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.

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Honeypots Mining Encryption Communications 357

Security Affairs

SEPTEMBER 19, 2022

The TeamTNT botnet is a crypto-mining malware operation that has been active since April 2020 and targets Docker installs. ” The Pollard’s Kangaroo interval ECDLP solver algorithm appears to be an attempt to break the SECP256K1 encryption which is used by Bitcoin to implement its public key cryptography. Pierluigi Paganini.

Encryption 98

Encryption Honeypots Mining Communications 98

Security Affairs

NOVEMBER 26, 2019

The malicious code abuse of the resources of the infected machine to mine cryptocurrency , according to the experts it has already infected 80,000 computers worldwide. Layers of obfuscation, encryption, and the use of randomized file names hid the installation process. ”reads the analysis published by Microsoft.

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File names Encryption Mining Security 145

Schneier on Security

MARCH 28, 2024

As long as the GoFetch app and the targeted cryptography app are running on the same performance cluster—­even when on separate cores within that cluster­—GoFetch can mine enough secrets to leak a secret key.

Encryption 121

Encryption Mining Access IT 121

Security Affairs

OCTOBER 4, 2024

The Linux malware is packed and encrypted to evade detection. “All the binaries are packed, stripped, and encrypted, indicating significant efforts to bypass defense mechanisms and hinder reverse engineering attempts. The cryptominer is also packed and encrypted. ldd , lsof ) that function as user-land rootkits.

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Encryption Communications Mining Access 134

Security Affairs

FEBRUARY 5, 2021

The TeamTNT botnet is a crypto-mining malware operation that has been active since April 2020 and that targets Docker installs. The malware deploys the XMRig mining tool to mine Monero cryptocurrency. It also hides malicious processes using library injection and encrypts the malicious payload. aws/credentials and ~/.aws/config

Mining 119

Mining Libraries Encryption Access 119

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.

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ROT Mining Encryption IT 132

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.

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Cybersecurity Mining Encryption 94

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]

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Ransomware Mining Encryption Access 139

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 135

Government Mining Archiving Encryption 135

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.

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Education Mining Encryption Cybersecurity 129

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.

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Encryption Passwords Mining IT 145

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.

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Ransomware Computer and Electronics Mining Manufacturing 142

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 ).

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Mining Systems administration Encryption Authentication 110

Krebs on Security

SEPTEMBER 4, 2018

Before it was taken offline sometime in the past 12 hours, the database contained millions of records, including the username, password and private encryption key of each mSpy customer who logged in to the mSpy site or purchased an mSpy license over the past six months. ” Some of those “points of access” were mine.

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Passwords Encryption Authentication Mining 212

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.”

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Honeypots Mining Encryption Access 112

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.

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Ransomware Mining File names Encryption 99

Krebs on Security

DECEMBER 29, 2022

You just knew 2022 was going to be The Year of Crypto Grift when two of the world’s most popular antivirus makers — Norton and Avira — kicked things off by installing cryptocurrency mining programs on customer computers. ” SEPTEMBER.

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Passwords Ransomware Computer and Electronics Access 266

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.

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Mining Encryption IT Security 102

eSecurity Planet

JUNE 16, 2022

Cyber criminals may damage, destroy, steal, encrypt, expose, or leak data as well as cause harm to a system. Encrypted threats spiked 167%, ransomware increased 105%, and 5.4 In May, cybersecurity researchers revealed that ransomware attacks are increasing their aggressive approach by destroying data instead of encrypting it.

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Ransomware Cybersecurity Phishing Encryption 137

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.

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Ransomware Passwords Mining Encryption 135

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.”

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Encryption Mining Communications Access 145

Krebs on Security

FEBRUARY 24, 2023

The Mylobot malware includes more than 1,000 hard-coded and encrypted domain names, any one of which can be registered and used as control networks for the infected hosts. “I had an account that was simply hacked from me shortly after and I never bothered about it because it wasn’t mine in the first place,” he explained.

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Passwords Blockchain Mining Marketing 264

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].

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Passwords Archiving Mining Education 111

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.

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Mining Data structuring Business Services Encryption 117

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.

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Government Mining Encryption Access 109

eSecurity Planet

SEPTEMBER 21, 2022

A retired threat actor has returned with new attacks aimed at the cloud, containers – and encryption keys. All internet communications, including SSL and SSH, rely on private and public keys for encryption. It’s the fundamental principle of modern cryptography: encryption must be a one-way operation.

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Cloud Encryption Honeypots Mining 121

Schneier on Security

JULY 4, 2019

After I gave him the password to my iPhone, Moncivias spent three hours reviewing hundreds of photos and videos and emails and calls and texts, including encrypted messages on WhatsApp, Signal, and Telegram. Nothing on mine was spared. He asked about the identities of people who have worked with me in war zones.

Mining 106

Mining Passwords Encryption Communications 106

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.

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Mining Encryption Sales Security 98

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.

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File names Communications Mining Archiving 118

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,

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Phishing Mining Libraries Encryption 133

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.

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Security Systems administration Mining Risk 109

IBM Big Data Hub

DECEMBER 13, 2023

Most cryptosystems begin with an unencrypted message known as plaintext, which is then encrypted into an indecipherable code known as ciphertext using one or more encryption keys. Non-repudiation: The creator/sender of encrypted information cannot deny their intention to send the information. are kept secure.

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Encryption Passwords Authentication Security 99

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.”

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Ransomware Mining Passwords Access 126

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.

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Ransomware Mining File names Encryption 105

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

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Cleanup Mining Encryption IT 131

Security Affairs

JUNE 13, 2021

million customers impacted. million customers impacted.

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Security Data breaches Mining Ransomware 96