Security Affairs

FEBRUARY 23, 2019

A user reported that its D-Link DNS-320 device was infected by malicious code. The D-Link DNS-320 model is no more available for sale, one of the members of the forum explained that the firmware of its NAS was never updated and its device was exposed to WAN through ports 8080, FTP port 21, and a range of ports for port forwarding.

Ransomware 111

Ransomware DNS Firmware Encryption 111

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 121

DNS Advertising Spyware Software 121

Security Affairs

APRIL 23, 2019

Security expert Marco Ramilli published the findings of a quick analysis of the webmask project standing behind the DNS attacks implemented by APT34 (aka OilRig and HelixKitten ). Contest: Since at least 2014, an Iranian threat group tracked by FireEye as APT34 has conducted reconnaissance aligned with the strategic interests of Iran.

DNS 107

DNS Computers and Electronics Penetration Testing Government 107

Security Affairs

DECEMBER 24, 2018

The communications are not encrypted, however the WiFi password is sent encrypted during set up (albeit trivial to decrypt).” “As the communications are not encrypted, it is simple to Man-in-the-Middle the traffic and analyse the API.” Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

IoT 107

IoT Hacking DNS Authentication 107

Security Affairs

APRIL 12, 2019

Unfortunately, users that have no backups of their encryption keys will be not able to read their previous conversations. On Friday, the attacker used the Cloudflare API key to change the DNS records for matrix.org and redirect users to a GitHub page displaying a portion of the compromised data as a proof of the hack.

Hacking 108

Hacking DNS Passwords Data breaches 108

Security Affairs

MARCH 22, 2020

. “On March 16th I have found an unprotected and thus publicly available Elasticsearch instance which appeared to be managed by a UK-based security company, according to the SSL certificate and reverse DNS records.” Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Adobe, Last.

Data breaches 111

Data breaches Advertising DNS Engineering 111

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. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

IoT 107

IoT DDOS Malware Architecture 107

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.”. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

DDOS 142

DDOS IoT Internet Internet 142

Security Affairs

DECEMBER 12, 2019

The operators leverage on low cost and easy to replace infrastructure using dynamic-DNS domains and regularly reused hop points. “MSTIC analysis indicates the use of dynamic DNS providers as opposed to registered domains is in line with GALLIUM’s trend towards low cost and low effort operations.”

Telecommunications 97

Telecommunications DNS Malware Advertising 97

Security Affairs

JULY 23, 2019

Attackers also noticed that systems infected with the above two families were also targeted with the RoyalDNS malware that uses DNS to communicate with the C&C server. Once executed the command the backdoor returns output through DNS. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

Malware 110

Malware DNS Advertising Manufacturing 110

Security Affairs

MARCH 22, 2020

. “On March 16th I have found an unprotected and thus publicly available Elasticsearch instance which appeared to be managed by a UK-based security company, according to the SSL certificate and reverse DNS records.” ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Adobe, Last.

Data breaches 93

Data breaches Advertising DNS Engineering 93

Security Affairs

NOVEMBER 21, 2019

.” The analysis of the bot revealed that it supports seven functions: reverse shell, self-uninstall, gather process’ network information, gather Bot information, execute system commands, run encrypted files specified in URLs, DDoS attack, etc. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

DDOS 107

DDOS Advertising System Administration DNS 107

Security Affairs

AUGUST 10, 2020

Pavel explained that attackers could also collect information even when the traffic is encrypted. The analysis of DNS could reveal the user’s Internet browsing history while the analysis of TLS certificates could allow fingerprinting the servers the user connected.

Internet 132

Internet Internet Advertising Encryption 132

Security Affairs

MARCH 4, 2019

Instead, the real IP address of the C2 is obfuscated with what is essentially an encryption algorithm. Experts pointed out that DGA is a double-edged sword because allows security researchers to analyze DNS and network traffic to enumerate bots. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

DNS 106

DNS Banking Advertising Ransomware 106

eSecurity Planet

MAY 23, 2023

SPF deploys within the Domain Name Service (DNS) records with the organization’s domain hosting provider. Email-receiving servers check the email header for the sending domain and then perform a DNS lookup to see if an SPF file exists that matches the sending domain.

DNS 98

DNS Phishing Authentication Internet 98

Security Affairs

NOVEMBER 10, 2018

However, since they do not encrypt your traffic and communications, your personal information can be easily accessed by an intruder. Also, all your data is passed through a secure encrypted tunnel, making it unreadable to the outside world. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

VPN 111

VPN Internet Internet Small Business 111

Security Affairs

AUGUST 10, 2020

Our findings show that both Telenor and MPT block websites using DNS tampering. MPT is ignoring the DNS requests to the blocked domains, while Telenor is redirecting them to an IP address outside of the country. The block page uses the domain “ urlblocked.pw ” registered the 26th of March 2020 with a free Let’s encrypt certificate.

Internet 111

Internet Internet Telecommunications DNS 111

Security Affairs

OCTOBER 12, 2019

“The first of FIN7’s new tools is BOOSTWRITE – an in-memory-only dropper that decrypts embedded payloads using an encryption key retrieved from a remote server at runtime. The messages sent to the victims were also dropping the backdoor DNSbot that primarily operates over DNS traffic. ” concludes the report.

Identity Theft 104

Identity Theft Hacking Advertising DNS 104

Google Security

MAY 25, 2023

At Cloudflare, we believe encryption should be free for all; we pioneered that for all our customers back in 2014 when we included encryption for free in all our products. Their technical expertise guarantees they'll be able to scale to meet the needs of an increasingly encrypted Internet," says Matthew Prince, CEO, Cloudflare.

Encryption 91

Encryption Internet Internet DNS 91

Security Affairs

AUGUST 7, 2019

OilRig Description : According to MITRE , OilRig is a threat group with suspected Iranian origins that has targeted Middle Eastern and international victims since at least 2014. T1094) mainly developed using DNS resolutions (which is actually one of the main characteristic of the attacker group). Pierluigi Paganini.

Computers and Electronics 104

Computers and Electronics Penetration Testing DNS Phishing 104

Security Affairs

DECEMBER 7, 2019

Upon reboot, the VBScript performs an HTTP GET request to fetch an encrypted stage from a dynamic DNS domain. ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. ” continues the analysis. .

Government 89

Government Advertising Media DNS 89

Security Affairs

AUGUST 8, 2018

In 2014 it reached the pinnacle of success, becoming the fourth largest botnet in the world. We named this botnet “Black” due to the RC4 key value, “black”, that is used for traffic encryption in this botnet.” The second STAGE-1 C&C server is used for controlling malware via an encrypted connection.

Malware 73

Malware DNS Encryption Banking 73

Security Affairs

APRIL 1, 2019

2014), as described on the MMD blog when MMD detected 5 variants active under almost 15 panels scattered in China network. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. The growth was very rapid at that time (Sept.

DDOS 110

DDOS Malware Encryption Penetration Testing 110

Troy Hunt

JANUARY 10, 2018

We are rapidly approaching a "secure by default" web and the green padlock is becoming the norm ( about two thirds of all browser traffic is now encrypted ). A great resource for getting a quick snapshot of how a site implements their SSL / TLS / HTTPS ("encryption of traffic", for the masses) is SSL Labs.

Hacking 279

Hacking Government Encryption Risk 279

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 137

Malware Encryption Social Engineering Telecommunications 137

eSecurity Planet

JANUARY 26, 2022

AES-256 encryption for data at rest and TLS v1.2 The youngest of companies picked for this year’s list, Kentik has been a budding networking monitoring vendor since 2014. Reviews highlight the ease of setup and integration with standard APIs , component monitoring capabilities, and intelligent network traffic analysis.

Marketing 121

Marketing DDOS Threat Detection DNS 121

Security Affairs

FEBRUARY 19, 2019

An encrypted snippet of code, for instance, has high entropy associated. The malware tries to resolve the DNS: sameerd.net. As shown, the DNS has not been resolved. Figure 31: Available ports of the malicious DNS. Figure 3: Passive DNS replication. Pay attention. The.text section is packed and has high entropy.

Malware 103

Malware Phishing DNS Engineering 103

Security Affairs

DECEMBER 20, 2018

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. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

Banking 104

Banking Malware Internet Internet 104

Security Affairs

APRIL 9, 2019

The malware command and control infrastructure abuses the Pastebin service to ensure resilience, in fact the malware dynamically retrieves the real C2 destination address from a pastie over an encrypted HTTPS channel. Also, the attacker behind this sample leans on the Dynamic DNS service “warzonedns.com”, pointing to the 213.183.58[.10

Malware 101

Malware Advertising DNS Antivirus 101

Security Affairs

NOVEMBER 14, 2018

DNS requests intercepted. The SSL certificate has been released by the “cPanel, Inc“ CA and is valid since 16th August 2018; this encryption certificate is likely related to the previously discussed HTTP 301 redirection due to the common name “ CN=wvpznpgahbtoobu.usa.cc ” found in the Issuer field. Edited by Pierluigi Paganini.

Computers and Electronics 109

Computers and Electronics Penetration Testing Malware Phishing 109

eSecurity Planet

JULY 28, 2021

Since the 1970s, Public Key Infrastructure (PKI) has offered encryption , authentication, bootstrapping, and digital signatures to secure digital communications. As encryption methods go, AES-128 and RSA-2048 are vulnerable to quantum attacks. More robust security for Domain Name Systems (DNS). Next-Generation Cryptography.

Cybersecurity 136

Cybersecurity Cryptocurrency Technology Energy and Utilities 136

Security Affairs

AUGUST 20, 2019

The Trojan is used during the lateral movement stage and is designed to control compromised systems by performing tasks through the command shell and tunneling traffic using the DNS protocol. Silence has also changed its encryption alphabets, string encryption, and commands for the bot and the main module. Pierluigi Paganini.

Banking 87

Banking Cybercrime Advertising Cybersecurity 87

Security Affairs

DECEMBER 20, 2019

Continuing to analyze the code, we reconstructed the approach used by the attacker to obfuscate the payload: all the necessary information has been encrypted, splitted, and then encoded in Base64 chunks stored into different structures named as “ta” , “t_ep” , “t_eq”. The “Dns” Plugin. Initialization of basic malware information.

Malware 92

Malware DNS Architecture Advertising 92

ForAllSecure

MARCH 24, 2021

Vamosi: In the fall of 2014, Shellshock was publicly disclosed. Not only do I get a much faster time to market, I don’t have to worry about rolling my own encryption. Really, never roll your own encryption. Our story now skips ahead twenty years to 2014. And it's a doozy program. Just don’t. Now, what to fuzz?

Software 52

Software Passwords Internet Internet 52

ForAllSecure

MARCH 24, 2021

Vamosi: In the fall of 2014, Shellshock was publicly disclosed. Not only do I get a much faster time to market, I don’t have to worry about rolling my own encryption. Really, never roll your own encryption. Our story now skips ahead twenty years to 2014. And it's a doozy program. Just don’t. Now, what to fuzz?

Software 52

Software Passwords Internet Internet 52

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 134

Malware Banking Energy and Utilities Accountability 134

Malwarebytes

MAY 9, 2023

The configuration was encrypted, and looked like this: Config file forms the end of ntuser.dat That configuration was encrypted using AES. DNS records obtained from another victim showed mail.gorod-donetsk.org, pop.gorod-donetsk.org, which could suggest that the victim was part of DPR administration. лидерывозрождения[.]рф)

Surveillance 82

Surveillance Accountability DNS Encryption 82