Latest cybersecurity reporting from selected sources.

Cybersecurity agencies from 12 countries have warned that Russian state-backed hackers are actively targeting vulnerable routers using weak SNMP credentials

Cybersecurity agencies from the United States and eight other countries have issued a joint warning that Russian state hackers are targeting vulnerable and poorly configured routers to infiltrate critical infrastructure networks. [...]

Google on Tuesday revealed that multiple threat actors, including nation-state adversaries and financially motivated groups, are exploiting a now-patched critical security flaw in RARLAB WinRAR to establish initial access and deploy a diverse array of payloads

State-Sponsored Espionage Group Tied to Exploits of No-Longer-Supported Cisco GearRussian intelligence hackers are using obsolete and unpatched equipment made by networking mainstay Cisco Systems to further stealthy and ongoing cyberespionage operations, the U.S. federal government warned Wednesday. Hackers exploit a vulnerability in the Smart Install feature of Cisco devices.

The Federal Bureau of Investigation (FBI) has warned that hackers linked to Russia's Federal Security Service (FSB) are targeting critical infrastructure organizations in attacks exploiting a 7-year-old vulnerability in Cisco devices. [...]

Also: CISA Warns of Unpatched Train Brake VulnerabilityThis week: Louis Vuitton and Co-op confirm breaches, unpatched train brake flaw, Barclays fined £42M pounds for financial crime failures, secret U.K. program relocated thousands of Afghans, ex-soldier pleads guilty to hacking, Ukrainian hackers claim hit on Russian drone supplier.

Cyber Authorities Warn Pro-Russian Hacktivists Targeting Small-Scale OT SystemsU.S. and international cyber authorities issued a warning Wednesday that pro-Russian hacktivists are increasingly targeting small-scale operational technology systems throughout North America and Europe that have been left vulnerable to attacks due to internet-exposed industrial control systems.

Microsoft Warns APT28's GooseEgg Tool Enables Credential TheftRussian military intelligence hackers are using an 18 month-old vulnerability in the Windows print spooler utility to deploy a custom tool that elevates privileges and steals credentials. Microsoft says it's seen post-compromise activities against Ukrainian, European and North American governments.

​Microsoft warns that the Russian APT28 threat group exploits a Windows Print Spooler vulnerability to escalate privileges and steal credentials and data using a previously unknown hacking tool called GooseEgg. [...]

​Microsoft warns that the Russian APT28 threat group exploits a Windows Print Spooler vulnerability to escalate privileges and steal credentials and data using a previously unknown hacking tool called GooseEgg. [...]

TA422 Is Targeting Organizations in Europe and North America, Proofpoint SaysA Russian military hacking intelligence group is winning the race to exploit known vulnerabilities before system administrators can apply patches, warns Proofpoint. The firm has seen a spike in activity from TA422, also known as APT28, Fancy Bear and Forest Blizzard.

Microsoft on Friday shared guidance to help customers discover indicators of compromise (IoCs) associated with a recently patched Outlook vulnerability

Cybersecurity researchers did not disappoint, with reports linking RansomCartel to REvil, on OldGremlin hackers targeting Russia with ransomware, a new data exfiltration tool used by BlackByte, a warning that ransomware actors are exploiting VMware vulnerabilities, and finally, our own report on the Venus Ransomware. [...]

The Ukrainian Computer Emergency Response Team (CERT) is warning that Russian hacking groups are exploiting the Follina code execution vulnerability in new phishing campaigns to install the CredoMap malware and Cobalt Strike beacons. [...]

Ukraine's Computer Emergency Response Team (CERT) is warning that the Russian hacking group Sandworm may be exploiting Follina, a remote code execution vulnerability in Microsoft Windows Support Diagnostic Tool (MSDT) currently tracked as CVE-2022-30190. [...]

Multiple ASUS router models are vulnerable to the Russia-linked Cyclops Blink malware threat, causing the vendor to publish an advisory with mitigations for the security risk. [...]

Welcome to our weekly roundup, where we share what you need to know about cybersecurity news and events that happened over the past few days. Learn about the Samba vulnerability discovered by Trend Micro the White House’s warning of Russian hacks as tensions with Ukraine grow.