malware

Pierluigi Paganini February 04, 2022
Retail giant Target open sources Merry Maker e-skimmer detection tool

Retail giant Target is going to open-source an internal tool, dubbed Merry Maker, designed to detect e-skimming attacks. Retail giant Target announced the release in open-source of an internal tool, dubbed Merry Maker, designed to detect e-skimming attacks. Merry Maker is a tool designed by Target security developers Eric Brandel and Caleb Walch (@ebrandel and @cawalch) to […]

Pierluigi Paganini February 04, 2022
Zimbra zero-day vulnerability actively exploited by an alleged Chinese threat actor

An alleged Chinese threat actor is actively attempting to exploit a zero-day vulnerability in the Zimbra open-source email platform. An alleged Chinese threat actor, tracked as TEMP_Heretic, is actively attempting to exploit a zero-day XSS vulnerability in the Zimbra open-source email platform. The zero-day vulnerability impacts almost any Zimbra install running version 8.8.15. Researchers from […]

Pierluigi Paganini February 04, 2022
Microsoft blocked tens of billions of brute-force and phishing attacks in 2021

Office 365 and Azure Active Directory (Azure AD) customers were the targets of billions of brute-force and phishing attacks last year. Microsoft revealed that Office 365 and Azure Active Directory (Azure AD) customers were the targets of billions of phishing emails and brute force attacks last year. The IT giant added has blocked more than 25.6 billion Azure AD […]

Pierluigi Paganini February 03, 2022
Antlion APT group used a custom backdoor that allowed them to fly under the radar for months

A China-linked APT group tracked as Antlion used a custom backdoor called xPack that was undetected for months. A China-linked APT group tracked as Antlion is using a custom backdoor called xPack in attacks aimed at financial organizations and manufacturing companies, Symantec researchers reported. The backdoor was undetected for at least 18 months in a […]

Pierluigi Paganini February 02, 2022
Sugar Ransomware, a new RaaS in the threat landscape

Cyber security team at retail giant Walmart dissected a new ransomware family dubbed Sugar, which implements a ransomware-as-a-service model. The cyber threat team at retail giant Walmart has analyzed a new ransomware family dubbed Sugar, which is offered through a ransomware-as-a-service (RaaS) model. Unlike other ransomware operations, Sugar ransomware appears to primarily focus on individual […]

Pierluigi Paganini February 02, 2022
Experts warn of a spike in APT35 activity and a possible link to Memento ransomware op

The Cybereason Nocturnus Team reported a spike in the activity of the Iran-linked APT group APT35 (aka Phosphorus or Charming Kitten). The Cybereason Nocturnus Team observed a spike in the activity of the Iran-linked APT group APT35 (aka ‘Charming Kitten‘, ‘Phosphorus‘, Newscaster, and Ajax Security Team)  The Phosphorus group made the headlines in 2014 when experts at iSight issued a report describing the most elaborate net-based spying campaign organized […]

Pierluigi Paganini February 01, 2022
Iran-linked MuddyWater APT group campaign targets Turkish entities

The Iran-linked MuddyWater APT group is targeting private Turkish organizations and governmental institutions. Researchers from Cisco Talos have uncovered a cyber espionage campaign carried out by the Iran-linked MuddyWater APT group  (aka SeedWorm and TEMP.Zagros) and targeting private Turkish organizations and governmental institutions. The first MuddyWater campaign was observed in late 2017 when targeted entities in the Middle East. The experts called the […]

Pierluigi Paganini January 30, 2022
Security Affairs newsletter Round 351

A new round of the weekly Security Affairs newsletter arrived! Every week the best security articles from Security Affairs free for you in your email box. If you want to also receive for free the newsletter with the international press subscribe here. QNAP force-installs update against the recent wave of DeadBolt ransomware infections US FCC bans […]

Pierluigi Paganini January 29, 2022
QNAP force-installs update against the recent wave of DeadBolt ransomware infections

QNAP forces its customers to update the firmware of their Network Attached Storage (NAS) devices to protect against the DeadBolt ransomware. QNAP forced the firmware update for its Network Attached Storage (NAS) devices to protect its customers against the DeadBolt ransomware. DeadBolt ransomware is targeting QNAP NAS devices worldwide, its operators claim the availability of […]

Pierluigi Paganini January 27, 2022
North Korea-linked Lazarus APT used Windows Update client and GitHub in recent attacks

North Korea-linked Lazarus APT group uses Windows Update client to deliver malware on Windows systems. North Korea-linked Lazarus APT started using Windows Update to execute the malicious payload and GitHub as a command and control server in recent attacks, Malwarebytes researchers reported. The activity of the Lazarus APT group surged in 2014 and 2015, its members used […]