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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
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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. TLS and HTTPS inherently create secured and encrypted sessions for communication.

DNS 103
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China-Linked APT15 group is using a previously undocumented backdoor

Security Affairs

The backdoor was used in attacks on targeted diplomatic missions in Slovakia, Belgium, Chile, Guatemala and Brazil throughout 2017. We first detected Okrum, through ESET telemetry, in December 2016; it targeted diplomatic missions in Slovakia, Belgium, Chile, Guatemala and Brazil throughout 2017.” ” continues the report.

DNS 86
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InvisiMole group targets military sector and diplomatic missions in Eastern Europe

Security Affairs

They use DNS tunneling for stealthier C&C communications, and place execution guardrails on the malicious components to hide the malware from security researchers.” Experts also observed attackers using a DNS downloader that was designed for long-term, covert access to the target machine.

DNS 81
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IT threat evolution Q3 2023

SecureList

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 91
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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.

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Quad9 to move offices to Switzerland, invites other privacy-focused firms to follow

SC Magazine

.” Quad9 is a non-profit offering a free recursive DNS service that does not log user data. It offers additional privacy and security features, including screening for malicious domains and encryption. and Google Public DNS. Other alternatives in the same space include Cloudflare’s 1.1.1.1

DNS 96