The Last Watchdog

MARCH 17, 2020

Encryption is a cornerstone of digital commerce. Related: A ‘homomorphic-like’ encryption solution We know very well how to encrypt data in transit. And we’ve mastered how to encrypt — and decrypt — data at rest. PKI is the authentication and encryption framework on which the Internet is built.

Encryption 171

Encryption Cloud Authentication IoT 171

Security Affairs

OCTOBER 13, 2021

.” The malware was first spotted in February 2018 by researchers from Proofpoint when the bot was using the EternalBlue exploit to infect Windows computers and recruit them in Monero cryptocurrency mining activities. Encryption used is a very simple ROT cipher, where the key is set to -1.” ” continues the analysis.

ROT 326

ROT Mining Encryption IT 326

Security Affairs

JUNE 15, 2020

the malicious code encrypts files and appends the.DEMON extension to filenames of the encrypted documents. and Italy hosting Android and cryptocurrency mining malware.” Black Kingdom ransomware was first spotted in late February by security researcher GrujaRS. Early this year, the U.S. “It [198.13.49[.]179]

Ransomware 347

Ransomware Mining Encryption Access 347

Security Affairs

MAY 27, 2021

The tools associated with this attack are: • Mimikatz (credential theft) • MinerGate (crypto mining) • WinPEAS (privilege escalation) • SharpWMI (Windows Management Instrumentation) • BitLocker activation when not anticipated (data encryption) • WinRAR where not expected (archiving) • FileZilla where not expected (file transfer).

Government 335

Government Mining Archiving Encryption 335

Security Affairs

APRIL 26, 2024

Emerging threats Cybercrime often exploits precisely the lack of regulation and centralized controls of cryptocurrencies to deceive investors and embezzle funds through various forms of phishing, investment scams, digital wallet theft, ransomware, and illegal mining.

Education 319

Education Mining Encryption Cybersecurity 319

Security Affairs

JANUARY 8, 2021

Upon executing the code, it will ask the user the path for the payload to be encrypted and the password to be used for AES encryption to hide the malware within the loader. Then the packer compiles the loader with the payload encrypted within it, so it can be decrypted and executed in memory once it is delivered in the targeted system.

Encryption 363

Encryption Passwords Mining IT 363

Security Affairs

OCTOBER 23, 2020

And part of the information system would have been encrypted.” A few days before, EVRAZ , one of the world’s largest multinational vertically integrated steel making and mining companies, has been hit by the Ryuk ransomware. . “According to our sources, the incident started to spread during the course of last night.

Ransomware 356

Ransomware Computer and Electronics Mining Manufacturing 356

Security Affairs

OCTOBER 28, 2018

Earlier this year Sysdig and Aqua Security researchers started observing cyber attacks targeting Kubernets and Docker instances aimed at mining Monero cryptocurrency. Miscreants can abuse Docker Engine API to deploy containers they have created with the specific intent of mining cryptocurrencies. Docker Trusted Registry ).

Mining 275

Mining Systems administration Encryption Authentication 275

Krebs on Security

SEPTEMBER 22, 2023

This is significant because in November 2022, LastPass disclosed a breach in which hackers stole password vaults containing both encrypted and plaintext data for more than 25 million users. The more iterations, the longer it takes an offline attacker to crack your master password. “LastPass in my book is one step above snake-oil.

Passwords 320

Passwords Encryption Mining Security 320

Security Affairs

SEPTEMBER 17, 2021

Upon infecting a system, the malware abuses its resources to mine cryptocurrency. . “Around the same time the news was spreading about these crypto mining malware attacks, SIRT honeypots were infected with PHP malware that arrived via a backdoored addition to a WordPress plugin named download-monitor.”

Honeypots 279

Honeypots Mining Encryption Access 279

Security Affairs

FEBRUARY 19, 2019

This file acts as downloader in the infection chain, using a series of hard-coded server addresses, It heavily rely on obfuscation and encryption to avoid the antimalware detection. Shade encrypts all the user files using an AES encryption scheme. Background of the infected machine, after encryption phase. Conclusions.

Ransomware 249

Ransomware Mining File names Encryption 249

Security Affairs

JULY 25, 2019

Experts at Intezer researchers have spotted a strain of the Linux mining that also scans the Internet for Windows RDP servers vulnerable to the Bluekeep. The BlueKeep scanner implemented in the WatchBog scans the Internet for vulnerable systems and submits the RC$-encrypted list of RDP hosts, to servers controlled by its operators.

Mining 253

Mining Encryption IT Security 253

Security Affairs

AUGUST 19, 2020

” The botnet’s P2P communication is encrypted using AES for symmetric encryption and the Diffie-Hellman protocol for key exchange. . “FritzFrog is completely proprietary; its P2P implementation was written from scratch, teaching us that the attackers are highly professional software developers.”

Encryption 363

Encryption Mining Communications Access 363

Security Affairs

AUGUST 23, 2024

The group typically employs “double extortion,” stealing and encrypting victims’ data, then threatening to expose it unless a ransom is paid. The Qilin ransomware group has been active since at least 2022 but gained attention in June 2024 for attacking Synnovis , a UK governmental service provider for healthcare.

Ransomware 335

Ransomware Passwords Mining Encryption 335

Security Affairs

NOVEMBER 9, 2018

National Mining Office for Hydrocarbons & Geo-resources. Hackers were able to obtain 97 un-encrypted passwords, emails, telephone numbers, virtual hosts. Italian Military Personnel and National Association of Professional Educators. The ILIESI Institute for the European Intellectual Lexicon. 53 Databases Total: [link].

Passwords 279

Passwords Archiving Mining Education 279

Security Affairs

SEPTEMBER 22, 2022

This may allow hackers to gain server privileges, delete or steal data, or even lead to an encryption extortion, critically endangering normal business services.” SecurityAffairs – hacking, mining). ” reads the post published by Zhu on September 11, 2022. Follow me on Twitter: @securityaffairs and Facebook.

Mining 291

Mining Data structuring Business Services Encryption 291

Security Affairs

FEBRUARY 2, 2020

The p opular ProtonMail end-to-end encrypted email service and ProtonVPN VPN service have been blocked by the Russian government this week. This week the Russian government has blocked the ProtonMail end-to-end encrypted email service and ProtonVPN VPN service.

Government 271

Government Mining Encryption Access 271

Security Affairs

MARCH 9, 2023

Fortinet researchers observed the mining group 8220 Gang using a new crypter called ScrubCrypt in cryptojacking attacks. “This payload extracts ScrubCrypt, which obfuscates and encrypts applications and makes them able to dodge security programs. . ” reads the analysis published by Fortinet. ” concludes the report.

Mining 246

Mining Encryption Sales Security 246

Security Affairs

JUNE 24, 2024

Over the past year, ExCobalt targeted Russian organizations in the the following industries: Metallurgy Telecommunications Mining Information technology Government Software development The Cobalt’s hallmark was the use of the CobInt tool , the same tool that ExCobalt began using in 2022.

File names 292

File names Communications Mining Archiving 292

Security Affairs

AUGUST 4, 2021

In recent months the number of cyberattacks against misconfigured Kybernetes systems has surged, threat actors mainly used the to illegally mine cryptocurrencies. Use firewalls to limit unneeded network connectivity and encryption to protect confidentiality. Run containers and Pods with the least privileges possible.

Security 271

Security Systems administration Mining Risk 271

Security Affairs

NOVEMBER 18, 2020

bin, researchers also observed the use of a cryptocurrency mining module. . Experts observed several variants over the recent months, it authors have improved encryption and implemented new functionality of the final Node.js The malware also installs three other files, hhc.exe, hha.dll and chaes1.bin,

Phishing 329

Phishing Mining Libraries Encryption 329

Security Affairs

JUNE 26, 2024

Researchers warn that the P2Pinfect worm is targeting Redis servers with ransomware and cryptocurrency mining payloads. Cado Security researchers warned that the P2Pinfect worm is employed in attacks against Redis servers, aimed at deploying both ransomware and cryptocurrency mining payloads. lockedfiles appended.”

Ransomware 312

Ransomware Mining Passwords Access 312

Security Affairs

FEBRUARY 28, 2019

For example, after encryption, the file “1.jpg” Nheqminer is a great implementation of equihash mining, mainly used on NiceHas but forked many times and todays is getting used for several spare projects as well. According to zcashnetwork the attacker’s wallet received from mining activity 4.89 crypted000007” extension to each.

Ransomware 263

Ransomware Mining File names Encryption 263

Security Affairs

SEPTEMBER 25, 2022

builder Over 39K unauthenticated Redis services on the internet targeted in cryptocurrency campaign Hackers stole $160 Million from Crypto market maker Wintermute U.S. gov adds more Chinese Telecom firms to the Covered List Imperva blocked a record DDoS attack with 25.3

Security 250

Security Mining Data breaches Encryption 250

Security Affairs

JUNE 13, 2021

million customers impacted. million customers impacted.

Security 239

Security Data breaches Mining Ransomware 239

Security Affairs

APRIL 24, 2024

Below the infection chain described by Avast: The eScan updater triggers the update The downloaded package file is replaced with a malicious one on the wire because of a missing HTTPS encryption (MitM is performed) A malicious package updll62.dlz

Cleanup 324

Cleanup Mining Encryption IT 324

Krebs on Security

SEPTEMBER 5, 2023

In November 2022, the password manager service LastPass disclosed a breach in which hackers stole password vaults containing both encrypted and plaintext data for more than 25 million users. LastPass disclosed that criminal hackers had compromised encrypted copies of some password vaults, as well as other personal information.

Passwords 361

Passwords Encryption Blockchain Data breaches 361

The Last Watchdog

SEPTEMBER 18, 2018

One reason for the enduring waves of ransomware is that unstructured data is easy for hackers to locate and simple for them to encrypt. But with no orderly internal framework, unstructured data defies data mining tools. Ransomware “is encrypting files, unstructured data.” Ransomware target. Delete data.

Unstructured data 194

Unstructured data Ransomware Mining Encryption 194

Krebs on Security

MARCH 28, 2021

Watson said the Krebsonsecurity file will attempt to open up an encrypted connection between the Exchange server and the above-mentioned IP address, and send a small amount of traffic to it each minute. The Krebsonsecurity file also installs a root certificate, modifies the system registry, and tells Windows Defender not to scan the file.

Honeypots 363

Honeypots Mining Encryption Communications 363

Security Affairs

APRIL 28, 2020

This directory contains the crypto mining module named kswapd0. This component has two main functions: Install a cryptoMiner worker: The main purpose of this elf file is the instantiation of a crypto-mining worker. It is a fork of XMRIG project, one of the most popular software to mine monero crypto values.

Mining 333

Mining File names Honeypots IT 333

Security Affairs

DECEMBER 21, 2021

Xmrig is an open sourced Monero CPU Miner used to mine Monero cryptocurrency. Kinsing is a self-propagating crypto mining malware previously targeting misconfigured open Docker Daemon API ports. The ransomware encrypted the files with the extension ‘.locked’ Coinminers. Figure 1: Shell script downloading and executing Xmrig.

Honeypots 275

Honeypots Ransomware Mining Encryption 275

Security Affairs

SEPTEMBER 29, 2018

. “Unlike the aforementioned IoT botnets, this one tries to be more stealthy and persistent once the device is compromised, and it does not (yet) do the usual stuff a botnet does like DDOS , attacking all the devices connected to the internet, or, of course, mining cryptocurrencies.”

IoT 275

IoT Communications Mining Encryption 275

Security Affairs

AUGUST 8, 2018

DDoS attacks, ransomware-based campaigns, cryptocurrency mining campaigns). 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.

Encryption 183

Encryption Mining Security Ransomware 183

Security Affairs

JULY 29, 2018

. “Underminer delivers a bootkit that infects the system’s boot sectors as well as a cryptocurrency-mining malware named Hidden Mellifera.” ” Researchers first noticed the Underminer Exploit activity on July 17 while it was distributing the payloads mainly to Asian countries, mostly in Japan (69,75%) and Taiwan (10,52%).

Encryption 176

Encryption Mining Security Access 176

Security Affairs

AUGUST 25, 2019

million to allow towns to access encrypted data. Employees abused systems at Ukrainian nuclear power plant to mine cryptocurrency. Texas attackers demand $2.5 The Dangers of Using Unsecured Wi-Fi Networks. A new variant of Asruex Trojan exploits very old Office, Adobe flaws.

Security 194

Security Mining Data breaches Libraries 194

Schneier on Security

FEBRUARY 28, 2020

This month, they're featuring as many as nineteen cybersecurity books for as little as $1, including four of mine. Part of the money goes to support the EFF or Let's Encrypt. For years, Humble Bundle has been selling great books at a "pay what you can afford" model. These are digital copies, all DRM-free.

Cybersecurity 106

Cybersecurity Mining Encryption 106

Security Affairs

NOVEMBER 19, 2019

The main functionality of the malware is to encrypt data on the computer and make ransom demands. The most recent Troldesh campaigns show that it now does not just encrypt files, but also can mine cryptocurrency and generate phony traffic on websites to increase revenue from ad-fraud ( [link] ).

Ransomware 247

Ransomware Archiving Passwords Encryption 247