Nitrokod Crypto Miner Infected Over 111,000 Users with Copies of Popular Software

A Turkish-speaking entity called Nitrokod has been attributed to an active cryptocurrency mining campaign that involves impersonating a desktop application for Google Translate to infect over 111,000 victims in 11 countries since 2019. "The malicious tools can be used by anyone," Maya Horowitz,...

GHSA-PVJG-JWP3-MRJ5 chia-blockchain tokens can be inflated to an arbitrary extent

An inflation issue was discovered in Chia Network CAT1 Standard 1.0.0. Previously minted tokens minted on the Chia blockchain using the CAT1 standard can be inflated to an arbitrary extent by any holder of any amount of the token. The total amount of the token can be increased as high as the...

Popular NFT Marketplace Phished for $540M

Axie Infinity, a popular destination for 3 million traders of in-game collectible non-fungible tokens, reportedly lost $540M in cryptocurrency in a recruiting-themed spear phishing attack. The perpetrators of the crime are believed to be an advanced persistent threat group with ties to North...

MAL-2022-3177 Malicious code in free-pokemon-go-coin-2022-new-pogo-coins (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 0ff9f3cc21d6b3b07fe7ac416f32e29529c03a041a3938f6ce9bdbb6ba4eeb94 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices

In the last six months, we observed a 254% increase in activity from a Linux trojan called XorDdos. First discovered in 2014 by the research group MalwareMustDie, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers as well as its usage of XOR-based...

Millions of Java Apps Remain Vulnerable to Log4Shell

Four months after the discovery of the zero-day Log4Shell critical flaw, millions of Java applications still remain vulnerable to compromise, researchers have found. Rezilion expected that due to the “massive amount of media coverage” the bug unsurprisingly received, the majority of applications...

Opportunistic Exploitation of WSO2 CVE-2022-29464

On April 18, 2022, MITRE published CVE-2022-29464 , an unrestricted file upload vulnerability affecting various WSO2 products. WSO2 followed with a security advisory explaining the vulnerability allowed unauthenticated and remote attackers to execute arbitrary code in the following products: API...

Muhstik Botnet Targeting Redis Servers Using Recently Disclosed Vulnerability

Muhstik, a botnet infamous for propagating via web application exploits, has been observed targeting Redis servers using a recently disclosed vulnerability in the database system. The vulnerability relates to CVE-2022-0543, a Lua sandbox escape flaw in the open-source, in-memory, key-value data...

Microsoft Sees Rampant Log4j Exploit Attempts, Testing

No surprise here: The holidays bought no Log4Shell relief. Threat actors vigorously launched exploit attempts and testing during the last weeks of December, Microsoft said on Monday, in the latest update to its landing page and guidance around the flaws in Apache’s Log4j logging library. “We have...

Guidance for preventing, detecting, and hunting for exploitation of the Log4j 2 vulnerability

January 10, 2022 recap – The Log4j vulnerabilities represent a complex and high-risk situation for companies across the globe. This open-source component is widely used across many suppliers’ software and services. By nature of Log4j being a component, the vulnerabilities affect not only...

BlackByte ransomware exploits Microsoft Servers ProxyShell Vulnerabilities

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. BlackByte ransomware is targeting organizations with unpatched ProxyShell vulnerabilities. Proxy Shell was addressed by hive pro threat researcher in the previous advisory released on August 24. ProxyShell is a combination of...

Opportunistic Exploitation of Zoho ManageEngine and Sitecore CVEs

Over the weekend of November 6, 2021, Rapid7’s Incident Response IR and Managed Detection and Response MDR teams began seeing opportunistic exploitation of two unrelated CVEs: CVE-2021-40539, a REST API authentication bypass in Zoho’s ManageEngine ADSelfService Plus product that Rapid7 has...

A guide to combatting human-operated ransomware: Part 2

This blog is part two of a two-part series focused on how Microsoft DART helps customers with human-operated ransomware. For more guidance on human-operated ransomware and how to defend against these extortion-based attacks, refer to our human-operated ransomware docs page. In part one of this bl...

CVE-2021-40539

Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution. Recent assessments: ccondon-r7 at November 08, 2021 3:18pm UTC reported: Rapid7’s services teams are observing opportunistic exploitation of this...

Active Exploitation of Confluence Server & Confluence Data Center: CVE-2021-26084

This attack is ongoing. See the Updates section at the end of this post for new information as it comes to light. On August 25, 2021, Atlassian published details on CVE-2021-26084, a critical remote code execution vulnerability in Confluence Server and Confluence Data Center. The vulnerability...

Top 15 Vulnerabilities Attackers Exploited Millions of Times to Hack Linux Systems

Close to 14 million Linux-based systems are directly exposed to the Internet, making them a lucrative target for an array of real-world attacks that could result in the deployment of malicious web shells, coin miners, ransomware, and other trojans. That's according to an in-depth look at the Linu...

When coin miners evolve, Part 2: Hunting down LemonDuck and LemonCat attacks

Note: In this two-part blog series, we expose a modern malware infrastructure and provide guidance for protecting against the wide range of threats it enables. Part 1 covered the evolution of the threat, how it spreads, and how it impacts organizations. Part 2 provides a deep dive on the attacker...

When coin miners evolve, Part 1: Exposing LemonDuck and LemonCat, modern mining malware infrastructure

Note: In this two-part blog series, we expose a modern malware infrastructure and provide guidance for protecting against the wide range of threats it enables. Part 1 covers the evolution of the threat, how it spreads, and how it impacts organizations. Part 2 is a deep dive on the attacker behavi...

When coin miners evolve, Part 1: Exposing LemonDuck and LemonCat, modern mining malware infrastructure

Note: In this two-part blog series, we expose a modern malware infrastructure and provide guidance for protecting against the wide range of threats it enables. Part 1 covers the evolution of the threat, how it spreads, and how it impacts organizations. Part 2 is a deep dive on the attacker behavi...

Reddit: IDOR to pay less for coin purchases on oauth.reddit.com via /api/v2/gold/paypal/create_coin_purchase_order in `order_id` parameter

Summary: This vulnerability consist of modifying the PayPal transaction ID to buy a big coin pack but paying the small price for it. Impact: The only impact here could be that you don't earn the money you deserve, and users can offer a lot of presents to other users, breaking the magic of the...