botnet that spreads primarily through IoT and web application vulnerabilities. It is not associated with the chatbot ZeroBot.ai. A novel Go-based botnet called Zerobot has been observed in the wild proliferating by taking advantage of nearly two dozen...

North Korean Hackers Spread AppleJeus Malware Disguised as Cryptocurrency Apps

The Lazarus Group threat actor has been observed leveraging fake cryptocurrency apps as a lure to deliver a previously undocumented version of the AppleJeus malware, according to new findings from Volexity. "This activity notably involves a campaign likely targeting cryptocurrency users and...

North Korea Hackers Using New "Dolphin" Backdoor to Spy on South Korean Targets

The North Korea-linked ScarCruft group has been attributed to a previously undocumented backdoor called Dolphin that the threat actor has used against targets located in its southern counterpart. "The backdoor ... has a wide range of spying capabilities, including monitoring drives and portable...

Ducktail Malware Operation Evolves with New Malicious Capabilities

The operators of the Ducktail information stealer have demonstrated a "relentless willingness to persist" and continued to update their malware as part of an ongoing financially driven campaign. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook session...

Nighthawk Likely to Become Hackers' New Post-Exploitation Tool After Cobalt Strike

A nascent and legitimate penetration testing framework known as Nighthawk is likely to gain threat actors' attention for its Cobalt Strike-like capabilities. Enterprise security firm Proofpoint said it detected the use of the software in mid-September 2022 by a red team with a number of test emai...

Google Identifies 34 Cracked Versions of Popular Cobalt Strike Hacking Toolkit in the Wild

Google Cloud last week disclosed that it identified 34 different hacked release versions of the Cobalt Strike tool in the wild, the earliest of which shipped in November 2012. The versions, spanning 1.44 to 4.7, add up to a total of 275 unique JAR files, according to findings from the Google Clou...