CyberSecurity Insiders

JANUARY 31, 2021

3: Not Just Encrypting Data, but Stealing Data to Extort. The common ransomware attack used to be focused on encrypting the victim’s data, then demanding a ransom to decrypt. The attack wouldn’t just encrypt all files in the corporate network, but also all the files in the backup repository. On the screen is the ransom note.

Ransomware 40

Ransomware Backups Encryption Healthcare 40

SecureList

MAY 17, 2021

It may also use social engineering to convince victims to download a smartphone app. Bizarro is distributed via MSI packages downloaded by victims from links in spam emails. Once launched, Bizarro downloads a ZIP archive from a compromised website. These images are stored in the user profile directory in an encrypted form.

Banking 139

Banking Social Engineering Malware Engineering 139

Security Affairs

APRIL 1, 2019

They are not aiming servers with x32 or x64 architecture but the router devices that runs on Linux too.” On the MMD blog. is still possible to read “I am quite active in supporting the team members of this project, so recently almost everyday I reverse ELF files between 5-10 binaries. Figure 2: The C2 software for Linux DDoS.

DDOS 86

DDOS Malware Encryption Penetration Testing 86

Security Affairs

DECEMBER 20, 2018

N051118 ), where the malicious payload was dropped abusing a macro-enabled word document able to download the malicious DLL paylaod. The malware tries to connect to the remote host 149.154.157.104 (EDIS-IT IT) through an encrypted SSL channel, then it downloads other components and deletes itself from the filesystem.

Banking 76

Banking Malware Internet Internet 76

McAfee

DECEMBER 22, 2021

This string can force the vulnerable system to download and run a malicious script from the attacker-controlled system, which would allow them to effectively take over the vulnerable application or server. Attack Chain and Defensive Architecture. identify outbound communication attempts to known C2 domains through DNS or Web traffic.

Malware 98

Malware Risk Internet Internet 98

Vipre

JANUARY 22, 2021

Protect from malicious file downloads. Inspect binaries downloaded from the web for malicious behavior using techniques such as sandboxing (behavior-based) and malware scanning (signature-based). DNS Redirection is a great start, but must be supplemented by other technologies to be truly secure. Protect from malicious downloads.

DNS 40

DNS Architecture Encryption Malware 40

Cisco Security

AUGUST 29, 2022

25+ Years of Black Hat (and some DNS stats), by Alejo Calaoagan. Cisco is a Premium Partner of the Black Hat NOC , and is the Official Wired & Wireless Network Equipment, Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider of Black Hat. Umbrella DNS into NetWitness SIEM and Palo Alto Firewall .

DNS 79

DNS Wireless Malware Firewall 79

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. For example, hackers can use packet sniffers or a phishing link using a man-in-the-middle attack.

Network Security 84

Network Security Firewall Penetration Testing Encryption 84

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. Additional protection may be deployed using browser security, DNS security, or secure browsers to protect endpoints from malicious websites. Critical resources need additional protection.

Firewall 96

Firewall Network Security Penetration Testing Encryption 96

McAfee

SEPTEMBER 14, 2021

In particular, we saw the following hardcoded value that might be another payload being downloaded: sery.brushupdata.com/CE1BC21B4340FEC2B8663B69. The PlugX families we observed used DNS [ T1071.001 ] [ T1071.004 ] as the transport channel for C2 traffic, in particular TXT queries. Application layer protocol: DNS. Windows NT 6.3;

Malware 144

Malware DNS Accountability Manufacturing 144

eSecurity Planet

DECEMBER 15, 2021

SWGs achieve this by blocking web-based attacks that forward malware, phishing , drive-by downloads, ransomware, supply chain attacks , and command-and-control actions. Other features ensure that organizations adapt to emerging requirements like social-network regulation, remote filtering, and visibility into SSL-encrypted traffic.

Digital transformation 79

Digital transformation Engineering Internet Internet 79

Security Boulevard

JUNE 15, 2023

Enter Mystic Stealer, a fresh stealer lurking in the cyber sphere, noted for its data theft capabilities, obfuscation, and an encrypted binary protocol to enable it to stay under the radar and evade defenses. Loader refers to the ability to download and execute additional malware payloads. Polymorphic string obfuscation.

Cryptocurrency 52

Cryptocurrency Password Management Malware DNS 52

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. It then downloads and installs the miner. Ransomware encrypting virtual hard disks. macOS developments.

Malware 94

Malware Adware Encryption Architecture 94

Cisco Security

DECEMBER 14, 2022

release delivers more features to the three key outcomes: see and detect more threats faster in an increasingly encrypted environment, simplify operations, and lower the TCO of our security solution. Further enhancements to Cisco’s Encrypted Visibility Engine (EVE), first launched a year ago in 7.1, See More – Detect Faster.

Firewall 139

Firewall VPN Encryption DNS 139

Cisco Security

AUGUST 28, 2023

XDR (eXtended Detection and Response) Integrations At Black Hat USA 2023, Cisco Secure was the official Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider. It was humorous to see the number of Windows update files that were downloaded at this premier cybersecurity conference.

Wireless 63

Wireless DNS Mobile Technology 63

SecureList

OCTOBER 19, 2021

Over the years, Trickbot has acquired dozens of auxiliary modules that steal credentials and sensitive information, spread it over the local network using stolen credentials and vulnerabilities, provide remote access, proxy network traffic, perform brute-force attacks and download other malware. This module is a simple downloader.

Banking 136

Banking Passwords VPN Internet 136

eSecurity Planet

JUNE 6, 2022

The economics of 5G require a new software-based architecture such as SASE to automate the deployment, provisioning, and operations at scale. Single-pass parallel processing architecture is available. Encrypted tunneling is available via private or public gateways, placed locally for low-latency secure connections.

Firewall 105

Firewall Architecture Technology Encryption 105

Security Affairs

DECEMBER 20, 2019

For this reason, we decided to dig into this piece of malware and figure out its inner secrets, uncovering a modular architecture with advanced offensive capabilities, such as the presence of functionalities able to deal with multi-factor authentication (MFA). The “Dns” Plugin. The DnsPlugin handles the machine’s DNS configuration.

Malware 60

Malware DNS Architecture Advertising 60

Cisco Security

AUGUST 26, 2022

This new integration supports Umbrella proxy, cloud firewall, IP, and DNS logs. It can read the full identity database and can update registered ASA firewalls in Full Download mode. They include various items like DKIM key inspections, DNS Resource Records and more. Using pxGrid v2.0, Read more here. Read more here.

Firewall 120

Firewall Authentication Passwords Threat Detection 120

Security Boulevard

JANUARY 20, 2022

Overlap of Passive DNS resolution of domain observed on current attack infrastructure with the IP used by Molerats APT group in the past. The main function of the binary is the standard ConfuserEx function which is responsible for loading the runtime module "koi'' that is stored in encrypted form using a byte array. Attack flow.

Accountability 118

Accountability DNS Phishing Architecture 118