Remove 2017 Remove DNS Remove Encryption Remove Internet
article thumbnail

StripedFly: Perennially flying under the radar

SecureList

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. Subsequent analysis revealed earlier instances of suspicious code dating back to 2017.

Malware 107
article thumbnail

How to Prevent DNS Attacks: DNS Security Best Practices

eSecurity Planet

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

DNS 111
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Who’s Behind the Botnet-Based Service BHProxies?

Krebs on Security

First identified in 2017 by the security firm Deep Instinct , Mylobot employs a number of fairly sophisticated methods to remain undetected on infected hosts, such as running exclusively in the computer’s temporary memory, and waiting 14 days before attempting to contact the botnet’s command and control servers. com on Mar.

article thumbnail

Necurs Botnet adopts a new strategy to evade detection

Security Affairs

The Necurs botnet was not active for a long period at the beginning of 2017 and resumed its activity in April 2017 when it was observed using a new technique to avoid detection. Instead, the real IP address of the C2 is obfuscated with what is essentially an encryption algorithm. ” concludes the post.

DNS 82
article thumbnail

Abusing cloud services to fly under the radar

Fox IT

These credentials are used in a credential stuffing or password spraying attack against the victim’s remote services, such as webmail or other internet reachable mail services. The earliest and longest lasting intrusion by this threat we observed, was at a company in the semiconductors industry in Europe and started early Q4 2017.

VPN 68
article thumbnail

Alleged Iran-linked APT groups behind global DNS Hijacking campaign

Security Affairs

Security expert uncovered a DNS hijacking campaign targeting organizations in various industries worldwide and suspects Iranian APT groups. “ Experts monitored the activities of threat actors between January 2017 and January 2019. . “ Experts monitored the activities of threat actors between January 2017 and January 2019.

DNS 85
article thumbnail

The BlueNoroff cryptocurrency hunt is still on

SecureList

We opened the email on an offline system; if the system had been connected to the internet, there would be a real icon for a Google document loaded from a third-party tracking server that immediately notifies the attacker that the target opened the email. Instead, they can rely on regular macro-enabled documents or older exploits.