Krebs on Security

JANUARY 22, 2019

In July 2018, email users around the world began complaining of receiving spam which began with a password the recipient used at some point in the past and threatened to release embarrassing videos of the recipient unless a bitcoin ransom was paid. ” SAY WHAT? 13, 2018 bomb threat hoax. domaincontrol.com, and ns18.domaincontrol.com.

DNS 226

DNS Internet Internet Computers and Electronics 226

Security Affairs

JANUARY 7, 2024

Between 2017 and 2019, the APT group mainly used DNS hijacking in its campaigns. Create and enforce a password policy with adequate complexity requirements for specific accounts. Store passwords in a secrets management system, that can also be used by development environments.

Media 121

Media Accountability Telecommunications Government 121

Security Affairs

AUGUST 20, 2021

Mozi is an IoT botnet that borrows the code from Mirai variants and the Gafgyt malware , it appeared on the threat landscape in late 2019. According to the researchers, in the last months of 2019, the botnet was mainly involved in DDoS attacks. .” Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini.

IoT 103

IoT DNS Manufacturing Firmware 103

Krebs on Security

APRIL 4, 2024

A review of the passive DNS records tied to this address shows that apart from subdomains dedicated to tornote[.]io, In August 2019, a slew of websites and social media channels dubbed “HKLEAKS” began doxing the identities and personal information of pro-democracy activists in Hong Kong. Among those is rustraitor[.]info

Phishing 205

Phishing Cryptocurrency DDOS Internet 205

Security Affairs

JULY 13, 2019

The campaign uncovered by Avast aimed at silently modifying the Brazilian users’ Domain Name System (DNS) settings to redirect victims to malicious websites mimicking legitimate ones. “ Malware then guesses routers’ passwords , which new research from Avast shows are often weak. ” states the analysis published by Avast.

DNS 79

DNS Passwords Advertising Banking 79

Security Affairs

APRIL 8, 2019

Researchers detected Roaming Mantis-related malware over 6,800 times for more than 950 unique users in the period between February 25 and March 20, 2019. Attackers used a new method of phishing with malicious mobile configurations along with previously observed DNS manipulation technique.

DNS 98

DNS Mobile Phishing Malware 98

Cisco Security

AUGUST 12, 2021

For several years, Cisco Secure provided DNS visibility and architecture intelligence with Cisco Umbrella and Cisco Umbrella Investigate ; and automated malware analysis and threat intelligence with Cisco Secure Malware Analytics (Threat Grid) , backed by Cisco Talos Intelligence and Cisco SecureX. DNS traffic at Record Low.

DNS 136

DNS Firewall Phishing Mobile 136

Krebs on Security

MARCH 2, 2020

HYAS said it quickly notified the French national computer emergency team and the FBI about its findings, which pointed to a dynamic domain name system (DNS) provider on which the purveyors of this attack campaign relied for their various malware servers. ‘FATAL’ ERROR. to for a user named “ fatal.001.”

DNS 248

DNS Penetration Testing Malware Hacking 248

Security Affairs

MARCH 20, 2020

In May 2019, the experts noticed that the group started using hacked email addresses of numerous high-profile targets to send credential spam messages. The group was observed using this scheme between 2019 and 2020, and according to the experts, most of the compromised email accounts belong to defense companies in the Middle East.

Phishing 143

Phishing Accountability Advertising DNS 143

Security Affairs

MARCH 16, 2021

Experts noticed that the malware also downloads more shell scripts that retrieve brute-forcers that could be used to target devices protected with weak passwords. “The attacks are still ongoing at the time of this writing. “The IoT realm remains an easily accessible target for attackers.

Wireless 126

Wireless IoT DNS VPN 126

Security Affairs

AUGUST 27, 2019

According to Dragos, the Hexane group has been active since at least the middle of 2018, it intensified its activity since early 2019 with an escalation of tensions within the Middle East. Lyceum was observed using password spraying and brute-force attacks to compromise email accounts of targeted individuals.

DNS 86

DNS Penetration Testing Passwords Social Engineering 86

Security Affairs

NOVEMBER 1, 2021

The number of infected devices is impressive, on 2019-11-30 a trusted security partner in the US informed Qihoo 360’s Netlab Cybersecurity reported to have observed 1,962,308 unique daily active IPs from the Pink botnet targeting its systems. According to the experts, Pink is the largest botnet they have observed in the last six years.

Architecture 132

Architecture DDOS Advertising DNS 132

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

SEPTEMBER 1, 2021

Mozi is an IoT botnet that borrows the code from Mirai variants and the Gafgyt malware , it appeared on the threat landscape in late 2019. According to the researchers, in the last months of 2019, the botnet was mainly involved in DDoS attacks.

IoT 87

IoT DNS Manufacturing Passwords 87

Krebs on Security

NOVEMBER 21, 2020

2019 that wasn’t discovered until April 2020. “This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts. . “This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts.

Cryptocurrency 363

Cryptocurrency VPN Scams Social Engineering 363

Security Affairs

AUGUST 19, 2019

It allows users using web browsers to set up user accounts, Apache, DNS, file sharing and much more. News of the day is that Webmin contained a remote code execution vulnerability, tracked as CVE-2019-15107, for more than a year. ehakkus) August 11, 2019. Only version 1.890 is affected also in the default configuration. .”

Passwords 83

Passwords System Administration Advertising DNS 83

Security Affairs

OCTOBER 20, 2021

CrowdStrike researchers reported that at least 13 telecommunication companies were compromised by since 2019. ” The hacking group initially compromised one of the telecommunication companies by leveraging external DNS (eDNS) servers which are part of the General Packet Radio Service (GPRS) network. .

Telecommunications 122

Telecommunications Mobile Hacking Architecture 122

Krebs on Security

FEBRUARY 24, 2023

Shotliff shared an April 2014 password reset email from Black Hat World, which shows he forwarded the plaintext password to the email address legendboy2050@yahoo.com. The only experience listed for Khafagy prior to the TikTok job is labeled “Marketing” at “Confidential,” from February 2014 to October 2019.

Accountability 216

Accountability Advertising Marketing Malware 216

Security Affairs

SEPTEMBER 8, 2019

Cisco addresses CVE-2019-12643 critical flaw in virtual Service Container for IOS XE. Cyber Defense Magazine – September 2019 has arrived. Some Zyxel devices can be hacked via DNS requests. CVE-2019-15846 Exim mail server flaw allows Remote Code Execution. Once again thank you!

IoT 76

IoT Data breaches DNS Advertising 76

Fox IT

JANUARY 12, 2021

NCC Group and Fox-IT observed this threat actor during various incident response engagements performed between October 2019 until April 2020. Credential theft and password spraying to Cobalt Strike. This adversary starts with obtaining usernames and passwords of their victim from previous breaches. Initial access (TA0001).

VPN 68

VPN Accountability Passwords DNS 68

Security Affairs

JUNE 6, 2019

This time is the APT34 Jason – Exchange Mail BF project to be leaked by Lab Dookhtegan on June 3 2019. Although there was information about APT34 prior to 2019, a series of leaks on the website Telegram by an individual named “ Lab Dookhtegan ”, including Jason project, exposed many names and activities of the organization.

Computers and Electronics 85

Computers and Electronics Penetration Testing DNS Passwords 85

SecureList

JUNE 5, 2023

Satacom downloader, also known as LegionLoader, is a renowned malware family that emerged in 2019. It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom. To do so, it performs a DNS request to don-dns[.]com

Cryptocurrency 78

Cryptocurrency DNS Malware Encryption 78

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 84

DDOS System Administration Advertising DNS 84

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 66

Data breaches DNS Advertising Engineering 66

Krebs on Security

JULY 18, 2023

In 2019, a Canadian company called Defiant Tech Inc. com , a service that sold access to billions of passwords and other data exposed in countless data breaches. In a legal settlement that is quintessentially Canadian, the matter was resolved in 2019 after Defiant Tech agreed to plead guilty.

Hacking 185

Hacking Accountability Data breaches Marketing 185

Security Affairs

JULY 27, 2020

According to our estimate, CoAP can reach up to 32 times (32x) amplification factor, which is roughly between the amplification power of DNS and SSDP.”. Another protocol exploited by threat actors in the wild is the Web Services Dynamic Discovery (WS-DD), experts observed large scale DDoS attacks in May and August 2019.

DDOS 116

DDOS IoT Internet Internet 116

Security Affairs

APRIL 14, 2019

DNS hijacking campaigns target Gmail, Netflix, and PayPal users. Adobe Patch Tuesday updates for April 2019 address 43 flaws in its products. Microsoft April 2019 Patch Tuesday fixes Windows 0days under attack. SAP April 2019 Security Patch Day addresses High severity flaws in Crystal Reports, NetWeaver. Kindle Edition.

Data breaches 58

Data breaches DNS Advertising Surveillance 58

Security Affairs

APRIL 21, 2019

Locked Shields 2019 – Chapeau, France wins Cyber Defence Exercise. CVE-2019-0803 Windows flaw exploited to deliver PowerShell Backdoor. Analyzing OilRigs malware that uses DNS Tunneling. Facebook admitted to have stored millions of Instagram users passwords in plaintext. Broadcom WiFi Driver bugs expose devices to hack.

Computers and Electronics 64

Computers and Electronics Spyware Data breaches DNS 64

Krebs on Security

APRIL 2, 2019

31, 2019, Rezvesz said his company recently was the subject of an international search warrant executed jointly by the Royal Canadian Mounted Police (RCMP) and the Canadian Radio-television and Telecommunications Commission (CRTC). In an “official press release” posted to pastebin.com on Mar.

Advertising 211

Advertising Malware Marketing Software 211

Krebs on Security

SEPTEMBER 6, 2021

As I noted in 2015, The Manipulaters Team used domain name service (DNS) settings from another blatantly fraudulent service called ‘ FreshSpamTools[.]eu Whoever controlled the Saim Raza cybercriminal identity had a penchant for re-using the same password (“lovertears”) across dozens of Saim Raza email addresses.

Software 226

Software Phishing Cybercrime Accountability 226

SecureList

OCTOBER 3, 2022

Display DNS resolver cache. privilеge::dеbug; Invoke-Mimikаtz -DumpCrеds; Decoded base64 command issued through webshell to invoke Mimikatz to dump passwords. Decoded base64 command issued through webshell to invoke Mimikittenz to dump passwords. We’ve barely seen Explosive RAT since 2019. cmd.exе /c sеt.

Backups 100

Backups Malware Engineering Passwords 100

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. CreativeCommons CC BY-NC 2.0.

Penetration Testing 78

Penetration Testing DNS Technology CISO 78

CyberSecurity Insiders

MAY 12, 2021

This case exposed a vast list of Microsoft support records at the end of 2019. The problem occurred because the Microsoft workers modified the privacy settings of the Azure system failing to protect it with passwords or MFA. An employee is interested in things that lie outside the scope of his business duties.

Accountability 144

Accountability Scams Risk Software 144

Krebs on Security

JULY 18, 2022

“Using the internal router, it would be possible to poison the DNS cache of the LAN router of the infected node, enabling further attacks.” su between 2016 and 2019. .” “It also enables the end user to probe the LAN network of the infected node,” the paper continues. ”

VPN 290

VPN Computers and Electronics Antivirus Software 290

Security Affairs

JANUARY 10, 2019

Security expert uncovered a DNS hijacking campaign targeting organizations in various industries worldwide and suspects Iranian APT groups. “ Experts monitored the activities of threat actors between January 2017 and January 2019. . “ Experts monitored the activities of threat actors between January 2017 and January 2019.

DNS 86

DNS Telecommunications Government Encryption 86

SecureList

AUGUST 30, 2023

Tomiris called, they want their Turla malware back We first reported Tomiris in September 2021, following our investigation into a DNS hijack against a government organization in the CIS (Commonwealth of Independent States). The attribution of tools used in a cyber-attack can sometimes be a very tricky issue. Meet the GoldenJackal APT group.

Malware 73

Malware Spyware Cryptocurrency Government 73

SecureList

NOVEMBER 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 86

Malware Banking Energy and Utilities Accountability 86