Security Affairs

FEBRUARY 12, 2024

Public Wi-Fi users are prime targets for MITM attacks because the information they send is often not encrypted, meaning it’s easy for hackers to access your data. Look for the “https” in the website’s URL—it means there’s some level of encryption.

DNS 124

DNS VPN Encryption Passwords 124

Fox IT

AUGUST 11, 2022

A recently uncovered malware sample dubbed ‘Saitama’ was uncovered by security firm Malwarebytes in a weaponized document, possibly targeted towards the Jordan government. This Saitama implant uses DNS as its sole Command and Control channel and utilizes long sleep times and (sub)domain randomization to evade detection. Introduction.

DNS 66

DNS Engineering Malware Encryption 66

Security Affairs

JANUARY 29, 2023

Copycat Criminals mimicking Lockbit gang in northern Europe Sandworm APT targets Ukraine with new SwiftSlicer wiper ISC fixed high-severity flaws in DNS software suite BIND Patch management is crucial to protect Exchange servers, Microsoft warns Hacker accused of having stolen personal data of all Austrians and more CVE-2023-23560 flaw exposes 100 (..)

DNS 84

DNS Data breaches Hacking Backups 84

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 96

Cybercrime Ransomware Malware Data breaches 96

Security Affairs

NOVEMBER 5, 2021

Talos researchers warn of a new threat actor that is hacking Microsoft Exchange servers by exploiting ProxyShell flaws to gain access to corporate and deploy the Babuk Ransomware. Over the past months, other ransomware gangs, including Conti and Lockfile , exploited ProxyShell flaws to deliver their malware. Pierluigi Paganini.

Ransomware 124

Ransomware Backups Encryption DNS 124

Security Affairs

JANUARY 20, 2022

Diavol encrypts files solely using an RSA encryption key, and its code is capable of prioritizing file types to encrypt based on a pre-configured list of extensions defined by the attacker. Operators continue to offer the botnet through a multi-purpose malware-as-a-service (MaaS) model. ” continues the report.

Ransomware 110

Ransomware Banking Malware Encryption 110

SiteLock

AUGUST 27, 2021

Abby’s Flower Shop Delivers Fresh Malware to Your Door. One day, much to Abby’s surprise, she was notified by her hosting provider that her website was suspended due to malware. Abby can use a website scanner to find malware on her site. If malware is found, she is alerted immediately.

Hacking 98

Hacking DDOS eCommerce Firewall 98

Security Affairs

SEPTEMBER 25, 2022

SecurityAffairs – hacking, newsletter). If you want to also receive for free the newsletter with the international press subscribe here. builder Over 39K unauthenticated Redis services on the internet targeted in cryptocurrency campaign Hackers stole $160 Million from Crypto market maker Wintermute U.S. Pierluigi Paganini.

Cryptocurrency 82

Cryptocurrency Data breaches DNS DDOS 82

Malwarebytes

JANUARY 22, 2024

The group uses social engineering techniques to persuade their targets to open documents or download malware. In December 2023, the US charged two Russians believed to be members of this group, for their role in a campaign that hacked government accounts. It is mainly in use by security researchers to classify malware.

Social Engineering 99

Social Engineering Government Media DNS 99

Security Affairs

MAY 6, 2023

Twitter confirmed that a security incident publicly exposed Circle tweets FBI seized other domains used by the shadow eBook library Z-Library WordPress Advanced Custom Fields plugin XSS exposes +2M sites to attacks Fortinet fixed two severe issues in FortiADC and FortiOS Pro-Russia group NoName took down multiple France sites, including the French (..)

Data breaches 93

Data breaches Malware Mobile Spyware 93

Security Affairs

AUGUST 18, 2021

However, Fortinet researchers that analyzed the malware discovered that ransomware operators have yet to implement data-stealing capabilities. The comparison of the two versions allowed the researchers to get insight into the development process of Diavol and of future versions of the malware. SecurityAffairs – hacking, cybercrime).

Ransomware 100

Ransomware DNS Cybercrime Malware 100

Security Affairs

JUNE 12, 2022

SecurityAffairs – hacking, newsletter). Please vote for Security Affairs and Pierluigi Paganini in every category that includes them (e.g. sections “The Underdogs – Best Personal (non-commercial) Security Blog” and “The Tech Whizz – Best Technical Blog”). To nominate, please visit:?. Follow me on Twitter: @securityaffairs and Facebook.

Ransomware 115

Ransomware DNS Cybercrime Hacking 115

eSecurity Planet

SEPTEMBER 17, 2021

A significant part of hacking consists of diverting the function of existing systems and software, and hackers often use legitimate security tools to perform cyber attacks. Cobalt Strike Beacon Linux enables emulation of advanced attacks to a network over HTTP, HTTPS, or DNS. The malware has been renamed Vermilion.

DNS 91

DNS Malware Software Security Awareness 91

Security Affairs

MAY 15, 2023

“Lancefly’s custom malware, which we have dubbed Merdoor, is a powerful backdoor that appears to have existed since 2018.” Lancefly APT used a multiple non-malware techniques for credential theft on victim machines, including: PowerShell was used to launch rundll32.exe ” reads the analysis published by Symantec.

Encryption 81

Encryption DNS Phishing Malware 81

SecureWorld News

MARCH 29, 2024

Malvertising acts as a vessel for malware propagation. Scammers and malware operators are increasingly adept at mimicking popular brands in their ad snippets, which makes it problematic for the average user to tell the wheat from the chaff. One of the biggest pitfalls with malvertising is how difficult it can be to detect.

Cybercrime 85

Cybercrime Advertising Engineering Antivirus 85

Security Affairs

OCTOBER 5, 2020

Unlike other IoT DDoS botnets, Ttint implements 12 remote access functions such as Socket5 proxy for router devices, tampering with router firewall and DNS settings, executing remote custom system commands. SecurityAffairs – hacking, Ttint botnet). This botnet does not seem to be a very typical player.” Pierluigi Paganini.

IoT 138

IoT Firmware DNS Advertising 138

Security Affairs

OCTOBER 22, 2021

The FiveSys rootkit uses the same technique to remain under the radar, it is very similar to the Undead malware and likely originate from China where is used to target domestic games. xyz” TLD that are randomly generated and that stored in an encrypted form inside the binary. .” SecurityAffairs – hacking, cyber security).

Malware 110

Malware DNS Internet Internet 110

SecureList

SEPTEMBER 21, 2023

The first-ever large-scale malware attacks on IoT devices were recorded back in 2008, and their number has only been growing ever since. We conducted an analysis of the IoT threat landscape for 2023, as well as the products and services offered on the dark web related to hacking connected devices. Tested, tried. Not a Mirai fork.

IoT 87

IoT DDOS Passwords Malware 87

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. TLS and HTTPS inherently create secured and encrypted sessions for communication.

DNS 103

DNS DDOS Firewall Architecture 103

Security Affairs

JUNE 9, 2022

Other techniques employed by the APT group include DLL hijacking, Themida-packed files, and DNS tunneling to evade post-compromise detection. Luring users into double-clicking a fake Anti-Virus to execute malware in the victim’s host. The malware sets the auto start function with the value “EverNoteTrayUService”.

Malware 83

Malware DNS Encryption Education 83

Security Affairs

DECEMBER 12, 2019

Microsoft experts reported that the GALLIUM hacking group exploits unpatched vulnerabilities to compromise systems running /JBoss application servers. Experts pointed out that GALLIUM threat actors were using common versions of malware and publicly available tools with a few changes to evade detection. ” continues the analysis.

Telecommunications 65

Telecommunications DNS Malware Advertising 65

Security Affairs

JANUARY 2, 2023

Exfiltrate the collected data via encrypted DNS queries to the domain *.h4ck[.]cfd, cfd, using the DNS server wheezy[.]io. SecurityAffairs – hacking, PyPI). The malicious binary performs the following actions: Get system information; Reads the following files: /etc/passwd. The first 1,000 files in $HOME/*.

DNS 84

DNS Encryption Hacking Information Security 84

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. “I had an account that was simply hacked from me shortly after and I never bothered about it because it wasn’t mine in the first place,” he explained.

Accountability 229

Accountability Advertising Marketing Malware 229

Security Affairs

AUGUST 29, 2023

The attackers obtained encrypted passwords from NetScaler ADC configuration files, and the decryption key was stored on the ADC appliance. The attackers attempted to verify outbound network connectivity with a ping command and executed host commands for a subnet-wide DNS lookup. 189) for malware staging and a second C2 IP (85.239.53[.]49)

VPN 103

VPN Ransomware DNS Malware 103

Security Affairs

JUNE 18, 2020

They use DNS tunneling for stealthier C&C communications, and place execution guardrails on the malicious components to hide the malware from security researchers.” Experts also observed attackers using a DNS downloader that was designed for long-term, covert access to the target machine. Pierluigi Paganini.

DNS 81

DNS Advertising Spyware Software 81

Security Affairs

JULY 23, 2019

The attackers demonstrated an increasing level of sophistication across the years, they used custom-malware and various exploits in their attacks. “Second, we identified a previously undocumented malware family with strong links to the Ke3chang group – a backdoor we named Okrum. ” reads the report published by ESET.

DNS 86

DNS Malware Advertising Manufacturing 86

Security Affairs

OCTOBER 20, 2021

” The MSI package first removes registry keys associated with the old Purple Fox installations if any are present, then it replaces the components of the malware with new ones. SecurityAffairs – hacking, PurpleFox botnet). . “The goal is to install the MSI package as an admin without any user interaction.”

Encryption 88

Encryption DNS Architecture Firewall 88

CyberSecurity Insiders

MARCH 21, 2021

With a VPN like Surfshark to encrypt your online traffic and keep it protected against any security breach, your valuable data isn’t going to get compromised easily anytime soon. Anti-virus and anti-malware . Most external hacking takes place during information transfer over an internet connection. Two-factor authentication .

Small Business 145

Small Business Cyber Attacks VPN Backups 145

Security Affairs

NOVEMBER 9, 2020

“The Snugy backdoor uses a DNS tunneling channel to run commands on the compromised server. The threat actor would log into the same legitimate email account and create an email draft with a subject of “555,” which includes the command in an encrypted and base64 encoded format. SecurityAffairs – hacking, Microsoft Exchange).

DNS 113

DNS Accountability Government Cyber Attacks 113

Security Affairs

JULY 21, 2023

The attackers obtained encrypted passwords from NetScaler ADC configuration files, and the decryption key was stored on the ADC appliance. The attackers attempted to verify outbound network connectivity with a ping command and executed host commands for a subnet-wide DNS lookup. Network-segmentation controls blocked this activity too.

VPN 77

VPN Cyber Attacks DNS Software 77

Security Affairs

JUNE 20, 2022

SecurityAffairs – hacking, newsletter). Security Affairs is one of the finalists for the best European Cybersecurity Blogger Awards 2022 – VOTE FOR YOUR WINNERS. Please vote for Security Affairs and Pierluigi Paganini in every category that includes them (e.g. To nominate, please visit:?. Follow me on Twitter: @securityaffairs and Facebook.

Spyware 69

Spyware DNS Surveillance Ransomware 69

Security Affairs

OCTOBER 23, 2018

Security experts from Sophos Labs have spotted a new piece of IoT malware tracked as Chalubo that is attempting to recruit devices into a botnet used to launch DDoS attacks. “The attackers encrypt both the main bot component and its corresponding Lua script using the ChaCha stream cipher.” ” continues the analysis.

IoT 80

IoT DDOS Architecture Malware 80

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. SecurityAffairs – hacking, Managed.com). The company reported the incident to law enforcement and started working to restore its infrastructure. Pierluigi Paganini.

Ransomware 114

Ransomware DNS Encryption Hacking 114

Security Affairs

OCTOBER 12, 2019

FireEye Mandiant discovered that the FIN7 hacking group added new tools to its cyber arsenal, including a module to target remote administration software of ATM vendor. In March, the group carried out attacks delivering a previously unseen malware tracked as SQLRat that drops files and executes SQL scripts on the host.

Identity Theft 76

Identity Theft Hacking Advertising DNS 76

eSecurity Planet

MARCH 14, 2022

Cobalt Strike – now owned by HelpSystems – provides various packages and tools to detect outdated software, generate malware , test endpoints , or run spear phishing campaigns that maximize success rate. It’s a pretty clever way to hide malicious instructions using DNS entries and some obfuscation algorithm the Beacon can decode.

Energy and Utilities 129

Energy and Utilities DNS Penetration Testing Ransomware 129

Security Affairs

AUGUST 8, 2018

Ramnit is one of the most popular banking malware families in existence today, it was first spotted in 2010 as a worm, in 2011, its authors improved it starting from the leaked Zeus source code turning the malware into a banking Trojan. The second STAGE-1 C&C server is used for controlling malware via an encrypted connection.

Malware 47

Malware DNS Encryption Banking 47

Security Affairs

APRIL 1, 2019

The popular expert unixfreaxjp analyzed a new China ELF DDoS’er malware tracked as “Linux/DDoSMan” that evolves from the Elknot malware to deliver new ELF bot. But what kind of malware is this Elknot Trojan? This malware is an update and reuse from the Elknot’s malware source code.

DDOS 84

DDOS Malware Encryption Penetration Testing 84