Security Affairs

DECEMBER 18, 2019

Security experts recently found notable malware activity affecting devices running Linux that is associated with the Momentum Botnet. Malware researchers from Trend Micro recently observed notable malware activity affecting devices running Linux that is associated with the Momentum Botnet. ” concludes the analysis.

Malware 62

Malware DDOS DNS Advertising 62

Security Affairs

NOVEMBER 4, 2020

150 PAGESLOADED WITH EXCELLENT CONTENT Learn from the experts, cybersecurity best practices Find out about upcoming information security related conferences, expos and trade shows. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. appeared first on Security Affairs. Pierluigi Paganini.

InfoSec 119

InfoSec DNS Advertising Marketing 119

Security Affairs

OCTOBER 28, 2020

According to a new report published by researchers from security firm Netscout , TrickBot’s operators have started to use a new variant of their malware in an attempt to Linux systems and expand the list of its targets. “Often delivered as part of a zip, this malware is a lightweight Linux backdoor.

DNS 103

DNS Banking Advertising IoT 103

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.

Adware 57

Adware DNS Malware Advertising 57

Security Affairs

MARCH 5, 2020

Security researchers demonstrated that hundreds of sub-domains belonging to Microsoft could potentially be hijacked and abused to deliver malware and for phishing attacks. Let’s consider mybrowser.microsoft.com, it might have resolved by the DNS to something like webserver9000.azurewebsites.net. azurewebsites.net.

DNS 94

DNS Phishing Advertising Malware 94

Security Affairs

OCTOBER 15, 2019

The group has been observed using new tactics, techniques, and procedures (TTPs), it is also using updated malware to evade detection. “the actor moved away from hosting the scripts on dedicated servers and instead started to use Domain Name System (DNS) text records. Pierluigi Paganini.

Cybercrime 63

Cybercrime DNS Malware Advertising 63

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.”

DNS 73

DNS Passwords Advertising Banking 73

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 118

Internet Internet DNS Advertising 118

Security Affairs

JULY 15, 2023

Gamaredon has been active since 2014 and its activity focus on Ukraine, the group was observed using the multistage backdoor Pteranodon / Pterodo. The Gamaredon APT group continues to carry out attacks against entities in Ukraine, including security services, military, and government organizations. .

Social Engineering 96

Social Engineering DNS Accountability Malware 96

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 59

DNS Advertising Engineering Internet 59

Security Affairs

MARCH 10, 2020

“The threat actors behind this campaign are posting malware embedded inside various hacking tools and cracks for those tools on several websites. The domain started to be associated with malware around the time of the re-registration, however, it is unclear whether this Vietnamese individual has any ties to the malware campaign.”

Hacking 117

Hacking Malware Advertising DNS 117

Security Affairs

AUGUST 6, 2021

If you are in doubt, check the subnets on [link] and look at known DNS entries to get an idea. For most organizations, the chance of false positives, when blocking these subnets, will be very low to non-existent. ’ Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini. SecurityAffairs – hacking, Conti ransomware).

Ransomware 107

Ransomware DNS Malware Hacking 107

Security Affairs

MARCH 20, 2020

The APT28 group (aka Fancy Bear , Pawn Storm , Sofacy Group , Sednit , and STRONTIUM ) has been active since at least 2007 and it has targeted governments, militaries, and security organizations worldwide. “This report aims to shed light on some of Pawn Storm’s attacks that did not use malware in the initial stages.

Phishing 135

Phishing Accountability Advertising DNS 135

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 136

DNS Cybercrime Hacking Information Security 136

Security Affairs

OCTOBER 21, 2019

Security experts have a new malware, dubbed skip-2.0 Security experts at ESET have discovered a new malware, dubbed skip-2.0, 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.”

Malware 45

Malware Passwords Advertising DNS 45

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 -->. The post Cisco fixes 34 High-Severity flaws in IOS and IOS XE software appeared first on Security Affairs. Pierluigi Paganini. SecurityAffairs – hacking, DoS).

Software 97

Software DNS Wireless Advertising 97

Security Affairs

JANUARY 28, 2021

The TeamTNT botnet is a crypto-mining malware operation that has been active since April 2020 and that targets Docker installs. The threat actor behind the botnet used the new tool to hide the malicious process from process information programs such as `ps` and `lsof`and evading the detection. SecurityAffairs – hacking, malware).

Cryptocurrency 119

Cryptocurrency Cybercrime DNS Malware 119

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 138

IoT Firmware DNS Advertising 138

Security Affairs

DECEMBER 12, 2019

Experts pointed out that GALLIUM threat actors were using common versions of malware and publicly available tools with a few changes to evade detection. The operators leverage on low cost and easy to replace infrastructure using dynamic-DNS domains and regularly reused hop points. ” continues the analysis. Pierluigi Paganini.

Telecommunications 66

Telecommunications DNS Malware Advertising 66

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.

DNS 80

DNS Advertising Spyware Software 80

Security Affairs

JULY 23, 2019

The attackers demonstrated an increasing level of sophistication across the years, they used custom-malware and various exploits in their attacks. “Second, we identified a previously undocumented malware family with strong links to the Ke3chang group – a backdoor we named Okrum. ” reads the report published by ESET.

DNS 86

DNS Malware Advertising Manufacturing 86

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 143

Healthcare Ransomware Cybercrime Advertising 143

Security Affairs

AUGUST 27, 2019

Using compromised accounts, the threat actors send spearphishing emails with malicious Excel attachments to deliver the DanBot malware, which subsequently deploys post-intrusion tools.” The threat actors carried out spearphishing attacks using weaponized Excel attachments to deliver the DanBot malware. Pierluigi Paganini.

DNS 81

DNS Passwords Penetration Testing Social Engineering 81

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 64

DNS Advertising Firewall Mobile 64

Security Affairs

OCTOBER 16, 2020

.” reads the post published by Damian Menscher, a Security Reliability Engineer for Google Cloud. “The attacker used several networks to spoof 167 Mpps (millions of packets per second) to 180,000 exposed CLDAP, DNS, and SMTP servers, which would then send large responses to us.” Pierluigi Paganini.

DDOS 100

DDOS DNS Advertising Engineering 100

Security Affairs

MAY 27, 2020

“Recently, our DNS data based threat monitoning system DNSmon flagged a suspicious domain pro.csocools.com. “We traced its family back to the ShuangQiang (double gun) campaign, in the past, this campaign has been exposed by multiple security vendors, but it has rvivied and come back with new methods and great force.”

Advertising 99

Advertising DNS Software Malware 99

Security Affairs

MAY 18, 2019

The vulnerable routers have remote access enabled by default, a gift for hackers that can perform a broad range of malicious activities, such as change DNS settings and deliver malware. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini. SecurityAffairs – LinkSys, Data leak).

Wireless 86

Wireless IoT DNS Advertising 86

Security Affairs

JULY 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 66

DNS Advertising Firewall Mobile 66

Security Affairs

OCTOBER 14, 2019

Security experts at ESET revealed that Winnti Group continues to update its arsenal, they observed that the China-linked APT group using a new modular Windows backdoor that they used to infect the servers of a high-profile Asian mobile hardware and software manufacturer. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

Manufacturing 78

Manufacturing Mobile Malware Software 78

Security Affairs

NOVEMBER 21, 2019

It allows users using web browsers to set up user accounts, Apache, DNS, file sharing and much more. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. SecurityAffairs – Roboto botnet , malware). Pierluigi Paganini.

DDOS 80

DDOS System Administration Advertising DNS 80

Security Affairs

JANUARY 16, 2021

Joker’s Stash is one of the most longevous carding websites, it was launched in October 2014 and is very popular in the cybercrime underground due to the freshness of its cards and their validity. The sized sites were at jstash.bazar, jstash.lib, jstash.emc, and jstash.coin, which are all those accessible via blockchain DNS.

Cybercrime 75

Cybercrime DNS Hacking Marketing 75

Security Affairs

OCTOBER 12, 2019

The new loader is able to drop the malware directly in memory, it was dubbed BOOSTWRITE and allows threat actors to load several malicious codes, including the Carbanak backdoor. In March, the group carried out attacks delivering a previously unseen malware tracked as SQLRat that drops files and executes SQL scripts on the host.

Identity Theft 75

Identity Theft Hacking Advertising DNS 75

Security Affairs

SEPTEMBER 8, 2019

Some Zyxel devices can be hacked via DNS requests. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. The post Security Affairs newsletter Round 230 appeared first on Security Affairs. Pierluigi Paganini.

IoT 74

IoT Data breaches DNS Advertising 74

Security Affairs

AUGUST 7, 2019

OilRig Description : According to MITRE , OilRig is a threat group with suspected Iranian origins that has targeted Middle Eastern and international victims since at least 2014. T1388) , from group_b to group_d time frames OilRig used real Compromised User Accountsextracted by Malware (rif. Exploit Technique Over Time.

Computers and Electronics 80

Computers and Electronics Penetration Testing DNS Phishing 80

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 74

Internet Internet Telecommunications DNS 74

Security Affairs

JULY 30, 2019

An attacker can intercept the TCP connection in different ways, for example using DNS changer malware, targeting DNS servers and carrying out Man-in-The-Middle attacks. Armis reported the flaws to Wind River Systems, which are already released security patches and informed the impacted security vendors.

Risk 71

Risk IoT Firewall DNS 71

Security Affairs

FEBRUARY 14, 2021

Joker’s Stash is one of the most longevous carding websites, it was launched in October 2014 and is very popular in the cybercrime underground due to the freshness of its cards and their validity. The sized sites were at jstash.bazar, jstash.lib, jstash.emc, and jstash.coin, which are all those accessible via blockchain DNS.

Cybercrime 97

Cybercrime Backups Hacking DNS 97