Security Affairs

MARCH 20, 2020

It presents new data on the group’s credential phishing, direct probing of webmail and Microsoft Exchange Autodiscover servers, and large-scale scanning activities to search for vulnerable servers.” “This report aims to shed light on some of Pawn Storm’s attacks that did not use malware in the initial stages.

Phishing 145

Phishing Accountability Advertising DNS 145

Cisco Security

JULY 28, 2021

The return back to the office also presents its own problems – 67% of IT leaders expect an increase in phishing emails due to the transition and 54% are worried about their employees bringing infected devices into the workplace. Verify user identity and device trust with Cisco Secure Access by Duo and AnyConnect VPN.

Cybersecurity 145

Cybersecurity DNS VPN Phishing 145

Troy Hunt

JANUARY 10, 2018

To be crystal clear, none of this is "hacking", it will merely involve looking at how the system responds to legitimate requests and observing the gap between what it does at present and what it ideally should do. They also blacklist vpn IP addresses. Geo-Blocking is (Almost) Useless. and it's accessible all over the world.

Hacking 280

Hacking Government Encryption InfoSec 280

eSecurity Planet

MARCH 25, 2022

Recent years presented a torrent of research showing how vulnerable RDP systems are for organizations not taking additional cybersecurity precautions. For the generation of remote work and operations, Check Point Remote Access VPN offers central management and policy administration for controlling access to corporate networks.

VPN 121

VPN Software Authentication Encryption 121

SecureList

DECEMBER 19, 2024

The targeted company employs this technology to allow employees to download specific policies to their corporate devices, granting them secure access to the Fortinet VPN. sql_trace.log or similar logs: If this file is present, it may contain detailed information about SQL queries that have been run.

Internet 106

Internet Internet Accountability Passwords 106

Security Affairs

AUGUST 4, 2022

The researchers pointed out that the compromise of a network appliance such as the Vigor 3910 can lead to the following outcomes: Leak of the sensitive data stored on the router (keys, administrative passwords, etc.)

Hacking 100

Hacking Internet Internet Manufacturing 100

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

eSecurity Planet

MAY 2, 2024

50,000 DDoS attacks on public domain name service (DNS) resolvers. 553% increase in DNS Flood attacks from 1H 2020 to 2H 2023. DDoS attacks on single networks or websites render them unavailable, but DDoS attacks on DNS resolvers bring down all networks and websites using that DNS resource.

Cybersecurity 122

Cybersecurity DDOS Penetration Testing Ransomware 122

SecureList

SEPTEMBER 21, 2023

DNS changer Malicious actors may use IoT devices to target users who connect to them. A 2022 campaign known as Roaming Mantis, or Shaoye, spread an Android app whose capabilities included modifying DNS settings on Wi-Fi routers through the administration interface. The practice has not become widespread due to relative inefficiency.

IoT 136

IoT DDOS Passwords Malware 136

Malwarebytes

MAY 12, 2021

Using a VPN can prevent attacks where an adversary is trying to exfiltrate data. The impact of attacks can also be reduced by manually configuring your DNS server so that it cannot be poisoned. You can also find some FAQs and a pre-recorded presentation made for USENIX Security about these vulnerabilities. Stay safe, everyone!

Encryption 113

Encryption Firewall Authentication DNS 113

Cisco Security

AUGUST 28, 2023

We appreciate Iain Thompson of The Register , for taking time to attend a NOC presentation and tour the operations. 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.

Wireless 98

Wireless DNS Mobile Technology 98

SecureList

JUNE 2, 2022

On January 27, we delivered a joint presentation with TeamT5 and ITOCHU Corporation at Japan Security Analyst Conference (JSAC) to provide an update on the actor’s latest activities. Full control over the DNS, meaning they can provide responses for non-existent domains.

Malware 137

Malware Encryption Social Engineering Telecommunications 137

Pen Test Partners

MAY 26, 2025

The attackers presented proof pack material including screenshots and internal emails. We traced the entry to an outdated Ivanti VPN, correlated DNS to malware domains (like iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com), and observed 7zip activity linked to data staging. When we were brought in, key VPN logs were missing.

Banking 64

Banking VPN Ransomware Scams 64

Fox IT

JANUARY 12, 2021

After obtaining a valid account, they use this account to access the victim’s VPN, Citrix or another remote service that allows access to the network of the victim. This specific document described how to access the internet facing company portal and the web-based VPN client into the company network. Command and control (TA0011).

Accountability 68

Accountability VPN Passwords DNS 68

SecureList

JUNE 3, 2024

In late December, in a presentation at the 37th Chaos Communication Congress (37C3), experts from our Global Research and Analysis Team (GReAT) described the attack chain in detail , including – for the first time – how the attackers exploited the CVE-2023-38606 hardware vulnerability.

Banking 116

Banking Malware Computers and Electronics Mobile 116

eSecurity Planet

JUNE 8, 2023

We will present these options in two categories: a priority tier and an advanced capability tier. It can be time consuming to establish these protocols on an organization’s DNS servers, but doing so will provide two key benefits.

Firewall 80

Firewall DNS Authentication Malware 80

SecureList

APRIL 27, 2021

The attackers used vulnerabilities in an SSL-VPN product to deploy a multi-layered loader we dubbed Ecipekac (aka DESLoader, SigLoader and HEAVYHAND). Finally, we present similarities with known TTPs of the MuddyWater group and attribute this campaign to them with medium confidence.

Malware 145

Malware Government Spyware Social Engineering 145

SecureList

JULY 9, 2024

Whereas before 2015 teams asked themselves what it was that they were supposed to detect, as MITRE ATT&CK evolved, SOCs were presented with practically unlimited space for ideas on creating detection scenarios. The graph below presents the up-to-date top 10 data components for MITRE ATT&CK matrix version 15.1,

Engineering 116

Engineering DNS Technology Accountability 116

McAfee

AUGUST 23, 2020

Remote users and branch offices were logically connected to this central network via technologies like VPN, MPLS, and leased lines, so the secure network perimeter could be maintained. While this approach sufficed for years, digital transformation has created major challenges. However, there are major drawbacks to this model.

Architecture 85

Architecture Digital transformation Internet Internet 85

CyberSecurity Insiders

APRIL 6, 2023

GoDaddy, Network Solutions) DNS service (E.g., That might mean time-bounding their logical access, and it does mean escorting them while they are present. If your staff has access to customer premises where PCI-sensitive data is present, (either physically or logically) they must conduct themselves in like manner.

Accountability 57

Accountability DNS DDOS Architecture 57

Troy Hunt

SEPTEMBER 17, 2020

I also started giving more thought to privacy and how it's constantly eroded in little bites, a thought process that highlighted just how far we still have to go as an industry, and where the value proposition of a VPN was strongest. Here's the value proposition of a VPN in the modern era: 1. So what about DNS over HTTPS, or DoH ?

VPN 363

VPN Phishing DNS Encryption 363

eSecurity Planet

MARCH 14, 2023

Other hackers might use a spoofed domain name system (DNS) or IP addresses to redirect users from legitimate connections (to websites, servers, etc.) DNS security (IP address redirection, etc.), Bad devices can also include attacks that attempt to steal or redirect network traffic to connect to malicious resources.

Network Security 98

Network Security Firewall Penetration Testing Encryption 98

Kali Linux

NOVEMBER 27, 2022

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 : #! VPN Tunnel Before we go over connecting to a VPN, it is important to note that the information will be stored in the initramfs file, unencrypted.

Firmware 52

Firmware Wireless Passwords VPN 52

eSecurity Planet

MARCH 16, 2023

DNS attacks : DNS cache poisoning, or hijacking, redirects a legitimate site’s DNS address and takes users to a malicious site when they attempt to navigate to that webpage. VPN Vulnerabilities Although VPNs create a private tunnel for organizations’ network communications, they can still be breached.

Network Security 110

Network Security Firewall Internet Internet 110

McAfee

DECEMBER 1, 2021

CVE-2021-20322: Of all the words of mice and men, the saddest are, “it was DNS again.” PAN GlobalProtect VPN: CVE-2021-3064 . Palo Alto Networks (PAN) firewalls that use its GlobalProtect Portal VPN running PAN-OS versions older than 8.1.17 Your Cybersecurity Comic Relief . Why am I here? . What is it? .

DNS 90

DNS Firewall VPN Internet 90

SecureList

OCTOBER 26, 2021

In June, more than six months after DarkHalo had gone dark, we observed the DNS hijacking of multiple government zones of a CIS member state that allowed the attacker to redirect traffic from government mail servers to computers under their control – probably achieved by obtaining credentials to the control panel of the victims’ registrar.

Malware 145

Malware Government Surveillance Spyware 145