Krebs on Security

FEBRUARY 4, 2019

But several more recent malware spam campaigns suggest GoDaddy’s fix hasn’t gone far enough, and that scammers likely still have a sizable arsenal of hijacked GoDaddy domains at their disposal. The domains documented by MyOnlineSecurity all had their DNS records altered between Jan. 31 and Feb. Image: Farsight Security.

DNS 234

DNS Ransomware Accountability Internet 234

Krebs on Security

JANUARY 22, 2019

In July 2018, email users around the world began complaining of receiving spam which began with a password the recipient used at some point in the past and threatened to release embarrassing videos of the recipient unless a bitcoin ransom was paid. 13, 2018 bomb threat hoax. ” SAY WHAT? ” SAY WHAT?

DNS 230

DNS Internet Internet Computers and Electronics 230

Malwarebytes

DECEMBER 1, 2023

The list includes Amazon (banned in 2018), Google (2018), Microsoft (2022), and Cloudflare (2015). For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name. They are also known as content distribution networks.

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DNS Internet Internet Encryption 88

Security Affairs

JANUARY 14, 2021

Malware researchers from ESET uncovered an ongoing surveillance campaign, dubbed Operation Spalax , against Colombian entities exclusively. The operations described by QiAnXin are attributed to an APT group active since at least April 2018. Attackers probably compromised devices to use them as proxies for their C2 servers.

Malware 113

Malware Surveillance Phishing Government 113

Security Affairs

FEBRUARY 1, 2019

Security experts at Cybaze – Yoroi ZLab have analyzed a new sample of the AdvisorsBot malware, a downloader that was first spotted in August 2018. As usual, the malware looks like a legitimate e-mail attachment, named as “invoice.doc”. Figure 3 – Piece of VBS script that starts malware infection. DLL Analysis.

Malware 86

Malware DNS Social Engineering Advertising 86

Security Affairs

JANUARY 24, 2019

A still ongoing spam campaign that has been active during the last months has been distributing the Redaman banking malware. Experts at Palo Alto Networks continue to monitor an ongoing spam campaign that has been distributing the Redaman banking malware. “We found over 100 examples of malspam during the last four months of 2018.

Banking 88

Banking Malware Advertising DNS 88

Krebs on Security

MARCH 2, 2020

A large number of French critical infrastructure firms were hacked as part of an extended malware campaign that appears to have been orchestrated by at least one attacker based in Morocco, KrebsOnSecurity has learned.

DNS 253

DNS Penetration Testing Malware Hacking 253

Security Affairs

JUNE 22, 2021

Experts defined DirtyMoe as a complex malware that has been designed as a modular system. The Windows botnet has been active since late 2017, it was mainly used to mine cryptocurrency, but it was also involved in DDoS attacks in 2018. “Both PurpleFox and DirtyMoe are still active malware and gaining strength.”

DNS 131

DNS Cryptocurrency Internet Internet 131

Krebs on Security

OCTOBER 31, 2023

The top-level domain for the United States — US — is home to thousands of newly-registered domains tied to a malicious link shortening service that facilitates malware and phishing scams, new research suggests. As far back as 2018, Interisle found.US The findings come close on the heels of a report that identified.US

Phishing 261

Phishing Telecommunications Malware Scams 261

Security Affairs

JULY 15, 2020

Security researchers discovered another malware family delivered through tax software that some businesses operating in China are required to install. Security researchers at Trustwave have discovered another malware family delivered through tax software that Chinese banks require companies operating in the country to install.

Software 84

Software Malware Banking Advertising 84

Cisco Security

AUGUST 12, 2021

For several years, Cisco Secure provided DNS visibility and architecture intelligence with Cisco Umbrella and Cisco Umbrella Investigate ; and automated malware analysis and threat intelligence with Cisco Secure Malware Analytics (Threat Grid) , backed by Cisco Talos Intelligence and Cisco SecureX. Malware Analysis.

DNS 136

DNS Firewall Phishing Mobile 136

Security Affairs

MARCH 17, 2022

Microsoft released an open-source tool to secure MikroTik routers and check for indicators of compromise for Trickbot malware infections. Microsoft has released an open-source tool, dubbed RouterOS Scanner, that can be used to secure MikroTik routers and check for indicators of compromise associated with Trickbot malware infections.

Malware 122

Malware DNS Passwords Ransomware 122

Security Affairs

JUNE 27, 2021

Researchers have discovered a strain of cryptocurrency-mining malware, tracked as Crackonosh, that abuses Windows Safe mode to avoid detection. . The researchers started investigating the threat after they became aware that the malware was disabling and uninstalling its antivirus from infected devices. ” continues the report.

Antivirus 112

Antivirus Cryptocurrency Malware Software 112

Security Affairs

SEPTEMBER 17, 2018

Palo Alto Network researchers discovered a new malware, tracked as XBash, that combines features from ransomware, cryptocurrency miners, botnets, and worms. Security researchers at Palo Alto Networks have discovered a new piece of malware, dubbed XBash piece that is targeting both Linux and Microsoft Windows servers.

Cryptocurrency 92

Cryptocurrency Malware Ransomware Cybercrime 92

Security Affairs

APRIL 8, 2019

Kaspersky Lab reported that hundreds of users have been targeted with malware over the past month as part of a recent Roaming Mantis campaign. Security experts at Kaspersky Lab reported that hundreds of users have been targeted with malware over the past month as part of a new campaign associated with Roaming Mantis gang.

DNS 95

DNS Mobile Phishing Malware 95

SecureList

OCTOBER 25, 2023

Introduction It’s just another cryptocurrency miner… Nobody would even suspect the mining malware was merely a mask, masquerading behind an intricate modular framework that supports both Linux and Windows. This malware employed a custom EternalBlue SMBv1 exploit to infiltrate its victims’ systems.

Malware 107

Malware DNS Encryption Cryptocurrency 107

Troy Hunt

JULY 12, 2018

— Troy Hunt (@troyhunt) July 5, 2018. For example, check out how it's used when embedded in the TXT record of a DNS entry which is then loaded into a WHOIS service which doesn't properly output encode the results. This is from CVE-2018-12529 and the sample exploit was taken from the SecurityResearch101 blog. DNS Hijacking.

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DNS Wireless Risk Banking 277

Krebs on Security

FEBRUARY 26, 2023

Web hosting giant GoDaddy made headlines this month when it disclosed that a multi-year breach allowed intruders to steal company source code, siphon customer and employee login credentials, and foist malware on customer websites. But we do know the March 2020 attack was precipitated by a spear-phishing attack against a GoDaddy employee.

Hacking 260

Hacking Social Engineering Phishing Scams 260

Hacker Combat

JULY 5, 2021

Further, it also matches the two variants in how the malware executes file encryption and secures command-line disputes. Similar to FiveHands, the new malicious software utilizes a practicable packer and leverages a value key to decodes its malware payload to create a memory. It also uses the command line reversal “-key.”

Ransomware 132

Ransomware DNS Software Encryption 132

Security Affairs

OCTOBER 15, 2019

The group has been observed using new tactics, techniques, and procedures (TTPs), it is also using updated malware to evade detection. “the actor moved away from hosting the scripts on dedicated servers and instead started to use Domain Name System (DNS) text records.

Cybercrime 65

Cybercrime DNS Malware Advertising 65

Security Affairs

JANUARY 13, 2019

Proofpoint analyzed two strains of malware tracked as ServHelper and FlawedGrace distributed through phishing campaigns by the TA505 crime gang. Security researchers at Proofpoint researchers discovered two strains of malware tracked as ServHelper and FlawedGrace distributed through phishing campaigns by the TA505 crime gang.

Malware 94

Malware DNS Financial Services Retail 94

Security Affairs

MARCH 21, 2022

Then the backdoor contacts the command-and-control (C2) server to downloads and executes other malicious payloads, including the TunnelMole, malware that abuses the DNS protocol to establish a tunnel for malicious purposes, and RC2FM and RC2CL. The LoadEdge backdoor maintains persistence through the Windows registry.

Spyware 88

Spyware DNS Phishing Government 88

Security Affairs

SEPTEMBER 14, 2018

“In August 2018, Unit 42 observed OilRig targeting a government organization using spear-phishing emails to deliver an updated version of a Trojan known as BONDUPDATER. The malware checks that only one instance of it is running at one time, it also locks files to determine how long the main PowerShell process has been executing.

DNS 79

DNS Phishing Government Malware 79

Krebs on Security

APRIL 2, 2019

Canadian police last week raided the residence of a Toronto software developer behind “ Orcus RAT ,” a product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. ” “I am not your A-typical computer geek, Brian,” he wrote in a 2018 email. “I An advertisement for Orcus RAT.

Advertising 215

Advertising Malware Marketing Software 215

Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi. Defense in the real world.

Ransomware 126

Ransomware DNS Encryption Backups 126

Security Affairs

MAY 2, 2021

Every week the best security articles from Security Affairs free for you in your email box. Every week the best security articles from Security Affairs free for you in your email box.

Password Management 58

Password Management DNS Ransomware Malware 58

Krebs on Security

SEPTEMBER 1, 2023

for Germany — which has a far larger market share of domain name registrations than.US — have very low levels of abuse, including phishing and malware,” Marks told KrebsOnSecurity. As far back as 2018, Interisle found.US . “Even very large ccTLDs, like.de “In my view, this situation with.US

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Phishing Telecommunications Government DNS 225

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 88

DNS Malware Advertising Manufacturing 88

Security Affairs

FEBRUARY 8, 2022

Roaming Mantis surfaced in March 2018 when hacked routers in Japan redirecting users to compromised websites. Roaming Mantis is a credential theft and malware campaign that leverages smishing to distribute malicious Android apps in the format of APK files. ” concludes Kaspersky.

Phishing 89

Phishing DNS Malware Hacking 89

Security Affairs

OCTOBER 29, 2020

In early 2019, researchers spotted a new TrickBot backdoor framework dubbed Anchor that was using the anchor_dns tool for abusing the DNS protocol for C2 communications. Ryuk first appeared in the threat landscape in August 2018 as a derivative of the Hermes 2.1

Healthcare 144

Healthcare Ransomware Cybercrime DNS 144

Krebs on Security

AUGUST 30, 2019

-based United Rentals [ NYSE:URI ] is the world’s largest equipment rental company, with some 18,000 employees and earnings of approximately $4 billion in 2018. On August 21, multiple United Rental customers reported receiving invoice emails with booby-trapped links that led to a malware download for anyone who clicked.

Phishing 211

Phishing Marketing Accountability DNS 211

Security Affairs

MARCH 10, 2020

“The threat actors behind this campaign are posting malware embedded inside various hacking tools and cracks for those tools on several websites. “On November 25 2018, the capeturk.com domain expired and was registered by a Vietnamese individual. ” reads the report published Cybereason. ” continues the report.”That

Hacking 120

Hacking Malware Advertising DNS 120

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

Encryption 86

Encryption DNS Phishing Malware 86

Security Affairs

DECEMBER 12, 2019

” The GALLIUM threat actor is active, but its activity was more intense between 2018 and mid-2019. Experts pointed out that GALLIUM threat actors were using common versions of malware and publicly available tools with a few changes to evade detection. link] — bk (Ben K) (@bkMSFT) December 12, 2019.

Telecommunications 69

Telecommunications DNS Malware Advertising 69

Security Affairs

JUNE 18, 2020

The group was first spotted by ESET in 2018, when the experts detected a sophisticated piece of spyware, tracked as InvisiMole, used in targeted attacks in Russia and Ukraine in the previous five years. Experts also observed attackers using a DNS downloader that was designed for long-term, covert access to the target machine.

DNS 83

DNS Advertising Spyware Software 83

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 87

Malware DNS Encryption Education 87

Security Affairs

AUGUST 27, 2019

According to Dragos, the Hexane group has been active since at least the middle of 2018, it intensified its activity since early 2019 with an escalation of tensions within the Middle East. The threat actors carried out spearphishing attacks using weaponized Excel attachments to deliver the DanBot malware. ”concludes the report.

DNS 83

DNS Penetration Testing Passwords Social Engineering 83