eSecurity Planet

AUGUST 8, 2022

A public key is stored with the Domain Name System (DNS) for download by any email server receiving emails with the encrypted digital signature. SPF email authentication counters spoofing by publishing to DNS records a list of email-sending Internet Protocol (IP) addresses authorized by the sending domain. What is SPF?

DNS 111

DNS Phishing Authentication Marketing 111

NetSpi Technical

OCTOBER 19, 2023

Let’s try DNS. To quickly test if we have DNS outbound, we can use Burp Suite Collaborator. This will give us a unique address that we can query and let us know if a DNS request was received. import socket data = socket.gethostbyname_ex(‘<collaborator URL>’) print(repr(data)) We have DNS outbound.

DNS 97

DNS Internet Internet Phishing 97

Security Affairs

MAY 15, 2023

“Symantec researchers observed it being used in some activity in 2020 and 2021, as well as this more recent campaign, which continued into the first quarter of 2023. The attack chain employed in 2020 started with a phishing email with a lure based on the 37th ASEAN Summit. ” reads the analysis published by Symantec.

Encryption 83

Encryption DNS Phishing Malware 83

SecureList

MARCH 10, 2021

After the user starts the program, it changes the DNS settings on the device so that all domains are resolved through the attackers’ servers, which, in turn, prevent users from accessing certain antivirus sites, such as Malwarebytes.com. Updater.exe code snippet containing the encrypted address. Patched.netyyk. DNSChanger.aaox.

DNS 142

DNS Antivirus Malware Encryption 142

Security Affairs

AUGUST 18, 2021

The Diavol ransomware was compiled with Microsoft Visual C/C++ Compiler, it uses user-mode Asynchronous Procedure Calls (APCs) without symmetric encryption algorithm for encryption, which has worse performance compared to symmetric algorithms. Anchor DNS ), except for the username field. reads the analysis published by Fortinet.

Ransomware 100

Ransomware DNS Cybercrime Malware 100

Krebs on Security

MARCH 28, 2021

Watson said the Krebsonsecurity file will attempt to open up an encrypted connection between the Exchange server and the above-mentioned IP address, and send a small amount of traffic to it each minute. I’d been doxed via DNS. ” What was the subdomain I X’d out of his message? Just my Social Security number.

Hacking 348

Hacking Cybercrime DNS Antivirus 348

Security Affairs

FEBRUARY 18, 2024

Ukrainian national faces up to 20 years in prison for his role in Zeus, IcedID malware schemes CISA: Cisco ASA/FTD bug CVE-2020-3259 exploited in ransomware attacks CISA adds Microsoft Exchange and Cisco ASA and FTD bugs to its Known Exploited Vulnerabilities catalog US gov offers a reward of up to $10M for info on ALPHV/Blackcat gang leaders U.S.

Cybercrime 94

Cybercrime Ransomware Malware Data breaches 94

Approachable Cyber Threats

OCTOBER 28, 2020

The second , is that DKIM use encryption to sign the emails. This means that while you will create a new DNS record, similar to SPF, you will also have to generate “keys” for your DKIM process to work correctly. When you have your list of DKIM information, head to your DNS provider. your email provider, ESP) gave you.

DNS 94

DNS Marketing Risk Encryption 94

SecureList

DECEMBER 1, 2023

For most implants, the threat actor uses similar implementations of DLL hijacking (often associated with ShadowPad malware) and memory injection techniques, along with the use of RC4 encryption to hide the payload and evade detection. libssl.dll or libcurl.dll was statically linked to implants to implement encrypted C2 communications.

Malware 91

Malware Ransomware Encryption Energy and Utilities 91

Security Affairs

AUGUST 10, 2020

In March 2020, The Ministry of Telecommunications (MoTC) issued a directive to all operators in Myanmar with a secret list of 230 sites to be blocked due to the nature of the content; adult content and fake news. In April 2020, Telenor complied with the directive and blocked ALL sites on the block list. Original post at: [link].

Internet 73

Internet Internet Telecommunications DNS 73

Security Affairs

NOVEMBER 19, 2020

Impacted systems included WordPress and DotNetNuke managed hosting platforms, online databases, email servers, DNS servers, RDP access points, and FTP servers. “November 17, 2020 – On Nov.16, “November 17, 2020 – On Nov.16, 16, the Managed.com environment was attacked by a coordinated ransomware campaign.

Ransomware 111

Ransomware DNS Encryption Hacking 111

eSecurity Planet

DECEMBER 23, 2020

The COVID-19 pandemic of 2020 has forced enterprises of all sizes and industries to adopt new work approaches that keep employees safe at home while ensuring productivity and security. VPNs are intrinsically designed to be encrypted tunnels that protect traffic, making them a secure choice for enabling remote work.

VPN 99

VPN DNS Authentication Mobile 99

Security Affairs

OCTOBER 20, 2021

“However, instead of sending it in cleartext, the client deploys a symmetric AES encryption for any communication over the WebSocket for the first exchange, as no shared secret is established yet, and the AES encryption will generate a default key for this first exchange. ” continues the analysis.

Encryption 87

Encryption DNS Architecture Firewall 87

Krebs on Security

FEBRUARY 24, 2023

The Mylobot malware includes more than 1,000 hard-coded and encrypted domain names, any one of which can be registered and used as control networks for the infected hosts. Before that, the resume says he was operations manager of TikTok’s Middle East and North Africa region for approximately seven months ending in April 2020.

Accountability 220

Accountability Advertising Marketing Malware 220

CyberSecurity Insiders

JANUARY 31, 2021

However, that number has risen dramatically in 2020, a trend that businesses and individuals alike must NOT ignore. That number spiked significantly in 2020, where a Mid-Year Threat Landscape Report 2020 from Bitdefender shows a 715% year over year increase in detected and blocked ransomware attacks in 2020.

Ransomware 40

Ransomware Backups Encryption Healthcare 40

Troy Hunt

SEPTEMBER 17, 2020

I want a "secure by default" internet with all the things encrypted all the time such that people can move freely between networks without ever needing to care about who manages them or what they're doing with them. Now let's try the mobile app: What's the encryption story there? We still have a way to go!

VPN 359

VPN Phishing DNS Encryption 359

Security Affairs

JULY 11, 2022

This campaign is highlighted by Segurança Informática in 2020 , and the high-level diagram of this new campaign can be observed below. Figure 1: High-level diagram of the ANUBIS phishing network and its components (2020). As observed, criminals are using the Let’s Encrypt CA to create valid HTTPs certificates.

Phishing 100

Phishing Social Engineering Banking Engineering 100

Troy Hunt

NOVEMBER 25, 2020

link] — Troy Hunt (@troyhunt) November 23, 2020 What appears to have happened is that in order to address "security vulnerabilities on the plug", TP-Link issued a firmware update that killed the HA integration. Looks like @tplinkuk broke it with a firmware update which will now break a bunch of stuff around the house.

IoT 358

IoT Firmware Risk Manufacturing 358

The Last Watchdog

MARCH 26, 2020

I had a lively discussion at RSA 2020 with one of these vendors, Accedian , a 15-year-old company based in Montreal, Canada. So I may have a frontend web-tier server in one location, a backend database server in another location and application-tier server in yet another location, all hitting DNS servers.

IoT 129

IoT Encryption DNS Firewall 129

SecureList

SEPTEMBER 21, 2023

Brute-force attacks on services that use SSH, a more advanced protocol that encrypts traffic, can yield similar outcomes. Botnet based on Medusa, working since 2020. User files were encrypted, with the device’s interface displaying a ransom note demanding payment of 0.03 Our advantages: 1. BTC to recover the data.

IoT 86

IoT DDOS Passwords Malware 86

SecureList

JUNE 2, 2022

In 2020, we discovered a whole new distribution method for the WinDealer malware that leverages the automatic update mechanism of select legitimate applications. Layout of the encrypted data. Packets exchanged with the C2 server contain a header (described in the next table) followed by AES-encrypted data. 111.120.0.0/14

Malware 113

Malware Encryption Social Engineering Telecommunications 113

Security Affairs

AUGUST 10, 2020

The academic researcher James Pavur, speaking at Black Hat 2020 hacking conference , explained that satellite internet communications are susceptible to eavesdropping and signal interception. Pavel explained that attackers could also collect information even when the traffic is encrypted.

Internet 89

Internet Internet Advertising Encryption 89

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.”. In February, Radware researchers reported that attackers were abusing the CVE-2020-2100 flaw in 12,000+ internet-facing Jenkins servers to mount reflective DDoS attacks.

DDOS 109

DDOS IoT Internet Internet 109

Vipre

JANUARY 25, 2021

According to the independent institute AV-TEST , the number of total new malware in 2020 increased by 13% compared to the last year, and malware for macOS by 1200% for the same period. DNS ad blockers are a new breed of ad blockers that use DNS to effectively block ads. Ad Blockers.

Identity Theft 40

Identity Theft Backups VPN Antivirus 40

Security Boulevard

FEBRUARY 26, 2021

VMware Carbon Black threat researchers have recorded a 900% year on year increase in ransomware attacks in the first half of 2020. Or they might move the data out slowly through protocols such as DNS. Shift from spray and pray to cultivate and curate – rise of the hands-on ransomware attack.

Ransomware 57

Ransomware Encryption Phishing DNS 57

Fox IT

JUNE 2, 2020

Publicly discovered in late April 2020, the Team9 malware family (also known as ‘Bazar [ 1 ]’) appears to be a new malware being developed by the group behind Trickbot. Before proceeding to the technical analysis part, it is worth mentioning that the strings are not encrypted. Author: Nikolaos Pantazopoulos. Introduction.

Malware 48

Malware DNS Architecture Backups 48

Daniel Miessler

SEPTEMBER 27, 2020

VPNs encrypt the traffic between you and some endpoint on the internet, which is where your VPN is based. If your VPN includes all DNS requests and traffic then you could be hiding significantly from your ISP. How bad is it to be a public figure (blog/YouTube) in 2020? This is true. The Government. So, probably not a win.

VPN 326

VPN Risk Hacking Encryption 326

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. The adversary compresses and encrypts the data by using WinRAR from the command-line. hp<password> = encrypt both file data and headers with password. r = recurse subfolders.

VPN 68

VPN Accountability Passwords DNS 68

eSecurity Planet

SEPTEMBER 3, 2022

For example, the 2016 DDoS attack on the Dyn managed domain name service (DNS) caused the DNS service to fail to respond to legitimate DNS inquiries and effectively shut down major sites such as PayPal, Spotify, Twitter, Yelp, and many others. Also read: How to Secure DNS. In 2020 the U.S. Types of DDoS Attacks.

DDOS 134

DDOS DNS Firewall Internet 134

McAfee

DECEMBER 22, 2021

The file runs on Linux machines and has been uploaded on Virus Total for the first time in December 2020. Since April 2020, when the Kinsing crypto miner was discovered, further developments of the malware have occurred including a rootkit component and other features that make detection harder. Network Security Platform.

Malware 98

Malware Risk Internet Internet 98

SecureList

MAY 26, 2021

The statistics in this report cover the period from May 2020 to April 2021, inclusive. Number of EU users attacked by financial malware, May 2020 – April 2021 ( download ). Geography of banking malware attacks in the EU, May 2020 – April 2021 ( download ). Main figures. Threat geography. Country. %*. Threat geography.

Phishing 127

Phishing Malware Ransomware Adware 127

SecureList

AUGUST 30, 2023

A DLL with this name was used in recent deployments of a backdoor that we dubbed Gopuram , which we had been tracking since 2020. In April 2020, we uncovered a significant shift in targeting and infection vector. When we reviewed our telemetry on the campaign, we found a DLL on one of the computers, named guard64.dll,

Malware 73

Malware Spyware Cryptocurrency Government 73

The Last Watchdog

OCTOBER 19, 2021

Users can create bridges and share part of their file systems with others without relying on any centralized databases or lookup systems like DNS, for example. If the provider accepts the transaction, he collects the payment and publishes the encrypted credentials on a blockchain. And second, the release of the Wildland Client 0.1.0

Internet 206

Internet Internet Cryptocurrency Software 206

Fox IT

JUNE 29, 2022

Flubot banking malware families are in the wild since at least the period between late 2020 and the first quarter of 2022. Based on reports from other researchers, Flubot samples were first found in the wild between November and December of 2020. in December 2020. In this new version, they introduced DNS-over-HTTPs (DoH).

Banking 97

Banking Malware DNS Encryption 97

Malwarebytes

MAY 9, 2023

We have identified attacks from the group starting in 2020, meaning that they have remained under the radar for at least three years. Malwarebytes has identified multiple operations, first dated in 2020. Notes about activity before the war OP#1 - Late 2020 The first operation we know of happened in December 2020.

Surveillance 69

Surveillance Accountability DNS Encryption 69

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

SecureList

SEPTEMBER 29, 2021

In December 2020, news of the SolarWinds incident took the world by storm. The first malicious update was pushed to SolarWinds users in March 2020, and it contained a malware named Sunburst. DNS hijacking. December 22-23, 2020 and. December 28, 2020 to January 13, 2021. December 29, 2020 to January 14, 2021.

DNS 97

DNS Malware Engineering Encryption 97