New Tomiris Backdoor Found Linked to Hackers Behind SolarWinds Cyberattack

Cybersecurity researchers on Wednesday disclosed a previously undocumented backdoor likely designed and developed by the Nobelium advanced persistent threat APT behind last year's SolarWinds supply chain attack, joining the threat actor's ever-expanding arsenal of hacking tools...

DarkHalo after SolarWinds: the Tomiris connection

Background In December 2020, news of the SolarWinds incident took the world by storm. While supply-chain attacks were already a documented attack vector leveraged by a number of APT actors, this specific campaign stood out due to the extreme carefulness of the attackers and the high-profile natur...

SUSE SLES15 Security Update : nodejs12 (SUSE-SU-2021:2875-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2875-1 advisory. Update to 12.22.5: - CVE-2021-3672/CVE-2021-22931: Improper handling of untypical characters in domain names bsc1189370, bsc1188881 -...

What is DNS Hijacking❓ Basic methods of protection

DNS hijacking is a common cyberattack technique known as domain name server reconfiguration. The attacker’s goal is to redirect the user to a bogus website created by them. Domain Name Server Hijacking. Also referred to as DNS redirection, the process is utilized by hackers to alter the resolutio...

D-Link DIR-2640-US Incorrect Access Control Vulnerability

The D-Link DIR-2640-US is a network router device. A security vulnerability exists in the D-Link DIR-2640-US, which can be exploited by an attacker to use telnet login, modify routing information, monitor the traffic of all devices under the router, hijack DNS, and phishing attacks...

CVE-2021-34203

D-Link DIR-2640-US 1.01B04 is vulnerable to Incorrect Access Control. Router ac2600 dir-2640-us, when setting PPPoE, will start quagga process in the way of whole network monitoring, and this function uses the original default password and port. An attacker can easily use telnet to log in, modify...

CVE-2021-34203

CVE-2021-34203 affects the D-Link DIR-2640-US router (version 1.01B04). The vulnerability is described as Incorrect Access Control during PPPoE setup, where the router starts the quagga process with the original default password and port, allowing an attacker to log in via telnet, modify routing ...

Reddit: Domain Takeover of Reddit.ru via DNS Hijacking

Summary I discovered that Reddit.ru was vulnerable to DNS hijacking via DNS provider, Reg.ru. This would allow a malicious attacker to control the content on this domain, as well as, create email addresses associated with it... I'm going to be totally honest and say that any of us ethical hackers...

Intelbras Router RF 301K - 'DNS Hijacking' Cross-Site Request Forgery (CSRF)

Exploit Title: Intelbras Router RF 301K - 'DNS Hijacking' Cross-Site Request Forgery CSRF Date: 01/05/2021 Exploit Author: Rodolfo Mariano Version: Firmware 1.1.2-1.1.5 CVE: 2021-32403 Exploit Code: document.forms0.submit;...

Intelbras Router RF 301K Cross Site Request Forgery

Exploit Title: Intelbras Router RF 301K - 'DNS Hijacking' Cross-Site Request Forgery CSRF Date: 01/05/2021 Exploit Author: Rodolfo Mariano Version: Firmware 1.1.2-1.1.5 CVE: 2021-32403 Exploit Code: document.forms0.submit;...

Intelbras Router RF 301K - (DNS Hijacking) Cross-Site Request Forgery Vulnerability

Exploit Title: Intelbras Router RF 301K - 'DNS Hijacking' Cross-Site Request Forgery CSRF Exploit Author: Rodolfo Mariano Version: Firmware 1.1.2-1.1.5 CVE: 2021-32403 Exploit Code: document.forms0.submit;...

CVE-2020-4471

IBM Spectrum Protect Plus 10.1.0–10.1.5 is affected by CVE-2020-4471. An unauthenticated attacker could cause a denial of service or hijack DNS sessions by sending a specially crafted HTTP command to the remote server. Impact is described in the cited IBM bulletin and external references, with CV...

Threat Source newsletter (Jan. 30, 2020)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. Be sure to pay close attention Tuesday for some changes we have coming to Snort.org. We’ll spare you the details for now, but please bea...

2019: The year in malware

By Jon Munshaw. From ransomware attacks to DNS deception, attackers were just as active as ever in 2019. This year saw a number of big-name malware families come onto the scene, including Sea Turtle, one of the most high-profile DNS hijacking attempts in recent memory. BlueKeep also stirred up...

Talos takes home top research honors at Virus Bulletin conference

By Jon Munshaw Researchers from Cisco Talos brought up the top award at this year’s Virus Bulletin conference. Talos received the Péter Ször Award — named for the prolific security researcher who was a longtime contributor to Virus Bulletin and passed away in 2013 — for our research into several...

All the places you can see and hear Talos at Black Hat 2019

It is once again time for Security Summer Camp – the annual week when security experts descend upon Las Vegas for Black Hat and DEFCON. Talos will be around all week, but we want to start off with a Black Hat preview — the Defcon one will be here later today. Throughout the conference, Talos...

NCSC Releases Advisory on Ongoing DNS Hijacking Campaign

The United Kingdom’s National Cyber Security Centre NCSC has released an advisory about an ongoing Domain Name System DNS hijacking campaign. The advisory details risks and mitigations for organizations to defend against this campaign, in which attackers use compromised credentials to modify the...

Threat Source newsletter (July 11, 2019)

Newsletter compiled by Jonathan Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. Generally, when we write about a threat group or attack, that threat will calm down for a while. After all, it’s much for difficult...

Sea Turtle keeps on swimming, finds new victims, DNS hijacking techniques

By Danny Adamitis with contributions from Paul Rascagneres. Executive summary After several months of activity, the actors behind the "Sea Turtle" DNS hijacking campaign are not slowing down. Cisco Talos recently discovered new details that suggest they regrouped after we published our initial...

Google Announces DNS over HTTPS 'General Availability'

Google announced general availability of its Public DNS-over-HTTPS service Wednesday, based on the Internet Engineering Task Force’s RFC 8484 standard. The move is a culmination of three years of Google fine-tuning DNS over HTTPS, otherwise known as DoH. “Today we are announcing general...