NetSpi Technical

OCTOBER 19, 2023

As these are pointing at localhost, it is very likely this is being used as a way to prevent outbound internet access. Moving on, lets see if we can get outbound internet access. It looks like there is no route out from the container to the Internet. Let’s try DNS. Let’s see if we can connect to that and grab the HTML.

DNS 97

DNS Internet Internet Phishing 97

Security Affairs

SEPTEMBER 22, 2021

Experts noticed that database updates from Netgear are unsigned and downloaded via Hypertext Transfer Protocol (HTTP), allowing the attacker to carry out a MitM attack on the device. However, database updates from Netgear are unsigned and downloaded via Hypertext Transfer Protocol (HTTP).” ” concludes the report.

DNS 131

DNS Firmware VPN Risk 131

Krebs on Security

MARCH 28, 2021

The group looks for attacks on Exchange systems using a combination of active Internet scans and “honeypots” — systems left vulnerable to attack so that defenders can study what attackers are doing to the devices and how. I’d been doxed via DNS. ” What was the subdomain I X’d out of his message?

Hacking 350

Hacking Cybercrime DNS Antivirus 350

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.

Cryptocurrency 78

Cryptocurrency DNS Malware Encryption 78

eSecurity Planet

AUGUST 8, 2022

The signature-based email authentication technique called DKIM merges the specifications for domain keys and identified-internet-mail specifications. A public key is stored with the Domain Name System (DNS) for download by any email server receiving emails with the encrypted digital signature. What is SPF?

DNS 115

DNS Phishing Authentication Marketing 115

SecureList

OCTOBER 25, 2023

It comes equipped with a built-in TOR network tunnel for communication with command servers, along with update and delivery functionality through trusted services such as GitLab, GitHub, and Bitbucket, all using custom encrypted archives. org and execute PowerShell scripts. Bitbucket repository content The repository houses only a README.md

Malware 107

Malware DNS Encryption Cryptocurrency 107

eSecurity Planet

DECEMBER 8, 2023

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

DNS 110

DNS DDOS Firewall Architecture 110

Security Affairs

OCTOBER 22, 2021

The rootkit was used by threat actors to redirect internet traffic to a custom proxy server. “The main purpose of the rootkit is to redirect internet traffic and route it to a custom proxy server. Up.sys downloads an executable and starts it using an embedded dll which it injects from kernel mode.

Malware 113

Malware DNS Internet Internet 113

Security Affairs

NOVEMBER 21, 2019

In October one of the honeypots of the company captured the bot, its downloader , and some bot modules. “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.”

DDOS 81

DDOS System Administration Advertising DNS 81

Security Affairs

OCTOBER 23, 2018

The new IoT malware borrows code from the Xor.DDoS and Mirai bots, it also implements fresh evasion techniques, for example, the authors have encrypted both the main component and its corresponding Lua script using the ChaCha stream cipher. The script would also download, decrypt, and execute whatever Lua script it finds.

IoT 81

IoT DDOS Architecture Malware 81

SecureList

SEPTEMBER 21, 2023

Brute-force attacks on services that use SSH, a more advanced protocol that encrypts traffic, can yield similar outcomes. User files were encrypted, with the device’s interface displaying a ransom note demanding payment of 0.03 DNS changer Malicious actors may use IoT devices to target users who connect to them.

IoT 86

IoT DDOS Passwords Malware 86

SecureList

JUNE 2, 2022

Layout of the encrypted data. Packets exchanged with the C2 server contain a header (described in the next table) followed by AES-encrypted data. Initial connection: the generated AES key and its CRC32, encrypted using RSA-2048 with a hardcoded public key. x33x44”). Description. Sample value (in hex). Unknown static value.

Malware 113

Malware Encryption Social Engineering Telecommunications 113

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?

VPN 359

VPN Phishing DNS Encryption 359

SecureList

APRIL 22, 2024

A connection like this created on domain controllers allows attackers to obtain the IP addresses of hosts on the internal network through DNS queries. 54112" Krong is a proxy that encrypts the data transmitted through it using the XOR function. It protects data with the current user’s password and a special encryption master key.

VPN 105

VPN Passwords Encryption Malware 105

Security Affairs

DECEMBER 20, 2018

N051118 ), where the malicious payload was dropped abusing a macro-enabled word document able to download the malicious DLL paylaod. The malware tries to connect to the remote host 149.154.157.104 (EDIS-IT IT) through an encrypted SSL channel, then it downloads other components and deletes itself from the filesystem.

Banking 76

Banking Malware Internet Internet 76

SecureWorld News

DECEMBER 23, 2020

He was concerned that his phone had been hacked he contacted Toronto's Citizen Lab and agreed to let them install a VPN application that would give researchers a chance to track metadata associated with his Internet traffic. His phone did not set the SNI in the HTTPS Client Hello message and it did not perform a DNS lookup for bananakick.net.

Spyware 52

Spyware Surveillance Hacking Media 52

SecureList

DECEMBER 8, 2022

Overall, Janicab shows the same functionalities as its counterpart malware families, but instead of downloading several tools later in the intrusion lifecycle as was the case with EVILNUM and Powersing intrusions, the analyzed samples have most of the tools embedded and obfuscated within the dropper. function shell_exec(command). Description.

Malware 104

Malware DNS Engineering Internet 104

McAfee

DECEMBER 22, 2021

This string can force the vulnerable system to download and run a malicious script from the attacker-controlled system, which would allow them to effectively take over the vulnerable application or server. Kinsing comes with multiple shell scripts that download and install the backdoor, miner, and rootkit alter the system itself.

Malware 98

Malware Risk Internet Internet 98

Security Boulevard

FEBRUARY 1, 2023

Download Portmaster Linux The easiest way to install Portmaster is via the package manager; users can download the.deb file and install Portmaster from their graphical user interface (GUI). Download Portmaster Running Portmaster Running Portmaster is easy; it can be ran from the GUI of Windows or Linux or via the Linux command line.

DNS 75

DNS Firewall Internet Internet 75

SecureList

NOVEMBER 26, 2021

The attackers obtain initial access to a system by sending a spear-phishing email to the victim containing a Dropbox download link. The vulnerability is in MSHTML, the Internet Explorer engine. If the victim opens the document, Microsoft Office downloads the script and runs it using the MSHTML engine.

Malware 86

Malware Banking Energy and Utilities Accountability 86

SecureList

JANUARY 13, 2022

We opened the email on an offline system; if the system had been connected to the internet, there would be a real icon for a Google document loaded from a third-party tracking server that immediately notifies the attacker that the target opened the email. domainhost.dynamic-dns[.]net. domainhost.dynamic-dns[.]net. PROCESS_ID. #.

Cryptocurrency 126

Cryptocurrency Malware Accountability Banking 126

Security Affairs

JULY 14, 2021

The malicious shell scripts used by Shlayer and Bundlore are usually malvertising-focused adware bundlers using shell scripts in the kill chain to download and install an adware payload. Bash scripts invoking encrypted Zip file. Figure 4: Bash script invoking encrypted zip file. Figure 2: Fake flash player installation.

Adware 122

Adware Encryption Malware Passwords 122

Fox IT

JANUARY 12, 2021

These credentials are used in a credential stuffing or password spraying attack against the victim’s remote services, such as webmail or other internet reachable mail services. This specific document described how to access the internet facing company portal and the web-based VPN client into the company network. r = recurse subfolders.

VPN 68

VPN Accountability Passwords DNS 68

Security Affairs

APRIL 9, 2019

The origin of the infection chain is a simple LNK file, a technique originally adopted by state sponsored and advanced actors, designed to download and run a powershell file named “rdp.ps1” from a remote location through the command: C:WindowsSystem32WindowsPowerShellv1.0powershell.exe -ExecutionPolicy Bypass -Windo 1 $wm=[Text.Encoding]::UTF8.

Malware 72

Malware Advertising DNS Antivirus 72

Malwarebytes

MARCH 29, 2021

For years, Apple has marketed its iPhone as the more secure, more private option when compared to other smart phones, which do not, by default, include an end-to-end encrypted messaging app, warn users repeatedly about app location requests, or provide a privacy-forward Single Sign-On feature.

VPN 109

VPN Mobile Internet Internet 109

SecureList

JULY 28, 2021

It is linked to a vulnerability in DNS resolvers that allows amplification attacks on authoritative DNS servers. Attacks on DNS servers are dangerous because all the resources they serve become unavailable, regardless of their size and level of DDoS protection. The bug was named TsuNAME.

DDOS 131

DDOS DNS IoT Marketing 131

Vipre

JANUARY 22, 2021

Cybercriminals have invested heavily in online attacks and for obvious reasons — most businesses rely on the internet for daily business applications. Protect from malicious file downloads. DNS Redirection is a great start, but must be supplemented by other technologies to be truly secure.

DNS 40

DNS Architecture Encryption Malware 40

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 79

DNS Wireless Malware Firewall 79

Security Affairs

FEBRUARY 5, 2021

Below the attack chain documented by the reseachers from Palo Alto Networks: The attacker targeted an unsecured Kubelet on the internet and searched for containers running inside the Kubernetes nodes. The attacker downloaded tmate and issued a command to run it and establish a reverse shell to tmate.io from container 1.

Malware 111

Malware DNS Cryptocurrency Internet 111

eSecurity Planet

MARCH 14, 2023

When the internet arrived, the network added a firewall to protect networks and users as they connected to the world wide web. The internet of things (IoT), operations technology (OT), and the industrial internet of things (IIoT) also now connect to networks.

Network Security 92

Network Security Firewall Penetration Testing Encryption 92

eSecurity Planet

FEBRUARY 16, 2021

Adware, also known as malvertising , is a type of malware that downloads or displays advertisements to the user interface. Users sometimes unknowingly infect themselves with adware installed by default when they download and install other applications. with no internet. Browser Hijacker. How to Defend Against a Browser Hijacker.

Malware 105

Malware Adware Spyware Antivirus 105

SecureList

FEBRUARY 7, 2022

We have been tracking Roaming Mantis since 2018, and published five blog posts about this campaign: Roaming Mantis uses DNS hijacking to infect Android smartphones. and Trojan-Dropper.AndroidOS.Wroba.o ( download ). The number of downloaded APK files and IPs/domains of landing pages. downloads. Roaming Mantis, part III.

Phishing 81

Phishing DNS Mobile Malware 81

eSecurity Planet

MARCH 22, 2023

Networks connect devices to each other so that users can access assets such as applications, data, or even other networks such as the internet. Similarly, spoofed domain name system (DNS) and IP addresses can redirect users from legitimate connections to dangerous and malicious websites. and similar features will often be unwatched.

Firewall 104

Firewall Network Security Penetration Testing Encryption 104

McAfee

SEPTEMBER 14, 2021

In particular, we saw the following hardcoded value that might be another payload being downloaded: sery.brushupdata.com/CE1BC21B4340FEC2B8663B69. The PlugX families we observed used DNS [ T1071.001 ] [ T1071.004 ] as the transport channel for C2 traffic, in particular TXT queries. Application layer protocol: DNS.

Malware 144

Malware DNS Accountability Manufacturing 144

eSecurity Planet

DECEMBER 15, 2021

Secure web gateway (SWG) solutions help keep enterprise networks from falling victim to ransomware , malware , and other threats carried by internet traffic and malicious websites. Secure web gateways, then, provide fast, secure access to the Internet and SaaS, making digital business a safe and productive experience.

Digital transformation 88

Digital transformation Engineering Internet Internet 88

SecureList

SEPTEMBER 2, 2021

The infection chain of recent QakBot releases (2020-2021 variants) is as follows: The user receives a phishing email with a ZIP attachment containing an Office document with embedded macros, the document itself or a link to download malicious document. The loaded payload (stager) includes another binary containing encrypted resource modules.

Passwords 129

Passwords Encryption Banking Malware 129

eSecurity Planet

MARCH 16, 2023

Definition, Threats & Protections Public Internet Threats If your enterprise network is connected to the public internet, every single threat on the internet can render your business vulnerable too. These threaten enterprise networks because malicious traffic from the internet can travel between networks.

Network Security 108

Network Security Firewall Internet Internet 108