Security Affairs

JANUARY 23, 2019

DHS has issued a notice of a CISA emergency directive urging federal agencies of improving the security of government-managed domains (i.e.gov) to prevent DNS hijacking attacks. The notice was issued by the DHS and links the emergency directive Emergency Directive 19-01 titled “Mitigate DNS Infrastructure Tampering.”.

DNS 111

DNS Government Telecommunications Advertising 111

Security Affairs

JANUARY 10, 2019

Security expert uncovered a DNS hijacking campaign targeting organizations in various industries worldwide and suspects Iranian APT groups. It is interesting to note that FireEye confirmed that this campaign is different from other operations carried out by Iranian APT groups due to the use of DNS hijacking at scale.

DNS 109

DNS Telecommunications Government Encryption 109

Security Affairs

SEPTEMBER 4, 2019

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. The first issue is an information disclosure flaw via unauthenticated external DNS requests that affect Zyxel devices from the USG, UAG, ATP, VPN and NXC series. Pierluigi Paganini.

DNS 95

DNS Hacking Firmware Wireless 95

Security Affairs

JULY 4, 2019

The peculiarity of this new piece of malware is the ability to communicate with C2 servers via DNS over HTTPS ( DoH ). The DoH protocol was a new standard proposed in October 2018 and it is currently supported by several publicly available DNS servers. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

DNS 107

DNS Malware Advertising DDOS 107

Security Affairs

AUGUST 12, 2018

Crooks are targeting DLink DSL modem routers in Brazil to redirect users to fake bank websites by carrying out DNS hijacking. Crooks are targeting DLink DSL modem routers in Brazil to redirect users to fake bank websites by changing the DNS settings. D-Link DSL-2740R / Unauthenticated Remote DNS Change Exploit [link].

DNS 74

DNS Banking Advertising Mobile 74

Security Affairs

AUGUST 21, 2018

Cybersecurity firm NCC Group has released an open source tool for penetration testers that allows carrying out DNS rebinding attacks. Security firm NCC Group has released an open source tool for penetration testing dubbed Singularity of Origin that allows carrying out DNS rebinding attacks. Pierluigi Paganini.

DNS 75

DNS Penetration Testing Advertising Authentication 75

Security Affairs

AUGUST 9, 2018

The Internet Systems Consortium (ISC) announced the presence of a serious flaw in the BIND DNS software that can be exploited by remote attackers to cause a denial-of-service (DoS) condition. The “deny-answer-aliases” feature is was implemented to help recursive server operators protect users against DNS rebinding attacks.

DNS 71

DNS Software Advertising Internet 71

Security Affairs

DECEMBER 10, 2018

The Linux.org website was defaced last week via DNS hijack, attackers breached into associated registrar account and changed the DNS settings. “This evening someone got into my partner’s netsol account and pointed linux.org DNS to their own cloudflare account. DNS was simply pointing to another box.”

DNS 40

DNS Accountability Advertising Authentication 40

Security Affairs

SEPTEMBER 19, 2020

The popular encrypted email service Tutanota was hit with a series of DDoS attacks this week targeting its website fist and its DNS providers later. Encrypted email service, Tutanota suffered a series of DDoS attacks that initially targeted the website and later its DNS providers. “As a result these providers went down. .

DDOS 145

DDOS Encryption DNS Advertising 145

Security Affairs

APRIL 16, 2020

Linksys has reset passwords for all its customers’ after learning on ongoing DNS hijacking attacks aimed at delivering malware. Hackers compromise D-Link and Linksys routers and change DNS settings to redirect users to bogus sites proposing a fake COVID-19 information app from the World Health Organization. Pierluigi Paganini.

Passwords 145

Passwords DNS Malware Advertising 145

Security Affairs

FEBRUARY 24, 2019

“The Internet Corporation for Assigned Names and Numbers ( ICANN ) believes that there is an ongoing and significant risk to key parts of the Domain Name System ( DNS ) infrastructure. The notice was issued by the DHS and links the emergency directive Emergency Directive 19-01 titled “Mitigate DNS Infrastructure Tampering.”.

Internet 111

Internet Internet DNS Telecommunications 111

Krebs on Security

FEBRUARY 24, 2023

The account didn’t resume posting on the forum until April 2014. Shotliff said he sold his BHProxies account to another Black Hat World forum user from Egypt back in 2014. He also shared a PayPal receipt and snippets of Facebook Messenger logs showing conversations in March 2014 with legendboy2050@yahoo.com. com on Mar.

Accountability 253

Accountability Advertising Marketing Malware 253

Security Affairs

JULY 17, 2019

Threat actors used the Extembro DNS- changer Trojan in an adware campaign to prevent users from accessing security-related websites. Security experts at Malwarebytes observed an adware campaign that involved the Extembro DNS- changer Trojan to prevent users from accessing websites of security vendors. Pierluigi Paganini.

Adware 90

Adware DNS Malware Advertising 90

Security Affairs

MARCH 26, 2020

Hackers compromiseD -Link and Linksys routers and change DNS settings to redirect users to bogus sites proposing a fake COVID-19 information app from the World Health Organization. Experts from BleepingComputer reported that attackers would change the configured DNS servers to 109 [. 234.35.230 and 94 [. 103.82.249. com winimage.com.

Malware 111

Malware DNS Advertising Cryptocurrency 111

Security Affairs

MARCH 5, 2020

Let’s consider mybrowser.microsoft.com, it might have resolved by the DNS to something like webserver9000.azurewebsites.net. But experts discovered that Microsoft did not take care of DNS entries for the sub-domains that for some reason it stops to update. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

DNS 137

DNS Phishing Advertising Malware 137

Security Affairs

NOVEMBER 4, 2020

Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. . Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

InfoSec 136

InfoSec DNS Advertising Marketing 136

Security Affairs

JUNE 27, 2019

In April, the researcher Nick Cano discovered that BlueStacks versions prior than v4.90.0.1046 are affected by a DNS rebinding vulnerability that allowed attackers to gain access to the emulator’s IPC functions. Other issues included information disclosure and a flaw that allowed attackers to steal backups of the VM and its data.

DNS 109

DNS Backups Advertising Authentication 109

Security Affairs

SEPTEMBER 23, 2020

Qurium analyzes the blocking implemented by four different operators in Belarus Belarus operators use their own infrastructure to implement the blocking Block techniques include transparent web proxies, injection of HTTP responses, stateless and stateful SSL DPI and fake DNS responses. Qurium forensics report: Internet blocking in Belarus.

Internet 131

Internet Internet DNS Advertising 131

Security Affairs

JULY 15, 2020

“Today we released an update for CVE-2020-1350 , a Critical Remote Code Execution (RCE) vulnerability in Windows DNS Server that is classified as a ‘wormable’ vulnerability and has a CVSS base score of 10.0. This issue results from a flaw in Microsoft’s DNS server role implementation and affects all Windows Server versions.

DNS 93

DNS Advertising Engineering Internet 93

Security Affairs

JULY 13, 2019

The campaign uncovered by Avast aimed at silently modifying the Brazilian users’ Domain Name System (DNS) settings to redirect victims to malicious websites mimicking legitimate ones. In some cases the router is reconfigured to use rogue DNS servers, which redirect victims to phishing pages that closely look like real online banking sites.

DNS 106

DNS Passwords Advertising Banking 106

Security Affairs

OCTOBER 25, 2019

We're investigating reports of intermittent DNS resolution errors with Route 53 & our external DNS providers. According to the company status page, hackers were targeting the AWS DNS servers flooding them with junk network traffic. “We are investigating reports of occasional DNS resolution errors.

DDOS 74

DDOS DNS Advertising Engineering 74

Security Affairs

OCTOBER 1, 2018

Attackers have already hijacked over 100,000 home routers, the malicious code allows to modify DNS settings to hijack the traffic and redirect users to phishing websites. GhostDNS reminds us of the infamous DNSChanger malware that made the headlines for its ability to change DNS settings on the infected device. Pierluigi Paganini.

DNS 107

DNS Malware Firmware Phishing 107

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

Security Affairs

APRIL 22, 2020

“The technique relies on a DNS Tunneling communication channel through a custom implementation of the iodine source code , an open-source software that enables the tunneling of IPv4 data through a DNS server. Experts also highlighted the use of DNS tunneling for C2 communication. ” continues the report.

DNS 144

DNS Malware Advertising Software 144

Security Affairs

FEBRUARY 18, 2020

To verify this I’ve sent a crafted payload which enable the remote server (incometaxindia.gov.in) to perform a DNS lookup on my burp collaborator. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. Original post at: [link].

DNS 144

DNS Advertising Government Hacking 144

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 ). Contest: Since at least 2014, an Iranian threat group tracked by FireEye as APT34 has conducted reconnaissance aligned with the strategic interests of Iran.

DNS 108

DNS Computers and Electronics Penetration Testing Government 108

Security Affairs

OCTOBER 15, 2019

. “the actor moved away from hosting the scripts on dedicated servers and instead started to use Domain Name System (DNS) text records. These records are accessed via normal DNS queries or DNS-over-HTTPs ( DoH ) if the DNS query fails. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Cybercrime 91

Cybercrime DNS Malware Advertising 91

Security Affairs

SEPTEMBER 25, 2020

Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. Two vulnerabilities can allow authenticated attackers with local access to the target devices to execute arbitrary code. Pierluigi Paganini. SecurityAffairs – hacking, DoS).

Software 111

Software DNS Wireless Advertising 111

Security Affairs

OCTOBER 28, 2020

At the end of 2019, researchers spotted a new TrickBot backdoor framework dubbed Anchor that was using the DNS protocol for C2 communications. ” “The actors behind Trickbot, a high profile banking trojan, have recently developed a Linux port of their new DNS command and control tool known as Anchor_DNS.”

DNS 110

DNS Banking Advertising IoT 110

Security Affairs

AUGUST 9, 2018

A security issue exists in Kaspersky VPN <=v1.4.0.216 which leaks your DNS Address even after you’re connected to any virtual server. What is a DNS leaks ? In this context, with the term “DNS leak” we indicate an unencrypted DNS query sent by your system OUTSIDE the established VPN tunnel.

VPN 75

VPN DNS Advertising Internet 75

Security Affairs

APRIL 8, 2019

Attackers used a new method of phishing with malicious mobile configurations along with previously observed DNS manipulation technique. In late February 2019, experts detected a URL query of a malicious DNS changer that attackers used to compromise router DNS settings. Pierluigi Paganini.

DNS 110

DNS Mobile Phishing Malware 110

Security Affairs

SEPTEMBER 4, 2019

In addition, we’re shooting for 7x24x365 uptime as we continue to scale with improved Web App Firewalls, Content Deliver Networks (CDNs) around the Globe, Faster and More Secure DNS and CyberDefenseMagazineBackup.com up and running as an array of live mirror sites. Pierluigi Paganini.

DNS 98

DNS Advertising Firewall Mobile 98

Security Affairs

AUGUST 1, 2019

In addition, we’re shooting for 7x24x365 uptime as we continue to scale with improved Web App Firewalls, Content Deliver Networks (CDNs) around the Globe, Faster and More Secure DNS and CyberDefenseMagazineBackup.com up and running as an array of live mirror sites. Pierluigi Paganini.

DNS 96

DNS Advertising Firewall Mobile 96

Security Affairs

DECEMBER 19, 2020

The Joker’s Stash carding platform has been active since October 7, 2014, it focuses on the sale of stolen payment card details. At the time of this writing the Joker’s Stash’s.bazar,lib,emc,coin domains, which are all those accessible via blockchain DNS, are simply showing a “Server Not Found” message. .

DNS 144

DNS Cybercrime Hacking Information Security 144

Security Affairs

SEPTEMBER 21, 2019

In December 2017, the popular cryptocurrency exchange EtherDelta was hacked, attackers conducted a DNS attack that allowed to steal at least 308 ETH ($266,789 at the time of the hack) as well as a large number of tokens. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini.

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Hacking DNS Cryptocurrency Accountability 103

Security Affairs

JUNE 18, 2020

They use DNS tunneling for stealthier C&C communications, and place execution guardrails on the malicious components to hide the malware from security researchers.” Experts also observed attackers using a DNS downloader that was designed for long-term, covert access to the target machine. Pierluigi Paganini.

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DNS Advertising Spyware Software 123

McAfee

DECEMBER 1, 2021

CVE-2021-20322: Of all the words of mice and men, the saddest are, “it was DNS again.” Users of popular DNS service Quad9 have particular cause for concern, as the paper claims it falls under the vulnerable 13.85%. Your Cybersecurity Comic Relief . Why am I here? . Truly nefarious. . What can I do? . of their paper. .

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DNS Firewall VPN Internet 90