2014, DNS, Information Security and Passwords

Linksys force password reset to prevent Router hijacking

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.

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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 January 2019 the NCSC published an alert to highlight a large-scale global campaign to hijack Domain Name Systems (DNS).”

DNS

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

Security Affairs

JULY 13, 2019

This year, security experts at Avast have blocked more than 4.6 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. Most recently, Netflix became a popular domain for DNS hijackers.”

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Hackers hijack D-Link and Linksys routers to point users to coronavirus-themed sites serving malware

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. In some cases, users were infected with the Oski information-stealing malware. . 234.35.230 and 94 [. 103.82.249. washington.edu imageshack.us

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Malware DNS Advertising Cryptocurrency

LeakedSource Owner Quit Ashley Madison a Month Before 2015 Hack

Krebs on Security

JULY 18, 2023

com , a service that sold access to billions of passwords and other data exposed in countless data breaches. KrebsOnSecurity has learned that the owner of Defiant Tech, a 32-year-old Ontario man named Jordan Evan Bloom , was hired in late 2014 as a developer for the marital infidelity site AshleyMadison.com.

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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.

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Lyceum APT made the headlines with attacks in Middle East

Security Affairs

AUGUST 27, 2019

Lyceum was observed using password spraying and brute-force attacks to compromise email accounts of targeted individuals. “LYCEUM initially accesses an organization using account credentials obtained via password spraying or brute-force attacks. The malware uses DNS and HTTP-based communication mechanisms.

DNS

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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). ” reads the security advisory. While analyzing the dual-band D-Link DSL-2875AL wireless router, the expert discovered that a file located at https : //[router ip address ] /romfile.cfg contains the login password of the device in plaintext. download=true.

DNS

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Security firm accidentally exposed an unprotected database with 5 Billion previously leaked records

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. Pierluigi Paganini.

Data breaches

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

Security Affairs

MARCH 20, 2020

Trend Micro investigated waves of the APT28’s targeted credential phishing attacks and collected thousands of email samples sent out by the group since 2014. “Their attacks, which range from compromising DNS set tings and tabnabbing to creating watering holes and taking advantage of zero-days, have been nothing short of sophisticated.

Phishing

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Backdoored Webmin versions were available for download for over a year

Security Affairs

AUGUST 19, 2019

It allows users using web browsers to set up user accounts, Apache, DNS, file sharing and much more. The flaw affects the procedure for changing expired passwords, the backdoor could be exploited by a remote attacker to execute malicious commands with root privileges on the machine running vulnerable Webmin. .”

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Security Affairs newsletter Round 230

Security Affairs

SEPTEMBER 8, 2019

Some Zyxel devices can be hacked via DNS requests. Over 600k GPS trackers left exposed online with a default password of ‘123456. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. . Pierluigi Paganini.

IoT

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Dozens of Linksys router models leak data useful for hackers

Security Affairs

MAY 18, 2019

The issue discovered by the expert, in fact, could be used by attackers to discover if the vulnerable routers are still using default administrative passwords. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini.

Wireless

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Roboto, a new P2P botnet targets Linux Webmin servers

Security Affairs

NOVEMBER 21, 2019

It allows users using web browsers to set up user accounts, Apache, DNS, file sharing and much more. The flaw affects the procedure for changing expired passwords, the backdoor could be exploited by a remote attacker to execute malicious commands with root privileges on the machine running vulnerable Webmin. ” reads the analysis.

DDOS

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Keepnet Labs accidentally exposed an unprotected database with 5 Billion previously leaked records

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. Pierluigi Paganini.

Data breaches

Data breaches DNS Advertising Engineering

Winnti APT group uses skip-2.0 malware to control Microsoft SQL Servers

Security Affairs

OCTOBER 21, 2019

malware was used by threat actors to establish a backdoor in MSSQL Server 11 and 12 servers, allowing them to access to any account on the server using a “magic password.” Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

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A month later Gamaredon is still active in Eastern Europe

Security Affairs

JUNE 4, 2019

The infection chain is composed by different stages of password protected SFX (self extracting archive), each containing vbs or batch scripts. Execution of “ winupd.exe ” (SFX) and relative password (uyjqystgblfhs). Information about C2 and relative DNS. This time using the string “ gblfhs ” as password.

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5 Common Phishing Attacks and How to Avoid Them?

Security Affairs

AUGUST 19, 2019

People fell prey for these manipulative emails and provide confidential details like passwords and bank information in their negligence. This information is then used for unauthorized and illegal activities, which could have a devastating impact on individuals and organizations. Use Two Factor Authentication. Pierluigi Paganini.

Phishing

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Security Affairs newsletter Round 223 – News of the week

Security Affairs

JULY 21, 2019

The best news of the week with Security Affairs. NCSC report warns of DNS Hijacking Attacks. Slack resetting passwords for roughly 1% of its users. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. Kindle Edition.

Small Business

Small Business Media Spyware DNS

Unveiling JsOutProx: A New Enterprise Grade Implant

Security Affairs

DECEMBER 20, 2019

The “Dns” Plugin. The DnsPlugin handles the machine’s DNS configuration. However, the plugin is specifically designed for the theft of SymantecVIP One Time Password , the multifactor authentication technology used in enterprise grade Single-Sign-On services adopted in many corporate environments. Part of ProcessPlugin code.

Malware

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Cyber Security Informer

Linksys force password reset to prevent Router hijacking

NCSC report warns of DNS Hijacking Attacks

Webinars

Trending Sources

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

Webinars

Hackers hijack D-Link and Linksys routers to point users to coronavirus-themed sites serving malware

LeakedSource Owner Quit Ashley Madison a Month Before 2015 Hack

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

Lyceum APT made the headlines with attacks in Middle East

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

Security firm accidentally exposed an unprotected database with 5 Billion previously leaked records

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

Backdoored Webmin versions were available for download for over a year

Security Affairs newsletter Round 230

Dozens of Linksys router models leak data useful for hackers

Roboto, a new P2P botnet targets Linux Webmin servers

Keepnet Labs accidentally exposed an unprotected database with 5 Billion previously leaked records

Winnti APT group uses skip-2.0 malware to control Microsoft SQL Servers

A month later Gamaredon is still active in Eastern Europe

5 Common Phishing Attacks and How to Avoid Them?

Security Affairs newsletter Round 223 – News of the week

Unveiling JsOutProx: A New Enterprise Grade Implant

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