Security Affairs

JANUARY 19, 2025

Stealthy Credit Card Skimmer Targets WordPress Checkout Pages via Database Injection Ransomware on ESXi: The mechanization of virtualized attacks FunkSec Alleged Top Ransomware Group Powered by AI Abusing AWS Native Services: Ransomware Encrypting S3 Buckets with SSE-C Malicious PyPI Package pycord-self Targets Discord Developers with Token Theft (..)

Malware 63

Malware Artificial Intelligence DNS Ransomware 63

Security Affairs

JANUARY 19, 2025

CISA adds Aviatrix Controllers vulnerability to its Known Exploited Vulnerabilities catalog ESET detailed a flaw that could allow a bypass of the Secure Boot in UEFI systems Russia-linked APT Star Blizzard targets WhatsApp accounts Prominent US law firm Wolf Haldenstein disclosed a data breach Clop Ransomware exploits Cleo File Transfer flaw: dozens (..)

Spyware 68

Spyware Data breaches DNS Artificial Intelligence 68

Security Affairs

MARCH 3, 2024

The recent sample of Linux variants of BIFROSE employes RC4 encryption to encrypt the collected victim data. The researchers observed the malware trying to contact a Taiwan-based public DNS resolver with the IP address 168.95.1[.]1. com by using the public DNS resolver at 168.95[.]1.1.

DNS 139

DNS Malware Encryption Hacking 139

Security Affairs

APRIL 24, 2024

Below the infection chain described by Avast: The eScan updater triggers the update The downloaded package file is replaced with a malicious one on the wire because of a missing HTTPS encryption (MitM is performed) A malicious package updll62.dlz GuptiMiner connects directly to malicious DNS servers, bypassing the DNS network entirely.

Antivirus 130

Antivirus Malware DNS Cryptocurrency 130

Security Affairs

JULY 15, 2024

An attacker can exploit the issue to obtain encrypted credentials stored in the configuration database, potentially leading to gaining access to the backup infrastructure hosts. Once data exfiltration was completed, the attackers deployed ransomware to encrypt the infected systems.

Backups 139

Backups Ransomware Antivirus DNS 139

Security Affairs

MAY 24, 2024

The use of Dynamic DNS (DDNS) services embedded in appliances can potentially expose data and devices to attacks. The use of Dynamic DNS (DDNS) services embedded in appliances, such as those provided by vendors like Fortinet or QNAP, carries cybersecurity implications. It increases the discoverability of customer devices by attackers.

DNS 135

DNS Manufacturing Firewall Internet 135

Krebs on Security

APRIL 4, 2024

Launched in 2008, privnote.com employs technology that encrypts each message so that even Privnote itself cannot read its contents. A review of the passive DNS records tied to this address shows that apart from subdomains dedicated to tornote[.]io, The real Privnote, at privnote.com. And it doesn’t send or receive messages.

Phishing 281

Phishing Cryptocurrency DDOS Internet 281

Security Affairs

JUNE 12, 2022

Ransomware gangs are exploiting CVE-2022-26134 RCE in Atlassian Confluence servers HID Mercury Access Controller flaws could allow to unlock Doors Iran-linked Lyceum APT adds a new.NET DNS Backdoor to its arsenal PACMAN, a new attack technique against Apple M1 CPUs Threat actors exploit recently disclosed Atlassian Confluence flaw in cryptomining campaign (..)

Ransomware 144

Ransomware DNS Cybercrime Hacking 144

Security Affairs

JANUARY 20, 2022

Diavol encrypts files solely using an RSA encryption key, and its code is capable of prioritizing file types to encrypt based on a pre-configured list of extensions defined by the attacker. Diavol is associated with developers from the Trickbot Group, who are responsible for the Trickbot Banking Trojan.

Ransomware 129

Ransomware Banking Malware Encryption 129

Security Affairs

JULY 5, 2024

Unique features include multiple DNS resolution methods, prioritizing DNS over HTTPS ( DoH ) for command and control (C2) resolution, and using the uncommon Smux library for C2 communication, encrypted via XOR The analysis revealed that Zergeca’s C2 IP address, 84[.]54.51.82, ” concludes.

DDOS 137

DDOS DNS Encryption Malware 137

Webroot

SEPTEMBER 7, 2023

Cybercrime is on the rise. billion to data breaches and cybercrime. billion to data breaches and cybercrime. Email encryption Companies rely on email to distribute important information, but when that information is confidential and sensitive, you need an encryption tool to protect it.

Encryption 122

Encryption Cyber Insurance Cybercrime Phishing 122

Security Affairs

NOVEMBER 5, 2021

It also deletes volume shadow service (VSS) snapshots from the server using vssadmin utility to make sure the encrypted files cannot be restored from their VSS copies. The ransomware module encrypts the files in the victim’s server and appends a file extension.babyk to the encrypted files.” Pierluigi Paganini.

Ransomware 145

Ransomware Backups Encryption DNS 145

Security Affairs

AUGUST 18, 2021

In July, researchers from Fortinet reported that a new ransomware family, tracked as Diavol, might have been developed by Wizard Spider , the cybercrime gang behind the TrickBot botnet. Anchor DNS ), except for the username field. SecurityAffairs – hacking, cybercrime). reads the analysis published by Fortinet.

Ransomware 103

Ransomware DNS Cybercrime Malware 103

Security Affairs

FEBRUARY 18, 2024

Datacenter Proxies: Choosing the Right Option CISA adds Roundcube Webmail Persistent XSS bug to its Known Exploited Vulnerabilities catalog Canada Gov plans to ban the Flipper Zero to curb car thefts ExpressVPN leaked DNS requests due to a bug in the split tunneling feature 9 Possible Ways Hackers Can Use Public Wi-Fi to Steal Your Sensitive Data US (..)

Cybercrime 130

Cybercrime Ransomware Malware Data breaches 130

Security Affairs

FEBRUARY 5, 2021

In January 2021, the cybercrime gang launched a new campaign targeting Kubernetes environments with the Hildegard malware, Palo Alto Networks warns. The malicious code also leverages other techniques to avoid detection, for example it modifies the system DNS resolvers and uses Google’s public DNS servers to bypass DNS monitoring tools.

Malware 118

Malware DNS Cryptocurrency Internet 118

Security Affairs

AUGUST 31, 2022

Once executed, the malware makes unique DNS connections, experts determined that the binary was leveraging a DNS data exfiltration technique by sending unique DNS queries to a target C2 DNS server. “This technique works by sending an encrypted string appended to the DNS query set as a subdomain.

Malware 98

Malware DNS Antivirus Encryption 98

CyberSecurity Insiders

MARCH 21, 2021

With a VPN like Surfshark to encrypt your online traffic and keep it protected against any security breach, your valuable data isn’t going to get compromised easily anytime soon. Cloud storage solutions are scalable and have the highest standards of data security and encryption protocols. Protecting your data is very simple.

Small Business 145

Small Business Cyber Attacks VPN Backups 145

Cisco Security

JULY 22, 2021

Certainly not a new form of cybercrime, but one that has dominated mainstream headlines in recent months. At a basic level, it’s a form of malware where attackers steal, encrypt, and hold ransom an organization’s business-critical data unless the organization pays a sum of money to restore access to and decrypt their data. Ransomware.

Ransomware 145

Ransomware DNS Authentication Cybercrime 145

Security Affairs

JANUARY 29, 2023

If you want to also receive for free the newsletter with the international press subscribe here.

DNS 98

DNS Data breaches Hacking Backups 98

Security Affairs

AUGUST 8, 2018

We named this botnet “Black” due to the RC4 key value, “black”, that is used for traffic encryption in this botnet.” Ngioweb represents a multifunctional proxy server which uses its own binary protocol with two layers of encryption,” continues the analysis published by Checkpoint. Security Affairs – cybercrime, Ramnit botnet).

Malware 73

Malware DNS Encryption Banking 73

Identity IQ

MARCH 9, 2023

As a result, vulnerability to cybercrime is a serious concern. 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. Can Hackers Create Fake Hotspots? A VPN also hides your IP address.

VPN 98

VPN Antivirus Identity Theft Passwords 98

Security Affairs

SEPTEMBER 25, 2022

Every week the best security articles from Security Affairs free for you in your email box. If you want to also receive for free the newsletter with the international press subscribe here. gov adds more Chinese Telecom firms to the Covered List Imperva blocked a record DDoS attack with 25.3

Cryptocurrency 100

Cryptocurrency Data breaches DNS DDOS 100

Security Affairs

MAY 6, 2023

Twitter confirmed that a security incident publicly exposed Circle tweets FBI seized other domains used by the shadow eBook library Z-Library WordPress Advanced Custom Fields plugin XSS exposes +2M sites to attacks Fortinet fixed two severe issues in FortiADC and FortiOS Pro-Russia group NoName took down multiple France sites, including the French (..)

Data breaches 98

Data breaches Malware Mobile Spyware 98

Security Affairs

OCTOBER 12, 2019

In August 2018, three members of the notorious cybercrime gang have been indicted and charged with 26 felony counts of conspiracy, wire fraud, computer hacking, access device fraud and aggravated identity theft. 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

Security Affairs

MARCH 4, 2019

Instead, the real IP address of the C2 is obfuscated with what is essentially an encryption algorithm. Experts pointed out that DGA is a double-edged sword because allows security researchers to analyze DNS and network traffic to enumerate bots. The bot will then ‘decrypt’ the obfuscated IP address and contact the new C2.

DNS 106

DNS Banking Advertising Ransomware 106

eSecurity Planet

APRIL 24, 2023

Cybercrime has skyrocketed in the last few years, and the websites of small and medium-sized companies have been the most frequent target of web attacks. SSL Certificates for data encryption The S at the end of an HTTP connection indicates a Secure Sockets Layer (SSL).

Backups 97

Backups Cybercrime Authentication Accountability 97

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

Security Affairs

AUGUST 29, 2023

The attackers obtained encrypted passwords from NetScaler ADC configuration files, and the decryption key was stored on the ADC appliance. The attackers attempted to verify outbound network connectivity with a ping command and executed host commands for a subnet-wide DNS lookup. Network-segmentation controls blocked this activity too.

VPN 124

VPN Ransomware DNS Malware 124

eSecurity Planet

AUGUST 13, 2021

As cybercrime flourishes and evolves, organizations need a fleet of tools to defend and investigate incidents. Be it advanced locks, encryption barriers, or deleted and unknown content, the UFED (Universal Forensic Extraction Device) can extract physical and logical data.

Software 139

Software Computers and Electronics Marketing Mobile 139

Security Affairs

AUGUST 20, 2019

Group-IB has limited some of the data in the reports that could hinder investigations into the group’s cybercrimes. The Trojan is used during the lateral movement stage and is designed to control compromised systems by performing tasks through the command shell and tunneling traffic using the DNS protocol. Silence going global.

Banking 87

Banking Cybercrime Advertising Cybersecurity 87

Security Boulevard

JUNE 14, 2023

That’s essentially the hackers’ mechanism for exploring the target environment, advancing the attack, stealing data and potentially encrypting it to hold the target for ransom. It’s the infrastructure of cybercrime; the infrastructure they use on the internet to deliver instructions. HYAS Protect is for the corporate environment.

DNS 101

DNS Malware Financial Services Architecture 101

SecureList

DECEMBER 2, 2022

Onyphe ), passive DNS databases, public sandbox reports, etc. This scenario is popular for a number of reasons: SIEM records multiple types of logs, meaning we can match the same IOC with multiple log types, e.g., domain name with DNS requests, those received from corporate DNS servers, and requested URLs obtained from the proxy.

Cyber threats 130

Cyber threats DNS Engineering Data collection 130

Security Affairs

APRIL 1, 2019

But if we go on the Akamai blog we can still find a reference to Elknot posted on April 4, 2016 on a topic referred to “ BillGates ”, another DDoS malware whose “ attack vectors available within the toolkit include: ICMP flood, TCP flood, UDP flood, SYN flood, HTTP Flood (Layer7) and DNS reflection floods.

DDOS 110

DDOS Malware Encryption Penetration Testing 110

Security Affairs

JULY 11, 2022

Operators can easily make this configuration through an interface that uses the CloudFlare API for configuring new DNS zones. As observed, criminals are using the Let’s Encrypt CA to create valid HTTPs certificates. The ANUBIS network phishing campaigns are masked through the Cloudflare CDN. The Phishing template.

Phishing 102

Phishing Social Engineering Banking Engineering 102

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. “This type of poor security practice should be avoided at all costs, as it exposes the company to easily become a victim of cybercrime.”

Retail 52

Retail Encryption Malware Artificial Intelligence 52

Security Boulevard

MAY 17, 2023

Most of these steps could’ve been blocked with the aid of DNS protection. With cybercrime at record levels, businesses are on guard against a constantly growing number and variety of threats. The process involves encryption and decryption prior to verifying transactions.

Data breaches 52

Data breaches DNS Malware Phishing 52

Vipre

JANUARY 25, 2021

A VPN or Virtual Private Network routes your internet traffic through an encrypted server by creating an encrypted tunnel between your device and a third-party server. DNS ad blockers are a new breed of ad blockers that use DNS to effectively block ads. Ad Blockers.

Identity Theft 40

Identity Theft Backups VPN Antivirus 40