Fake CAPTCHA Attacks Deploy Infostealers and RATs in a Multistage Payload Chain

We have detected a new tactic involving fake CAPTCHA pages that trick users into executing harmful commands in Windows. This scheme uses disguised files sent via phishing and other malicious methods...

Hackers Exploit Severe PHP Flaw to Deploy Quasar RAT and XMRig Miners

Threat actors are exploiting a severe security flaw in PHP to deliver cryptocurrency miners and remote access trojans RATs like Quasar RAT. The vulnerability, assigned the CVE identifier CVE-2024-4577, refers to an argument injection vulnerability in PHP affecting Windows-based systems running in...

Undercover miner: how YouTubers get pressed into distributing SilentCryptoMiner as a restriction bypass tool

In recent months, we've seen an increase in the use of Windows Packet Divert drivers to intercept and modify network traffic in Windows systems. This technology is used in various utilities, including ones for bypassing blocks and restrictions of access to resources worldwide. Over the past six...

Hackers Exploiting Critical Fortinet EMS Vulnerability to Deploy Remote Access Tools

A now-patched critical security flaw impacting Fortinet FortiClient EMS is being exploited by malicious actors as part of a cyber campaign that installed remote desktop software such as AnyDesk and ScreenConnect. The vulnerability in question is CVE-2023-48788 CVSS score: 9.3, an SQL injection bu...

Lazarus group evolves its infection chain with old and new malware

Over the past few years, the Lazarus group has been distributing its malicious software by exploiting fake job opportunities targeting employees in various industries, including defense, aerospace, cryptocurrency, and other global sectors. This attack campaign is called the DeathNote campaign and...

A Bag of RATs: VenomRAT vs. AsyncRAT

Introduction Remote access tools RATs have long been a favorite tool for cyber attackers, since they enable remote control over compromised systems and facilitate data theft, espionage, and continuous monitoring of victims. Among the well-known RATs are VenomRAT and AsyncRAT. These are open-sourc...

New UULoader Malware Distributes Gh0st RAT and Mimikatz in East Asia

A new type of malware called UULoader is being used by threat actors to deliver next-stage payloads like Gh0st RAT and Mimikatz. The Cyberint Research Team, which discovered the malware, said it's distributed in the form of malicious installers for legitimate applications targeting Korean and...

Adversaries are leveraging remote access tools now more than ever — here’s how to stop them

Remote system management/desktop access tools such as AnyDesk and TeamViewer have grown in popularity since 2020. While there are many legitimate uses for this software, adversaries are also finding ways to use them for command and control in their campaigns. There is no easy way to effectively...

Stopping a targeted attack on a Managed Service Provider (MSP) with ThreatDown MDR

In late January 2024, the ThreatDown Managed Detection and Response MDR team found and stopped a three-month long malware campaign against a Managed Service Provider MSP based in Europe. In line with our observations of attackers increasingly relying on legitimate software in their attacks, the...

Experts Uncover Year-Long Cyber Attack on IT Firm Utilizing Custom Malware RDStealer

A highly targeted cyber attack against an East Asian IT company involved the deployment of a custom malware written in Golang called RDStealer. "The operation was active for more than a year with the end goal of compromising credentials and data exfiltration," Bitdefender security researcher Vict...

RTM Locker: Emerging Cybercrime Group Targeting Businesses with Ransomware

Cybersecurity researchers have detailed the tactics of a "rising" cybercriminal gang called "Read The Manual" RTM Locker that functions as a private ransomware-as-a-service RaaS provider and carries out opportunistic attacks to generate illicit profit. "The 'Read The Manual' Locker gang uses...

RTM Locker: Emerging Cybercrime Group Targeting Businesses with Ransomware

Cybersecurity researchers have detailed the tactics of a "rising" cybercriminal gang called "Read The Manual" RTM Locker that functions as a private ransomware-as-a-service RaaS provider and carries out opportunistic attacks to generate illicit profit. "The 'Read The Manual' Locker gang uses...

Telecom and BPO Companies Under Attack by SIM Swapping Hackers

A persistent intrusion campaign has set its eyes on telecommunications and business process outsourcing BPO companies at lease since June 2022. "The end objective of this campaign appears to be to gain access to mobile carrier networks and, as evidenced in two investigations, perform SIM swapping...

Cisco Talos shares insights related to recent cyber attack on Cisco

Update History Date | Description of Updates ---|--- Aug. 10th 2022| Adding clarifying details on activity involving active directory. Aug. 10th 2022| Update made to the Cisco Response and Recommendations section related to MFA. Executive summary On May 24, 2022, Cisco became aware of a potential...

Bad Actors Are Maximizing Remote Everything

The rise of remote work and learning opened new opportunities for many people – as we’ve seen by the number of people who have moved to new places or adapted to “workcations.” Cybercriminals are taking advantage of the same opportunities – just in a different way. Evaluating the prevalence of...

Beware scammers disguised as fraud busters

Fraudsters like confusing and disorienting people. Successful ones avoid obvious lines of approach and try things you wouldnt expect. A recent story highlights this, with a particularly devious method of parting someone from their money. The Daily Record reports scammers running off with an $11,0...

Uncovering and Defending Systems Against Attacks With Layers of Remote Control

The Trend Micro™ Managed XDR team addressed a stealthy multilayered attack that progressed from an exploited endpoint vulnerability to the use of legitimate remote access tools including Remote Desktop Protocol RDP as its final means of intrusion...

Experts Detail Logging Tool of DanderSpritz Framework Used by Equation Group Hackers

Cybersecurity researchers have offered a detailed glimpse into a system called DoubleFeature that's dedicated to logging the different stages of post-exploitation stemming from the deployment of DanderSpritz, a full-featured malware framework used by the Equation Group. DanderSpritz came to light...

Remote access tools abused to spread malware and steal cryptocurrency

By Waqas The new campaign also involves replacing cryptocurrency addresses shared via clipboard and setting up fake cryptocurrency websites. This is a post from HackRead.com Read the original post: Remote access tools abused to spread malware and steal cryptocurrency...

Campaign Abusing Legitimate Remote Administrator Tools Uses Fake Cryptocurrency Websites

We have been tracking a campaign involving the SpyAgent malware that abuses well-known remote access tools RATs for some time now. While previous versions of the malware have been covered by other researchers, our blog entry focuses on the malicious actor’s latest attacks...