Striking Back at Cobalt: Using Network Traffic Metadata to Detect Cobalt Strike Masquerading Command and Control Channels

Off-the-shelf software for Command and Control is often used by attackers and legitimate pentesters looking for discretion. Among other functionalities, these tools facilitate the customization of their network traffic so it can mimic popular websites, thereby increasing their secrecy. Cobalt...

Malicious Package

Overview coloramapkgsw is a malicious package. This package contains payloads with Windows and Linux variants that access and exfiltrate sensitive configuration information, establish remote control / remote access for the attacker, establish persistence and “command and control” C2 mechanisms...

Malicious Package

Overview coloramapkgs is a malicious package. This package contains payloads with Windows and Linux variants that access and exfiltrate sensitive configuration information, establish remote control / remote access for the attacker, establish persistence and “command and control” C2 mechanisms...

Malicious Package

Overview coloramashowtemp is a malicious package. This package contains payloads with Windows and Linux variants that access and exfiltrate sensitive configuration information, establish remote control / remote access for the attacker, establish persistence and “command and control” C2 mechanisms...

Malicious Package

Overview coloraiz is a malicious package. This package contains payloads with Windows and Linux variants that access and exfiltrate sensitive configuration information, establish remote control / remote access for the attacker, establish persistence and “command and control” C2 mechanisms...

Malicious Package

Overview coloramapkgsdow is a malicious package. This package contains payloads with Windows and Linux variants that access and exfiltrate sensitive configuration information, establish remote control / remote access for the attacker, establish persistence and “command and control” C2 mechanisms...

Malicious Package

Overview readmecolorama is a malicious package. This package contains payloads with Windows and Linux variants that access and exfiltrate sensitive configuration information, establish remote control / remote access for the attacker, establish persistence and “command and control” C2 mechanisms...

Chinese APT41 Exploits Google Calendar for Malware Command-and-Control Operations

Google on Wednesday disclosed that the Chinese state-sponsored threat actor known as APT41 leveraged a malware called TOUGHPROGRESS that uses Google Calendar for command-and-control C2. The tech giant, which discovered the activity in late October 2024, said the malware was hosted on a compromise...

New PumaBot Botnet Targets Linux IoT Devices to Steal SSH Credentials and Mine Crypto

Embedded Linux-based Internet of Things IoT devices have become the target of a new botnet dubbed PumaBot. Written in Go, the botnet is designed to conduct brute-force attacks against SSH instances to expand in size and scale and deliver additional malware to the infected hosts. "Rather than...

Lazarus Group Targets Crypto-Wallets and Financial Data While Employing New Tradecrafts

This report presents a comprehensive analysis of a malicious software sample, detailing its architecture, behavioral characteristics, and underlying intent. Through static and dynamic examination, the malware core functionalities, including persistence mechanisms, command-and-control communicatio...

CVE-2024-45163

The Mirai botnet through 2024-08-19 mishandles simultaneous TCP connections to the CNC command and control server. Unauthenticated sessions remain open, causing resource consumption. For example, an attacker can send a recognized username such as root, or can send arbitrary data...

FBI and Europol Disrupt Lumma Stealer Malware Network Linked to 10 Million Infections

A sprawling operation undertaken by global law enforcement agencies and a consortium of private sector firms has disrupted the online infrastructure associated with a commodity information stealer known as Lumma aka LummaC or LummaC2, seizing 2,300 domains that acted as the command-and-control C2...

Lumma Stealer: Breaking down the delivery techniques and capabilities of a prolific infostealer

Over the past year, Microsoft observed the persistent growth and operational sophistication of Lumma Stealer, an infostealer malware used by multiple financially motivated threat actors to target various industries. Our investigation into Lumma Stealer’s distribution infrastructure reveals a...

PureRAT Malware Spikes 4x in 2025, Deploying PureLogs to Target Russian Firms

Russian organizations have become the target of a phishing campaign that distributes malware called PureRAT, according to new findings from Kaspersky. "The campaign aimed at Russian business began back in March 2023, but in the first third of 2025 the number of attacks quadrupled compared to the...

Fake Kling AI Facebook Ads Deliver RAT Malware to Over 22 Million Potential Victims

Counterfeit Facebook pages and sponsored ads on the social media platform are being employed to direct users to fake websites masquerading as Kling AI with the goal of tricking victims into downloading malware. Kling AI is an artificial intelligence AI-powered platform to synthesize images and...

Ransomware Gangs Use Skitnet Malware for Stealthy Data Theft and Remote Access

Several ransomware actors are using a malware called Skitnet as part of their post-exploitation efforts to steal sensitive data and establish remote control over compromised hosts. "Skitnet has been sold on underground forums like RAMP since April 2024," Swiss cybersecurity company PRODAFT told T...

MintsLoader Drops GhostWeaver via Phishing, ClickFix — Uses DGA, TLS for Stealth Attacks

The malware loader known as MintsLoader has been used to deliver a PowerShell-based remote access trojan called GhostWeaver. "MintsLoader operates through a multi-stage infection chain involving obfuscated JavaScript and PowerShell scripts," Recorded Future's Insikt Group said in a report shared...

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...

Nebulous Mantis Targets NATO-Linked Entities with Multi-Stage Malware Attacks

Cybersecurity researchers have shed light on a Russian-speaking cyber espionage group called Nebulous Mantis that has deployed a remote access trojan known as RomCom RAT since mid-2022. RomCom "employs advanced evasion techniques, including living-off-the-land LOTL tactics and encrypted command a...

Malicious code in pie-docs (npm)

This package steals IP address and sent it to C&C server in preinstall hook. --- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 6326ffe9d39e0d889a1a93b2faf51b274055e4a9f12f3596cdca2f85098245d3 Any computer that has this package installed or running should be considered...