Krebs on Security

SEPTEMBER 30, 2023

The government says Snatch used a customized ransomware variant notable for rebooting Microsoft Windows devices into Safe Mode — enabling the ransomware to circumvent detection by antivirus or endpoint protection — and then encrypting files when few services are running. ru using the email address tretyakov-files@yandex.ru.

Ransomware 225

Ransomware Accountability Cybercrime Backups 225

Security Affairs

OCTOBER 17, 2018

Yoroi security firm uncovered a targeted attack against one of the most important companies in the Italian Naval Industry leveraging MartyMcFly Malware. Using an encrypted payload is quite a common way to evade Antivirus, since the encrypted payload changes depending on the used key. Stage1: Encrypted Content. But what is the key?

Malware 86

Malware Computers and Electronics Encryption Penetration Testing 86

The Last Watchdog

FEBRUARY 28, 2021

Regardless of how familiar you are with Information Security, you’ve probably come across the term ‘malware’ countless times. From accessing your business-critical resources and sensitive information to halting business operations and services, a malware infection can quickly become an organization’s worst nightmare come true.

Cyber threats 113

Cyber threats Computers and Electronics Adware Spyware 113

SecureList

MARCH 28, 2023

Although we have written about a similar malware attack in 2017 in one of our blogposts , the technique is still very relevant today as it doesn’t have any perfect solution from the perspective of operating system design. They were replicated and reused in other malware too.

Cryptocurrency 107

Cryptocurrency Malware Banking Passwords 107

Security Affairs

JANUARY 29, 2021

Microsoft Threat Intelligence Center (MSTIC) attributes this campaign with high confidence to ZINC, a DPRK-affiliated and state-sponsored group, based on observed tradecraft, infrastructure, malware patterns, and account affiliations.” Attackers used Twitter profiles for sharing links to a blog under their control ( br0vvnn[.]io

Malware 110

Malware Antivirus Hacking Accountability 110

CyberSecurity Insiders

MAY 31, 2023

This blog was jointly written with Alejandro Prada and Ofer Caspi. The malware combines several open-source projects to improve its capabilities. It was around that time that the malware was first observed in the wild, appearing with 0 detections on VirusTotal. in March 2023, which is the most current version.

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Malware Antivirus Encryption Advertising 117

eSecurity Planet

DECEMBER 3, 2021

Brian Krebs is an independent investigative reporter known for his coverage of technology, malware , data breaches , and cybercrime developments. Krebs wrote for The Washington Post between 1995 and 2009 before launching his current blog KrebsOnSecurity.com. Brian Krebs | @briankrebs. Bruce Schneier | @schneierblog.

Accountability 139

Accountability Cybersecurity Penetration Testing InfoSec 139

Fox IT

MAY 4, 2021

In this post we provide some history, analysis and observations on this most pernicious family of banking malware targeting Oceania, the UK, Germany and Italy. Despite its long and rich history in the cyber-criminal underworld, the Gozi malware family is surrounded with mystery and confusion. Introduction.

Banking 98

Banking Malware Encryption Architecture 98

Malwarebytes

JULY 30, 2021

LemonDuck has evolved from a Monero cryptominer into LemonCat, a Trojan that specializes in backdoor installation, credential and data theft, and malware delivery, according to the Microsoft 365 Defender Threat Intelligence Team, which explained their findings in a two-part story [ 1 ][ 2 ] on the Microsoft Security blog.

Malware 93

Malware Penetration Testing Passwords Antivirus 93

Krebs on Security

JUNE 25, 2019

” What follows is a deep dive into the identity of that Chinese vendor, which appears to have a long and storied history of pushing the envelope on mobile malware. com — were implicated in propagating the Triada malware. Google declined to elaborate on its blog post. “Yehuo” ( ? ? ) com and rurimeter[.]com

Mobile 254

Mobile Technology Manufacturing Malware 254

Security Affairs

MAY 23, 2019

Sha256 e2f931207a217983c8608253b137b7874f5b402b15039b3788e5fa2e8fc040da Threat cve-2017-0199 document Brief Description Document Dropper exploiting cve-2017-0199 Ssdeep 96:Hd4+dGCbidUEd9IUfPLIuSdFpMcuGg5mLWStWiWrVMd92c SCedL0m03mbRTiqhrr:C+bcyucyMtWNYk0mqQTnhr5OARQT6. The Broken Doc. Sample information. biz/js/Oj1/smile.doc”.

Antivirus 81

Antivirus Malware Advertising Cyber Attacks 81

Krebs on Security

JULY 8, 2019

But GandCrab far eclipsed the success of competing ransomware affiliate programs largely because its authors worked assiduously to update the malware so that it could evade antivirus and other security defenses. It remains unclear how many individuals were active in the core GandCrab malware development team. of GandCrab.

Ransomware 260

Ransomware Accountability Cybercrime Passwords 260

Malwarebytes

FEBRUARY 25, 2022

In tandem with the physical strikes against Ukraine, a piece of wiper malware first detected by researchers at Symantec and ESET had already begun targeting organizations in Ukraine. Current analyses of HermeticWiper reveal that the malware is being delivered in highly-targeted attacks in Ukraine, Latvia, and Lithuania.

Cybersecurity 101

Cybersecurity Ransomware Malware Government 101

Krebs on Security

JUNE 25, 2019

” What follows is a deep dive into the identity of that Chinese vendor, which appears to have a long and storied history of pushing the envelope on mobile malware. com — were implicated in propagating the Triada malware. Google declined to elaborate on its blog post. “Yehuo” ( ? ? ) com and rurimeter[.]com

Mobile 169

Mobile Technology Manufacturing Software 169

Pentester Academy

FEBRUARY 23, 2023

Introduction In May 2017, a worldwide ransomware attack infamously known as WannaCry was set in motion. This ransomware made use of the EternalBlue , an exploit of Microsoft’s implementation of their SMB protocol, released by The Shadow Brokers hacker group in April 2017, to gain access to remote Windows machines in most cases.

Ransomware 52

Ransomware Encryption Cryptocurrency Banking 52

SecureList

AUGUST 12, 2021

Web antivirus recognized 675,832,360 unique URLs as malicious. Attempts to run malware for stealing money from online bank accounts were stopped on the computers of 119,252 unique users. Our file antivirus detected 68,294,298 unique malicious and potentially unwanted objects. Geography of financial malware attacks.

Adware 97

Adware Malware Ransomware IoT 97

SecureList

APRIL 27, 2021

In our initial report on Sunburst , we examined the method used by the malware to communicate with its C2 (command-and-control) server and the protocol used to upgrade victims for further exploitation. This campaign made use of a previously unknown malware family we dubbed FourteenHi. webshells and Exaramel implants.

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Malware Spyware Government Social Engineering 142

The Last Watchdog

AUGUST 15, 2019

A survey of local media reports by Recorded Future tallied 38 ransomware attacks against cities in 2017, rising to 53 attacks in 2018. While reporting for USA Today in 2009, I wrote about how fraudsters launched scareware campaigns to lock up computer screens as a means to extract $80 for worthless antivirus protection.

Ransomware 196

Ransomware Internet Internet Hacking 196

Security Boulevard

AUGUST 18, 2022

i) Detect Analysis Tools: The malware detects the below mentioned analysis tools by decrypting the tool names using a XOR-based Decryption routine. If any of the analysis tools exist, the malware execution is terminated. ii) Detect Execution Directory: In this case, the malware checks the directory in which it is being executed.

Banking 52

Banking Phishing Malware Antivirus 52

Security Affairs

APRIL 9, 2019

Too many times turned into fully-featured malware implants by unethical hackers and cyber criminals. The installed payload actually is a Base64 encoded PE32 file, file-lessly stored within the registry hive to avoid antivirus detection. Technical Analysis. The first one targets the Windows versions lower than 8.1, C2 retrieval.

Malware 69

Malware Advertising DNS Antivirus 69

eSecurity Planet

FEBRUARY 8, 2021

According to security firm Gemini Advisory, the Fin7 hacker group stole data on more than five million credit and debit cards that had been used at HBC credit card terminals beginning in May 2017. vSkimmer malware, a successor to Dexter, dates back to 2013. Evolving threats. Errors to avoid.

Retail 52

Retail Encryption Malware Artificial Intelligence 52

SecureList

FEBRUARY 15, 2021

The email antivirus was triggered most frequently by email messages containing members of the Trojan.Win32.Agentb Agentb malware family. Theft of work accounts and infecting of office computers with malware in targeted attacks are the main risk that companies have faced this year. Malware families. per cent).

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Phishing Malware Scams Accountability 139

Spinone

DECEMBER 16, 2019

Ransomware is a special malware that blocks access to your data or device until you pay a ransom, hence the name. Ransomware Examples WannaCry was one of the major headliners in 2017. Petya was a reason behind many attacks during 2016 and 2017. In 2017, every 40 seconds someone got a ransomware infection.

Ransomware 52

Ransomware Cybersecurity Backups Social Engineering 52

SecureList

JANUARY 11, 2021

On December 13, 2020, FireEye published a blog post detailing a supply chain attack leveraging Orion IT, an infrastructure monitoring and management platform by SolarWinds. In a previous blog, we dissected the method used by Sunburst to communicate with its C2 server and the protocol by which victims are upgraded for further exploitation.

Malware 65

Malware Media Internet Internet 65