Krebs on Security

FEBRUARY 24, 2023

The Mylobot malware includes more than 1,000 hard-coded and encrypted domain names, any one of which can be registered and used as control networks for the infected hosts. BitSight researchers found significant overlap in the Internet addresses used by those domains and a domain called BHproxies[.]com. The website BHProxies[.]com

Accountability 226

Accountability Advertising Marketing Malware 226

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. 8, 10.0.0.0/8, 8, 100.64.0.0/10,

Malware 107

Malware DNS Encryption Cryptocurrency 107

Troy Hunt

SEPTEMBER 17, 2020

I want a "secure by default" internet with all the things encrypted all the time such that people can move freely between networks without ever needing to care about who manages them or what they're doing with them. Now let's try the mobile app: What's the encryption story there? " It means "this is private."

VPN 359

VPN Phishing DNS Encryption 359

Security Affairs

MARCH 4, 2019

Necurs botnet is currently the second largest spam botnet , it has been active since at least 2012 and was involved in massive campaigns spreading malware such as the Locky ransomware , the Scarab ransomware , and the Dridex banking Trojan. Instead, the real IP address of the C2 is obfuscated with what is essentially an encryption algorithm.

DNS 81

DNS Banking Advertising Ransomware 81

SecureList

JUNE 2, 2022

In one case we investigated, we noticed that a signed executable qgametool.exe (MD5 f756083b62ba45dcc6a4d2d2727780e4 ), compiled in 2012, deployed WinDealer on a target machine. Layout of the encrypted data. Packets exchanged with the C2 server contain a header (described in the next table) followed by AES-encrypted data.

Malware 113

Malware Encryption Social Engineering Telecommunications 113

SecureList

JULY 28, 2021

It is linked to a vulnerability in DNS resolvers that allows amplification attacks on authoritative DNS servers. Attacks on DNS servers are dangerous because all the resources they serve become unavailable, regardless of their size and level of DDoS protection. The bug was named TsuNAME.

DDOS 131

DDOS DNS IoT Marketing 131

eSecurity Planet

FEBRUARY 8, 2021

Don Duncan, security engineer at NuData Security, told eSecurity Planet by email that POS systems are often dangerously easy to penetrate with malware , including the following (among many others): Dexter was discovered by Seculert (now Radware) researchers in 2012. vSkimmer malware, a successor to Dexter, dates back to 2013. Errors to avoid.

Retail 52

Retail Encryption Malware Artificial Intelligence 52