SecureList

MARCH 10, 2021

Back then, cybercriminals distributed malware under the guise of the Malwarebytes antivirus installer. After substituting the DNS servers, the malware starts updating itself by running update.exe with the argument self-upgrade (“C:Program Files (x86)AdShieldupdater.exe” -self-upgrade). Distributed under the name adshield[.]pro,

DNS 145

DNS Antivirus Malware Encryption 145

Krebs on Security

NOVEMBER 11, 2019

For instance, included in the Pastebin files from Orvis were plaintext usernames and passwords for just about every kind of online service or security product the company has used, including: -Antivirus engines. DNS controls. Encryption certificates. Data backup services. Multiple firewall products. Linux servers. Cisco routers.

Retail 233

Retail Passwords Wireless Backups 233

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 122

DNS Phishing Encryption Antivirus 122

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

Fox IT

AUGUST 11, 2022

This Saitama implant uses DNS as its sole Command and Control channel and utilizes long sleep times and (sub)domain randomization to evade detection. In May 2022, security firm Malwarebytes published a two 1 -part 2 blog about a malware sample that utilizes DNS as its sole channel for C2 communication. Introduction.

DNS 66

DNS Engineering Malware Encryption 66

Webroot

JUNE 21, 2021

It may be as simple as the deployment of antivirus plus backup and recovery applications for your end users, or a more complex approach with security operations center (SOC) tools or managed response solutions coupled with network security tools such as DNS and Web filtering, network and endpoint firewalls, VPNs, backup and recovery and others.

Backups 131

Backups DNS Ransomware Antivirus 131

Security Affairs

FEBRUARY 4, 2021

“The encryption algorithm implemented in this botnet and the process of obtaining C2 are nested in layers, like Russian nesting dolls.For this reason we named it Matryosh.” 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.

DDOS 139

DDOS DNS Antivirus Malware 139

Identity IQ

MARCH 9, 2023

Use a VPN A VPN encrypts your traffic with military-grade encryption. Change Your DNS Settings One way to protect your device from a fake hotspot is to change your DNS settings. You can do this by entering your network settings and changing the DNS server to one that is more trustworthy.

VPN 98

VPN Antivirus Identity Theft Passwords 98

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.

IoT 106

IoT Malware DNS Antivirus 106

SecureList

OCTOBER 25, 2023

It comes equipped with a built-in TOR network tunnel for communication with command servers, along with update and delivery functionality through trusted services such as GitLab, GitHub, and Bitbucket, all using custom encrypted archives. The malware executable file is placed in /tmp directory with a random name.

Malware 144

Malware DNS Encryption Ransomware 144

SecureWorld News

MARCH 29, 2024

Cybercriminals can then exploit the compromised device for various purposes, such as stealing personal information, conducting financial fraud, recruiting it into a botnet, or encrypting data and holding it for ransom. This interference is a major catalyst for double extortion that involves both a breach and data encryption.

Cybercrime 108

Cybercrime Advertising Engineering Antivirus 108

eSecurity Planet

MAY 2, 2024

50,000 DDoS attacks on public domain name service (DNS) resolvers. 553% increase in DNS Flood attacks from 1H 2020 to 2H 2023. DDoS attacks on single networks or websites render them unavailable, but DDoS attacks on DNS resolvers bring down all networks and websites using that DNS resource.

Cybersecurity 122

Cybersecurity DDOS Penetration Testing Passwords 122

eSecurity Planet

MAY 25, 2022

This equipment usually cannot be protected by antivirus solutions or device-specific firewalls. These solutions can, like antivirus software, use signature-based technology to identify known malware attacks, but many new IDS and IPS also incorporate anomaly-based algorithms often boosted by artificial intelligence (AI). IDS vs. IPS.

Firewall 110

Firewall Wireless Software Encryption 110

Security Affairs

OCTOBER 12, 2019

. “The first of FIN7’s new tools is BOOSTWRITE – an in-memory-only dropper that decrypts embedded payloads using an encryption key retrieved from a remote server at runtime. The messages sent to the victims were also dropping the backdoor DNSbot that primarily operates over DNS traffic. ” concludes the report.

Identity Theft 103

Identity Theft Hacking Advertising DNS 103

eSecurity Planet

SEPTEMBER 29, 2021

Adapt and update as malware continues to evolve and become more sophisticated to evade detection by antimalware/antivirus programs. Products range from antivirus protection that also picks up ransomware, to full security suites that bundle in AV, ransomware protection and a lot more. DNS filtering. Norton’s Key Features.

Ransomware 110

Ransomware VPN Backups Malware 110

eSecurity Planet

JUNE 8, 2023

It can be time consuming to establish these protocols on an organization’s DNS servers, but doing so will provide two key benefits. Email security tools offer features that screen emails for malicious content using antivirus, anti-spam, DNS, attachment, and other analytics.

Firewall 80

Firewall DNS Authentication Malware 80

SecureList

DECEMBER 1, 2023

For most implants, the threat actor uses similar implementations of DLL hijacking (often associated with ShadowPad malware) and memory injection techniques, along with the use of RC4 encryption to hide the payload and evade detection. libssl.dll or libcurl.dll was statically linked to implants to implement encrypted C2 communications.

Malware 137

Malware Ransomware Encryption Energy and Utilities 137

SecureList

JUNE 2, 2022

Layout of the encrypted data. Packets exchanged with the C2 server contain a header (described in the next table) followed by AES-encrypted data. Initial connection: the generated AES key and its CRC32, encrypted using RSA-2048 with a hardcoded public key. x33x44”). Description. Sample value (in hex). Unknown static value.

Malware 136

Malware Encryption Social Engineering Telecommunications 136

eSecurity Planet

MARCH 14, 2023

Encryption will regularly be used to protect the data from interception. In the broadest sense, defense in depth uses: Data security : protects data at rest and in transit such as encryption, database security, message security, etc. endpoint security (antivirus, Endpoint Detection and Response, etc.), for unauthorized access.

Network Security 98

Network Security Firewall Penetration Testing Encryption 98

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). Virtual private networks (VPNs): Secure remote user or branch office access to network resources through encrypted connections to firewalls or server applications.

Architecture 121

Architecture Network Security Firewall Risk 121

SecureList

MAY 31, 2021

We believe that the most significant aspect of the Ecipekac malware is that the encrypted shellcodes are inserted into digitally signed DLLs without affecting the validity of the digital signature. Ransomware encrypting virtual hard disks. When this technique is used, some security solutions cannot detect these implants.

Malware 139

Malware Adware Encryption Architecture 139

Fox IT

SEPTEMBER 25, 2024

Gone are the days of executing malicious binaries from disk, especially ones well known to antivirus and Endpoint Detection and Reponse (EDR) vendors. Originally, antivirus software focused strictly on true-positive detection of viruses on the basis of signatures and patterns in a program’s instructions.

Malware 138

Malware Engineering Encryption Antivirus 138

SecureList

MAY 17, 2021

Bizarro gathers the following information about the system on which it is running: Computer name; Operating system version; Default browser name; Installed antivirus software name. The first thing the backdoor does is remove the DNS cache by executing the ipconfig /flushdns command. Bizarro uses the ‘ Mozilla/4.0 Windows NT 5.0′

Banking 145

Banking Social Engineering Malware Engineering 145

eSecurity Planet

MARCH 22, 2023

Similarly, spoofed domain name system (DNS) and IP addresses can redirect users from legitimate connections to dangerous and malicious websites. Endpoint Security: Antivirus , anti-spyware , endpoint detection and response (EDR), and other controls should be deployed to secure the endpoint against compromise.

Firewall 110

Firewall Network Security Penetration Testing Encryption 110

eSecurity Planet

NOVEMBER 18, 2021

The Clearswift solution incorporates inbound threat protection (Avira, Sophos or Kaspersky antivirus ), an optional sandbox feature, data loss prevention technology to remove threats from messages and files, a multi-layer spam defence mechanism (including SPF, DKIM, DMARC), multiple encryption options, and advanced content filtering features.

Phishing 126

Phishing Malware Engineering Ransomware 126

Vipre

JANUARY 25, 2021

Thus, an antivirus is the most important security tool that everyone must have to protect themselves from viruses, malware, trojans, and similar cyber threats. Thus, an antivirus is the most important security tool that everyone must have to protect themselves from viruses, malware, trojans, and similar cyber threats. Ad Blockers.

Identity Theft 40

Identity Theft Backups VPN Antivirus 40

Security Boulevard

JANUARY 17, 2024

RBI solutions typically allow the configuration of file upload and download profiles, restricting the types of files that can be submitted or retrieved from websites based on multiple factors such as file extension, size, entropy/encryption of data, signatures, site reputation, and more. This can be due to encryption or even size.

DNS 64

DNS Penetration Testing Passwords Encryption 64

Security Boulevard

MARCH 3, 2023

MalVirt loaders use multiple techniques to evade detection by antivirus software, endpoint detection and response (EDR) software, and other common security tools. It generates encrypted traffic to multiple domains hosted on different IP addresses through different hosting companies. Next-gen protective DNS.

Phishing 59

Phishing DNS Malware Software 59

eSecurity Planet

SEPTEMBER 26, 2024

month Free Trial 7 days 30 days Supported Operating Systems Windows, Mac, Linux, Android, iOS Windows, Mac, Linux, Android, iOS Mobile Versions of VPN Yes Yes Encryption Used AES-256 AES-256 Camouflage Mode Yes No Visit SurfShark Visit ExpressVPN SurfShark and ExpressVPN scored well in my overall pricing and privacy posture analysis.

VPN 58

VPN Password Management Internet Internet 58

eSecurity Planet

FEBRUARY 8, 2021

UDPoS malware, only recently discovered by Forcepoint researchers, poses as a LogMeIn service pack and uses DNS requests to transfer stolen data to a command and control server. Point-to-point encryption: P2PE and tokenization, Miles said, are the one-two punch of an approach to card data security called data devaluation.

Retail 52

Retail Encryption Malware Artificial Intelligence 52

Security Boulevard

SEPTEMBER 4, 2024

StealC employs advanced evasion techniques to avoid detection by antivirus software, including encryption and anti-analysis methods. LockBit LockBit is a notorious ransomware strain that targets organizations by encrypting their data and demanding a ransom for decryption.

Malware 59

Malware Spyware Software Encryption 59

Security Boulevard

MAY 17, 2023

Most of these steps could’ve been blocked with the aid of DNS protection. It was an old strain that would normally be detected by most antivirus and endpoint detection and response (EDR) vendors. The process involves encryption and decryption prior to verifying transactions.

Data breaches 52

Data breaches DNS Malware Phishing 52

eSecurity Planet

SEPTEMBER 26, 2023

Physical appliances provide functionality for routing wide area networks (WANs), stateful firewalls, SD-WANs, NGFW, antivirus, intrusion prevention services (IPS), and unified threat management (UTM) capabilities for local networks.

Firewall 98

Firewall Software Internet Internet 98

eSecurity Planet

AUGUST 20, 2024

It provides a secure tunnel protecting user identity, encrypts data in transit, and extends the identity and security of the home network to remote users. Second, your traffic is encrypted and decrypted between points. Hackers are forever looking for vulnerabilities in protocols, network management and configuration, encryption, etc.

VPN 58

VPN Internet Internet Encryption 58

Security Boulevard

NOVEMBER 19, 2024

the length of this data is greater than 105 bytes, the code encrypts the data after this offset using the RC4 encryption algorithm (the encryption key is the first 12 bytes of the packet, which consists of the CRC32 of the username, Cookie value, and system’s timestamp). hard-coded integer value. EXE SHELL32.DLL,Control_RunDLL

Antivirus 52

Antivirus Encryption Firewall Malware 52

Fox IT

JUNE 2, 2020

Before proceeding to the technical analysis part, it is worth mentioning that the strings are not encrypted. Any received files from the command and control server are sent in an encrypted format. As with the previous Team9 loader variant, the command and control server sends back the binary files in an encrypted format.

Malware 48

Malware DNS Backups Architecture 48

SecureList

NOVEMBER 26, 2021

In June, more than six months after DarkHalo had gone dark, we observed the DNS hijacking of multiple government zones of a CIS member state that allowed the attacker to redirect traffic from government mail servers to computers under their control – probably achieved by obtaining credentials to the control panel of the victims’ registrar.

Malware 133

Malware Banking Energy and Utilities Accountability 133