eSecurity Planet

OCTOBER 26, 2023

Malicious software frequently uses a large percentage of your device’s resources, resulting in visible decline in performance. Strange Pop-Up Window Messages Unwanted pop-up advertisements or messages that display even while you are not surfing the internet might indicate the presence of adware or other types of malware.

Malware 81

Malware Antivirus Adware Software 81

Malwarebytes

APRIL 6, 2021

The document’s date is 25th March 2021 and the letter, related to export of catalyst for analysis, is written to the Ministry of Ecology and Natural Resources. interpreter, NetTools Python library, Python Rat, the RAT C2 config, as well runner.bat. It is using the platform library to identify the victim’s OS type.

Cyber Attacks 112

Cyber Attacks Phishing Government Malware 112

SecureList

MARCH 1, 2021

All they need to do is correctly identify the application, or at least, the type of applications, that are currently in demand. The page can have any type of design: we have seen a request from a large bank in one case and a message about a search for COVID-19-infected individuals in another.

Mobile 133

Mobile Malware Adware Banking 133

Security Boulevard

DECEMBER 9, 2022

There are different types of containers (Docker, Kubernetes, AWS, and Microsoft Azure), and below you’ll read more about their specific best practices of container security. . This is typically done by assessing and protecting all the images your team downloads and builds. This makes the base image the most important one to secure. .

Architecture 67

Architecture Risk Accountability Software 67

SecureList

MARCH 24, 2022

Contents of phishing kits: basic and complex phishing kits. Contents of simple phishing-kit archive. These phishing kits have two essential components for practical reasons: An HTML page with a phishing data-entry form and related content (style, images, scripts and other multimedia components).

Phishing 106

Phishing Marketing Banking Technology 106

SecureList

DECEMBER 8, 2022

Overall, Janicab shows the same functionalities as its counterpart malware families, but instead of downloading several tools later in the intrusion lifecycle as was the case with EVILNUM and Powersing intrusions, the analyzed samples have most of the tools embedded and obfuscated within the dropper. Encoded VBE script. userprofile%.VBE.

Malware 105

Malware DNS Engineering Internet 105

Security Affairs

FEBRUARY 19, 2019

Trend of malicious JavaScript downloading Shade ransomware (source: ESET). 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. Content of README.txt file. References to an Oil-Gas company.

Ransomware 77

Ransomware Encryption Malware Advertising 77

Security Affairs

AUGUST 3, 2018

Attackers personalized the content of each phishing email reflecting the activity of the target organization and the type of work performed by the employee to whom the email is sent. The attackers used both malicious attachments and links to external resources that are used to download the malicious code.

Phishing 50

Phishing VPN Passwords Software 50

Malwarebytes

AUGUST 18, 2021

Endpoint Security API improvements More message types More notifications, less polling More metadata Improved performance A vulnerability quietly fixed O_NOFOLLOW_ANY Conclusion Endnotes. Me, I download the software development kit (SDK) for the new version, and diff it with the current version. Secret messages revealed?

Firmware 142

Firmware Architecture Risk Engineering 142

Malwarebytes

JANUARY 9, 2023

While Magecart threat actors usually pick domain names after third-party libraries, or Google Analytics, in this case they went with a crypto-inspired theme which we had not seen before. The beginning of the file contains standard CSS content, in this case code to render fonts. Figure 17: Fake AnyDesk website that downloads malware.

DDOS 83

DDOS Scams Cryptocurrency Phishing 83

Malwarebytes

APRIL 26, 2023

Increased potential for damage : Since fileless attacks can operate more stealthily and with greater access to system resources, they may be able to cause more damage to a compromised system than file-based attacks. While both types of attacks often overlap, they are not synonymous.

Malware 71

Malware Software Internet Internet 71

Security Boulevard

FEBRUARY 17, 2022

And by studying these common vulnerability types, why they happen, and how to spot them, you can learn to prevent them and secure your application. Puppeteer is a Node library that allows applications to control a headless build of Chrome or Chromium programmatically. Code injection is also a type of injection issue.

Authentication 104

Authentication Encryption Engineering Firewall 104

Troy Hunt

MARCH 31, 2021

Yeah, me either (at least not the spammy tracky ones that invade both your privacy and your bandwidth), but I also like free content on the web and therein lies the rub; how do content producers monetise their work if they can't put ads on pages? You know how people don't like ads? Linux;+Android+8.0.0;+ATU-LX3)+AppleWebKit/537.36+(KHTML,+like+Gecko)+Chrome/88.0.4324.181+Mobile+Safari/537.36

Technology 363

Technology Mobile Internet Internet 363

SecureList

SEPTEMBER 28, 2021

While the nature of this anomaly remained unknown, we began detecting some suspicious installers of legitimate applications, backdoored with a relatively small obfuscated downloader. Sample contents of the efimicrosoftbooten-us directory. The Trojan loader: Extracts the Trojan from resources and drops it under the name dll.

Encryption 141

Encryption Malware Spyware Architecture 141

SecureList

SEPTEMBER 15, 2022

An unusual malicious bundle (a collection of malicious programs distributed in the form of a single installation file, self-extracting archive or other file with installer-type functionality) recently caught our eye. Contents of the self-extracting archive. Contents of the first and second batch files.

Passwords 98

Passwords Hacking Malware Software 98

SecureList

SEPTEMBER 11, 2023

Geographic distribution of Cuba victims Ransomware The Cuba ransomware is a single file without additional libraries. bat suggested that it served as a stager that initiated all further activity by starting rundll32 and loading the komar65 library into it, which runs the callback function DLLGetClassObjectGuid. Bughatch The komar65.dll

Ransomware 133

Ransomware Encryption Malware DDOS 133

eSecurity Planet

FEBRUARY 16, 2021

Since the early days of computing, a wide range of malware types with varying functions have emerged. As you browse the myriad of malicious software featured in this article, we offer tips for how best to defend against each type. Backdoors can also be installed by other types of malware, such as viruses or rootkits.

Malware 104

Malware Adware Spyware Antivirus 104

SecureList

JUNE 7, 2023

MotW is a Windows security measure — the system displays a warning message when someone tries to open a file downloaded from the internet. The threat actor also seems to be experimenting with new file types to deliver its malware. We observed a new Visual Basic script, a previously unseen Windows Batch file and a Windows executable.

DNS 101

DNS Malware Cryptocurrency Retail 101

Fox IT

DECEMBER 2, 2021

The technical analysis we provide below focuses on three components of the execution chain: A downloader – Runs as a service (each identified variant has a different name) and downloads the rest of the components along with a target processes/services list that the driver uses while filtering information. com.microsoft.dat.

Banking 79

Banking Social Engineering Ransomware Encryption 79

SecureList

MAY 4, 2022

Go decryptor with heavy usage of the syscall library. A library launcher, compiled with GCC under MinGW environment. The spreading of the Cobalt Strike module was achieved by persuading the target to download the link to the.rar on the legitimate site file.io, and run it themselves. Last stager types. SilentBreak.

Malware 138

Malware Encryption Architecture Technology 138

Security Affairs

MAY 6, 2021

The infection chain starts with an URL in the email body that downloads a zip archive containing an XLM or XLSM file (Excel) that takes advantage of XLM 4.0 macros to download the 2nd stage from the compromised web servers. Figure 3: Excel document used to lure victims and download and execute the QakBot 2nd stage.

Malware 108

Malware Encryption Banking Software 108

SecureList

AUGUST 12, 2021

According to Kaspersky Security Network, in Q2 2021: Kaspersky solutions blocked 1,686,025,551 attacks from online resources across the globe. Number of unique users attacked by financial malware, Q2 2021 ( download ). Geography of financial malware attacks, Q2 2021 ( download ). Quarterly figures. Country*. %**. Turkmenistan.

Adware 92

Adware Malware Ransomware IoT 92

McAfee

AUGUST 24, 2021

CVE-2021-33884 – Unrestricted Upload of File with Dangerous Type (CVSS 5.8). Table of Contents. To start with the basics using a trusted resource – fda.gov says “An infusion pump is a medical device that delivers fluids, such as nutrients and medications, into a patient’s body in controlled amounts.” Background.

Computers and Electronics 145

Computers and Electronics Authentication Software Risk 145

Cisco Security

MARCH 8, 2021

My life has been a path of continual learning, much of it self-driven and influenced by the best business minds of our century – all initially for the price of a library card, which thankfully is free! Alan has provided guidance, ideas, and resources for efforts within Cisco for improving diversity in cyber.

Cybersecurity 70

Cybersecurity Engineering Marketing Technology 70

Pen Test Partners

OCTOBER 9, 2023

Table of contents 1. OWASP [link] Back to Table of contents▲ 1.1. Back to Table of contents▲ 1.2. There is no concrete method to follow as it will rely on contents of the decomposed design from Step 2, but typical examples might include the following: Intellectual property in the device firmware. Threat Modelling 1.1.

IoT 52

IoT Firmware Mobile Manufacturing 52

SecureList

FEBRUARY 21, 2022

Last year saw repeat incidents of malicious code injection into popular apps through ad SDKs, as in the sensational case of CamScanner — we found malicious code inside ad libraries in the official APKPure client , as well as in a modified WhatsApp build. Number of detected malicious installation packages, 2018–2021 ( download ).

Mobile 119

Mobile Malware Adware Banking 119

NopSec

MARCH 6, 2020

Originally based on a Python library called PySMB, it has since migrated to Impacket and evolved from a half-baked idea to a more mature tool worthy of inclusion in distros such as Kali Linux , among others. The tool “SMBMap” was created nearly seven years ago. You can access Gibhub version from here. What is SMB? What is SMBMap?

Authentication 52

Authentication Penetration Testing Passwords Accountability 52

SecureList

AUGUST 15, 2022

According to Kaspersky Security Network, in Q2 2022: Kaspersky solutions blocked 1,164,544,060 attacks from online resources across the globe. Number of unique users attacked by financial malware, Q2 2022 ( download ). Geography of financial malware attacks, Q2 2022 ( download ). Quarterly figures. Country or territory*. %**.

Mobile 61

Mobile Adware Malware Ransomware 61

Security Boulevard

MAY 24, 2023

Pikabot also uses the ADVobfuscator library to encrypt important strings used by the malware. Technical Analysis In the following sections, we focus on Pikabot’s core module and its injector since the downloader does not contain any functionality/features worth mentioning. Use of the Windows API function Beep to delay the execution.

Encryption 57

Encryption Malware 57

SecureList

JUNE 7, 2023

Quarterly figures According to Kaspersky Security Network, in Q1 2023: Kaspersky solutions blocked 865,071,227 attacks launched from online resources across the globe. We detected notably large numbers of attacks and scans that targeted log4j-type vulnerabilities ( CVE-2021-44228 ). 2 Bangladesh 1.47 3 Taiwan 0.65 4 Mozambique 0.59

Mobile 64

Mobile Ransomware Malware Adware 64

SecureList

SEPTEMBER 2, 2021

The infection chain of recent QakBot releases (2020-2021 variants) is as follows: The user receives a phishing email with a ZIP attachment containing an Office document with embedded macros, the document itself or a link to download malicious document. The loaded payload (stager) includes another binary containing encrypted resource modules.

Passwords 130

Passwords Encryption Banking Malware 130

SecureList

APRIL 27, 2022

This could have been done either by an advanced actor with the intention of conveying the false notion that the operation was being conducted by criminals; or in cooperation with lower-tier threat actors who contributed their own resources. Southeast Asia and Korean Peninsula.

Malware 131

Malware Firmware Government Phishing 131

SecureList

NOVEMBER 18, 2022

According to Kaspersky Security Network, in Q3 2022: Kaspersky solutions blocked 956,074,958 attacks from online resources across the globe. Number of unique users attacked by financial malware, Q3 2022 ( download ). In Q3 2022, we detected 17 new ransomware families and 14,626 new modifications of this malware type.

Mobile 84

Mobile Malware Ransomware IoT 84

Security Affairs

JULY 31, 2020

Additionally, the bucket hosts thousands of video files of short films, movie clips, and trailers that can be accessed and downloaded by anyone with a direct link to the files. We have been storing these types of documents in a secure private drive, not in AWS. What data is in the bucket? What to do if you’ve been affected?

Identity Theft 61

Identity Theft Accountability Advertising Marketing 61

Security Boulevard

MAY 3, 2022

The ransomware executes the following command to delete task manager, resource monitor, and stop the Windows Defender service: cmd /c del C:WindowsSystem32Taskmgr.exe /f /q & del C:WindowsSystem32resmon.exe /f /q & powershell -command "$x = [System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String.

Encryption 73

Encryption Ransomware Antivirus Backups 73

Security Boulevard

JUNE 15, 2023

Interestingly, the stealer does not require the integration of third-party libraries for decrypting or decoding target credentials. Some leading stealer projects download DLL files post-install to implement functionality to extract credentials from files on the local system. Mystic can also steal Telegram and Steam credentials.

Cryptocurrency 52

Cryptocurrency Password Management Malware DNS 52

eSecurity Planet

AUGUST 13, 2021

The Sleuth Kit enables administrators to analyze file system data via a library of command-line tools for investing disk images. Founded in 1991 in Waterloo, Ontario, OpenText offers enterprise content management, networking, automation, discovery, security, and analytics services.

Software 134

Software Computers and Electronics Marketing Mobile 134