Security Affairs

MARCH 4, 2019

Necurs botnet is currently the second largest spam botnet , it has been active since at least 2012 and was involved in massive campaigns spreading malware such as the Locky ransomware , the Scarab ransomware , and the Dridex banking Trojan. ” reads a blog post published by the firm. ” continues the blog post.

DNS 78

DNS Banking Advertising Ransomware 78

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 143

Malware Government Surveillance Spyware 143

Security Affairs

AUGUST 7, 2019

group_a : from 2016 to August 2017 2. group_b : from August 2017 to January 2018 3. T1388) , from group_b to group_d time frames OilRig used real Compromised User Accountsextracted by Malware (rif. Many techniques have been used since August 2017 such as: Command Line Interface (rif. Exploit Technique Over Time.

Computers and Electronics 80

Computers and Electronics Penetration Testing DNS Phishing 80

SecureList

APRIL 27, 2021

In our initial report on Sunburst , we examined the method used by the malware to communicate with its C2 (command-and-control) server and the protocol used to upgrade victims for further exploitation. This campaign made use of a previously unknown malware family we dubbed FourteenHi. webshells and Exaramel implants.

Malware 142

Malware Spyware Government Social Engineering 142

SecureList

APRIL 27, 2022

Disclaimer: when referring to APT groups as Russian-speaking, Chinese-speaking or other-“speaking” languages, we refer to various artefacts used by the groups (such as malware debugging strings, comments found in scripts, etc.) On February 23, ESET published a tweet announcing new wiper malware targeting Ukraine.

Malware 135

Malware Firmware Government Phishing 135

Security Affairs

APRIL 9, 2019

Too many times turned into fully-featured malware implants by unethical hackers and cyber criminals. Exploring the malware code, we detected multiple evidence indication of the possible belonging malware family: LimeRAT. Technical Analysis. The first one targets the Windows versions lower than 8.1, C2 retrieval. 1986[@gmail[.com”,

Malware 69

Malware Advertising DNS Antivirus 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. vSkimmer malware, a successor to Dexter, dates back to 2013. 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: . Malware Threat Intelligence made easy and available, with Cisco Secure Malware Analytics and SecureX by Ben Greenbaum . Secure Malware Analytics (formerly Threat Grid) . Meraki Scanning API Receiver by Christian Clasen

Malware 73

Malware Accountability DNS Technology 73

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

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 61

Wireless DNS Mobile Technology 61

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. The two Macros decoded a Javascript payload acting as a drop and execute by using a well-known strategy as described in: “ Frequent VBA Macros used in Office Malware ”. Image3: Redirecting script.

Cybercrime 41

Cybercrime Computers and Electronics Penetration Testing Malware 41

Cisco Security

MAY 26, 2022

In part one of this issue of our Black Hat Asia NOC blog, you will find: . It is a balance, as we must allow trainings and demos connect to malicious websites, download malware and execute. Malware Threat Intelligence made easy and available, with Cisco Secure Malware Analytics and SecureX by Ben Greenbaum.

Wireless 82

Wireless Mobile Engineering Firewall 82

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.

Ransomware 45

Ransomware Encryption Malware Architecture 45