Security Affairs

OCTOBER 5, 2020

The experts are monitoring the Mirai-based botnet since November 2019 and observed it exploiting two Tenda router 0-day vulnerabilities to spread a Remote Access Trojan (RAT). “Two zero days, 12 remote access functions for the router, encrypted traffic protocol, and infrastructure IP that that moves around. .

IoT 138

IoT Firmware DNS Advertising 138

Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi. Encrypting files.

Ransomware 140

Ransomware DNS Encryption Backups 140

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. BitSight researchers found significant overlap in the Internet addresses used by those domains and a domain called BHproxies[.]com. million from private investors.

Accountability 229

Accountability Advertising Marketing Malware 229

Security Affairs

JULY 27, 2020

In December 2018, security experts from Trend Micro discovered that some machine-to-machine (M2M) protocols can be abused to attack IoT and industrial Internet of Things (IIoT) systems. 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.”.

DDOS 108

DDOS IoT Internet Internet 108

Security Affairs

DECEMBER 12, 2019

. “To compromise targeted networks, GALLIUM target unpatched internet-facing services using publicly available exploits and have been known to target vulnerabilities in WildFly/JBoss.” ” The GALLIUM threat actor is active, but its activity was more intense between 2018 and mid-2019. ” continues the analysis.

Telecommunications 66

Telecommunications DNS Malware Advertising 66

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 80

DDOS System Administration Advertising DNS 80

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. 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.

VPN 68

VPN Accountability Passwords DNS 68

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 81

DNS Telecommunications Government Encryption 81

SecureList

DECEMBER 8, 2022

Connect to C2 URL over HTTP with GET/POST methods using hidden Internet Explorer instance (called using InternetExplorer.Application). Runs ie.vbe script using CScript.exe to ensure no residual Internet Explorer instances exists after C2 communication uses IE hidden browser. function shell_exec(command). Function RunIeScript().

Malware 104

Malware DNS Engineering Internet 104

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 86

DNS Wireless Malware Firewall 86

McAfee

SEPTEMBER 14, 2021

The PlugX families we observed used DNS [ T1071.001 ] [ T1071.004 ] as the transport channel for C2 traffic, in particular TXT queries. Another clue that helped us was the use of DNS tunneling by Winnti which we discovered traces of in memory. The hardcoded 208.67.222.222 resolves to a legitimate OpenDNS DNS server. Conclusion.

Malware 144

Malware DNS Accountability Manufacturing 144

SecureList

NOVEMBER 26, 2021

The vulnerability is in MSHTML, the Internet Explorer engine. We started detecting some suspicious backdoored installer packages (including TeamViewer, VLC Media Player and WinRAR); then in the middle of 2019 we found a host that served these installers along with FinSpy Mobile implants for Android.

Malware 86

Malware Banking Energy and Utilities Accountability 86

Krebs on Security

JULY 3, 2023

However, searching passive DNS records at DomainTools.com for thedomainsvault[.]com Searching on ubsagency@gmail.com in Constella Intelligence shows the address was used sometime before February 2019 to create an account under the name “ SammySam_Alon ” at the interior decorating site Houzz.com. Thedomainsvault[.]com

Scams 239

Scams Business Services Accountability Marketing 239

eSecurity Planet

MARCH 25, 2022

Also read : Best Internet Security Suites & Software. By exploiting weak server vulnerabilities, the Iran-based hackers were able to gain access, move laterally, encrypt IT systems, and demand ransom payment. Meanwhile, the suspect server was connected to the CDOT domain with an administrator account and the internet.

VPN 111

VPN Software Authentication Encryption 111

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. Then, the encrypted payload is XORed using the embedded XOR key. Roaming Mantis dabbles in mining and phishing multilingually. Roaming Mantis, part III.

Phishing 81

Phishing DNS Mobile Malware 81

Security Boulevard

AUGUST 12, 2022

The CA will issue challenges (DNS or HTTPS) requiring the agent to take an action that demonstrates control over said domain(s). Back in 2015, when Let’s Encrypt was was just emerging as a certificate-authority force, Josh Aas, the ISRG's executive director said that "Encryption should be the default for the web. Related posts.

Encryption 52

Encryption DNS Backups Internet 52

eSecurity Planet

DECEMBER 17, 2021

In the Gartner Magic Quadrant for Cloud Access Security Brokers, Forcepoint was a Niche Player in 2018 and 2019 before becoming a Visionary in 2020. Security functionality for DLP, discovery, encryption, and digital rights management. Encryption at rest or managed in real-time with certified FOPS 140-2 Level 3 KMS.

Risk 128

Risk Firewall Authentication Encryption 128

eSecurity Planet

FEBRUARY 16, 2021

with no internet. During the 2019 holiday season, the Barracuda research team analyzed 4,200 Android apps related to shopping, Santa, and games. Targeting victims over the phone, vishing is the use of Voice over Internet Protocol (VoIP), technical jargon, and ID spoofing to trick a caller into revealing sensitive information.

Malware 105

Malware Adware Spyware Antivirus 105

Security Affairs

FEBRUARY 19, 2019

In detail, the first wave observed was on February 12th, 2019. An encrypted snippet of code, for instance, has high entropy associated. All the network traffic on the machine has now been monitored, but no connections to the Internet has been performed. The malware tries to resolve the DNS: sameerd.net. Pay attention.

Malware 78

Malware Phishing DNS Engineering 78

SecureList

MAY 31, 2021

For example, before making the first internet connection to its C2s, the Sunburst malware lies dormant for up to two weeks, preventing easy detection of this behaviour in sandboxes. Ransomware encrypting virtual hard disks. The first vulnerability ( CVE-2019-5544 ) can be used to carry out heap overflow attacks.

Malware 94

Malware Adware Encryption Architecture 94

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

eSecurity Planet

SEPTEMBER 26, 2023

Microsoft Azure Microsoft Hyper-V 2016/2019 R2/2019 VMware ESXi up to 7.0 Prices are not generally published for higher end hardware or virtual appliances. Virtual Appliance supports most major virtualization options: Amazon AWS (EC2) KVM on CentOS 7.7. Ubuntu 18.04, and Ubuntu 20.04

Firewall 88

Firewall Software Antivirus Internet 88

SecureList

OCTOBER 19, 2021

Downloaded modules are encrypted, and can be decrypted with the Python script below. It targets the storage databases of Chrome, Firefox, Internet Explorer and Microsoft Edge. The browsers Internet Explorer, Mozilla Firefox, Google Chrome, and Microsoft Edge are targeted. However, in early 2019 an updated module was released.

Banking 136

Banking Passwords VPN Internet 136

SecureList

JUNE 15, 2022

Complex attacks almost invariably feature several phases, such as reconnaissance, initial access to the infrastructure, gaining access to target systems and/or privileges, and the actual malicious acts (data theft, destruction or encryption, etc.). Revenue: 8kk+$ (information is current as of 2019). Country: France. Price: 300$.

VPN 89

VPN Accountability Ransomware Encryption 89

SecureList

APRIL 27, 2021

One of the suspected FinFly Web servers was active for more than a year between October 2019 and December 2020. We investigated a long-running espionage campaign, dubbed A41APT, targeting multiple industries, including the Japanese manufacturing industry and its overseas bases, which has been active since March 2019.

Malware 138

Malware Spyware Government Social Engineering 138

ForAllSecure

APRIL 19, 2023

It was on a project that Dan Kaminsky presented at Discourse 2019. I first met Dan when he was literally saving the world; okay, at least saving the internet as we know it today by disclosing to the major ISPs in the world a flaw he’d found in the Domain Name System or DNS. He died prematurely on April 23 in 2021.

Software 40

Software Backups Computers and Electronics Technology 40

Security Affairs

MARCH 6, 2019

Criminals used UPX packer to protect malware code written in Go and a RSA public certificate is hardcoded inside malware to encrypt all user’s target files. This finding results in a simple “key” to encrypt all the infected victims. However, the RSA public key used to encrypt the target files is static and hardcoded inside ransomware.

Ransomware 80

Ransomware Encryption Malware Cyber Attacks 80

Security Affairs

MARCH 6, 2019

Criminals used UPX packer to protect malware code written in Go and a RSA public certificate is hardcoded inside malware to encrypt all user’s target files. This finding results in a simple “key” to encrypt all the infected victims. However, the RSA public key used to encrypt the target files is static and hardcoded inside ransomware.

Ransomware 40

Ransomware Encryption Malware Cyber Attacks 40

SC Magazine

FEBRUARY 4, 2021

A ransomware attack targeted the email systems at Cleveland Hopkins International Airport in April 2019. Comprehensive penetration testing will assess the ability to create encrypted tunnels over common TCP ports such as SSH over port 443, testing the functionality of deep packet inspection and proxy capabilities.

Penetration Testing 104

Penetration Testing Social Engineering Authentication Engineering 104

Herjavec Group

AUGUST 26, 2021

1988 — The Morris Worm — Robert Morris creates what would be known as the first worm on the Internet. 2002 – Internet Attack — By targeting the thirteen Domain Name System (DNS) root servers, a DDoS attack assaults the entire Internet for an hour. An industry expert estimates the attacks resulted in $1.2

Cybercrime 135

Cybercrime Computers and Electronics Banking Hacking 135

SecureList

SEPTEMBER 26, 2022

Configuration is stored in several registry keys in encrypted and base64 encoded form. Racoon is also known to have evolved over the years since it was discovered in 2019. LgoogLoader is a Trojan-Downloader that downloads an encrypted configuration file from a hardcoded static URL. Satacom DNS request and response.

Malware 108

Malware Cryptocurrency Passwords Software 108

SiteLock

AUGUST 27, 2021

One example: too many are in the dark about website encryption — 61% of world politicians’ websites aren’t HTTPS-secured. The average website encounters 62 attacks each day, according to SiteLock’s 2019 Website Security Report , making a CAPTCHA a vital defense. However, it appears lawmakers aren’t prepared for this reality.

Cybersecurity 98

Cybersecurity Risk Education Technology 98