Found 497 bookmarks
Custom sorting
NoName057(16) DDoSia project: 2024 updates and behavioural shifts
NoName057(16) DDoSia project: 2024 updates and behavioural shifts
Learn about NoName057(16), a pro-Russian hacktivist group behind Project DDoSia targeting entities supporting Ukraine. Discover an overview of the changes made by the group, both from the perspective of the software shared by the group to generate DDoS attacks and the specifics of the evolution of the C2 servers. It also provides an overview of the country and sectors targeted by the group for 2024.
·blog.sekoia.io·
NoName057(16) DDoSia project: 2024 updates and behavioural shifts
Shc Linux Malware Installing CoinMiner
Shc Linux Malware Installing CoinMiner
The ASEC analysis team recently discovered that a Linux malware developed with Shc has been installing a CoinMiner. It is presumed that after successful authentication through a dictionary attack on inadequately managed Linux SSH servers, various malware were installed on the target system. Among those installed were the Shc downloader, XMRig CoinMiner installed through the former, and DDoS IRC Bot, developed with Perl.
·asec.ahnlab.com·
Shc Linux Malware Installing CoinMiner
CVE-2022-35650 Analysis
CVE-2022-35650 Analysis
CVE-2022-35650 The vulnerability was found in Moodle, occurs due to input validation error when importing lesson questions. This insufficient path checks results in arbitrary file read risk. This vulnerability allows a remote attacker to perform directory traversal attacks. The capability to access this feature is only available to teachers, managers and admins by default.
·0x1337.ninja·
CVE-2022-35650 Analysis
CVE-2020-3433 : élévation de privilèges sur le client VPN Cisco AnyConnect
CVE-2020-3433 : élévation de privilèges sur le client VPN Cisco AnyConnect
Cet article explique comment trois vulnérabilités supplémentaires ont été découvertes dans le client VPN Cisco AnyConnect pour Windows. Elles ont été trouvées suite au développement d’un exploit pour la CVE-2020-3153 (une élévation de privilèges, étudiée dans MISC n°111). Après un rappel du fonctionnement de ce logiciel, nous étudierons chacune de ces nouvelles vulnérabilités.
·connect.ed-diamond.com·
CVE-2020-3433 : élévation de privilèges sur le client VPN Cisco AnyConnect
CVE-2022-30333
CVE-2022-30333
On May 6, 2022, Rarlab released version 6.17, which addresses CVE-2022-30333, a path traversal vulnerability reported to them by Sonar, who posted a write-up about it. Sonar specifically calls out Zimbra Collaboration Suite’s usage of unrar as vulnerable (specifically, the amavisd component, which is used to inspect incoming emails for spam and malware). Zimbra addressed this issue in 9.0.0 patch 25 and 8.5.15 patch 32 by replacing unrar with 7z.
·attackerkb.com·
CVE-2022-30333
BRATA is evolving into an Advanced Persistent Threat
BRATA is evolving into an Advanced Persistent Threat
Here we go with another episode about our (not so) old friend, BRATA. In almost one year, threat actors (TAs) have further improved the capabilities of this malware. In our previous blog post [1] we defined three main BRATA variants, which appeared during two different waves detected by our telemetries at the very end of 2021. However, during the last months we have observed a change in the attack pattern commonly used.
·cleafy.com·
BRATA is evolving into an Advanced Persistent Threat
ASyncRat surpasses Dridex, TrickBot and Emotet to become dominant email threat
ASyncRat surpasses Dridex, TrickBot and Emotet to become dominant email threat
Earlier this year Malwarebytes released its 2022 Threat Review, a review of the most important threats and cybersecurity trends of 2021, and what they could mean for 2022. Among other things it covers the year’s alarming rebound in malware detections, and a significant shift in the balance of email threats.
·blog.malwarebytes.com·
ASyncRat surpasses Dridex, TrickBot and Emotet to become dominant email threat
An update on the threat landscape
An update on the threat landscape
Online security is extremely important for people in Ukraine and the surrounding region right now. Government agencies, independent newspapers and public service providers need it to function and individuals need to communicate safely. Google’s Threat Analysis Group (TAG) has been working around the clock, focusing on the safety and security of our users and the platforms that help them access and share important information.
·blog.google·
An update on the threat landscape
Zero Day Initiative — CVE-2023-46263: Ivanti Avalanche Arbitrary File Upload Vulnerability
Zero Day Initiative — CVE-2023-46263: Ivanti Avalanche Arbitrary File Upload Vulnerability
In this excerpt of a Trend Micro Vulnerability Research Service vulnerability report, Lucas Miller and Dusan Stevanovic of the Trend Micro Research Team detail a recently patched remote code execution vulnerability in the Ivanti Avalanche enterprise mobility management program. Other Ivanti products
·zerodayinitiative.com·
Zero Day Initiative — CVE-2023-46263: Ivanti Avalanche Arbitrary File Upload Vulnerability
Attack of the week: Airdrop tracing – A Few Thoughts on Cryptographic Engineering
Attack of the week: Airdrop tracing – A Few Thoughts on Cryptographic Engineering
It's been a while since I wrote an "attack of the week" post, and the fault for this is entirely mine. I've been much too busy writing boring posts about Schnorr signatures! But this week's news brings an exciting story with both technical and political dimensions: new reports claim that Chinese security agencies have developed…
·blog.cryptographyengineering.com·
Attack of the week: Airdrop tracing – A Few Thoughts on Cryptographic Engineering
Analyzing DPRK's SpectralBlur
Analyzing DPRK's SpectralBlur
In both his twitter (err, X) thread and in a subsequent posting he provided a comprehensive background and triage of the malware dubbed SpectralBlur. In terms of its capabilities he noted: SpectralBlur is a moderately capable backdoor, that can upload/download files, run a shell, update its configuration, delete files, hibernate or sleep, based on commands issued from the C2. -Greg He also pointed out similarities to/overlaps with the DPRK malware known as KandyKorn (that we covered in our “Mac Malware of 2024” report), while also pointing out there was differences, leading him to conclude: We can see some similarities ... to the KandyKorn. But these feel like families developed by different folks with the same sort of requirements. -Greg
·objective-see.org·
Analyzing DPRK's SpectralBlur
smith (CVE-2023-32434)
smith (CVE-2023-32434)
This write-up presents an exploit for a vulnerability in the XNU kernel: Assigned CVE-2023-32434. Fixed in iOS 16.5.1 and macOS 13.4.1. Reachable from the WebContent sandbox and might have been actively exploited. *Note that this CVE fixed multiple integer overflows, so it is unclear whether or not the integer overflow used in my exploit was also used in-the-wild. Moreover, if it was, it might not have been exploited in the same way. The exploit has been successfully tested on: iOS 16.3, 16.3.1, 16.4 and 16.5 (iPhone 14 Pro Max) macOS 13.1 and 13.4 (MacBook Air M2 2022) All code snippets shown below are from xnu-8792.81.2.
·github.com·
smith (CVE-2023-32434)
CVE-2023-46747 : Unauthenticated Remote Code Execution in F5 BIG-IP - Malware Analysis - Malware Analysis, News and Indicators
CVE-2023-46747 : Unauthenticated Remote Code Execution in F5 BIG-IP - Malware Analysis - Malware Analysis, News and Indicators
On 26th October, 2023 F5 released a security advisory about a critical unauthenticated remote code execution vulnerability, CVE-2023-46747, in F5’s BIG-IP configuration utility. This vulnerability could allow unauthent…
·malware.news·
CVE-2023-46747 : Unauthenticated Remote Code Execution in F5 BIG-IP - Malware Analysis - Malware Analysis, News and Indicators
The ticking time bomb of Microsoft Exchange Server 2013
The ticking time bomb of Microsoft Exchange Server 2013
I monitor (in an amateur, clueless way) ransomware groups in my spare time, to see what intelligence can be gained from looking at victim orgs and what went wrong. Basically, I’m a giant big dork with too much free time. I’ve discovered two organisations with ransomware incidents, where the entry point appears to have been Exchange Server 2013 with Outlook Web Access enabled, where all available security updates were applied.
·medium.com·
The ticking time bomb of Microsoft Exchange Server 2013
Shc Linux Malware Installing CoinMiner
Shc Linux Malware Installing CoinMiner
The ASEC analysis team recently discovered that a Linux malware developed with Shc has been installing a CoinMiner. It is presumed that after successful authentication through a dictionary attack on inadequately managed Linux SSH servers, various malware were installed on the target system. Among those installed were the Shc downloader, XMRig CoinMiner installed through the former, and DDoS IRC Bot, developed with Perl.
·asec.ahnlab.com·
Shc Linux Malware Installing CoinMiner
CVE-2022-35650 Analysis
CVE-2022-35650 Analysis
CVE-2022-35650 The vulnerability was found in Moodle, occurs due to input validation error when importing lesson questions. This insufficient path checks results in arbitrary file read risk. This vulnerability allows a remote attacker to perform directory traversal attacks. The capability to access this feature is only available to teachers, managers and admins by default.
·0x1337.ninja·
CVE-2022-35650 Analysis