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.

DNS 66

DNS Engineering Malware Encryption 66

Krebs on Security

FEBRUARY 4, 2019

Spammy Bear targeted dormant but otherwise legitimate domains that had one thing in common: They all at one time used GoDaddy’s hosted Domain Name System (DNS) service. The domains documented by MyOnlineSecurity all had their DNS records altered between Jan. 31 and Feb. 22 report on the GoDaddy weakness.

DNS 239

DNS Ransomware Accountability Internet 239

Security Affairs

AUGUST 21, 2018

Cybersecurity firm NCC Group has released an open source tool for penetration testers that allows carrying out DNS rebinding attacks. Security firm NCC Group has released an open source tool for penetration testing dubbed Singularity of Origin that allows carrying out DNS rebinding attacks. Pierluigi Paganini.

DNS 55

DNS Penetration Testing Advertising Authentication 55

Krebs on Security

MARCH 9, 2023

Typically installed by booby-trapped Microsoft Office documents and distributed via email, NetWire is a multi-platform threat that is capable of targeting not only Microsoft Windows machines but also Android , Linux and Mac systems. A review of DNS records for both printschoolmedia[.]org DNS records for worldwiredlabs[.]com

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DNS Cybercrime Passwords Accountability 248

Krebs on Security

JANUARY 22, 2019

A few months later, Bryant documented the same technique being used to take over more than 120,000 trusted domains for spam campaigns. When someone wants to register a domain at a registrar like GoDaddy, the registrar will typically provide two sets of DNS records that the customer then needs to assign to his domain. ” SAY WHAT?

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DNS Internet Internet Computers and Electronics 235

SC Magazine

APRIL 12, 2021

Forescout and JSOF have documented several groups of vulnerabilities in TCP/IP stacks over the past year. All of those discoveries are based, in part or whole, on vendors and open source projects misinterpreting the documents describing the TCP/IP standards, known as RFCs.

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DNS Internet Internet Media 108

Malwarebytes

JANUARY 22, 2024

The group uses social engineering techniques to persuade their targets to open documents or download malware. Once a relationship has been established, the target will receive a phishing link or a document containing such a link. These targets are approached in spear phishing attacks.

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Social Engineering Government Media DNS 91

Krebs on Security

OCTOBER 11, 2022

Microsoft says that to exploit this vulnerability an attacker would need to know the randomly generated DNS endpoint for an Azure Arc-enabled Kubernetes cluster. As always, please consider backing up your system or at least your important documents and data before applying system updates.

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DNS Internet Internet Cyber threats 273

Google Security

MARCH 2, 2023

Additionally, Google Domains is now making an API available to allow for DNS-01 challenges with Google Domains DNS servers to issue and renew certificates automatically. Google Domains and ACME DNS-01 ACME uses challenges to validate domain control before issuing certificates. Under section “ACME DNS API”, click “Create token”.

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DNS Accountability Authentication Internet 98

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.

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DNS Internet Internet Phishing 97

Security Affairs

FEBRUARY 12, 2024

DNS Spoofing DNS (Domain Name System) is like the internet’s phone book, translating domain names into IP addresses. Hackers can manipulate DNS settings to redirect your internet traffic to malicious websites, even if you entered the correct web address.

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DNS VPN Encryption Passwords 124

Security Affairs

NOVEMBER 24, 2020

Crooks were able to trick GoDaddy staff into handing over control of crypto-biz domain names in a classic DNS hijacking attack. Crooks were able to hijack traffic and email to various cryptocurrency-related websites as a result of a DNS hijacking attack on domains managed by GoDaddy. SecurityAffairs – hacking, DNS hijacking).

Social Engineering 100

Social Engineering Engineering DNS Data breaches 100

Security Affairs

AUGUST 31, 2022

Upon opening the document, a malicious template file is downloaded and saved on the system. Once executed, the malware makes unique DNS connections, experts determined that the binary was leveraging a DNS data exfiltration technique by sending unique DNS queries to a target C2 DNS server.

Malware 82

Malware DNS Antivirus Encryption 82

Krebs on Security

JULY 14, 2020

Top of the heap this month in terms of outright scariness is CVE-2020-1350 , which concerns a remotely exploitable bug in more or less all versions of Windows Server that attackers could use to install malicious software simply by sending a specially crafted DNS request.

DNS 280

DNS Backups System Administration Software 280

Security Boulevard

JUNE 22, 2023

Securing SMB Success: The Indispensable Role of Protective DNS Cyber attacks pose as much risk to small and medium-sized businesses (SMBs) as they do to large organizations — if not more. Implementing a Domain Name Service (DNS) security solution is the most efficient way to protect your business against a wide variety of attacks.

DNS 59

DNS Small Business Cyber Attacks Antivirus 59

Malwarebytes

MAY 10, 2022

The email contained a malicious Excel document that drops a new backdoor named Saitama. Excel document. The document has an image that tries to convince the victim to enable a macro. Calls the “eNotif’ function which is used to send a notification of each steps of macro execution to its server using the DNS protocol.

Government 140

Government DNS Telecommunications Accountability 140

Krebs on Security

APRIL 13, 2022

” In addition, this month’s patch batch from Redmond brings updates for Exchange Server , Office , SharePoint Server , Windows Hyper-V , DNS Server , Skype for Business ,NET and Visual Studio , Windows App Store , and Windows Print Spooler components.

DNS 260

DNS Internet Internet Firewall 260

Security Affairs

JULY 15, 2023

HTM, HTA, and LNK files) disguised as Office documents. Once the document is opened by the target, it will take between 30 and 50 minutes to steal data from the infected system. At the moment, the cyber spies were observed stealing documents and remotely executing commands using PowerShell.

Social Engineering 96

Social Engineering DNS Accountability Malware 96

SecureList

OCTOBER 18, 2021

As in the older DanBot instances, both variants supported similar custom C&C protocols tunneled over DNS or HTTP. Our investigation into Lyceum has shown that the group has evolved its arsenal over the years and shifted its usage from the previously documented.NET malware to new versions, written in C++.

DNS 91

DNS Telecommunications Malware Accountability 91

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 110

DNS Phishing Authentication Marketing 110

Security Boulevard

JANUARY 17, 2024

When creating payloads such as Office documents, .pdf Be mindful of how you implement the password, though, as fully encrypting a document with a password may get the file blocked since it cannot be scanned. If we dig into the documentation, we can get the complete set of information on the non-scannable files (Figure 10).

DNS 64

DNS Penetration Testing Passwords Encryption 64

Cisco Security

JUNE 13, 2022

For example, the security event might involve requests to communicate with an IP address, and the analyst would say, “This IP address belongs to my DNS server, so the traffic is legitimate.” However, the detection engine was really saying, “I suspect there is DNS tunnelling activity happening through your DNS server—just look at the volume.”.

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DNS Engineering Authentication Malware 115

eSecurity Planet

MAY 24, 2023

A successful DKIM check also verifies ownership of the email by matching the organization in the “from” fields of the email with the DNS associated with the organization. DKIM deploys as text files in an organization’s hosted Domain Name Service (DNS) record, but the standard can be complex to deploy correctly and maintain.

Technology 78

Technology DNS Encryption Authentication 78

NetSpi Executives

MARCH 19, 2024

Active discovery is performed on all identified assets for ports, technologies, certificates, vulnerabilities, DNS records, etc., This detailed information gathering leads to high-quality findings, allowing us to report only on true positives, with highly documented verification steps and remediation instructions.

Penetration Testing 98

Penetration Testing DNS Technology Internet 98

Malwarebytes

JULY 19, 2021

Last week on Malwarebytes Labs: DNS-over-HTTPS takes another small step towards global domination Nope, that isn’t Elon Musk , and he isn’t offering a free Topmist Dust watch either Four in-the-wild exploits, 13 critical patches headline bumper Patch Tuesday Is crypto’s criminal rollercoaster approaching a terminal dip?

DNS 75

DNS VPN Retail Mobile 75

Security Affairs

JANUARY 19, 2019

Threat actors focused their activity in the Middle East, they used weaponized Microsoft Excel documents to compromise victims’ systems. On January 9, experts at 360’s Threat Intelligence Center (360 TIC) first observed attacks leveraging lure Excel documents written in Arabic. ” continues Palo Alto Networks.

DNS 85

DNS Penetration Testing Malware Advertising 85

Security Affairs

JUNE 27, 2019

In April, the researcher Nick Cano discovered that BlueStacks versions prior than v4.90.0.1046 are affected by a DNS rebinding vulnerability that allowed attackers to gain access to the emulator’s IPC functions. Other issues included information disclosure and a flaw that allowed attackers to steal backups of the VM and its data.

DNS 84

DNS Backups Advertising Authentication 84

Malwarebytes

MARCH 12, 2024

February was a particularly busy month for search-based malvertising with the number of incidents we documented almost doubling. As always, blocking ads at the source via system policies such as ThreatDown DNS Filter , remains one the most effective ways to stop malvertising attacks in their tracks. ar estiloplus[.]tur[.]ar

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DNS Malware Software Hacking 108

Cisco Security

MAY 12, 2022

Referring to a file type, we can see that the Gamaredon group prefers malicious office documents with macros. Office Open XML Document. Office Open XML Document. Office Open XML Document. Office Open XML Document. Office Open XML Document. Office Open XML Document. Office Open XML Document.

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Malware DNS DDOS Phishing 109

eSecurity Planet

JUNE 8, 2022

Rapid7’s online documentation is very thorough, and their knowledge base articles helped us navigate a few configuration hiccups we ran into along the way. From the next screen that pops up, click Auto Configure: In our environment, InsightIDR picked up on Active Directory, LDAP and DNS services being present.

DNS 97

DNS Data collection Marketing Passwords 97

McAfee

DECEMBER 10, 2021

The most popular lookup currently being seen in both PoCs and active exploitation is utilizing LDAP; however, other lookups such as RMI and DNS are also viable attack vectors. Going forward we plan to test variations of the exploit delivered using additional services such as DNS. We may update this document accordingly with results.

DNS 125

DNS Architecture Internet Internet 125

eSecurity Planet

APRIL 30, 2024

Domain Name System (DNS) servers: Translate domain names to IP addresses. You’ll also need to give the DNS server and default gateway an IP address. The DNS server forwards traffic to the correct location by translating it into the appropriate IP address. Email servers: Facilitate email transmission and reception.

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Firewall Internet Internet DNS 62

Security Affairs

AUGUST 27, 2019

The activity of the Lyceum APT group was first documents earlier of August by researchers at ICS security firm Dragos that tracked it as Hexane. LYCEUM delivers bait documents via spearphishing messages from the compromised accounts to the targeted executives, human resources (HR) staff, and IT personnel. .

DNS 81

DNS Passwords Penetration Testing Social Engineering 81

Security Affairs

JUNE 9, 2022

SentinelOne documented a series of attacks aimed at government, education, and telecom entities in Southeast Asia and Australia carried out by a previously undocumented Chinese-speaking APT tracked as Aoqin Dragon. Luring users into double-clicking a fake Anti-Virus to execute malware in the victim’s host.

Malware 84

Malware DNS Encryption Education 84

Malwarebytes

MARCH 24, 2022

The Link-Local Multicast Name Resolution (LLMNR) is a protocol based on the Domain Name System (DNS) packet format that allows both IPv4 and IPv6 hosts to perform name resolution for hosts on the same local link. Its main function is to resolve host names to facilitate communication between hosts on local networks.

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Firmware DNS Software 145

Krebs on Security

NOVEMBER 11, 2019

Reached for comment about the source of the document, Orvis spokesperson Tucker Kimball said it was only available for a day before the company had it removed from Pastebin. DNS controls. The only clue about the source of the Orvis password file is a notation at the top of the document that reads “VT Technical Services.”

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Retail Passwords Wireless Backups 180

Hot for Security

MAY 26, 2021

The document contains valuable technical information regarding Conti’s modus operandi. The group uses threat emulation software like Cobalt Strike and the infamous Emotet banking Trojan, and weaponizes Word documents with embedded Powershell scripts to ultimately deploy Conti ransomware.

Healthcare 111

Healthcare Ransomware System Administration DNS 111