SecureList

DECEMBER 1, 2023

Upon startup, this backdoor makes a type A DNS request for the <hex-encoded 20-byte string> u.fdmpkg[.]org After parsing the response to the DNS request, the backdoor launches a reverse shell, using the secondary C2 server for communications. LokiBot first surfaced in 2016 and remains active today. org domain.

Malware 90

Malware Ransomware Encryption Energy and Utilities 90

Fox IT

JANUARY 12, 2021

Besides using the Cobalt Strike beacon, the adversary also searches for VPN and firewall configs, possibly to function as a backup access into the network. The tool was shared on a Chinese forum around 2016. We observed the use of Cobalt Strike’s C2 protocol encapsulated in DNS by the adversary in 2017 and 2018.

VPN 68

VPN Accountability Passwords DNS 68

SecureList

JANUARY 13, 2022

BlueNoroff is the name of an APT group coined by Kaspersky researchers while investigating the notorious attack on Bangladesh’s Central Bank back in 2016. domainhost.dynamic-dns[.]net. domainhost.dynamic-dns[.]net. A mysterious group with links to Lazarus and an unusual financial motivation for an APT. abiesvc.jp[.]net.

Cryptocurrency 125

Cryptocurrency Malware Accountability Banking 125

McAfee

SEPTEMBER 14, 2021

The PlugX families we observed used DNS [ T1071.001 ] [ T1071.004 ] as the transport channel for C2 traffic, in particular TXT queries. Another clue that helped us was the use of DNS tunneling by Winnti which we discovered traces of in memory. The hardcoded 208.67.222.222 resolves to a legitimate OpenDNS DNS server.

Malware 144

Malware DNS Accountability Manufacturing 144

Security Boulevard

AUGUST 12, 2022

The CA will issue challenges (DNS or HTTPS) requiring the agent to take an action that demonstrates control over said domain(s). In addition, ACME can make the process of choosing a backup CA a fairly easy one. For that reason, having a backup CA is always a good idea,” he explains in a blog of his. .

Encryption 52

Encryption DNS Backups Internet 52

SecureList

APRIL 24, 2023

Introduction We introduced Tomiris to the world in September 2021, following our investigation of a DNS-hijack against a government organization in the Commonwealth of Independent States (CIS). KopiLuwak has belonged to Turla Kaspersky first reported on KopiLuwak in 2016. What are the possible explanations for this?

Malware 88

Malware DNS Government Software 88

eSecurity Planet

MARCH 25, 2022

Between 2016 and 2018, the malware strain SamSam made brute force RDP attacks an integral part of its attacks on several public organizations. Other cybersecurity tools offered include DNS filtering, disk encryption , backups , and email security for Microsoft-oriented infrastructure.

VPN 120

VPN Software Authentication Encryption 120

CyberSecurity Insiders

JUNE 21, 2021

From the DYN DNS attack of 2016 to more recent attacks, such as the ransomware attack against IT service provider Cognizant , every day, the news is teeming with new events that should give any business owner pause. If you only take snapshots or backups of your data every twelve hours, then your RPO can only reflect that last backup.

Backups 85

Backups Risk DNS Cybersecurity 85

ForAllSecure

APRIL 19, 2023

I first met Dan when he was literally saving the world; okay, at least saving the internet as we know it today by disclosing to the major ISPs in the world a flaw he’d found in the Domain Name System or DNS. CODEN: From 2016 to 2021. Not restore from a backup, because other parts of your system may be doing other things.

Software 40

Software Backups Computers and Electronics Technology 40

eSecurity Planet

FEBRUARY 16, 2021

In 2016, the Mirai botnet attack left most of the eastern U.S. Moving away from trying to trick users, pharming leverages cache poisoning against the DNS , using malicious email code to target the server and compromise web users’ URL requests. Often organizations can mitigate ransomware attacks by having up-to-date backups.

Malware 105

Malware Adware Spyware Antivirus 105