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.

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DNS Telecommunications Government Encryption 109

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 -->.

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DNS Malware Advertising DDOS 107

Security Affairs

JULY 14, 2020

The SigRed flaw was discovered by Check Point researcher Sagi Tzaik and impacts Microsoft Windows DNS. An attacker could exploit the SigRed vulnerability by sending specially-crafted malicious DNS queries to a Windows DNS server. Non-Microsoft DNS Servers are not affected.”

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DNS Advertising Malware Hacking 94

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.

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DNS Hacking Firmware Wireless 96

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].

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DNS Banking Advertising Mobile 74

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. .

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DDOS Encryption DNS Advertising 145

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.

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DNS Penetration Testing Advertising Authentication 75

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.

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Passwords DNS Malware Advertising 145

Troy Hunt

JULY 21, 2021

When the Ashley Madison data breach occurred in 2015, it made headline news around the world. 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.

Accountability 364

Accountability Data breaches Government InfoSec 364

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.

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DNS Software Advertising Internet 71

Krebs on Security

SEPTEMBER 6, 2021

In May 2015, KrebsOnSecurity briefly profiled “ The Manipulaters ,” the name chosen by a prolific cybercrime group based in Pakistan that was very publicly selling spam tools and a range of services for crafting, hosting and deploying malicious email. ” The IT network of The Manipulaters, circa 2013. Image: Facebook.

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Software Phishing Cybercrime Accountability 294

Security Affairs

DECEMBER 27, 2024

Some of the vulnerabilities exploited by the botnets are CVE-2015-2051 , CVE-2019-10891 , CVE-2022-37056 , and CVE-2024-33112. The malware FICORA is a variant of the Mirai malware, it includes DDoS attack capabilities using multiple protocols such as UDP, TCP, and DNS. ” reads the report published by Fortinet.

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Architecture Malware DNS DDOS 68

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.”.

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Internet Internet DNS Telecommunications 111

Security Affairs

APRIL 22, 2020

The piece of malware employed in the attack was developed in 2015, it was the same used in the attack against Gravity that had the target’s name embedded in the code. Experts also highlighted the use of DNS tunneling for C2 communication. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

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DNS Malware Advertising Software 144

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. azurewebsites.net. azurewebsites.net even it has been shut down. .

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DNS Phishing Advertising Malware 136

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.

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DNS Malware Firmware Phishing 106

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 -->. You can do this manual by sending the crafted XML payload or via desharialize. Original post at: [link].

DNS 144

DNS Advertising Government Hacking 144

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.

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DNS Backups Advertising Authentication 109

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.

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Malware DNS Advertising Cryptocurrency 110

Security Affairs

NOVEMBER 4, 2020

Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Click here to check out or media kit and market with us, today. email: marketing@cyberdefensemagazine.com. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

InfoSec 135

InfoSec DNS Advertising Marketing 135

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.

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DNS Passwords Advertising Banking 105

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 89

Adware DNS Advertising Malware 89

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 130

Internet Internet DNS Advertising 130

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

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 107

DNS Computers and Electronics Penetration Testing Government 107

Security Affairs

SEPTEMBER 14, 2018

The OilRig hacker group has been around since at least 2015, since then it targeted mainly organizations in the financial and government sectors, in the United States and Middle Eastern countries. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. ” continues the experts. Pierluigi Paganini.

DNS 103

DNS Phishing Government Malware 103

Security Affairs

NOVEMBER 26, 2019

“ Fortinet products, including FortiGate and Forticlient regularly send information to Fortinet servers (DNS: guard.fortinet.com) on. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. The PoC code is a Python 3 script that decrypts a FortiGuard message. or 6.2.0), FortiClient for Windows before 6.2.0,

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Encryption Antivirus Advertising DNS 140

Security Affairs

OCTOBER 5, 2020

Unlike other IoT DDoS botnets, Ttint implements 12 remote access functions such as Socket5 proxy for router devices, tampering with router firewall and DNS settings, executing remote custom system commands. ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. ” concludes the report.

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IoT Firmware Advertising DNS 145

Security Affairs

JANUARY 19, 2019

The main communication channel with the C2 server is the DNS tunneling. “The x_mode command is disabled by default, but when enabled via a command received from the DNS tunneling channel, it allows RogueRobin to receive a unique identifier and to get jobs by using Google Drive API requests.” gogle [. ] Pierluigi Paganini.

DNS 110

DNS Penetration Testing Malware Advertising 110

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

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.

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DNS Advertising Firewall Mobile 97

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 121

Security Affairs

SEPTEMBER 25, 2020

Copyright (C) 2014-2015 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. Many of the vulnerabilities were found by Cisco experts during internal assessment of the software. Pierluigi Paganini.

Software 111

Software DNS Wireless Advertising 111

Security Affairs

DECEMBER 11, 2018

The Novidade exploit kit leverages cross-site request forgery (CSRF) to change the Domain Name System (DNS) settings of SOHO routers and redirect traffic from the connected devices to the IP address under the control of the attackers. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini.

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DNS Advertising Firmware Banking 111

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.”

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DNS Accountability Advertising Authentication 40

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

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. For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name.

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DNS Internet Internet Encryption 108