Strengthening supply chain security: Preparing for the next malware campaign

The open source ecosystem continues to face organized, adaptive supply chain threats that spread through compromised credentials and malicious package lifecycle scripts. The most recent example is the multi-wave Shai-Hulud campaign. While individual incidents differ in their mechanics and speed,...

Two Chrome Extensions Caught Secretly Stealing Credentials from Over 170 Sites

Cybersecurity researchers have discovered two malicious Google Chrome extensions with the same name and published by the same developer that come with capabilities to intercept traffic and capture user credentials. The extensions are advertised as a "multi-location network speed test plug-in" for...

Android Malware Operations Merge Droppers, SMS Theft, and RAT Capabilities at Scale

Threat actors have been observed leveraging malicious dropper apps masquerading as legitimate applications to deliver an Android SMS stealer dubbed Wonderland in mobile attacks targeting users in Uzbekistan. "Previously, users received 'pure' Trojan APKs that acted as malware immediately upon...

Kimwolf Botnet Hijacks 1.8 Million Android TVs, Launches Large-Scale DDoS Attacks

A new distributed denial-of-service DDoS botnet known as Kimwolf has enlisted a massive army of no less than 1.8 million infected devices comprising Android-based TVs, set-top boxes, and tablets, and may be associated with another botnet known as AISURU, according to findings from QiAnXin XLab...

NANOREMOTE Malware Uses Google Drive API for Hidden Control on Windows Systems

Cybersecurity researchers have disclosed details of a new fully-featured Windows backdoor called NANOREMOTE that uses the Google Drive API for command-and-control C2 purposes. According to a report from Elastic Security Labs, the malware shares code similarities with another implant codenamed...

React2Shell Exploitation Delivers Crypto Miners and New Malware Across Multiple Sectors

React2Shell continues to witness heavy exploitation, with threat actors leveraging the maximum-severity security flaw in React Server Components RSC to deliver cryptocurrency miners and an array of previously undocumented malware families, according to new findings from Huntress. This includes a...

MuddyWater Deploys UDPGangster Backdoor in Targeted Turkey-Israel-Azerbaijan Campaign

The Iranian hacking group known as MuddyWater has been observed leveraging a new backdoor dubbed UDPGangster that uses the User Datagram Protocol UDP for command-and-control C2 purposes. The cyber espionage activity targeted users in Turkey, Israel, and Azerbaijan, according to a report from...

CISA Reports PRC Hackers Using BRICKSTORM for Long-Term Access in U.S. Systems

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday released details of a backdoor named BRICKSTORM that has been put to use by state-sponsored threat actors from the People's Republic of China PRC to maintain long-term persistence on compromised systems. "BRICKSTORM is a...

⚡ Weekly Recap: Hot CVEs, npm Worm Returns, Firefox RCE, M365 Email Raid & More

Hackers aren't kicking down the door anymore. They just use the same tools we use every day — code packages, cloud accounts, email, chat, phones, and "trusted" partners — and turn them against us. One bad download can leak your keys. One weak vendor can expose many customers at once. One guest...

Tomiris Shifts to Public-Service Implants for Stealthier C2 in Attacks on Government Targets

The threat actor known as Tomiris has been attributed to attacks targeting foreign ministries, intergovernmental organizations, and government entities in Russia with an aim to establish remote access and deploy additional tools. "These attacks highlight a notable shift in Tomiris's tactics, name...

North Korean Hackers Deploy 197 npm Packages to Spread Updated OtterCookie Malware

The North Korean threat actors behind the Contagious Interview campaign have continued to flood the npm registry with 197 more malicious packages since last month. According to Socket, these packages have been downloaded over 31,000 times, and are designed to deliver a variant of OtterCookie that...

Fake Battlefield 6 Downloads Are Spreading Malware, Stealing Player Data

Bitdefender Labs found fake Battlefield 6 pirated copies and trainers spreading aggressive malware, C2 agents, and infostealers, designed to steal player data and crypto-wallets...

China-Linked APT31 Launches Stealthy Cyberattacks on Russian IT Using Cloud Services

The China-linked advanced persistent threat APT group known as APT31 has been attributed to cyber attacks targeting the Russian information technology IT sector between 2024 and 2025 while staying undetected for extended periods of time. "In the period from 2024 to 2025, the Russian IT sector,...

Malicious code in siitoogether (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 6fccd687f1acb55e6da0782b08ef14b3e8be5587dee4743a163a106c48390a50 Importing the module starts an RAT-like process capable of execute remote commands, with the C2 through Discord --- Category: MALICIOUS - The campaign has...

Hiding in the AI Traffic: Abusing MCP for LLM-Powered Agentic Red Teaming

Generative AI is reshaping offensive cybersecurity by enabling autonomous red team agents that can plan, execute, and adapt during penetration tests. However, existing approaches face trade-offs between generality and specialization, and practical deployments reveal challenges such as...

Researchers Detail Tuoni C2's Role in an Attempted 2025 Real-Estate Cyber Intrusion

Cybersecurity researchers have disclosed details of a cyber attack targeting a major U.S.-based real-estate company that involved the use of a nascent command-and-control C2 and red teaming framework known as Tuoni. "The campaign leveraged the emerging Tuoni C2 framework, a relatively new,...

From Log4j to IIS, China's Hackers Turn Legacy Bugs into Global Espionage Tools

A China-linked threat actor has been attributed to a cyber attack targeting an U.S. non-profit organization with an aim to establish long-term persistence, as part of broader activity aimed at U.S. entities that are linked to or involved in policy issues. The organization, according to a report...

Microsoft Detects "SesameOp" Backdoor Using OpenAI's API as a Stealth Command Channel

Microsoft has disclosed details of a novel backdoor dubbed SesameOp that uses OpenAI Assistants Application Programming Interface API for command-and-control C2 communications. "Instead of relying on more traditional methods, the threat actor behind this backdoor abuses OpenAI as a C2 channel as ...

SesameOp: Novel backdoor uses OpenAI Assistants API for command and control

Microsoft Incident Response – Detection and Response Team DART researchers uncovered a new backdoor that is notable for its novel use of the OpenAI Assistants Application Programming Interface API as a mechanism for command-and-control C2 communications. Instead of relying on more traditional...

SesameOp: Novel backdoor uses OpenAI Assistants API for command and control

Microsoft Incident Response – Detection and Response Team DART researchers uncovered a new backdoor that is notable for its novel use of the OpenAI Assistants Application Programming Interface API as a mechanism for command-and-control C2 communications. Instead of relying on more traditional...