Troy Hunt

JULY 21, 2021

When the Ashley Madison data breach occurred in 2015, it made headline news around the world. Not only do they control the access rights to the mailbox, they also control DNS and MX records therefore they control the routing of emails.

Accountability 363

Accountability Data breaches Government InfoSec 363

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 76

DNS Advertising Spyware Software 76

Herjavec Group

AUGUST 26, 2021

1834 — French Telegraph System — A pair of thieves hack the French Telegraph System and steal financial market information, effectively conducting the world’s first cyberattack. 1870 — Switchboard Hack — A teenager hired as a switchboard operator is able to disconnect and redirect calls and use the line for personal usage. .

Cybercrime 135

Cybercrime Computers and Electronics Banking Hacking 135

Security Affairs

DECEMBER 12, 2019

Microsoft experts reported that the GALLIUM hacking group exploits unpatched vulnerabilities to compromise systems running /JBoss application servers. The operators leverage on low cost and easy to replace infrastructure using dynamic-DNS domains and regularly reused hop points. SecurityAffairs – GALLIUM, hacking).

Telecommunications 63

Telecommunications DNS Malware Advertising 63

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. Between 2012 and 2015, the Aoqin Dragon actors heavily relied on exploits for CVE-2012-0158 and CVE-2010-3333 vulnerabilities. SecurityAffairs – hacking, Aoqin Dragon).

Malware 79

Malware DNS Encryption Education 79

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 ). According to Duo, “ OilRig delivered Trojans that use DNS tunneling for command and control in attacks since at least May 2016. Leaked Source code.

DNS 73

DNS Computers and Electronics Penetration Testing Government 73

Security Affairs

JULY 23, 2019

ESET also reported that the APT15 has been using the Ketrican backdoor since 2015, for downloading and uploading files, executing files and shell commands, and sleeping for a configurable time. . Once executed the command the backdoor returns output through DNS. Once executed the command the backdoor returns output through DNS.

DNS 84

DNS Malware Advertising Manufacturing 84

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. The group that has been active since late 2015 targeted businesses worldwide to steal payment card information. SecurityAffairs – FIN7, hacking).

Identity Theft 73

Identity Theft Hacking Advertising DNS 73

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 99

Data breaches DNS Advertising Engineering 99

Security Affairs

DECEMBER 7, 2019

The hacking campaign confirmed that the Gamaredon operations are still ongoing and the high interest of the Kremlin in infiltrating the East European ecosystem, especially the Ukranian one. The group was first discovered by Symantec and TrendMicro in 2015 but evidence of its activities has been dated back to 2013.

Government 56

Government Advertising Media DNS 56

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 -->. SecurityAffairs – hacking, FBI). Pierluigi Paganini.

DDOS 106

DDOS IoT Internet Internet 106

Security Affairs

AUGUST 10, 2020

The academic researcher James Pavur, speaking at Black Hat 2020 hacking conference , explained that satellite internet communications are susceptible to eavesdropping and signal interception. Pavel explained that attackers could also collect information even when the traffic is encrypted. SecurityAffairs – hacking, satellite).

Internet 87

Internet Internet Advertising Encryption 87

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 58

Data breaches DNS Advertising Engineering 58

Security Affairs

AUGUST 8, 2018

In 2015, Europol partnering with several private technology firms announced the takedown of the Ramnit C2 infrastructure. According to domain names which are resolved to the IP address of this C&C server, it pretends to control even old bots, first seen back in 2015. ” reads the analysis published by Checkpoint security.

Malware 45

Malware DNS Encryption Banking 45

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 78

IoT DDOS Architecture Malware 78

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 70

Internet Internet Telecommunications DNS 70

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 77

DNS Banking Advertising Ransomware 77

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 78

DDOS System Administration Advertising DNS 78

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 79

Ransomware Encryption Malware Cyber Attacks 79

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 90

VPN Internet Internet Small Business 90

Security Affairs

AUGUST 7, 2019

T1094) mainly developed using DNS resolutions (which is actually one of the main characteristic of the attacker group). They begun development by introducing crafted communication protocol over DNS and later they added, to such a layer, encoding and encryption self build protocols. Pierluigi Paganini.

Computers and Electronics 79

Computers and Electronics Penetration Testing DNS Phishing 79

SecureList

DECEMBER 8, 2022

However, some of the YouTube links observed are unlisted and go back to 2015, indicating a possible infrastructure reuse. In addition, newer Janicab variants have changed significantly in structure compared to older Janicab Windows variants from 2015. Janicab 2015 listing of DDRs. Dropped files: cab.cabzipContentK.dll.

Malware 108

Malware DNS Engineering Internet 108

Security Affairs

APRIL 1, 2019

But if we go on the Akamai blog we can still find a reference to Elknot posted on April 4, 2016 on a topic referred to “ BillGates ”, another DDoS malware whose “ attack vectors available within the toolkit include: ICMP flood, TCP flood, UDP flood, SYN flood, HTTP Flood (Layer7) and DNS reflection floods.

DDOS 81

DDOS Malware Encryption Penetration Testing 81

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

Cisco Security

AUGUST 28, 2023

At each conference, we have a hack-a-thon: to create, prove, test, improve and finally put into production new or improved integrations. 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.

Wireless 60

Wireless DNS Mobile Technology 60

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. SecurityAffairs – Muncy malware, hacking). Pay attention.

Malware 76

Malware Phishing DNS Engineering 76

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. APT, hacking).

Banking 53

Banking Cybercrime Cybersecurity Advertising 53

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 78

Computers and Electronics Penetration Testing Malware Phishing 78

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 57

Malware DNS Architecture Advertising 57

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 68

Malware Advertising DNS Antivirus 68

SecureList

APRIL 27, 2021

It was first publicly documented in 2014, in the aftermath of the Gamma Group hacking incident. Although Lyceum still prefers taking advantage of DNS tunneling, it appears to have replaced the previously documented.NET payload with a new C++ backdoor and a PowerShell script that serve the same purpose.

Malware 142

Malware Spyware Government Social Engineering 142