Tag: powershell
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Agent Tesla Malware Uses Multi-Stage Attacks with PowerShell Scripts
Researchers from Palo Alto Networks have uncovered a series of malicious spam campaigns leveraging the notorious Agent Tesla malware through intricate, multi-stage infection vectors. The attack begins innocuously enough with the receipt of a socially engineered email, often crafted to appear legitimate and relevant to the recipient. These emails carry an archive attachment, which typically…
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Unmasking Xworm Payload Execution Path through Jailbreaking a Malicious JScript Loader
Security researchers are analyzing a sophisticated malware delivery mechanism that uses a JScript loader to deploy different payloads based on the victim’s geographic location. This loader initiates a complex chain involving obfuscated PowerShell scripts, ultimately executing potent malware like the XWorm Remote Access Trojan (RAT) or the Rhadamanthys information stealer. The attack often begins via…
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Goffee Deploys PowerShell Implant to Target Russian Entities
Goffee Targets Russian Entities With USB-Based PowerShell Malware. A threat actor that focuses on Russian targets is spreading a new PowerShell implant that includes modules for stealing files from thumb drives and propagating itself through a USB worm. Its targets include critical infrastructure sectors such as energy, telecommunications and government. First seen on govinfosecurity.com Jump…
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Russian Shuckworm APT is back with updated GammaSteel malware
files.lnk, launched from an external drive. This was recorded under the UserAssist key in the Registry, which stores a record of files, links, applications, and objects accessed by the current user through Windows Explorer.After that file was executed, it launched mshta.exe, a Windows binary that can be used to execute VBScript and JScript locally on…
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Shuckworm Group Leverages GammaSteel Malware in Targeted PowerShell Attacks
The Russia-linked cyber-espionage group known as Shuckworm (also identified as Gamaredon or Armageddon) has been observed targeting a Western country’s military mission located within Ukraine, employing an updated, PowerShell-based version of its GammaSteel infostealer malware. This campaign, which began in late February 2025 and continued into March, signifies Shuckworm’s persistent focus on Ukrainian entities and…
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GOFFEE Deploys PowerModul in Coordinated Strikes on Government and Energy Networks
The threat actor known as GOFFEE has launched a series of targeted attacks against critical sectors within the Russian Federation, utilizing advanced malware and phishing techniques. The group’s latest campaign involves the deployment of PowerModul, a PowerShell-based implant, to escalate their intrusion capabilities and carry out coordinated strikes effectively. PowerModul and Initial Infection Vectors PowerModul…
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Warning to developers: Stay away from these 10 VSCode extensions
Prettier Code for VSCode (by prettier);Discord Rich Presence for VS Code (by Mark H);Rojo Roblox Studio Sync (by evaera);Solidity Compiler (by VSCode Developer);Claude AI (by Mark H)Golong Compiler (by Mark H);ChatGPT Agent for VSCode (by Mark H);HTML Obfuscator (by Mark H);Python Obfuscator for VSCode (by Mark H);Rust Compiler for VSCode (by Mark H).Although the extensions…
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An Operator’s Guide to Device-Joined Hosts and the PRT Cookie
Introduction About five years ago, Lee Chagolla-Christensen shared a blog detailing the research and development process behind his RequestAADRefreshToken proof-of-concept (POC). In short, on Entra ID joined (including hybrid joined) hosts, it’s possible to obtain a primary refresh token (PRT) cookie from the logged in user’s logon session, enabling an attacker to satisfy single-sign-on (SSO)…
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UAC-0219 Hackers Leverage WRECKSTEEL PowerShell Stealer to Extract Data from Computers
Tags: attack, computer, cyber, cyberattack, data, government, group, hacker, malware, powershell, tool, ukraineIn a concerning development, CERT-UA, Ukraine’s Computer Emergency Response Team, has reported a series of cyberattacks attributed to the hacker group identified as UAC-0219. These attacks, which have been ongoing since the fall of 2024, utilize an advanced PowerShell-based malware tool named WRECKSTEEL to infiltrate computers and extract sensitive data. The primary targets include government…
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Hackers Exploit Microsoft Teams Messages to Deliver Malware
Tags: attack, corporate, credentials, cyber, cybersecurity, defense, exploit, hacker, malicious, malware, microsoft, powershell, tactics, vulnerabilityCybersecurity experts have uncovered a new malware campaign targeting Microsoft Teams users to infiltrate corporate systems. By exploiting the platform’s communication vulnerabilities and leveraging malicious PowerShell scripts, attackers bypassed traditional defenses, delivering malware capable of stealing credentials and establishing persistent backdoors. The attack demonstrates an alarming evolution in malware delivery tactics through trusted collaboration platforms.…
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KoiLoader Exploits PowerShell Scripts to Drop Malicious Payloads
Cybersecurity experts at eSentire’s Threat Response Unit (TRU) uncovered a sophisticated malware campaign leveraging KoiLoader, a malicious loader designed to deploy information-stealing payloads. This campaign utilized PowerShell scripts and obfuscation techniques to bypass security measures and infect systems. The investigation revealed a multi-stage infection chain, highlighting the evolving tactics of cybercriminals. Infection Chain and Delivery…
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We Smell a (DC)Rat: Revealing a Sophisticated Malware Delivery Chain
A RAR file, a fake summons, and a Nietzsche quote”, all part of a multi-stage malware chain delivering DCRat & Rhadamanthys. Acronis TRU breaks down how attackers use VBS, batch, and PowerShell scripts to slip past defenses. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/we-smell-a-dcrat-revealing-a-sophisticated-malware-delivery-chain/
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Konni RAT Exploit Windows Explorer Limitations To Launches a Multi-Stage Attack Steal Data
Konni RAT, a highly advanced Remote Access Trojan (RAT), has emerged as a significant cybersecurity threat, leveraging Windows Explorer limitations to execute multi-stage attacks. This malware employs a combination of batch files, PowerShell scripts, and VBScript to infiltrate systems, exfiltrate sensitive data, and maintain persistence. Its ability to evade detection through obfuscation and stealth makes…
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Russia-linked Gamaredon targets Ukraine with Remcos RAT
Tags: apt, attack, cyberespionage, group, phishing, powershell, rat, russia, spear-phishing, ukraineRussia-linked Gamaredon targets Ukraine with a phishing campaign using troop-related lures to deploy the Remcos RAT via PowerShell downloader. Talos researchers warn that Russia-linked APT group Gamaredon (a.k.a. Armageddon, Primitive Bear, ACTINIUM, Callisto) targets Ukraine with a phishing campaign. The cyberespionage group is behind a long series of spear-phishing attacks targeting Ukrainian entities, and organizations related…
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Russia-Linked Gamaredon Uses Troop-Related Lures to Deploy Remcos RAT in Ukraine
Entities in Ukraine have been targeted as part of a phishing campaign designed to distribute a remote access trojan called Remcos RAT.”The file names use Russian words related to the movement of troops in Ukraine as a lure,” Cisco Talos researcher Guilherme Venere said in a report published last week. “The PowerShell downloader contacts geo-fenced…
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Gamaredon campaign abuses LNK files to distribute Remcos backdoor
Cisco Talos is actively tracking an ongoing campaign, targeting users in Ukraine with malicious LNK files which run a PowerShell downloader since at least November 2024. First seen on blog.talosintelligence.com Jump to article: blog.talosintelligence.com/gamaredon-campaign-distribute-remcos/
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Do You Own Your Permissions, or Do Your Permissions Own You?
Tags: attack, computer, credentials, data, data-breach, exploit, microsoft, powershell, update, vulnerabilitytl;dr: Less FPs for Owns/WriteOwner and new Owns/WriteOwnerLimitedRights edges Before we get started, if you’d prefer to listen to a 10-minute presentation instead of or to supplement reading this post, please check out the recording of our most recent BloodHound Release Recap webinar. You can also sign up for future webinars here. Back in August, a…
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Getting the Most Value Out of the OSCP: The PEN-200 Labs
Tags: access, ai, attack, compliance, container, cyber, cybersecurity, dns, docker, exploit, firewall, guide, hacking, Hardware, infrastructure, intelligence, jobs, kubernetes, microsoft, mitigation, network, open-source, oracle, penetration-testing, powershell, risk, security-incident, service, siem, skills, technology, tool, training, vmware, vulnerability, windowsHow to leverage the PEN-200 simulated black-box penetration testing scenarios for maximal self-improvement and career success. Disclaimer: All opinions expressed in this article are solely my own. I have reviewed the content to ensure compliance with OffSec’s copyright policies and agreements. I have not been sponsored or incentivized in any way to recommend or oppose any…
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Attackers Leverage Weaponized CAPTCHAs to Execute PowerShell and Deploy Malware
In a recent surge of sophisticated cyberattacks, threat actors have been utilizing fake CAPTCHA challenges to trick users into executing malicious PowerShell commands, leading to malware infections. This tactic, highlighted in the HP Wolf Security Threat Insights Report for March 2025, involves directing potential victims to malicious websites where they are prompted to complete verification…
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Attackers Use Fake CAPTCHAs to Deploy Lumma Stealer RAT
Attackers are exploiting user familiarity with CAPTCHAs to distribute the Lumma Stealer RAT via malicious PowerShell commands, according to HP First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/attackers-fake-captchas-lumma/
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DOGE’s cost-cutting database dives offer cybersecurity pros vital lessons in cloud security
Tags: access, cloud, control, cybersecurity, data, exploit, powershell, service, tool, vulnerability, zero-trustCritical logging and access control procedures need to be followed: Exploiting this vulnerability allows an attacker to run arbitrary code in the context of the Hyper-V host, giving them potentially unrestricted access to the underlying hardware. As noted, the impact of this vulnerability could be significant. Once an attacker gains unrestricted access to the Hyper-V…
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New ClearFake Variant Uses Fake reCAPTCHA to Deploy Malicious PowerShell Code
A recent variant of the ClearFake malware framework has been identified, leveraging fake reCAPTCHA and Cloudflare Turnstile verifications to deceive users into executing malicious PowerShell code. This evolution marks a significant shift in how ClearFake exploits Web3 capabilities to deliver malware through compromised websites. Technical Analysis of the New Variant ClearFake, first detected in July…
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PowerShell Gallery Prone to Typosquatting, Other Supply Chain Attacks
Microsoft is aware of the issue, but so far its attempts to address it don’t appear to have worked, researchers say. First seen on darkreading.com Jump to article: www.darkreading.com/application-security/powershell-gallery-prone-to-typosquatting-other-supply-chain-attacks
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Invisible C2″Š”, “Šthanks to AI-powered techniques
Tags: ai, api, attack, breach, business, chatgpt, cloud, communications, control, cyberattack, cybersecurity, data, defense, detection, dns, edr, email, encryption, endpoint, hacker, iot, LLM, malicious, malware, ml, monitoring, network, office, openai, powershell, service, siem, soc, strategy, threat, tool, update, vulnerability, zero-trustInvisible C2″Š”, “Šthanks to AI-powered techniques Just about every cyberattack needs a Command and Control (C2) channel”Š”, “Ša way for attackers to send instructions to compromised systems and receive stolen data. This gives us all a chance to see attacks that are putting us at risk. LLMs can help attackers avoid signature based detection Traditionally, C2…
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Symantec Uses OpenAI Operator to Show Rising Threat of AI Agents
Symantec threat researchers used OpenAI’s Operator agent to carry out a phishing attack with little human intervention, illustrating the looming cybersecurity threat AI agents pose as they become more powerful. The agent learned how to write a malicious PowerShell script and wrote an email with the phishing lure, among other actions. First seen on securityboulevard.com…
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OBSCURE#BAT Malware Highlights Risks of API Hooking
Researchers discovered an attack chain that uses several layers of obfuscated batch files and PowerShell scripts to deliver an advanced and persistent rootkit. First seen on darkreading.com Jump to article: www.darkreading.com/vulnerabilities-threats/obscurebat-malware-highlights-api-hooking