Malwarebytes

AUGUST 13, 2021

When you use a VPN, you create an impenetrable, encrypted tunnel between your computer and your VPN provider, and then join the Internet from one of your VPN provider’s computers. The encrypted tunnel between you and your VPN provider stops your ISP, rogue Wi-Fi hotspots or other interlopers snooping on your traffic.

VPN 129

VPN DNS Internet Internet 129

Security Boulevard

APRIL 8, 2025

Encryption Technologies: Encryption protects data confidentiality and integrity, but attackers also use it to conceal malware, establish encrypted communication channels, and secure stolen data. Social Engineering Tactics: These tactics exploit human psychology to manipulate individuals.

Cybersecurity 52

Cybersecurity Penetration Testing DNS Encryption 52

SecureList

DECEMBER 18, 2020

In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. These requests contain information about the infected computer; if the attackers deem it interesting enough, the DNS response includes a CNAME record pointing to a second level C&C server. avsvmcloud[.]com” avsvmcloud[.]com”

DNS 76

DNS Telecommunications Malware Encryption 76

Krebs on Security

NOVEMBER 11, 2019

For instance, included in the Pastebin files from Orvis were plaintext usernames and passwords for just about every kind of online service or security product the company has used, including: -Antivirus engines. DNS controls. Encryption certificates. Data backup services. Multiple firewall products. Linux servers. Cisco routers.

Retail 240

Retail Passwords Wireless Backups 240

Krebs on Security

APRIL 4, 2024

Launched in 2008, privnote.com employs technology that encrypts each message so that even Privnote itself cannot read its contents. These malicious note sites attract visitors by gaming search engine results to make the phishing domains appear prominently in search results for “privnote.” The real Privnote, at privnote.com.

Phishing 293

Phishing Cryptocurrency DDOS Internet 293

eSecurity Planet

MAY 24, 2023

At a high level, DKIM enables an organization to provide encryption hash values for key parts of an email. Using public-private encryption key pairs, receiving email servers can compare the received email hash value against the received hash value to validate if any alterations took place in transit.

Technology 102

Technology DNS Encryption Authentication 102

Fox IT

AUGUST 11, 2022

This Saitama implant uses DNS as its sole Command and Control channel and utilizes long sleep times and (sub)domain randomization to evade detection. As no server-side implementation was available for this implant, our detection engineers had very little to go on to verify whether their detection would trigger on such a communication channel.

DNS 66

DNS Engineering Malware Encryption 66

Hacker Combat

JULY 5, 2021

Further, it also matches the two variants in how the malware executes file encryption and secures command-line disputes. ” Still, unlike FiveHands and HelloKitty, the new ransomware variant relies on a Go-based packer that encrypts its C++ malicious software payload. This malicious software also utilizes Golang to steal data.

Ransomware 133

Ransomware DNS Software Encryption 133

Security Affairs

APRIL 23, 2019

Security expert Marco Ramilli published the findings of a quick analysis of the webmask project standing behind the DNS attacks implemented by APT34 (aka OilRig and HelixKitten ). According to Duo, “ OilRig delivered Trojans that use DNS tunneling for command and control in attacks since at least May 2016. Leaked Source code.

DNS 108

DNS Computers and Electronics Penetration Testing Government 108

Cisco Security

NOVEMBER 3, 2022

Cisco provided automated malware analysis, threat intelligence, DNS visibility and Intrusion Detection; brought together with SecureX. The findings report addresses several security topics, including: Encrypted vs. Unencrypted network traffic. Domain Name Server (DNS). Firepower Encrypted Visibility Engine (EVE).

Wireless 98

Wireless DNS Education Encryption 98

Krebs on Security

JULY 3, 2023

However, searching passive DNS records at DomainTools.com for thedomainsvault[.]com com , which says it belongs to a Las Vegas-based Search Engine Optimization (SEO) and digital marketing concern generically named both United Business Service and United Business Services. 68.35.149.206).

Scams 297

Scams Business Services Accountability Marketing 297

Security Affairs

FEBRUARY 5, 2021

The malicious code also leverages other techniques to avoid detection, for example it modifies the system DNS resolvers and uses Google’s public DNS servers to bypass DNS monitoring tools. It also hides malicious processes using library injection and encrypts the malicious payload. ” concludes the report.

Malware 121

Malware DNS Cryptocurrency Internet 121

eSecurity Planet

SEPTEMBER 2, 2021

These malicious encryption attacks that take your data hostage are the most financially harmful attacks for companies. It’s not uncommon for most data to remain encrypted or corrupted. DMARC is based on email authentication, and much of the responsibility rests with senders and their DNS text resource records. DMARC Policy.

Ransomware 128

Ransomware DNS Small Business Authentication 128

Security Affairs

FEBRUARY 9, 2021

Another interesting issue addressed by Microsoft with Microsoft February 2021 Patch Tuesday security updates is a Windows DNS Server Remote Code Execution vulnerability tracked as CVE-2021-24078. “This patch fixes a bug in the Windows DNS Server that could allow remote code execution on affected systems.

DNS 100

DNS IoT Backups Mobile 100

Security Affairs

MARCH 22, 2020

. “On March 16th I have found an unprotected and thus publicly available Elasticsearch instance which appeared to be managed by a UK-based security company, according to the SSL certificate and reverse DNS records.” ” wrote Security Discovery’s researcher Bob Diachenko. Adobe, Last. ” concludes the expert.

Data breaches 111

Data breaches DNS Advertising Engineering 111

SecureList

SEPTEMBER 29, 2021

DNS hijacking. Later this year, in June, our internal systems found traces of a successful DNS hijacking affecting several government zones of a CIS member state. During these time frames, the authoritative DNS servers for the zones above were switched to attacker-controlled resolvers. December 28, 2020 to January 13, 2021.

DNS 142

DNS Malware Encryption Engineering 142

Malwarebytes

SEPTEMBER 14, 2022

DNS filtering. The next technology you need to prevent cyberattacks is a DNS filter. But first, a little bit about what DNS (domain name system) is. Every time a customer types in your web address, their computer makes a request to a DNS server. The DNS server, in turn, tells the computer where to go. says Zamani.

Technology 95

Technology DNS Cyber Insurance Insurance 95

Malwarebytes

JANUARY 22, 2024

The group uses social engineering techniques to persuade their targets to open documents or download malware. These lure documents, which are harmless PDF files, are sent to the target, but when they open them the content appears to be encrypted. These targets are approached in spear phishing attacks.

Social Engineering 126

Social Engineering Government Media DNS 126

Security Affairs

JULY 14, 2021

We have observed malicious binaries use openssl with base64, Advanced Encryption Standard (AES), CBC (Cipher Block Chaining) to thwart security scanners in the format as shown below: openssl enc -aes-256-cbc -d -A -base64 -pass pass:<> Curl. Bash scripts invoking encrypted Zip file. Bash scripts decoding an encrypted blob.

Adware 134

Adware Encryption Malware Passwords 134

Security Affairs

MARCH 22, 2020

. “On March 16th I have found an unprotected and thus publicly available Elasticsearch instance which appeared to be managed by a UK-based security company, according to the SSL certificate and reverse DNS records.” ” wrote Security Discovery’s researcher Bob Diachenko. Adobe, Last. ” concludes the expert.

Data breaches 93

Data breaches DNS Advertising Engineering 93

Daniel Miessler

SEPTEMBER 27, 2020

VPNs encrypt the traffic between you and some endpoint on the internet, which is where your VPN is based. If your VPN includes all DNS requests and traffic then you could be hiding significantly from your ISP. You will eventually be hacked via phishing, social engineering, poisoning a site you already frequent, or some other technique.

VPN 326

VPN Risk Hacking Encryption 326

Cisco Security

DECEMBER 14, 2022

release delivers more features to the three key outcomes: see and detect more threats faster in an increasingly encrypted environment, simplify operations, and lower the TCO of our security solution. Further enhancements to Cisco’s Encrypted Visibility Engine (EVE), first launched a year ago in 7.1, See More – Detect Faster.

Firewall 145

Firewall VPN Encryption DNS 145

Security Affairs

DECEMBER 14, 2024

The malware remained undetected by VirusTotal antivirus engines as of December 2024. It employs DNS over HTTPS (DoH) to evade network monitoring tools and encrypts configurations with AES-256-CBC. The Iranian group claims to have compromised 200 gas stations in Israel and the U.S.

IoT 107

IoT Malware DNS Antivirus 107

SecureWorld News

MARCH 29, 2024

At its core, this tactic revolves around gaming the trust users put in reputable internet services, including search engines, and the familiarity they have with online advertising per se. This interference is a major catalyst for double extortion that involves both a breach and data encryption.

Cybercrime 108

Cybercrime Advertising Engineering Antivirus 108

Malwarebytes

OCTOBER 16, 2022

At least one Google engineer claims that this isn’t a major concern, is intended functionality, and will continue as is for the time being. As per Bleeping Computer , this leakage can include DNS lookups, HTTPs traffic, IP addresses and (perhaps) NTP traffic (Network Time Protocol, a protocol for synchronising net-connected clocks).

VPN 98

VPN DNS Encryption Engineering 98

Troy Hunt

NOVEMBER 25, 2020

They supplied the people working on the integration with the products, access to pre-release firmware and a dedicated QA group to talk to the CEO + engineers. For some reason, the Shelly on my garage door is making a DNS request for api.shelly.cloud once every second! The vulnerability is the result of weak encryption used by TP-Link.

IoT 363

IoT Firmware Risk Encryption 363

Google Security

MAY 25, 2023

At Cloudflare, we believe encryption should be free for all; we pioneered that for all our customers back in 2014 when we included encryption for free in all our products. Their technical expertise guarantees they'll be able to scale to meet the needs of an increasingly encrypted Internet," says Matthew Prince, CEO, Cloudflare.

Encryption 95

Encryption Internet Internet DNS 95

Fox IT

SEPTEMBER 25, 2024

Take for example the recently uncovered XZ 1 backdoor that was spotted by a software engineer due to an increase in login time from 0.2 This may be achieved by changing the code, or by encrypting the code and decrypting it at runtime. compression or encryption).

Malware 138

Malware Engineering Encryption Antivirus 138

eSecurity Planet

MAY 23, 2023

SPF deploys within the Domain Name Service (DNS) records with the organization’s domain hosting provider. Email-receiving servers check the email header for the sending domain and then perform a DNS lookup to see if an SPF file exists that matches the sending domain.

DNS 98

DNS Phishing Authentication Internet 98

eSecurity Planet

DECEMBER 15, 2021

It unites spyware, malware, and virus protection with a policy and reporting engine. Other features ensure that organizations adapt to emerging requirements like social-network regulation, remote filtering, and visibility into SSL-encrypted traffic. Key differentiators. 99.999% availability. Key differentiators.

Engineering 102

Engineering Digital transformation Internet Internet 102

eSecurity Planet

MAY 28, 2021

Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Detect Focus on encryption Assume exfiltration. Also Read: How to Prevent DNS Attacks. Also Read: Types of Malware | Best Malware Protection Practices for 2021. Old way New way.

Software 119

Software DNS Firmware VPN 119

Lenny Zeltser

MAY 3, 2019

Use encrypted chat for sensitive discussions. Many of the attack tactics involved elements of social engineering–persuasion tactics that take advantage of human psychology to trick victims into taking actions that have aided the adversaries. Encrypt your network communications and watch out for security warnings.

Cybersecurity 111

Cybersecurity Social Engineering Authentication Software 111

eSecurity Planet

NOVEMBER 18, 2021

Mimecast uses multi-layered detection engines to identify and neutralize threats, stopping malware, spam and targeted attacks before they reach the network. The Mimecast Email Security service is delivered as a single cloud solution with all functions integrated and engineered to work together. The Best Secure Email Gateways.

Phishing 125

Phishing Malware Engineering Ransomware 125

Malwarebytes

JUNE 15, 2022

The credentials are first encrypted with RC4 using an embedded key, and then written to a file. The data is hex encoded and chunked up to be exfiltrated via DNS address record requests to a domain name controlled by the threat actor.” Furthermore, “Passive DNS records showed that the same IP address was resolved to ns1[.]cintepol[.]link

Malware 94

Malware DNS Banking Encryption 94

SecureList

MAY 17, 2021

In this article we analyse the technical features of the Trojan’s components, giving a detailed overview of obfuscation techniques, the infection process and subsequent functions, as well as the social engineering tactics used by the cybercriminals to convince their victims to give away their personal online banking details. Bizarro.

Banking 145

Banking Social Engineering Malware Engineering 145

Security Affairs

FEBRUARY 19, 2019

Users who receive emails this nature should be aware if they are part of a social engineering campaign. An encrypted snippet of code, for instance, has high entropy associated. Reverse engineering VB binaries will often involve reverse engineering VB internals for various VB APIs, a task dreaded by many. Pay attention.

Malware 103

Malware Phishing DNS Engineering 103

SecureList

DECEMBER 1, 2023

For most implants, the threat actor uses similar implementations of DLL hijacking (often associated with ShadowPad malware) and memory injection techniques, along with the use of RC4 encryption to hide the payload and evade detection. libssl.dll or libcurl.dll was statically linked to implants to implement encrypted C2 communications.

Malware 139

Malware Ransomware Encryption Energy and Utilities 139