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ChamelDoH: New Linux Backdoor Utilizing DNS-over-HTTPS Tunneling for Covert CnC

The Hacker News

The malware, dubbed ChamelDoH by Stairwell, is a C++-based tool for communicating via DNS-over-HTTPS (DoH) tunneling. ChamelGang was first outed by Russian cybersecurity firm Positive Technologies in September 2021,

DNS 145
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Threat Hunting Anomalous DNS and LDAP Activity with Trend Rules

Security Boulevard

The recent Log4Shell (CVE-2021-44228) vulnerability is the impetus to creating this blog and discussing how you can use LogRhythm AI Engine (AIE) “Trend rules” to effectively detect anomalous behavior. This approach can likely be used in other technologies outside of….

DNS 52
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Black Hat USA 2021 Network Operations Center

Cisco Security

Cisco Secure returned as a supporting partner of the Black Hat USA 2021 Network Operations Center (NOC) for the 5 th year ; joining conference producer Informa Tech and its other security partners. Threat hunting is a core mission of the Cisco Secure team, while monitoring the DNS activity for potentially malicious activity.

DNS 137
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What Is DMARC Email Security Technology?

eSecurity Planet

DMARC builds upon the Sender Policy Framework (SPF) and the DomainKeys Identified Message (DKIM) technologies to add security and instructions for a specific domain. A DMARC policy is included in a DNS record for a given domain, enabling the sender to specify if messages are protected by SPF or DKIM. How Does DMARC Work?

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Akamai software update triggered a bug that took offline major sites

Security Affairs

Multiple major websites, including Steam, AWS, Amazon, Google, and Salesforce, went offline due to Akamai DNS global outage. A software configuration update triggered a bug in the Akamai DNS which took offline major websites, including Steam, the PlayStation Network, AWS, Google, and Salesforce. SecurityAffairs – hacking, DNS).

Software 122
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IT threat evolution Q3 2021

SecureList

IT threat evolution Q3 2021. IT threat evolution in Q3 2021. IT threat evolution in Q3 2021. While tracking this threat actor in spring 2021, we discovered a newer version. Targeted attacks exploiting CVE-2021-40444. PC statistics. Mobile statistics. Targeted attacks. WildPressure targets macOS.

Malware 101
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Security Roundup January 2021

BH Consulting

The report also found that the keys to achieving successful security programs are to refresh technology proactively rather than waiting for it to break. Having an integrated technology stack also helps with recruiting and retaining security teams. MORE Security strategy predictions for 2021, from SC Magazine. Links we liked.