Security Affairs

AUGUST 31, 2022

At the time of publication, this particular file is undetected by all antivirus vendors according to VirusTotal” The Base64 encoded payload, once decrypted, is a Windows 64-bit executable (1.7MB) called “msdllupdate.exe.”. “This technique works by sending an encrypted string appended to the DNS query set as a subdomain.

Malware 98

Malware DNS Antivirus Encryption 98

Security Affairs

DECEMBER 5, 2020

. “In strict accordance with DeathStalker’s traditions, the implant will try to evade detection or sandboxes execution with various tricks such as detecting mouse movements, filtering the client’s MAC addresses, and adapting its execution flow depending on detected antivirus products.”

DNS 120

DNS Phishing Encryption Antivirus 120

Security Affairs

OCTOBER 15, 2019

The malicious code is used by the hackers to deliver a Moner (XMR) crypto miner that is not detected by almost any antivirus solution. ” reads the analysis published by the security firm Anomaly. These records are accessed via normal DNS queries or DNS-over-HTTPs ( DoH ) if the DNS query fails.

Cybercrime 91

Cybercrime DNS Malware Advertising 91

Security Affairs

FEBRUARY 4, 2021

The Matryosh initially decrypts the remote hostname and uses the DNS TXT request to obtain TOR C2 and TOR proxy, then it connects with the TOR proxy. ” If you want to receive the weekly Security Affairs Newsletter for free subscribe here. ” concludes the post. ” concludes the post.

DDOS 138

DDOS DNS Antivirus Malware 138

Security Affairs

DECEMBER 19, 2022

The experts used passive DNS records to uncover Glupteba domains and hosts and analyzed the latest set of TLS certificates used by the bot to figure out the infrastructure used by the attackers. We also recommend monitoring DNS logs and keeping the antivirus software up to date to help prevent a potential Glupteba infection.”

DNS 109

DNS Antivirus Cryptocurrency Software 109

Security Affairs

JUNE 9, 2022

“Network telemetry can be used to detect anomalous DNS requests, and security tools such as antivirus and endpoint detection and response (EDR) should be statically linked to ensure they are not “infected” by userland rootkits.” ” concludes the report.

Malware 145

Malware DNS Antivirus Passwords 145

Security Affairs

FEBRUARY 21, 2021

PayPal addresses reflected XSS bug in user wallet currency converter The kingpin behind Jokers Stash retires with a billionaire exit France agency ANSSI links Russias Sandworm APT to attacks on hosting providers French and Ukrainian police arrested Egregor ransomware affiliates/partners in Ukraine The malicious code in SolarWinds attack was the work (..)

Data breaches 101

Data breaches DNS Firmware Antivirus 101

Security Affairs

DECEMBER 14, 2024

The malware remained undetected by VirusTotal antivirus engines as of December 2024. It employs DNS over HTTPS (DoH) to evade network monitoring tools and encrypts configurations with AES-256-CBC. The Iranian group claims to have compromised 200 gas stations in Israel and the U.S. d/S93InitSystemd.sh.

IoT 105

IoT Malware DNS Antivirus 105

Security Affairs

MARCH 20, 2022

EU and US agencies warn that Russia could attack satellite communications networks Avoslocker ransomware gang targets US critical infrastructure Crooks claims to have stolen 4TB of data from TransUnion South Africa Exotic Lily initial access broker works with Conti gang Emsisoft releases free decryptor for the victims of the Diavol ransomware China-linked (..)

DNS 98

DNS Antivirus DDOS Hacking 98

Security Affairs

MAY 8, 2022

Raspberry Robin spreads via removable USB devices Malware campaign hides a shellcode into Windows event logs US gov sanctions cryptocurrency mixer Blender also used by North Korea-linked Lazarus APT How the thriving fraud industry within Facebook attacks independent media QNAP fixes multiple flaws, including a QVR RCE vulnerability Anonymous and Ukraine (..)

IoT 98

IoT DNS Antivirus Malware 98

Security Affairs

DECEMBER 16, 2021

In these attacks, HAFNIUM-associated systems were observed using a DNS service typically associated with testing activity to fingerprint systems.” In addition, HAFNIUM, a threat actor group operating out of China, has been observed utilizing the vulnerability to attack virtualization infrastructure to extend their typical targeting.

Ransomware 108

Ransomware DNS Antivirus Hacking 108

Security Boulevard

FEBRUARY 7, 2024

Germany-based independent security evaluators AV-TEST found that HYAS Protect Protective DNS is the most effective operational resiliency solution on the market today to drive business continuity and continued operations. While businesses’ entire security stacks do matter, it’s impossible to stop all nefarious activity beforehand.

DNS 69

DNS Architecture Marketing Cyber threats 69

Security Affairs

OCTOBER 12, 2019

FIN7 has been observed making small changes to this malware family using multiple methods to avoid traditional antivirus detection, including a BOOSTWRITE sample where the dropper was signed by a valid Certificate Authority. The messages sent to the victims were also dropping the backdoor DNSbot that primarily operates over DNS traffic.

Identity Theft 103

Identity Theft Hacking Advertising DNS 103

eSecurity Planet

APRIL 26, 2024

Server: Provides powerful computing and storage in local, cloud, and data center networks to run services (Active Directory, DNS, email, databases, apps). Domain name system (DNS) security: Protects the DNS service from attempts to corrupt DNS information used to access websites or to intercept DNS requests.

Architecture 122

Architecture Network Security Firewall Risk 122

Security Affairs

JULY 7, 2019

Firefox finally addressed the Antivirus software TLS Errors. Godlua backdoor, the first malware that abuses the DNS over HTTPS (DoH). A cyberattack took offline websites of the Georgia agency. After 2 years under the radars, Ratsnif emerges in OceanLotus ops. Cyber Defense Magazine – July 2019 has arrived. Bangladesh Cyber Heist 2.0:

Scams 69

Scams Advertising Spyware DNS 69

Security Affairs

JULY 28, 2022

Researchers from threat intelligence firm RiskIQ, using passive DNS data related to Knotweed attacks, linked the C2 infrastructure used by the malware since February 2020 to DSIRF. Confirm that Microsoft Defender Antivirus is updated to security intelligence update 1.371.503.0 or later to detect the related indicators.

Surveillance 100

Surveillance Malware Authentication Accountability 100

Security Affairs

AUGUST 19, 2019

It involves DNS cache poisoning as it redirects users to a malicious site even if they enter the correct web address. Always look for HTTP secured web pages while entering your account details to save yourself from being the victim of pharming. Pharming is another fraudulent practice for getting illegal access to other person’s data.

Phishing 111

Phishing Accountability Authentication Passwords 111

Security Affairs

JUNE 4, 2019

Moreover, querying the services behind the latest associated DNS record the host responds with “403 Forbidden” message too, indicating the infrastructure may still be operative. Information about C2 and relative DNS. Indeed, the attacker has changed many time the domain names in the latest period.

Passwords 93

Passwords DNS Engineering Malware 93

SecureList

APRIL 24, 2023

Introduction We introduced Tomiris to the world in September 2021, following our investigation of a DNS-hijack against a government organization in the Commonwealth of Independent States (CIS). In the grander scheme of things, this investigation reveals the pitfalls that the information security industry faces when working on cyberattacks.

Malware 135

Malware DNS Government Software 135

eSecurity Planet

DECEMBER 3, 2021

Here are the top Twitter accounts to follow for the latest commentary, research, and much-needed humor in the ever-evolving information security space. Russian software engineer Eugene Kaspersky’s frustration with the malware of the 80s and 90s led to the founding of antivirus and cybersecurity vendor Kaspersky Lab.

Accountability 139

Accountability Cybersecurity Penetration Testing InfoSec 139