Security Affairs

JUNE 11, 2022

Iran-linked Lyceum APT group uses a new.NET-based DNS backdoor to target organizations in the energy and telecommunication sectors. The Iran-linked Lyceum APT group, aka Hexane or Spilrin, used a new.NET-based DNS backdoor in a campaign aimed at companies in the energy and telecommunication sectors, ZScaler researchers warn.

DNS 144

DNS Telecommunications Malware Phishing 144

Security Affairs

MARCH 17, 2022

Researchers uncovered a new Linux botnet, tracked as B1txor20, that exploits the Log4J vulnerability and DNS tunnel. The malware was first spotted on February 9, 2022, when 360Netlab’s honeypot system captured an unknown ELF file that was spreading by exploiting the Log4J vulnerability. SecurityAffairs – hacking, B1txor20).

DNS 130

DNS Malware Technology Encryption 130

Krebs on Security

JUNE 21, 2023

If you operate a cybercrime business that relies on disseminating malicious software, you probably also spend a good deal of time trying to disguise or “crypt” your malware so that it appears benign to antivirus and security products. This story explores the history and identity behind Cryptor[.]biz WHO RUNS CRYPTOR[.]BIZ?

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Malware Antivirus Cybercrime Hacking 219

Security Affairs

DECEMBER 3, 2023

Threat actors are using the Agent Raccoon malware in attacks against organizations in the Middle East, Africa and the U.S. The malware was used in attacks against multiple industries, including education, real estate, retail, non-profit organizations, telecom companies, and governments. telemetry. .

Malware 127

Malware DNS Retail Education 127

Security Affairs

APRIL 18, 2019

Iran-linked APT group OilRig is heavily leveraging on DNS tunneling for its cyber espionage campaigns, Palo Alto Networks reveals. Security researchers at Palo Alto Networks reported that Iran-linked APT group OilRig is heavily leveraging on DNS tunneling for its cyber espionage campaigns, Palo Alto Networks reveals.

DNS 82

DNS Malware Advertising Hacking 82

Security Affairs

APRIL 11, 2024

Microsoft addressed two zero-day vulnerabilities (CVE-2024-29988 and CVE-2024-26234) actively exploited by threat actors to deliver malware Microsoft addressed two zero-day vulnerabilities, tracked as CVE-2024-29988 and CVE-2024-26234, that threat actors are exploiting to deliver malware.

Malware 114

Malware DNS Mobile Software 114

Security Affairs

MAY 1, 2023

Infoblox researchers discovered a new sophisticated malware toolkit, dubbed Decoy Dog, targeting enterprise networks. While analyzing billions of DNS records, Infoblox researchers discovered a sophisticated malware toolkit, dubbed Decoy Dog, that was employed in attacks aimed at enterprise networks. ” concludes the report.

Malware 74

Malware DNS Education Media 74

Krebs on Security

SEPTEMBER 1, 2021

Over the past 15 years, a cybercrime anonymity service known as VIP72 has enabled countless fraudsters to mask their true location online by routing their traffic through millions of malware-infected systems. Between 2003 and 2006, Corpse focused on selling and supporting his Haxdoor malware. Image: Google Translate via Archive.org.

Malware 288

Malware Cybercrime Internet Internet 288

Krebs on Security

MARCH 28, 2021

New data suggests someone has compromised more than 21,000 Microsoft Exchange Server email systems worldwide and infected them with malware that invokes both KrebsOnSecurity and Yours Truly by name. I’d been doxed via DNS. Further reading: A Basic Timeline of the Exchange Mass-Hack. krebsonsecurity[.]top

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Hacking Cybercrime DNS Antivirus 352

Krebs on Security

FEBRUARY 26, 2023

Web hosting giant GoDaddy made headlines this month when it disclosed that a multi-year breach allowed intruders to steal company source code, siphon customer and employee login credentials, and foist malware on customer websites. But we do know the March 2020 attack was precipitated by a spear-phishing attack against a GoDaddy employee.

Hacking 268

Hacking Social Engineering Phishing Scams 268

Security Affairs

MARCH 3, 2024

The researchers observed the malware trying to contact a Taiwan-based public DNS resolver with the IP address 168.95.1[.]1. The researchers observed the malware initiating a DNS query to resolve the domain download.vmfare[.]com com by using the public DNS resolver at 168.95[.]1.1. ” concludes the report.

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DNS Malware Encryption Hacking 119

Security Affairs

JANUARY 16, 2023

Expert discovered that the T95 Android TV box, available for sale on Amazon and AliExpress, came with sophisticated pre-installed malware. Security researcher, Daniel Milisic, discovered that the T95 Android TV box he purchased on Amazon was infected with sophisticated pre-installed malware. ” the expert wrote on Reddit.

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Malware Firmware DNS Internet 96

Security Affairs

MAY 1, 2021

The Internet Systems Consortium (ISC) released updates for the BIND DNS software to patch several denial-of-service (DoS) and potential RCE flaws. SecurityAffairs – hacking, BIND). The post Flaws in the BIND software expose DNS servers to attacks appeared first on Security Affairs. Pierluigi Paganini.

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DNS Software Internet Internet 126

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. ” states the analysis. ” states the analysis. Pierluigi Paganini.

DNS 81

DNS Malware Advertising DDOS 81

Security Affairs

AUGUST 31, 2022

A malware campaign tracked as GO#WEBBFUSCATOR used an image taken from NASA’s James Webb Space Telescope (JWST) as a lure. Securonix Threat researchers uncovered a persistent Golang-based malware campaign tracked as GO#WEBBFUSCATOR that leveraged the deep field image taken from the James Webb telescope. Pierluigi Paganini.

Malware 82

Malware DNS Antivirus Encryption 82

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. com , a malware-based proxy network that has been in existence since at least 2010. Image: Spur.us.

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Malware Cybercrime Internet Internet 256

Security Affairs

JUNE 9, 2022

Researchers uncovered a high stealth Linux malware, dubbed Symbiote, that could be used to backdoor infected systems. Once the malware has infected all the running processes, it provides the threat actor with rootkit capability and supports data-stealing capabilities. “Symbiote is a malware that is highly evasive.

Malware 144

Malware DNS Antivirus Passwords 144

Fox IT

AUGUST 11, 2022

A recently uncovered malware sample dubbed ‘Saitama’ was uncovered by security firm Malwarebytes in a weaponized document, possibly targeted towards the Jordan government. This Saitama implant uses DNS as its sole Command and Control channel and utilizes long sleep times and (sub)domain randomization to evade detection. Introduction.

DNS 66

DNS Engineering Malware Encryption 66

Security Affairs

JULY 17, 2020

US DHS CISA urges government agencies to patch SIGRed Windows Server DNS vulnerability within 24h due to the likelihood of the issue being exploited. The SigRed flaw was discovered by Check Point researcher Sagi Tzaik and impacts Microsoft Windows DNS. reads the analysis published by CheckPoint. ” states Krebs.

DNS 101

DNS Government Advertising Engineering 101

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.”

DNS 61

DNS Advertising Malware Hacking 61

Krebs on Security

MARCH 9, 2021

Ten of these earned Microsoft’s “critical” rating, meaning they can be exploited by malware or miscreants with little or no help from users. All five of the DNS bugs quashed in today’s patch batch earned a CVSS Score (danger metric) of 9.8 — almost as bad as it gets.

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DNS Internet Internet Software 317

Malwarebytes

JUNE 30, 2022

The threat actor can then use DNS hijacking and HTTP hijacking to cause the connected devices to install other malware. ZuoRAT looks like a heavily modified version of the Mirai malware. DNS hijacking. The post ZuoRAT is a sophisticated malware that mainly targets SOHO routers appeared first on Malwarebytes Labs.

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DNS Malware Small Business Firmware 90

Security Affairs

JUNE 28, 2022

The malware was designed to target routers from ASUS, Cisco, DrayTek, and NETGEAR. Experts speculate ZuoRAT is based on the Mirai malware, but it is a heavily modified version. The first component includes multiple functions that allow operators to collect network traffic on UDP, DNS and some TCP connections. Pierluigi Paganini.

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Malware DNS Hacking Technology 92

Security Affairs

MAY 11, 2023

Industrial and IoT cybersecurity firm Claroty disclosed technical details of five vulnerabilities that be exploited to hack some Netgear router models. “Team82 disclosed five vulnerabilities in NETGEAR’s Nighthawk RAX30 routers as part of its research and participation in last December’s Pwn2Own Toronto hacking competition.”

Hacking 95

Hacking Firmware Authentication DNS 95

Security Affairs

FEBRUARY 3, 2023

Such payloads are similar types of malware, which are developed by attackers to perform similar behavioral patterns.” ” One of the methods of getting the C2 IP address relies on the usage of legitimate third-party services, such as Telegram and cloudflare-dns[.]com. ” reads the alert published by the SCPC.

Malware 88

Malware Spyware DNS Government 88

Security Affairs

JANUARY 8, 2022

Researchers warn of new campaigns distributing a new improved version of the FluBot malware posing as Flash Player. Researchers from F5 security are warning of a new enhanced version of the FluBot Android malware that that spread posed as Flash Player. the malware communicates with the C2 server through DNS Tunneling over HTTPS. .

Malware 105

Malware DNS Banking Hacking 105

Webroot

MARCH 29, 2021

An endpoint DNS solution could have stopped the Trojanized Orion version by refusing to resolve the domain names of the command-and-control servers, again disrupting the infection to the point that no real damage could be done. DNS security solutions are one way of addressing this risk. The “next one” will look different.

Hacking 116

Hacking DNS Firewall Malware 116

Krebs on Security

MARCH 2, 2020

A large number of French critical infrastructure firms were hacked as part of an extended malware campaign that appears to have been orchestrated by at least one attacker based in Morocco, KrebsOnSecurity has learned.

DNS 258

DNS Penetration Testing Malware Hacking 258

Security Affairs

MARCH 10, 2020

Who is hacking the hackers? Experts from Cybereason a mysterious hackers group is targeting other hackers by spreading tainted hacking tools. Experts from security firm Cybereason warn of a mysterious group of hackers that are distributing trojanized hacking tools on an almost daily basis for the past years.

Hacking 117

Hacking Malware Advertising DNS 117

Security Affairs

SEPTEMBER 21, 2022

Russia-linked APT group Sandworm has been observed impersonating telecommunication providers to target Ukrainian entities with malware. Russia-linked cyberespionage group Sandworm has been observed impersonating telecommunication providers to target Ukrainian entities with malware. ” reads the report published by Recorded Future.

Malware 82

Malware Telecommunications DNS Hacking 82

eSecurity Planet

JULY 1, 2022

Security researchers have uncovered an unusually sophisticated malware that has been targeting small office/home office (SOHO) routers for nearly two years, taking advantage of the pandemic and rapid shift to remote work. State-Sponsored Hacking Campaign. Researchers believe ZuoRAT is a “heavily modified version of the Mirai malware.”

Malware 116

Malware DNS Antivirus Internet 116

Security Affairs

NOVEMBER 24, 2022

Researchers warn of an ongoing aggressive Qakbot malware campaign that leads to Black Basta ransomware infections in the US. Experts at the Cybereason Global SOC (GSOC) team have observed a surge in Qakbot infections as part of an ongoing aggressive Qakbot malware campaign that leads to Black Basta ransomware infections in the US.

Malware 85

Malware Ransomware DNS Phishing 85

SecureWorld News

MAY 16, 2024

Services include threat analysis reports, guidance on mitigating active threats, insights into nation-state hacking groups, and even direct assistance from the NSA's top cybersecurity experts during active intrusions or incident response. It's in NSA's and DoD's best interests to help."

Cybersecurity 67

Cybersecurity Small Business DNS Cyber threats 67

Malwarebytes

FEBRUARY 11, 2021

Birsan wondered if malware could be introduced to these projects by creating packages on the public npm repository that matched the names of these local dependencies. Getting the information to his own server from deep inside well-protected corporate networks posed yet another problem which was solved by using DNS exfiltration.

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Hacking DNS Unstructured Data Social Engineering 125

Krebs on Security

JANUARY 22, 2019

Large-scale spam campaigns often are conducted using newly-registered or hacked email addresses, and/or throwaway domains. Guilmette told KrebsOnSecurity he initially considered the possibility that GoDaddy had been hacked, or that thousands of the registrar’s customers perhaps had their GoDaddy usernames and passwords stolen.

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DNS Internet Internet Computers and Electronics 235

Security Affairs

MARCH 26, 2020

The number of Coronavirus-themed attacks continues to increase, crooks hijack D-Link and Linksys routers to redirect users to sites spreading COVID19-themed malware. Crooks continue to launch Coronavirus-themed attacks , experts observed hackers hijacking D-Link and Linksys routers to redirect users to COVID19-themed sites spreading malware.

Malware 78

Malware DNS Advertising Cryptocurrency 78

Security Affairs

APRIL 16, 2020

Linksys has reset passwords for all its customers’ after learning on ongoing DNS hijacking attacks aimed at delivering malware. Crooks continue to launch Coronavirus-themed attacks , in the last weeks, experts observed hackers hijacking D-Link and Linksys routers to redirect users to COVID19-themed sites spreading malware.

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Passwords DNS Malware Advertising 117