Security Affairs

MARCH 22, 2020

The expert Bob Diachenko has discovered an unsecured Elasticsearch install belonging to a UK security firm that contained 5 billion records of data leaked in previous incidents that took place between 2012 and 2019. ” wrote Security Discovery’s researcher Bob Diachenko.

Data breaches 99

Data breaches DNS Advertising Engineering 99

Security Affairs

JUNE 18, 2020

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 76

DNS Advertising Spyware Software 76

Security Affairs

DECEMBER 12, 2019

” The GALLIUM threat actor is active, but its activity was more intense between 2018 and mid-2019. link] — bk (Ben K) (@bkMSFT) December 12, 2019. The operators leverage on low cost and easy to replace infrastructure using dynamic-DNS domains and regularly reused hop points. ” continues the analysis.

Telecommunications 63

Telecommunications DNS Malware Advertising 63

Security Affairs

MARCH 22, 2020

The expert Bob Diachenko has discovered an unsecured Elasticsearch install belonging to the security firm Keepnet Labs that contained 5 billion records of data leaked in previous incidents that took place between 2012 and 2019. ” wrote Security Discovery’s researcher Bob Diachenko.

Data breaches 58

Data breaches DNS Advertising Engineering 58

Cisco Security

AUGUST 29, 2022

25+ Years of Black Hat (and some DNS stats), by Alejo Calaoagan. Cisco is a Premium Partner of the Black Hat NOC , and is the Official Wired & Wireless Network Equipment, Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider of Black Hat. Umbrella DNS into NetWitness SIEM and Palo Alto Firewall .

DNS 74

DNS Wireless Malware Firewall 74

Security Affairs

JULY 23, 2019

Attackers also noticed that systems infected with the above two families were also targeted with the RoyalDNS malware that uses DNS to communicate with the C&C server. Once executed the command the backdoor returns output through DNS. “The Ke3chang APT group (a.k.a.

DNS 84

DNS Malware Advertising Manufacturing 84

Security Affairs

NOVEMBER 21, 2019

“Fast forwarded to October 11, 2019, our Anglerfish honeypot captured another suspicious ELF sample, and it turned out to be the Downloader of the previous suspicious ELF sample.” It allows users using web browsers to set up user accounts, Apache, DNS, file sharing and much more.

DDOS 78

DDOS System Administration Advertising DNS 78

eSecurity Planet

MAY 28, 2021

Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Nickels suggests organizations follow this guidance: Also Read: How Zero Trust Security Can Protect Against Ransomware. Detect Focus on encryption Assume exfiltration.

Software 116

Software Firmware DNS VPN 116

SC Magazine

FEBRUARY 4, 2021

A ransomware attack targeted the email systems at Cleveland Hopkins International Airport in April 2019. Comprehensive penetration testing can contribute to the security conversation by suggesting organizations prioritize cybersecurity controls that will offer optimal risk remediation against exploits hackers will attempt.

Penetration Testing 104

Penetration Testing Social Engineering Authentication Engineering 104

SC Magazine

JUNE 4, 2021

Today’s columnist, Raj Badhwar of Voya Financial, says to prevent cloud-based breaches like the one that happened to Capital One in 2019, security teams need to develop an enterprise cloud operating model based on a cloud-first approach. S3, RDS, CloudFront, Inspector, Security Hub, Security Center, and Azure Log Analytics).

Penetration Testing 78

Penetration Testing DNS Technology CISO 78

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). The following map shows the countries where we detected Tomiris targets (colored in green: Afghanistan and CIS members or ratifiers).

Malware 95

Malware DNS Government Software 95

Security Affairs

AUGUST 20, 2019

In 2019 alone, Silence has infected workstations in more than 30 countries across Europe, Latin America, Africa, and Asia. Ivoke was detected by Group-IB’s Threat Intelligence team in May 2019, when Silence sent out phishing emails purporting to be from a bank’s client with a request to block a card.

Banking 53

Banking Cybercrime Cybersecurity Advertising 53

Security Affairs

AUGUST 7, 2019

group_d : from March 2019 to August 2019 The evaluation process would take care of the following Techniques: Delivery , Exploit , Install and Command. T1094) mainly developed using DNS resolutions (which is actually one of the main characteristic of the attacker group). group_a : from 2016 to August 2017 2.

Computers and Electronics 79

Computers and Electronics Penetration Testing DNS Phishing 79

Cisco Security

AUGUST 28, 2023

XDR (eXtended Detection and Response) Integrations At Black Hat USA 2023, Cisco Secure was the official Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider. SCA detected 289 alerts including Suspected Port Abuse, Internal Port Scanner, New Unusual DNS Resolver,and Protocol Violation (Geographic).

Wireless 60

Wireless DNS Mobile Technology 60

Security Affairs

FEBRUARY 19, 2019

In detail, the first wave observed was on February 12th, 2019. An encrypted snippet of code, for instance, has high entropy associated. The malware tries to resolve the DNS: sameerd.net. As shown, the DNS has not been resolved. Figure 31: Available ports of the malicious DNS. Figure 3: Passive DNS replication.

Malware 76

Malware Phishing DNS Engineering 76