CSO Magazine

APRIL 19, 2023

The Domain Name System (DNS) is often referred to as the phone book of the internet. DNS translates web addresses, which people use, into IP addresses, which machines use. But DNS was not designed with security in mind. This has only worsened with the adoption of encrypted DNS, known as DNS-over-HTTPS (DoH).

DNS 70

DNS Encryption Internet Internet 70

Krebs on Security

AUGUST 23, 2024

A core part of the way these things find each other involves a Windows feature called “ DNS name devolution ,” a kind of network shorthand that makes it easier to find other computers or servers without having to specify a full, legitimate domain name for those resources. Alas, in 2018, the.llc TLD was born and began selling domains.

DNS 324

DNS Internet Internet Authentication 324

Troy Hunt

JANUARY 10, 2018

agarwal_mohit) January 5, 2018. I think the URL is right but it seems inaccessible from other countries: [link] — Troy Hunt (@troyhunt) January 9, 2018. Security /= George blocking — Vatsalya Goel (@vatsalyagoel) January 9, 2018. — Khas Mek (@KhasMek) January 10, 2018. FergusInLondon) January 10, 2018.

Hacking 279

Hacking Government Encryption Risk 279

Security Affairs

FEBRUARY 23, 2019

A user reported that its D-Link DNS-320 device was infected by malicious code. The D-Link DNS-320 model is no more available for sale, one of the members of the forum explained that the firmware of its NAS was never updated and its device was exposed to WAN through ports 8080, FTP port 21, and a range of ports for port forwarding.

Ransomware 111

Ransomware DNS Firmware Encryption 111

Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi. Encrypting files.

Ransomware 145

Ransomware DNS Encryption Backups 145

Troy Hunt

JULY 21, 2021

Not only do they control the access rights to the mailbox, they also control DNS and MX records therefore they control the routing of emails. Sidenote: there's a whole other discussion about active interception of encrypted communications that may also give an employer access to this.)

Accountability 363

Accountability Data breaches Government InfoSec 363

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 103

Technology DNS Encryption Authentication 103

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

Malwarebytes

DECEMBER 1, 2023

The list includes Amazon (banned in 2018), Google (2018), Microsoft (2022), and Cloudflare (2015). For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name. HTTPS protocols are encrypted, so it can be used to discreetly connect to a different target domain.

DNS 103

DNS Internet Internet Encryption 103

Security Affairs

JUNE 18, 2020

The group was first spotted by ESET in 2018, when the experts detected a sophisticated piece of spyware, tracked as InvisiMole, used in targeted attacks in Russia and Ukraine in the previous five years. Experts also observed attackers using a DNS downloader that was designed for long-term, covert access to the target machine.

DNS 121

DNS Advertising Spyware Software 121

Krebs on Security

JULY 3, 2023

However, searching passive DNS records at DomainTools.com for thedomainsvault[.]com In January 2019, Houzz acknowledged that a data breach exposed account information on an undisclosed number of customers, including user IDs, one-way encrypted passwords, IP addresses, city and ZIP codes, as well as Facebook information. 68.35.149.206).

Scams 291

Scams Business Services Accountability Marketing 291

Security Affairs

NOVEMBER 9, 2020

Experts attribute the attack to a known threat actor tracked as xHunt , aka Hive0081, which was first discovered in 2018. “The Snugy backdoor uses a DNS tunneling channel to run commands on the compromised server. ” reads the analysis published by the experts.

DNS 132

DNS Accountability Government Cyber Attacks 132

Security Affairs

JULY 23, 2019

Attackers also noticed that systems infected with the above two families were also targeted with the RoyalDNS malware that uses DNS to communicate with the C&C server. Once executed the command the backdoor returns output through DNS.

DNS 110

DNS Malware Advertising Manufacturing 110

CyberSecurity Insiders

MARCH 21, 2021

Back in 2018, almost two-thirds of the small businesses suffered from cyber security attacks. . With a VPN like Surfshark to encrypt your online traffic and keep it protected against any security breach, your valuable data isn’t going to get compromised easily anytime soon. Protecting your data is very simple. Train your employees .

Small Business 145

Small Business Cyber Attacks VPN Backups 145

Security Affairs

DECEMBER 12, 2019

” The GALLIUM threat actor is active, but its activity was more intense between 2018 and mid-2019. The operators leverage on low cost and easy to replace infrastructure using dynamic-DNS domains and regularly reused hop points. GALLIUM is one of many ActivityGroups we see targeting telcos through SE Asia + Europe + Africa.

Telecommunications 97

Telecommunications DNS Malware Advertising 97

Security Affairs

JULY 27, 2020

In December 2018, security experts from Trend Micro discovered that some machine-to-machine (M2M) protocols can be abused to attack IoT and industrial Internet of Things (IIoT) systems. According to our estimate, CoAP can reach up to 32 times (32x) amplification factor, which is roughly between the amplification power of DNS and SSDP.”.

DDOS 142

DDOS IoT Internet Internet 142

eSecurity Planet

MARCH 25, 2022

Between 2016 and 2018, the malware strain SamSam made brute force RDP attacks an integral part of its attacks on several public organizations. By exploiting weak server vulnerabilities, the Iran-based hackers were able to gain access, move laterally, encrypt IT systems, and demand ransom payment. clinical labs company September U.S.

VPN 122

VPN Software Authentication Encryption 122

SecureList

OCTOBER 25, 2023

It comes equipped with a built-in TOR network tunnel for communication with command servers, along with update and delivery functionality through trusted services such as GitLab, GitHub, and Bitbucket, all using custom encrypted archives. on January 9, 2018, after hovering around $10 in 2017. As of 2023, it is trading at around $150.

Malware 142

Malware DNS Encryption Cryptocurrency 142

Security Affairs

AUGUST 8, 2018

We named this botnet “Black” due to the RC4 key value, “black”, that is used for traffic encryption in this botnet.” “This C&C server has actually been active since 6 th March 2018 but didn’t attract attention because of the low capacity of the “black” botnet at that time. Bot-B connects to Bot-A.

Malware 73

Malware DNS Encryption Banking 73

Security Affairs

OCTOBER 12, 2019

In August 2018, three members of the notorious cybercrime gang have been indicted and charged with 26 felony counts of conspiracy, wire fraud, computer hacking, access device fraud and aggravated identity theft. The messages sent to the victims were also dropping the backdoor DNSbot that primarily operates over DNS traffic.

Identity Theft 104

Identity Theft Hacking Advertising DNS 104

Security Affairs

MAY 15, 2023

“Lancefly’s custom malware, which we have dubbed Merdoor, is a powerful backdoor that appears to have existed since 2018.” A legitimate tool by Avast was installed by the attackers and used to dump LSASS memory The group was spotted using a “masqueraded version” of WinRAR to stage and encrypt files before exfiltration.

Encryption 98

Encryption DNS Phishing Malware 98

Security Affairs

AUGUST 7, 2019

group_b : from August 2017 to January 2018 3. group_c : from January 2018 to February 2018 4. T1094) mainly developed using DNS resolutions (which is actually one of the main characteristic of the attacker group). group_a : from 2016 to August 2017 2.

Computers and Electronics 104

Computers and Electronics Penetration Testing DNS Phishing 104

Security Affairs

NOVEMBER 14, 2018

Fincantieri who was not involved in the previous ‘MartyMcFly’ attack identified and blocked additional threats targeting their wide infrastructure intercepted on during the week of 20th August 2018, about a couple of months before the ‘MartyMcFly’ campaign. DNS requests intercepted.

Computers and Electronics 109

Computers and Electronics Penetration Testing Malware Phishing 109

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 121

Software DNS Firmware VPN 121

Security Affairs

AUGUST 20, 2019

Prior to April 2018, Silence’s target interests were primarily limited to 25 post-Soviet states and neighboring countries. Since the report “Silence: Moving into the darkside” was released in September 2018, Group-IB’s Threat Intelligence team has detected at least 16 new campaigns targeting banks launched by Silence.

Banking 87

Banking Cybercrime Advertising Cybersecurity 87

Security Affairs

JUNE 9, 2022

Other techniques employed by the APT group include DLL hijacking, Themida-packed files, and DNS tunneling to evade post-compromise detection. From 2018 to present, Aoqin Dragon has also been observed using a fake removable device as an initial infection vector. The APT has improved its malicious code over the time to avoid detection.

Malware 98

Malware DNS Encryption Education 98

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 137

Malware Ransomware Encryption Energy and Utilities 137

SecureList

FEBRUARY 7, 2022

We have been tracking Roaming Mantis since 2018, and published five blog posts about this campaign: Roaming Mantis uses DNS hijacking to infect Android smartphones. Then, the encrypted payload is XORed using the embedded XOR key. Roaming Mantis dabbles in mining and phishing multilingually. Roaming Mantis, part III.

Phishing 99

Phishing DNS Mobile Malware 99

eSecurity Planet

DECEMBER 17, 2021

In the Gartner Magic Quadrant for Cloud Access Security Brokers, Censornet was a Niche Player in 2017 and 2018. In the Gartner Magic Quadrant for Cloud Access Security Brokers, Forcepoint was a Niche Player in 2018 and 2019 before becoming a Visionary in 2020. Recognition for Censornet. Forcepoint. Recognition for Forcepoint.

Risk 141

Risk Firewall Authentication Encryption 141

eSecurity Planet

MAY 19, 2022

Already a leading SD-WAN pick, the HPE subsidiary boosted its market position with acquisitions of security vendor Cape Networks in 2018 and WAN specialist Silver Peak Systems in 2020. Launched in 2002 and specializing in wireless networking , Aruba Networks’ success led to its acquisition by Hewlett-Packard in 2015. Open Systems.

Firewall 122

Firewall Architecture Encryption Network Security 122

eSecurity Planet

JUNE 8, 2023

It can be time consuming to establish these protocols on an organization’s DNS servers, but doing so will provide two key benefits. Email security tools offer features that screen emails for malicious content using antivirus, anti-spam, DNS, attachment, and other analytics.

Firewall 81

Firewall DNS Authentication Malware 81

Security Affairs

DECEMBER 20, 2018

Security firms such as Proofpoint and Eset analyzed other samples of the same threat targeting the Australian landscape back in May 2018 and, more recently, in Italy. In the last weeks, a new variant of the infamous Danabot botnet hit Italy. Technical Analysis. Conclusion.

Banking 104

Banking Malware Internet Internet 104

eSecurity Planet

JUNE 6, 2022

Founded in 2018 by two IDF elite intelligence unit alumni, CEO Amit Bareket and CPO Sagi Gidali, Perimeter 81 provides an integrated cloud-based secure access service edge platform. Encrypted tunneling is available via private or public gateways, placed locally for low-latency secure connections. Perimeter 81. Key Differentiators.

Firewall 119

Firewall Architecture Technology Encryption 119

eSecurity Planet

JULY 28, 2021

Since the 1970s, Public Key Infrastructure (PKI) has offered encryption , authentication, bootstrapping, and digital signatures to secure digital communications. Going back to RSA 2018’s Cryptographers’ Panel , it was the ‘S’ in RSA, Adi Samir, who said blockchain could address threats presented by quantum computing.

Cybersecurity 136

Cybersecurity Cryptocurrency Technology Energy and Utilities 136

SecureList

SEPTEMBER 26, 2022

Configuration is stored in several registry keys in encrypted and base64 encoded form. DanaBot is a Trojan-Banker written in Delphi that spreads via email phishing, and is known to have evolved since it was discovered in 2018. LgoogLoader is a Trojan-Downloader that downloads an encrypted configuration file from a hardcoded static URL.

Malware 141

Malware Cryptocurrency Passwords Software 141

eSecurity Planet

MARCH 10, 2021

The least common of SQL injection attacks, the out-of-band method relies on the database server to make DNS or HTTP requests delivering data to an attacker. . . . Encryption: Keep Your Secrets Secret. Therefore encryption and hashing passwords, confidential data, and connection strings are of the utmost importance. .

Penetration Testing 119

Penetration Testing Firewall Software Accountability 119

SecureList

NOVEMBER 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 133

Malware Banking Energy and Utilities Accountability 133