Advertising, DNS and Internet - Cyber Security Informer

HOW DO PROVIDERS IMPLEMENT INTERNET BLOCKING IN BELARUS?

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

Internet Internet DNS Advertising

DNS hijacking campaigns target Gmail, Netflix, and PayPal users

Security Affairs

APRIL 6, 2019

Security experts at Bad Packets uncovered a DNS hijacking campaign that is targeting the users of popular online services, including Gmail, Netflix, and PayPal. Hackers compromised consumer routers and modified the DNS settings to redirect users to fake websites designed to trick victims into providing their login credentials.

DNS

DNS Advertising Internet Internet

NCSC report warns of DNS Hijacking Attacks

Security Affairs

JULY 14, 2019

The UK’s National Cyber Security Centre (NCSC) issued a security advisory to warn organizations of DNS hijacking attacks and provided recommendations this type of attack. In response to the numerous DNS hijacking attacks the UK’s National Cyber Security Centre (NCSC) issued an alert to warn organizations of this type of attack.

DNS

DNS Social Engineering Accountability Advertising

DHS issues emergency Directive to prevent DNS hijacking attacks

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

DNS Government Telecommunications Advertising

RuNet – Russia successfully concluded tests on its Internet infrastructure

Security Affairs

DECEMBER 24, 2019

Russia successfully disconnected from the internet. Russia’s government announced that it has successfully concluded a series of tests for its RuNet intranet aimed at country disconnection from the Internet. One of them is checking the integrity and security of the Internet as a result of external negative influences.”

Internet

Internet Internet DNS Surveillance

Some Zyxel devices can be hacked via DNS requests

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

DNS Hacking Firmware Wireless

Russia is going to disconnect from the internet as part of a planned test

Security Affairs

FEBRUARY 16, 2019

Russia plans to disconnect the country from the internet as part of an experiment aimed at testing the response to cyber attacks that should isolate it. Russia plans to conduct the country from the Internet for a limited period of time to conduct a test aimed at assessing the security of its infrastructure. ” reported ZDNet.

Internet

Internet Internet DNS Cyber Attacks

Spying on satellite internet comms with a $300 listening station

Security Affairs

AUGUST 10, 2020

An attacker could use $300 worth of off-the-shelf equipment to eavesdrop and intercept signals from satellite internet communications. The academic researcher James Pavur, speaking at Black Hat 2020 hacking conference , explained that satellite internet communications are susceptible to eavesdropping and signal interception.

Internet

Internet Internet Advertising Encryption

INTERNET BLOCKING IN MYANMAR – SECRET BLOCK LIST AND NO MEANS TO APPEAL

Security Affairs

AUGUST 10, 2020

Our findings show that both Telenor and MPT block websites using DNS tampering. MPT is ignoring the DNS requests to the blocked domains, while Telenor is redirecting them to an IP address outside of the country. The mail account hostmaster@urlblocked.pw, published as contact details in DNS, bounces all incoming mails.

Internet

Internet Internet Telecommunications DNS

15-Year-Old Malware Proxy Network VIP72 Goes Dark

Krebs on Security

SEPTEMBER 1, 2021

based Internet address for more than a decade — simply vanished. Using services like VIP72, customers can select network nodes in virtually any country, and relay their traffic while hiding behind some unwitting victim’s Internet address. The domain Vip72[.]org “ Haxdoor ,” and “ Nuclear Grabber.”

Malware

Malware Cybercrime Internet Internet

Fake Lawsuit Threat Exposes Privnote Phishing Sites

Krebs on Security

APRIL 4, 2024

Privnote’s ease-of-use and popularity among cryptocurrency enthusiasts has made it a perennial target of phishers , who erect Privnote clones that function more or less as advertised but also quietly inject their own cryptocurrency payment addresses when a note is created that contains crypto wallets. com include privnode[.]com

Phishing

Phishing Cryptocurrency DDOS Internet

VPN Test: How to check if your VPN is working or not

Malwarebytes

AUGUST 13, 2021

It should do this without slowing your Internet too noticeably. Your Internet Service Provider (ISP) assigns a unique IP address to your router, the device that connects the computers, phones, and tablets in your house to the Internet. Testing for DNS and WebRTC leaks. VPN privacy test.

VPN

VPN DNS Internet Internet

TrustPid is another worrying, imperfect attempt to replace tracking cookies

Malwarebytes

JUNE 1, 2022

The providers are trying to sell this idea by telling the public that the identifier can never be tracked back to an individual and that something needs to be done to keep the internet free. Advertisers are seeing the end of the tracking cookie on the horizon and it’s coming closer. Free internet. The end of the tracking cookie.

Advertising

Advertising Internet Internet Mobile

BIND DNS software includes a security feature that could be abused to cause DoS condition

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

DNS Software Advertising Internet

T95 Android TV Box sold on Amazon hides sophisticated malware

Security Affairs

JANUARY 16, 2023

Milisic purchased the T95 Android TV box to run Pi-hole , which is a Linux network-level advertisement and Internet tracker blocking application. Milisic also devised a trick to block the malware using the Pi-hole to change the DNS of the command and control server, YCXRL.COM to 127.0.0.2. ” continues the expert.

Malware

Malware DNS Firmware Internet

Feds Charge Three in Mass Seizure of Attack-for-hire Services

Krebs on Security

DECEMBER 20, 2018

Booter services are typically advertised through a variety of methods, including Dark Web forums, chat platforms and even youtube.com. ” For one thing, the booter services targeted in this takedown advertised the ability to “resolve” or determine the true Internet address of a target. ” DOWN THEM ALL.

DNS

DNS Computers and Electronics Government Internet

‘Tis the Season for the Wayward Package Phish

Krebs on Security

NOVEMBER 4, 2021

One of dozens of FedEx-themed phishing sites currently being advertised via SMS spam. The true Internet address of the link included in the FedEx SMS phishing campaign is hidden behind content distribution network Cloudflare , but a review of its domain name system (DNS) records shows it resolves to 23.92.29[.]42.

Phishing

Phishing Scams Mobile DNS

Malvertising Is a Cybercrime Heavyweight, Not an Underdog

SecureWorld News

MARCH 29, 2024

The concept of the term "malvertising" (a portmanteau of "malicious advertising") suggests an overlap with ads, albeit dodgy ones, and therefore fuels the fallacy that its impact hardly goes beyond frustration. Again, a raid as harmful as that commences with what appears to be garden-variety deceptive advertising trickery.

Cybercrime

Cybercrime Advertising Engineering Antivirus

A Deep Dive Into the Residential Proxy Service ‘911’

Krebs on Security

JULY 18, 2022

For the past seven years, an online service known as 911 has sold access to hundreds of thousands of Microsoft Windows computers daily, allowing customers to route their Internet traffic through PCs in virtually any country or city around the globe — but predominantly in the United States. THE INTERNET NEVER FORGETS.

VPN

VPN Computers and Electronics Antivirus Software

What’s in your notepad? Infected text editors target Chinese users

SecureList

MARCH 13, 2024

“Malvertising” is a popular way of attracting victims to malicious sites: an advertisement block is placed at the top of the search results, increasing the likelihood of users clicking the link. This time, a similar threat has affected users of one of the most popular search engines in the Chinese internet. transferusee[.]com/onl/mac/<md5_hash>

DNS

DNS Advertising Engineering Internet

GhostDNS malware already infected over 100K+ devices and targets 70+ different types of home routers

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.

DNS

DNS Malware Firmware Phishing

For nearly a year, Brazilian users have been targeted with router attacks

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

DNS Passwords Advertising Banking

Who’s Behind the Botnet-Based Service BHProxies?

Krebs on Security

FEBRUARY 24, 2023

BitSight researchers found significant overlap in the Internet addresses used by those domains and a domain called BHproxies[.]com. The service is currently advertising access to more than 150,000 devices globally. com has been advertised for nearly a decade on the forum Black Hat World by the user BHProxies. com on Mar.

Accountability

Accountability Advertising Marketing Malware

TrickBot operators employ Linux variants in attacks after recent takedown

Security Affairs

OCTOBER 28, 2020

Microsoft announced to have taken down 62 of the original 69 TrickBot C&C servers, seven servers that could not be brought down last week were Internet of Things (IoT) devices. At the end of 2019, researchers spotted a new TrickBot backdoor framework dubbed Anchor that was using the DNS protocol for C2 communications.

DNS

DNS Banking Advertising IoT

Security expert discovered a bug that affects million Kaspersky VPN users

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

VPN DNS Advertising Internet

No SOCKS, No Shoes, No Malware Proxy Services!

Krebs on Security

AUGUST 2, 2022

With the recent demise of several popular “proxy” services that let cybercriminals route their malicious traffic through hacked PCs, there is now something of a supply chain crisis gripping the underbelly of the Internet. A review of the Internet addresses historically used by Super-socks[.]biz Image: Spur.us.

Malware

Malware Cybercrime Internet Internet

FBI, CISA alert warns of imminent ransomware attacks on healthcare sector

Security Affairs

OCTOBER 29, 2020

In early 2019, researchers spotted a new TrickBot backdoor framework dubbed Anchor that was using the anchor_dns tool for abusing the DNS protocol for C2 communications. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

Healthcare

Healthcare Ransomware Cybercrime DNS

Some Fortinet products used hardcoded keys and weak encryption for communications

Security Affairs

NOVEMBER 26, 2019

“ Fortinet products, including FortiGate and Forticlient regularly send information to Fortinet servers (DNS: guard.fortinet.com) on. Experts at SEC Consult pointed out that by intercepting and manipulating internet traffic an attacker can alter the responses for FortiGuard Web Filter, AntiSpam and AntiVirus features.

Encryption

Encryption Antivirus DNS Advertising

Microsoft July 2020 Security Updates address 123 vulnerabilities

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

DNS Advertising Engineering Internet

Meet Ika & Sal: The Bulletproof Hosting Duo from Hell

Krebs on Security

JANUARY 8, 2024

For example, in 2010 Spamdot and its spam affiliate program Spamit were hacked, and its user database shows Sal and Icamis often accessed the forum from the same Internet address — usually from Cherepovets , an industrial town situated approximately 230 miles north of Moscow. I can not provide DNS for u, only domains.

Cybercrime

Cybercrime Banking Computers and Electronics DDOS

Q&A: Here’s why VPNs are likely to remain a valuable DIY security tool for consumers, SMBs

The Last Watchdog

JULY 11, 2022

Much of the hard evidence came from correlating breached databases sitting in the open Internet. Statistically, every US internet user has lost 27 data points on average to online breaches, most of them emails, passwords and usernames. Pukys: Nord puts a lot of effort, in terms of advertising, to the gaming/streaming community.

VPN

VPN Data breaches B2C Internet

One of the hackers behind EtherDelta hack also involved in TalkTalk hack

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.

Hacking

Hacking DNS Cryptocurrency Accountability

New Ttint IoT botnet exploits two zero-days in Tenda routers

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.

IoT

IoT Firmware DNS Advertising

FBI warns cyber actors abusing protocols as new DDoS attack vectors

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

DDOS IoT Internet Internet

Controversial law entered into effect in Russia this week

Security Affairs

NOVEMBER 3, 2019

This week a controversial law entered into effect in Russia, it would allow the government to cut internet traffic from the global Internet. This week a controversial law entered into effect in Russia, it would allow the Russian government to disconnect the country from the global Internet.

Internet

Internet Internet DNS Government

Iranian government blocked Wikipedia Farsi due Coronavirus outbreak

Security Affairs

MARCH 4, 2020

The NetBlocks internet observatory, which tracks disruptions and shutdowns, revealed that Iran has blocked access to the Farsi (Persian) language edition of the Wikipedia online encyclopedia since March 2nd, 2020. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. ” reported NetBlocks.

Government

Government DNS Advertising Media

Russia-linked APT28 has been scanning vulnerable email servers in the last year

Security Affairs

MARCH 20, 2020

The nation-state hackers are scanning the entire internet, in search of vulnerable webmail and Microsoft Exchange Autodiscover servers that expose TCP ports 445 and 1433. ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. .”

Phishing

Phishing Accountability Advertising DNS

Cyber Defense Magazine – September 2019 has arrived. Enjoy it!

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

DNS Advertising Firewall Mobile

Trend Micro observed notable malware activity associated with the Momentum Botnet

Security Affairs

DECEMBER 18, 2019

The Momentum bot achieves persistence by modifying the ‘ rc’ files, then connect to command and control (C&C) server and to an internet relay chat (IRC) channel called #HellRoom to register itself and accept commands. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini.

Malware

Malware DDOS DNS Advertising

GALLIUM Threat Group targets global telcos, Microsoft warns

Security Affairs

DECEMBER 12, 2019

“To compromise targeted networks, GALLIUM target unpatched internet-facing services using publicly available exploits and have been known to target vulnerabilities in WildFly/JBoss.” The operators leverage on low cost and easy to replace infrastructure using dynamic-DNS domains and regularly reused hop points.

Telecommunications

Telecommunications DNS Malware Advertising

Pink Botnet infected over 1.6 Million Devices, it is one of the largest botnet ever seen

Security Affairs

NOVEMBER 1, 2021

The botnet was created to launch DDoS attacks and to insert advertisements in the legitimate HTTP traffic of the victims, most of which are in China (96%). Qihoo 360’s Netlab Cybersecurity researchers discovered a huge botnet, tracked as Pink, that already infected over 1.6 million devices.

Architecture

Architecture DDOS Advertising DNS

M2M protocols can be abused to attack IoT and IIoT systems

Security Affairs

DECEMBER 4, 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. “For data gathering, we played the role of a casual attacker with modest resources, scanning the internet for exposed MQTT brokers and CoAP hosts.

IoT

IoT Internet Internet Advertising

Satacom delivers browser extension that steals cryptocurrency

SecureList

JUNE 5, 2023

It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom. To do so, it performs a DNS request to don-dns[.]com com (a decrypted HEX string) through Google DNS (8.8.8.8, com don-dns[.]com

Cryptocurrency

Cryptocurrency DNS Malware Encryption

Some models of Comba and D-Link WiFi routers leak admin credentials

Security Affairs

SEPTEMBER 11, 2019

change DNS settings to hijack the traffic, perform MitM attacks). An attacker-controlled router can manipulate how your users resolve DNS hostnames to direct your users to malicious websites.” ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. ” reads the security advisory.

DNS

DNS Passwords Authentication Wireless

HOW DO PROVIDERS IMPLEMENT INTERNET BLOCKING IN BELARUS?

DNS hijacking campaigns target Gmail, Netflix, and PayPal users

Trending Sources

NCSC report warns of DNS Hijacking Attacks

DHS issues emergency Directive to prevent DNS hijacking attacks

RuNet – Russia successfully concluded tests on its Internet infrastructure

Some Zyxel devices can be hacked via DNS requests

Russia is going to disconnect from the internet as part of a planned test

Spying on satellite internet comms with a $300 listening station

INTERNET BLOCKING IN MYANMAR – SECRET BLOCK LIST AND NO MEANS TO APPEAL

15-Year-Old Malware Proxy Network VIP72 Goes Dark

Fake Lawsuit Threat Exposes Privnote Phishing Sites

VPN Test: How to check if your VPN is working or not

TrustPid is another worrying, imperfect attempt to replace tracking cookies

BIND DNS software includes a security feature that could be abused to cause DoS condition

T95 Android TV Box sold on Amazon hides sophisticated malware

Feds Charge Three in Mass Seizure of Attack-for-hire Services

‘Tis the Season for the Wayward Package Phish

Malvertising Is a Cybercrime Heavyweight, Not an Underdog

A Deep Dive Into the Residential Proxy Service ‘911’

What’s in your notepad? Infected text editors target Chinese users

GhostDNS malware already infected over 100K+ devices and targets 70+ different types of home routers

For nearly a year, Brazilian users have been targeted with router attacks

Who’s Behind the Botnet-Based Service BHProxies?

TrickBot operators employ Linux variants in attacks after recent takedown

Security expert discovered a bug that affects million Kaspersky VPN users

No SOCKS, No Shoes, No Malware Proxy Services!

FBI, CISA alert warns of imminent ransomware attacks on healthcare sector

Some Fortinet products used hardcoded keys and weak encryption for communications

Microsoft July 2020 Security Updates address 123 vulnerabilities

Meet Ika & Sal: The Bulletproof Hosting Duo from Hell

Q&A: Here’s why VPNs are likely to remain a valuable DIY security tool for consumers, SMBs

One of the hackers behind EtherDelta hack also involved in TalkTalk hack

New Ttint IoT botnet exploits two zero-days in Tenda routers

FBI warns cyber actors abusing protocols as new DDoS attack vectors

Controversial law entered into effect in Russia this week

Iranian government blocked Wikipedia Farsi due Coronavirus outbreak

Russia-linked APT28 has been scanning vulnerable email servers in the last year

Cyber Defense Magazine – September 2019 has arrived. Enjoy it!

Trend Micro observed notable malware activity associated with the Momentum Botnet

GALLIUM Threat Group targets global telcos, Microsoft warns

Pink Botnet infected over 1.6 Million Devices, it is one of the largest botnet ever seen

M2M protocols can be abused to attack IoT and IIoT systems

Satacom delivers browser extension that steals cryptocurrency

Some models of Comba and D-Link WiFi routers leak admin credentials

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