Tag: powershell
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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
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Fast 1 Million Geschäfts- und Privat-PCs kompromittiert
Tags: ciso, control, cyersecurity, github, mail, malware, microsoft, powershell, ransomware, softwareEin Bericht von Microsoft zeigt, wie wichtig es für CISOs ist, das Sicherheitsbewusstsein ihrer Mitarbeiter zu schulen.Malware ist und bleibt ein massives Problem, welches CISOs zunehmend Kopfzerbrechen bereitet. Insbesondere wenn Mitarbeitende durch unvorsichtiges Online-Surfen ihre Geräte und ganze IT-Netzwerke mit Schadsoftware infizieren. Sind Systeme kompromittiert, kann das schwerwiegende Konsequenzen wie Ransomware-Attacken nach sich ziehen. Zu…
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The most notorious and damaging ransomware of all time
Tags: access, android, attack, backdoor, backup, banking, botnet, breach, communications, computer, control, credentials, cryptography, cyber, cybercrime, dark-web, data, defense, detection, email, encryption, endpoint, exploit, extortion, finance, flaw, framework, germany, google, government, group, hacker, hacking, healthcare, infection, infrastructure, international, jobs, korea, law, lazarus, leak, linux, malicious, malware, microsoft, mobile, msp, network, north-korea, office, open-source, oracle, password, phishing, phone, powershell, ransom, ransomware, russia, service, software, spam, switch, technology, threat, tool, ukraine, update, usa, virus, vulnerability, windowsConti: History: First appearing in May 2020, the Conti RaaS platform is considered the successor to the Ryuk ransomware. As of January 2021, Conti is believed to have infected over 150 organizations and earned millions of dollars for its criminal developers and their affiliates. At least three new versions have been found since its inception.How it works: Conti uses the…
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Fake CAPTCHA Malware Exploits Windows Users to Run PowerShell Commands
In early February 2025, Trustwave SpiderLabs uncovered a resurgence of a malicious campaign leveraging fake CAPTCHA verifications to deliver malware. This campaign uses deceptive CAPTCHA prompts to trick users into executing PowerShell commands, initiating a multi-stage attack chain. The end goal is to deploy infostealer malware such as Lumma and Vidar, which exfiltrate sensitive data…
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North Korean Hackers Use ZIP Files to Deploy Malicious PowerShell Scripts
North Korean state-sponsored hackers, known as APT37 or ScarCruft, have been employing sophisticated tactics to breach systems, leveraging malicious ZIP files containing LNK files to initiate attacks. These LNK files, often disguised as documents related to North Korean affairs or trade agreements, are distributed via phishing emails. Once opened, they trigger a multi-stage attack involving…
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Decrypting the Forest From the Trees
Tags: api, computer, container, control, credentials, data, endpoint, least-privilege, microsoft, network, password, powershell, service, updateTL;DR: SCCM forest discovery accounts can be decrypted including accounts used for managing untrusted forests. If the site server is a managed client, service account credentials can be decrypted via the Administration Service API. Introduction While Duane Michael, Chris Thompson, and I were originally working on the Misconfiguration Manager project, one of the tasks I took…
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InvokeADCheck New Powershell Module for Active Directory Assessment
Orange Cyberdefense has announced the development of InvokeADCheck, a new PowerShell module designed to streamline Active Directory (AD) assessments. Created by Niels Hofland and colleague Justin, this tool aims to address the challenges faced by IT administrators and security professionals in efficiently evaluating AD environments. Streamlining AD Assessment Process InvokeADCheck offers a comprehensive solution for…
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New ClickFix attack deploys Havoc C2 via Microsoft Sharepoint
A newly uncovered ClickFix phishing campaign is tricking victims into executing malicious PowerShell commands that deploy the Havok post-exploitation framework for remote access to compromised devices. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/new-clickfix-attack-deploys-havoc-c2-via-microsoft-sharepoint/