Security Affairs

AUGUST 7, 2019

group_a : from 2016 to August 2017 2. group_b : from August 2017 to January 2018 3. Many techniques have been used since August 2017 such as: Command Line Interface (rif. T1094) mainly developed using DNS resolutions (which is actually one of the main characteristic of the attacker group). T1059), ObfuscatedFiles (rif.

Computers and Electronics 79

Computers and Electronics Penetration Testing DNS Phishing 79

Fox IT

JANUARY 12, 2021

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. observed Q2 2017 Cobalt Strike v3.12, observed Q3 2018 Cobalt Strike v3.14, observed Q2 2019. The DNS-responses weren’t logged. Credential access (TA0006).

VPN 68

VPN Accountability Passwords DNS 68

Security Affairs

APRIL 9, 2019

Also, the attacker behind this sample leans on the Dynamic DNS service “warzonedns.com”, pointing to the 213.183.58[.10 com”, is well known: this email appears in another AdWind/JRat malicious campaign dated back in 2017, suggesting this malicious actor is active for a long time. 10 IP address located in Russia. 1986[@gmail[.com”,

Malware 70

Malware Advertising DNS Antivirus 70

eSecurity Planet

DECEMBER 3, 2021

Krebs wrote for The Washington Post between 1995 and 2009 before launching his current blog KrebsOnSecurity.com. ICYMI, Equifax forced to pull offline a huge database of consumer data guarded only by credentials "admin/admin" [link] — briankrebs (@briankrebs) September 13, 2017. Bruce Schneier | @schneierblog.

Accountability 134

Accountability Cybersecurity Penetration Testing InfoSec 134

Security Affairs

NOVEMBER 12, 2019

The domain validtree.com is registered through namecheap.com on 2017-12-07T15:55:27Z but recently renewed on 2019-10-16T05:35:18Z. Building a re-directors or proxy chains is quite useful for attackers in order to evade Intrusion Prevention Systems and/or protections infrastructures based upon IPs or DNS blocks. net http[://com-mk84.net.

Cybercrime 41

Cybercrime Computers and Electronics Penetration Testing Malware 41

Malwarebytes

APRIL 6, 2023

Act IV: The Cloud Age (2017 - 2018) The year 2017 marked a turning point as Malwarebytes unveiled Nebula 1.0, Malwarebytes added a DNS/Web Content Filtering Module and a Cloud Storage Scanning Module to the mix, rounding off a delectable buffet of cybersecurity enhancements. But wait, there's more!

Cybersecurity 69

Cybersecurity Malware Cyber threats Small Business 69

Elie

DECEMBER 2, 2017

This blog post recounts Mirai’s tale from start to finish. the blog of a famous security journalist and. is Brian Krebs’ blog. Given Brian’s line of work, his blog has been targeted, unsurprisingly, by many DDoS attacks launched by the cyber-criminals he exposes. It is based on the. joint paper. August 2016. This forced.

IoT 107

IoT DDOS Internet Internet 107

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 68

Wireless DNS Mobile Technology 68

LRQA Nettitude Labs

APRIL 16, 2024

Unfortunately, when the PuTTY developers repurposed this DSA implementation for ECDSA in 2017, they made an oversight. via DNS spoofing) to redirect the user to a malicious SSH server would be able to capture signatures in order to exploit this vulnerability if the user ignores the SSH key fingerprint change warning.

Authentication 69

Authentication DNS Software Encryption 69

eSecurity Planet

FEBRUARY 8, 2021

According to security firm Gemini Advisory, the Fin7 hacker group stole data on more than five million credit and debit cards that had been used at HBC credit card terminals beginning in May 2017. Evolving threats. Errors to avoid.

Retail 52

Retail Encryption Malware Artificial Intelligence 52

Cisco Security

MAY 27, 2022

In part one of our Black Hat Asia 2022 NOC blog , we discussed building the network with Meraki: . In addition to the Meraki networking gear, Cisco Secure also shipped two Umbrella DNS virtual appliances to Black Hat Asia, for internal network visibility with redundancy, in addition to providing: .

Malware 81

Malware Accountability DNS Technology 81

SecureList

APRIL 27, 2021

Further investigation of the Sunburst backdoor revealed several features that overlap with a previously identified backdoor known as Kazuar , a.NET backdoor first reported in 2017 and tentatively linked to the Turla APT group. In November and December 2020, two public blog posts were published about this campaign.

Malware 138

Malware Spyware Government Social Engineering 138

SecureList

APRIL 27, 2022

On March 1, ESET published a blog post related to wipers used in Ukraine and to the ongoing conflict: in addition to HermeticWiper, this post introduced IsaacWiper, used to target specific machines previously compromised with another remote administration tool named RemCom, commonly used by attackers for lateral movement within compromised networks.

Malware 130

Malware Firmware Government Phishing 130

Cisco Security

MAY 26, 2022

In part one of this issue of our Black Hat Asia NOC blog, you will find: . Check out part two of the blog, Black Hat Asia 2022 Continued: Cisco Secure Integrations , where we will discuss integrating NOC operations and making your Cisco Secure deployment more effective: SecureX: Bringing Threat Intelligence Together by Ian Redden.

Wireless 93

Wireless Mobile Engineering Firewall 93

Fox IT

JUNE 23, 2020

Evil Corp were previously associated to the Dridex malware and BitPaymer ransomware, the latter came to prominence in the first half of 2017. Hence, TA505 activity is sometimes still reported as Evil Corp activity, even though these groups have not worked together since the second half of 2017. CobaltStrike C&C Domains.

Ransomware 45

Ransomware Encryption Malware Architecture 45

SecureList

OCTOBER 26, 2021

In June, more than six months after DarkHalo had gone dark, we observed the DNS hijacking of multiple government zones of a CIS member state that allowed the attacker to redirect traffic from government mail servers to computers under their control – probably achieved by obtaining credentials to the control panel of the victims’ registrar.

Malware 140

Malware Government Surveillance Spyware 140