eSecurity Planet

MARCH 25, 2022

As remote desktop solutions are prevalent among IT and managed service providers (MSP), downstream clients can be at risk, as Kaseya experienced in 2021. In November 2021, an unauthorized third party called a Robinhood customer support employee and, through social engineering , gained access to the company’s customer support systems.

VPN 111

VPN Software Authentication Encryption 111

SecureList

APRIL 27, 2021

This is our latest installment, focusing on activities that we observed during Q1 2021. In parallel, Volexity also reported the same Exchange zero-days being in use in early 2021. The attackers used vulnerabilities in an SSL-VPN product to deploy a multi-layered loader we dubbed Ecipekac (aka DESLoader, SigLoader and HEAVYHAND).

Malware 138

Malware Spyware Government Social Engineering 138

Kali Linux

NOVEMBER 27, 2022

In Secure Kali Pi (2022) , the first blog post in the Raspberry Pi series, we set up a Raspberry Pi 4 with full disk encryption. 4.2.2.2 # DNS servers to pass (not really required for our needs) opt lease 600 # 10 minute DHCP lease And we create our hook which copies in our DHCP config, /etc/initramfs-tools/hooks/udhcpd : #!

Firmware 52

Firmware Wireless Passwords VPN 52

eSecurity Planet

SEPTEMBER 29, 2021

Recent research by Positive Technologies looked at the cyber threat landscape during Q2 2021 and found that ransomware attacks reached “stratospheric” levels, accounting for 69% of all malware attacks, a huge jump from 39% in Q2 2020. Free VPN with up to 300 MB of traffic per day. DNS filtering. Dark web monitoring.

Ransomware 102

Ransomware VPN Backups Malware 102

SecureList

JUNE 15, 2022

Complex attacks almost invariably feature several phases, such as reconnaissance, initial access to the infrastructure, gaining access to target systems and/or privileges, and the actual malicious acts (data theft, destruction or encryption, etc.). Request for access to corporate VPN. Access type: VPN. Access type: VPN.

VPN 89

VPN Accountability Ransomware Encryption 89

McAfee

SEPTEMBER 14, 2021

The PlugX families we observed used DNS [ T1071.001 ] [ T1071.004 ] as the transport channel for C2 traffic, in particular TXT queries. Another clue that helped us was the use of DNS tunneling by Winnti which we discovered traces of in memory. The hardcoded 208.67.222.222 resolves to a legitimate OpenDNS DNS server. 180.50.*.*.

Malware 144

Malware DNS Accountability Manufacturing 144

Duo's Security Blog

JANUARY 28, 2022

This, in combination with network encryption, will lay a strong foundation against phishing and other common attack vectors. The memo emphasizes the importance of including cloud-based platforms, applications and systems in the agency zero trust strategy.

Authentication 52

Authentication Government DNS Encryption 52

Cisco Security

AUGUST 28, 2023

XDR (eXtended Detection and Response) Integrations At Black Hat USA 2023, Cisco Secure was the official Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider. SCA detected 289 alerts including Suspected Port Abuse, Internal Port Scanner, New Unusual DNS Resolver,and Protocol Violation (Geographic).

Wireless 68

Wireless DNS Mobile Technology 68

SecureList

OCTOBER 19, 2021

Downloaded modules are encrypted, and can be decrypted with the Python script below. It retrieves the DNS names of all the directory trees in the local computer’s forest. This module contains the encrypted embedded module RwDrv.sys. < The vpnDll32 module establishes a VPN connection. permaDll32. wormwinDll32.

Banking 136

Banking Passwords VPN Internet 136

SecureList

NOVEMBER 18, 2022

Number of new ransomware modifications, Q3 2021 — Q3 2022 ( download ). The attempts at exploiting network services and other software via vulnerabilities in the Log4j library ( CVE-2021-44228 , CVE-2021-44832 , CVE-2021-45046 , and CVE-2021-45105 ) also continued. Number of users attacked by ransomware Trojans.

Mobile 83

Mobile Malware Ransomware IoT 83