GuLoader: The NSIS Vantage Point

GuLoader: The NSIS Vantage Point By Nico Paulo Yturriaga · January 24, 2023 GuLoader is an advanced shellcode downloader infamous for using anti-analysis tricks to evade detection and obstruct reverse engineering. As of this writing, the GuLoader campaign is aggressively ongoing. Trellix’s...

Threat Round up for January 6 to January 13

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Jan. 6 and Jan. 13. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

CVE-2022-36442

An issue was discovered in Zebra Enterprise Home Screen 4.1.19. By using the embedded Google Chrome application, it is possible to install an unauthorized application via a downloaded APK...

WordPress Simple File Downloader Plugin <= 1.0.4 is vulnerable to Cross Site Scripting (XSS)

Software Simple File Downloader Type Plugin Vulnerable versions = 1.0.4 Fixed in N/A OWASP Top 10 A7: Cross-Site Scripting XSS Classification Cross Site Scripting XSS CVE CVE-2022-4764 Patch priority Medium CVSS severity Medium 6.3 Developer Claim ownership PSID 2ef1f33eb376 Credits István Márton...

Raspberry Robin Worm Evolves to Attack Financial and Insurance Sectors in Europe

Financial and insurance sectors in Europe have been targeted by the Raspberry Robin worm, as the malware continues to evolve its post-exploitation capabilities while remaining under the radar. "What is unique about the malware is that it is heavily obfuscated and highly complex to statically...

GuLoader’s Advanced Anti-Analysis Techniques

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary GuLoader is an advanced malware downloader that uses polymorphic shellcode to bypass traditional security solutions. In GuLoader, all embedded DJB2 hash values are mapped against every API used by the...

Threat Round up for December 9 to December 16

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Dec. 9 and Dec. 16. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

New GoTrim Botnet Attempting to Break into WordPress Sites' Admin Accounts

A new Go-based botnet has been spotted scanning and brute-forcing self-hosted websites using the WordPress content management system CMS to seize control of targeted systems. "This new brute forcer is part of a new campaign we have named GoTrim because it was written in Go and uses ':::trim:::' t...

CISA and the FBI issue alert about Cuba ransomware

In the latest StopRansomware effort of publicizing ransomware information for network defenders, the Cybersecurity and Infrastructure Security Agency CISA and the Federal Bureau of Investigation FBI have issued a joint Cybersecurity Advisory CSA on the ransomware known as "Cuba." Though named...

Threat Round up for November 11 to 18

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Nov. 11 and Nov. 18. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

DEV-0569 finds new ways to deliver Royal ransomware, various payloads

Recent activity from the threat actor that Microsoft tracks as DEV-0569, known to distribute various payloads, has led to the deployment of the Royal ransomware, which first emerged in September 2022 and is being distributed by multiple threat actors. Observed DEV-0569 attacks show a pattern of...

GHSA-R9X7-2XMR-V8FW mangadex-downloader vulnerable to unauthorized file reading

Impact When using file: command and is web URL location http, https. mangadex-downloader will try to open and read a file in local disk if the content from online file is exist-as-a-file in victim computer So far, the app only read the files and not execute it. But still, when someone reading you...

mangadex-downloader vulnerable to unauthorized file reading

Impact When using file: command and is web URL location http, https. mangadex-downloader will try to open and read a file in local disk if the content from online file is exist-as-a-file in victim computer So far, the app only read the files and not execute it. But still, when someone reading you...

Information Disclosure

mangadex-downloader is vulnerable to information disclosure. The vulnerability exists due to the improper url path validation in the validateurl function of validator.py, allowing an attacker to open and read files from the local disk through the commands such as file: and...

CVE-2022-36082

mangadex-downloader is a command-line tool to download manga from MangaDex. When using file: command and is a web URL location http, https, mangadex-downloader between versions 1.3.0 and 1.7.2 will try to open and read a file in local disk for each line of website contents. Version 1.7.2 contains...

PYSEC-2022-264

mangadex-downloader is a command-line tool to download manga from MangaDex. When using file: command and is a web URL location http, https, mangadex-downloader between versions 1.3.0 and 1.7.2 will try to open and read a file in local disk for each line of website contents. Version 1.7.2 contains...

Design/Logic Flaw

mangadex-downloader is a command-line tool to download manga from MangaDex. When using file: command and is a web URL location http, https, mangadex-downloader between versions 1.3.0 and 1.7.2 will try to open and read a file in local disk for each line of website contents. Version 1.7.2 contains...

PYSEC-2022-264

mangadex-downloader is a command-line tool to download manga from MangaDex. When using file: command and is a web URL location http, https, mangadex-downloader between versions 1.3.0 and 1.7.2 will try to open and read a file in local disk for each line of website contents. Version 1.7.2 contains...

CVE-2022-36082 mangadex-downloader vulnerable to unauthorized file reading

mangadex-downloader is a command-line tool to download manga from MangaDex. When using file: command and is a web URL location http, https, mangadex-downloader between versions 1.3.0 and 1.7.2 will try to open and read a file in local disk for each line of website contents. Version 1.7.2 contains...

CVE-2022-36082 mangadex-downloader vulnerable to unauthorized file reading

mangadex-downloader is a command-line tool to download manga from MangaDex. When using file: command and is a web URL location http, https, mangadex-downloader between versions 1.3.0 and 1.7.2 will try to open and read a file in local disk for each line of website contents. Version 1.7.2 contains...