SecuriTricks

Distribution of SmartLoader Malware via Github Repository Disguised as a Legitimate Project

A massive distribution of SmartLoader malware has been discovered through GitHub repositories masquerading as legitimate projects. These repositories focus on topics like game cheats, software cracks, and automation tools to attract users. The malware is distributed via compressed files containing …

obfuscation

rhadamanthys

Published: August 13, 2025

Downloadable IOCs: 11

CastleLoader Analysis

CastleLoader, a versatile malware loader, has infected 469 devices since May 2025 using Cloudflare-themed ClickFix phishing and fake GitHub repositories. It delivers information stealers and RATs, with a 28.7% infection rate. The malware employs sophisticated techniques, including PowerShell and Au…

Published: August 13, 2025

Downloadable IOCs: 0

Malware Analysis Report: UMBRELLA STAND - Malware targeting Fortinet devices

UMBRELLA STAND is a sophisticated malware targeting FortiGate 100D series firewalls produced by Fortinet. It contains remote shell execution functionality, configurable beacon frequency, and AES-encrypted C2 communications. The malware uses fake TLS on port 443 to beacon to its C2 server and has th…

Published: June 23, 2025

Downloadable IOCs: 11

Analysis of a Malicious WordPress Plugin: The Covert Redirector

A malicious WordPress plugin named 'wordpress-player.php' has been discovered, affecting at least 26 websites. The plugin injects a hidden HTML5 video player and establishes a WebSocket connection to a command and control server. It redirects visitors to suspicious websites after 4-5 seconds, avoid…

Published: June 19, 2025

Downloadable IOCs: 1

Fileless AsyncRAT Distributed Via Clickfix Technique Targeting German Speaking Users

A fileless AsyncRAT campaign is targeting German-speaking users through Clickfix-themed websites. The attack uses a fake 'I'm not a robot' prompt to execute malicious PowerShell code, which downloads and runs obfuscated C# code in memory. This technique enables full remote access, credential theft,…

Published: June 16, 2025

Downloadable IOCs: 0

Beware of AI Pickpockets: Pickai Backdoor Spreading Through ComfyUI Vulnerability

A new backdoor named Pickai is exploiting ComfyUI vulnerabilities to spread and steal sensitive AI data. Developed in C++, Pickai offers remote command execution and reverse shell capabilities with strong persistence and evasion techniques. It uses multiple C2 servers for redundancy and has infecte…

Published: June 13, 2025

Downloadable IOCs: 9

Technical Analysis of TransferLoader

TransferLoader is a newly identified malware loader active since February 2025. It comprises multiple components including a downloader, backdoor, and specialized loader. The malware employs various anti-analysis techniques and code obfuscation to hinder reverse engineering. TransferLoader has been…

Published: May 15, 2025

Downloadable IOCs: 7

Thunderstruck! Malicious ads for RVTools lead to ThunderShell payload

A security incident involving malicious sponsored ads distributing backdoored administrative tools was detected. Users searching for RVTools were served a tampered version containing ThunderShell, a PowerShell-based remote access tool. The malicious ads, appearing in Google search results, led to a…

Published: April 3, 2025

Downloadable IOCs: 0

The Shelby Strategy

The SHELBY malware family exploits GitHub for command-and-control operations, employing sophisticated techniques to evade detection. The malware consists of a loader (SHELBYLOADER) and a backdoor (SHELBYC2), both obfuscated using Obfuscar. SHELBYLOADER employs various sandbox detection methods and …

Published: April 1, 2025

Downloadable IOCs: 0

Auto-Color: An Emerging and Evasive Linux Backdoor

Auto-color is a newly discovered Linux malware that employs sophisticated evasion techniques. It renames itself to benign-looking filenames, hides remote C2 connections using advanced methods similar to Symbiote malware, and uses proprietary encryption for communication. The malware installs a mali…

Published: February 25, 2025

Downloadable IOCs: 10

Tracking Pyramid C2: Identifying Post-Exploitation Servers in Hunt

Pyramid, an open-source post-exploitation framework in Python, is being used by threat actors for malicious purposes. The tool features a lightweight HTTP/S server for encrypted payload delivery, blending with legitimate Python activity. This analysis examines Pyramid's server, outlines network sig…

Published: February 13, 2025

Downloadable IOCs: 0

Unveiling the Past and Present of APT-K-47 Weapon: Asyncshell

The intelligence report details the discovery and analysis of an attack campaign by the APT-K-47 organization, also known as Mysterious Elephant. The attackers used a CHM file to execute a malicious payload, which is an upgraded version of their Asyncshell tool. The new version, dubbed Asyncshell-v…

Published: November 26, 2024

Downloadable IOCs: 3

The Evolution of a Cyber Threat: From JinxLoader to Astolfo Loader

JinxLoader, a Go-based malware loader distributed via phishing emails, has evolved into Astolfo Loader. Originally sold on Hack Forums, JinxLoader was designed to deploy additional malware on Windows and Linux systems. The malware operates as a Malware-as-a-Service, making sophisticated tools acces…

Published: November 26, 2024

Downloadable IOCs: 6

Supply Chain Attack Using Ethereum Smart Contracts to Distribute Multi-Platform Malware

A sophisticated supply chain attack has been discovered targeting the NPM ecosystem. The malicious package 'jest-fet-mock' impersonates popular testing utilities and uses Ethereum smart contracts for command-and-control operations. This cross-platform malware affects Windows, Linux, and macOS, exec…

Published: November 5, 2024

Downloadable IOCs: 4

OSINT Investigation: Hunting Malicious Infrastructure Linked to Transparent Tribe

This investigation tracked infrastructure linked to the APT group Transparent Tribe, identifying 15 malicious hosts on DigitalOcean serving as command-and-control servers for the Mythic exploitation framework. The group employs Linux desktop entry files as an attack vector, targeting individuals in…

Published: September 30, 2024

Downloadable IOCs: 19

Multiple Malware Dropped Through MSI Package

An analysis reveals the distribution of malware through an MSI package, specifically SectopRat and Redline stealer. The malware employs techniques like executing malicious scripts, disabling security measures, and establishing persistence through scheduled tasks. It communicates with command-and-co…

Published: August 14, 2024

Downloadable IOCs: 11

Brief Overview of the DeerStealer Distribution Campaign

A recent cybersecurity investigation uncovered a malware distribution campaign called DeerStealer. The malware was disseminated through counterfeit Google Authenticator websites, tricking visitors into downloading the malicious payload hosted on GitHub. Upon execution, the stealer collects system i…

Published: August 2, 2024

Downloadable IOCs: 28

Self-Proclaimed Meeting Software Vortax Spreads Infostealers, Unveils Expansive Network of Malicious macOS Applications

While monitoring data in Recorded Future Malware Intelligence, Insikt Group identified purported virtual meeting software called Vortax that, upon download and installation, delivers three information stealers (“infostealers”) in cross-platform attacks — Rhadamanthys, Stealc, and, most notably, Ato…

macos

c2

2024-06-20

Published: June 20, 2024

Downloadable IOCs: 60

Vidar Stealer: An In-depth Analysis of an Information-Stealing Malware

Vidar Stealer is a potent malware written in C++, capable of stealing a wide range of data from the compromised system. Vidar Stealer targets user’s personal data, web-browser data, cryptocurrency wallets, financial data, sensitive files within user directories, communication applications, process …

Published: June 4, 2024

Downloadable IOCs: 6

Tag: c2

Attack reports

ShadowV2 Casts a Shadow Over IoT Devices

A Closer Look at Outlook Macros and More

GhostSocks: From Initial Access to Residential Proxy

Learn about ChillyHell, a modular Mac backdoor

ZynorRAT technical analysis: Reverse engineering a novel, Turkish Go-based RAT

Paper Werewolf targets Russia with WinRAR zero-day vulnerability

Distribution of SmartLoader Malware via Github Repository Disguised as a Legitimate Project

CastleLoader Analysis

Malware Analysis Report: UMBRELLA STAND - Malware targeting Fortinet devices

Analysis of a Malicious WordPress Plugin: The Covert Redirector

Fileless AsyncRAT Distributed Via Clickfix Technique Targeting German Speaking Users

Beware of AI Pickpockets: Pickai Backdoor Spreading Through ComfyUI Vulnerability

Technical Analysis of TransferLoader

Thunderstruck! Malicious ads for RVTools lead to ThunderShell payload

The Shelby Strategy

Auto-Color: An Emerging and Evasive Linux Backdoor

Tracking Pyramid C2: Identifying Post-Exploitation Servers in Hunt

Unveiling the Past and Present of APT-K-47 Weapon: Asyncshell

The Evolution of a Cyber Threat: From JinxLoader to Astolfo Loader

Supply Chain Attack Using Ethereum Smart Contracts to Distribute Multi-Platform Malware

OSINT Investigation: Hunting Malicious Infrastructure Linked to Transparent Tribe

Multiple Malware Dropped Through MSI Package

Brief Overview of the DeerStealer Distribution Campaign

Self-Proclaimed Meeting Software Vortax Spreads Infostealers, Unveils Expansive Network of Malicious macOS Applications

Vidar Stealer: An In-depth Analysis of an Information-Stealing Malware