China-Linked APTs Exploit SAP CVE-2025-31324 to Breach 581 Critical Systems Worldwide

A recently disclosed critical security flaw impacting SAP NetWeaver is being exploited by multiple China-nexus nation-state actors to target critical infrastructure networks. "Actors leveraged CVE-2025-31324, an unauthenticated file upload vulnerability that enables remote code execution RCE,"...

Using a Mythic agent to optimize penetration testing

Introduction The way threat actors use post-exploitation frameworks in their attacks is a topic we frequently discuss. It's not just about analysis of artifacts for us, though. Our company's deep expertise means we can study these tools to implement best practices in penetration testing. This hel...

Redefining IABs: Impacts of compartmentalization on threat tracking and modeling

Cisco Talos has observed a growing trend of attack kill chains being split into two stages -- initial compromise and subsequent exploitation -- executed by separate threat actors. This compartmentalization increases the complexity and difficulty of performing threat modeling and actor profiling...

OtterCookie v4 Adds VM Detection and Chrome, MetaMask Credential Theft Capabilities

The North Korean threat actors behind the Contagious Interview campaign have been observed using updated versions of a cross-platform malware called OtterCookie with capabilities to steal credentials from web browsers and other files. NTT Security Holdings, which detailed the new findings, said t...

The IT help desk kindly requests you read this newsletter

Welcome to this week's edition of the Threat Source newsletter. Authority bias is one of the many things that shape how we think. Taking the advice of someone with recognized authority is often far easier and usually leads to a better outcome than spending time and effort in researching the...

Elevating Cyber Threat Intelligence against Disinformation Campaigns with LLM-Based Concept Extraction and the FakeCTI Dataset

The swift spread of fake news and disinformation campaigns poses a significant threat to public trust, political stability, and cybersecurity. Traditional Cyber Threat Intelligence CTI approaches, which rely on low-level indicators such as domain names and social media handles, are easily evaded ...

Fake Security Plugin on WordPress Enables Remote Admin Access for Attackers

Cybersecurity researchers have shed light on a new campaign targeting WordPress sites that disguises the malware as a security plugin. The plugin, which goes by the name "WP-antymalwary-bot.php," comes with a variety of features to maintain access, hide itself from the admin dashboard, and execut...

North Korean Hackers Spread Malware via Fake Crypto Firms and Job Interview Lures

North Korea-linked threat actors behind the Contagious Interview have set up front companies as a way to distribute malware during the fake hiring process. "In this new campaign, the threat actor group is using three front companies in the cryptocurrency consulting industry – BlockNovas LLC...

Introducing ToyMaker, an initial access broker working in cahoots with double extortion gangs

In 2023, Cisco Talos discovered an extensive compromise in a critical infrastructure enterprise consisting of a combination of threat actors. From initial access to double extortion, these actors slowly and steadily compromised a multitude of hosts in the network using a combination of various...

Russian Host Proton66 Tied to SuperBlack and WeaXor Ransomware

Threat actors are exploiting bulletproof hosting service Proton66 for malicious activities, including campaigns from SuperBlack ransomware operators, Android…...

PT-2025-17845

Name of the Vulnerable Software and Affected Versions SAP NetWeaver versions prior to September 2025 Description A critical remote code execution issue exists in the SAP NetWeaver Development Server, specifically within the Visual Composer tool's Metadata Uploader function. The flaw is caused by...

SuperCard X Android Malware Enables Contactless ATM and PoS Fraud via NFC Relay Attacks

A new Android malware-as-a-service MaaS platform named SuperCard X can facilitate near-field communication NFC relay attacks, enabling cybercriminals to conduct fraudulent cashouts. The active campaign is targeting customers of banking institutions and card issuers in Italy with an aim to...

SpyNote, BadBazaar, MOONSHINE Malware Target Android and iOS Users via Fake Apps

Cybersecurity researchers have found that threat actors are setting up deceptive websites hosted on newly registered domains to deliver a known Android malware called SpyNote. These bogus websites masquerade as Google Play Store install pages for apps like the Chrome web browser, indicating an...

Threat actors thrive in chaos

Welcome to this week's edition of the Threat Source newsletter. If there's one thing that threat actors love, it's chaos. Headlines in the news that provoke an emotional response make excellent phishing lures because the intense feelings invoked by a provocative subject line cause our critical...

2025 Ransomware: Business as Usual, Business is Booming

Getting an edge on your adversaries involves understanding their behaviors and their mindset. Rapid7 Labs took a look at internal and publicly-available ransomware data for Q1 2025 and added our own insights to provide a picture of the year thus far—and what you can do now to reduce your attack...

CISA and FBI Warn Fast Flux is Powering Resilient Malware, C2, and Phishing Networks

Cybersecurity agencies from Australia, Canada, New Zealand, and the United States have published a joint advisory about the risks associated with a technique called fast flux that has been adopted by threat actors to obscure a command-and-control C2 channel. "'Fast flux' is a technique used to...

One mighty fine-looking report

Welcome to this week's edition of the Threat Source newsletter. They say art is subjective, but have you ever seen a well-formatted bar chart? Van Gogh had Starry Night , but Talos' 2024 Year in Review available now! has color-coded data with perfect labels. True beauty. If you haven't yet had a...

CVE-2025-30406

Gladinet CentreStack through 16.1.10296.56315 fixed in 16.4.10315.56368 has a deserialization vulnerability due to the CentreStack portal's hardcoded machineKey use, as exploited in the wild in March 2025. This enables threat actors who know the machineKey to serialize a payload for server-side...

BADBOX 2.0 Botnet Infects 1 Million Android Devices for Ad Fraud and Proxy Abuse

At least four different threat actors have been identified as involved in an updated version of a massive ad fraud and residential proxy scheme called BADBOX, painting a picture of an interconnected cybercrime ecosystem. This includes SalesTracker Group, MoYu Group, Lemon Group, and LongTV,...

CVE-2020-29010

An exposure of sensitive information to an unauthorized actor vulnerability in FortiOS version 6.2.4 and below, version 6.0.10 and belowmay allow remote authenticated actors to read the SSL VPN events log entries of users in other VDOMs by executing "get vpn ssl monitor" from the CLI. The sensiti...