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FIN7, FIN8, and Others Use Ragnar Loader for Persistent Access and Ransomware Operations

Threat hunters have shed light on a “sophisticated and evolving malware toolkit” called Ragnar Loader that’s used by various cybercrime and ransomware groups like Ragnar Locker (aka Monstrous Mantis), FIN7, FIN8, and Ruthless Mantis (ex-REvil).
“Ragnar Loader plays a key role in keeping access to compromised systems, helping attackers stay in networks for long-term operations,” Swiss
by Chris H Chris H No Comments

China-Linked Silk Typhoon Expands Cyber Attacks to IT Supply Chains for Initial Access

The China-lined threat actor behind the zero-day exploitation of security flaws in Microsoft Exchange servers in January 2021 has shifted its tactics to target the information technology (IT) supply chain as a means to obtain initial access to corporate networks.
That’s according to new findings from the Microsoft Threat Intelligence team, which said the Silk Typhoon (formerly Hafnium) hacking
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Researchers Link CACTUS Ransomware Tactics to Former Black Basta Affiliates

Threat actors deploying the Black Basta and CACTUS ransomware families have been found to rely on the same BackConnect (BC) module for maintaining persistent control over infected hosts, a sign that affiliates previously associated with Black Basta may have transitioned to CACTUS.
“Once infiltrated, it grants attackers a wide range of remote control capabilities, allowing them to execute
by Chris H Chris H No Comments

Hackers Exploit AWS Misconfigurations to Launch Phishing Attacks via SES and WorkMail

Threat actors are targeting Amazon Web Services (AWS) environments to push out phishing campaigns to unsuspecting targets, according to findings from Palo Alto Networks Unit 42.
The cybersecurity company is tracking the activity cluster under the name TGR-UNK-0011 (short for a threat group with unknown motivation), which it said overlaps with a group known as JavaGhost. TGR-UNK-0011 is known to
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Amnesty Finds Cellebrite’s Zero-Day Used to Unlock Serbian Activist’s Android Phone

A 23-year-old Serbian youth activist had their Android phone targeted by a zero-day exploit developed by Cellebrite to unlock the device, according to a new report from Amnesty International.
“The Android phone of one student protester was exploited and unlocked by a sophisticated zero-day exploit chain targeting Android USB drivers, developed by Cellebrite,” the international non-governmental
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Silver Fox APT Uses Winos 4.0 Malware in Cyber Attacks Against Taiwanese Organizations

A new campaign is targeting companies in Taiwan with malware known as Winos 4.0 as part of phishing emails masquerading as the country’s National Taxation Bureau.
The campaign, detected last month by Fortinet FortiGuard Labs, marks a departure from previous attack chains that have leveraged malicious game-related applications.
“The sender claimed that the malicious file attached was a list of
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Hackers Exploit Signal’s Linked Devices Feature to Hijack Accounts via Malicious QR Codes

Multiple Russia-aligned threat actors have been observed targeting individuals of interest via the privacy-focused messaging app Signal to gain unauthorized access to their accounts.
“The most novel and widely used technique underpinning Russian-aligned attempts to compromise Signal accounts is the abuse of the app’s legitimate ‘linked devices’ feature that enables Signal to be used on multiple
by Chris H Chris H No Comments

Microsoft Uncovers Sandworm Subgroup’s Global Cyber Attacks Spanning 15+ Countries

A subgroup within the infamous Russian state-sponsored hacking group known as Sandworm has been attributed to a multi-year initial access operation dubbed BadPilot that stretched across the globe.
“This subgroup has conducted globally diverse compromises of Internet-facing infrastructure to enable Seashell Blizzard to persist on high-value targets and support tailored network operations,” the
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