SANS Stormcast Friday, June 13th, 2025: Honeypot Scripts; EchoLeak MSFT Copilot Vuln; Thunderbolt mailbox URL Vuln;

SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

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תוכן מסופק על ידי SANS ISC Handlers and Johannes B. Ullrich. כל תוכן הפודקאסטים כולל פרקים, גרפיקה ותיאורי פודקאסטים מועלים ומסופקים ישירות על ידי SANS ISC Handlers and Johannes B. Ullrich או שותף פלטפורמת הפודקאסט שלהם. אם אתה מאמין שמישהו משתמש ביצירה שלך המוגנת בזכויות יוצרים ללא רשותך, אתה יכול לעקוב אחר התהליך המתואר כאן https://he.player.fm/legal.

לפני 20 ימים 5:43

MP3•בית הפרקים

Automated Tools to Assist with DShield Honeypot Investigations
https://isc.sans.edu/diary/Automated%20Tools%20to%20Assist%20with%20DShield%20Honeypot%20Investigations%20%5BGuest%20Diary%5D/32038
EchoLeak: Zero-Click Microsoft 365 Copilot Data Leak
Microsoft fixed a vulnerability in Copilot that could have been abused to exfiltrate data from Copilot users. Copilot mishandled instructions an attacker included in documents inspected by Copilot and executed them.
https://www.aim.security/lp/aim-labs-echoleak-blogpost
Thunderbolt Vulnerability
Thunderbolt users may be tricked into downloading arbitrary files if an email includes a mailbox:/// URL.
https://www.mozilla.org/en-US/security/advisories/mfsa2025-49/

3061 פרקים

#Security #Tech #Software Development #SANS ISC Handlers #Johannes B. Ullrich #News #Tech News

SANS Stormcast Friday, June 13th, 2025: Honeypot Scripts; EchoLeak MSFT Copilot Vuln; Thunderbolt mailbox URL Vuln;

SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

2,380 subscribers

published לפני 20 ימים

שתפו

MP3•בית הפרקים

3061 פרקים

#Security #Tech #Software Development #SANS ISC Handlers #Johannes B. Ullrich #News #Tech News

همه قسمت ها

1
SANS Stormcast Monday June 30th, 2025: Scattered Spider; AMI BIOS Exploited; Secure Boot Certs Expiring; Microsoft Resliliency Initiative 7:29

לפני 3 ימים7:29

7:29

Scattered Spider Update The threat actor known as Scattered Spider is in the news again, this time focusing on airlines. But the techniques used by Scattered Spider, social engineering, are still some of the most dangerous techniques used by various threat actors. https://cloud.google.com/blog/topics/threat-intelligence/unc3944-proactive-hardening-recommendations?e=48754805 AMI BIOS Vulnerability Exploited CVE-2024-54085 A vulnerability in the Redfish remote access software, including AMI s BIOS, is now being exploited. https://go.ami.com/hubfs/Security%20Advisories/2025/AMI-SA-2025003.pdf https://eclypsium.com/blog/ami-megarac-vulnerabilities-bmc-part-3/ Act now: Secure Boot certificates expire in June 2026 The Microsoft certificates used in Secure Boot are the basis of trust for operating system security, and all will be expiring beginning June 2026. https://techcommunity.microsoft.com/blog/windows-itpro-blog/act-now-secure-boot-certificates-expire-in-june-2026/4426856 The Windows Resiliency Initiative: Building resilience for a future-ready enterprise Microsoft announced more details about its future security and resilience strategy for Windows. In particular, security tools will no longer have kernel access, which is supposed to prevent a repeat of the Cloudflare issue, but may also restrict security tools functionality. https://blogs.windows.com/windowsexperience/2025/06/26/the-windows-resiliency-initiative-building-resilience-for-a-future-ready-enterprise/…

1
SANS Stormcast Friday, June 27th, 2025: Open-VSX Flaw; Airoha Bluetooth Vulnerablity; Critical Cisco Identity Service Engine Vuln; 6:47

לפני 6 ימים6:47

6:47

Open-VSX Flaw Puts Developers at Risk A flaw in the open-vsx extension marketplace could have let to the compromise of any extension offered by the marketplace. https://blog.koi.security/marketplace-takeover-how-we-couldve-taken-over-every-developer-using-a-vscode-fork-f0f8cf104d44 Bluetooth Vulnerability Could Allow Eavesdropping A vulnerability in the widely used Airoha Bluetooth chipset can be used to compromise devices and use them for eavesdropping. https://insinuator.net/2025/06/airoha-bluetooth-security-vulnerabilities/ Critical Cisco Identity Services Engine Vulnerability Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an unauthenticated, remote attacker to issue commands on the underlying operating system as the root user. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6…

1
SANS Stormcast Thursday, June 26th, 2025: Another Netscaler Vuln; CentOS Web Panel Vuln; IP Based Certs 5:53

לפני 7 ימים5:53

5:53

NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2025-6543 Citrix patched a memory overflow vulnerability leading to unintended control flow and denial of service. https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694788 Remote code execution in CentOS Web Panel - CVE-2025-48703 An arbitrary file upload vulnerability in the user (not admin) part of Web Panel can be used to execute arbitrary code https://fenrisk.com/rce-centos-webpanel Gogs Arbitrary File Deletion Vulnerability Due to the insufficient patch for the CVE-2024-39931, it's still possible to delete files under the .git directory and achieve remote command execution. https://github.com/gogs/gogs/security/advisories/GHSA-wj44-9vcg-wjq7 Let s Encrypt Will Soon Issue IP Address-Based Certs Let s Encrypt is almost ready to issue certificates for IP address SANs from Let's Encrypt's production environment. They'll only be available under the short-lived profile (which has a 6-day validity period), and that profile will remain allowlist-only for a while. https://community.letsencrypt.org/t/getting-ready-to-issue-ip-address-certificates/238777…

1
SANS Stormcast Tuesday, June 24th, 2025: Telnet/SSH Scan Evolution; Fake Sonicwall Software; File-Fix vs Click-Fix 4:03

לפני 8 ימים4:03

4:03

Quick Password Brute Forcing Evolution Statistics After collecting usernames and passwords from our ssh and telnet honeypots for about a decade, I took a look back at how scans changed. Attackers are attempting more passwords in each scans than they used to, but the average length of passwords did not change. https://isc.sans.edu/diary/Quick%20Password%20Brute%20Forcing%20Evolution%20Statistics/32068 Introducing FileFix A New Alternative to ClickFix Attacks Attackers may trick the user into copy/pasting strings into file explorer, which will execute commands similar to the ClickFix attack that tricks users into copy pasting the command into the start menu s cmd feature. https://www.mobile-hacker.com/2025/06/24/introducing-filefix-a-new-alternative-to-clickfix-attacks/ Threat Actors Modify and Re-Create Commercial Software to Steal User s Information A fake Sonicwall Netextender clone will steal user s credentials https://www.sonicwall.com/blog/threat-actors-modify-and-re-create-commercial-software-to-steal-users-information…

1
SANS Stormcast Tuesday, June 24th, 2025: Ichano ATHome IP Camera Scans; Netscaler Vulnerability; WinRar Vulnerability 5:04

לפני 9 ימים5:04

5:04

Scans for Ichano AtHome IP Cameras A couple days ago, a few sources started scanning for the username super_yg and the password 123. This is associated with Ichano IP Camera software. https://isc.sans.edu/diary/Scans%20for%20Ichano%20AtHome%20IP%20Cameras/32062 Critical Netscaler Security Update CVE-2025-5777 CVE 2025-5777 is a critical severity vulnerability impacting NetScaler Gateway, i.e. if NetScaler has been configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server. https://www.netscaler.com/blog/news/critical-security-updates-for-netscaler-netscaler-gateway-and-netscaler-console/ WinRar Vulnerability CVE-2025-6218 WinRar may be tricked into extracting files into attacker-determined locations, possibly leading to remote code execution https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=276&cHash=b5165454d983fc9717bc8748901a64f9…

1
SANS Stormcast Monday, June 23rd, 2025: ADS and Python; More Secure Cloud PCs; Zend.to Path Traversal; Parser Differentials 5:36

לפני 10 ימים5:36

5:36

ADS & Python Tools Didier explains how to use his tools cut-bytes.py and filescanner to extract information from alternate data streams. https://isc.sans.edu/diary/ADS%20%26%20Python%20Tools/32058 Enhanced security defaults for Windows 365 Cloud PCs Microsoft announced more secure default configurations for its Windows 365 Cloud PC offerings. https://techcommunity.microsoft.com/blog/windows-itpro-blog/enhanced-security-defaults-for-windows-365-cloud-pcs/4424914 CVE-2025-34508: Another File Sharing Application, Another Path Traversal Horizon3 reveals details of a recently patched directory traversal vulnerability in zend.to. https://horizon3.ai/attack-research/attack-blogs/cve-2025-34508-another-file-sharing-application-another-path-traversal/ Unexpected security footguns in Go's parsers Go parsers for JSON and XML are not always compatible and can parse data in unexpected ways. This blog by Trails of Bits goes over the various security implications of this behaviour. https://blog.trailofbits.com/2025/06/17/unexpected-security-footguns-in-gos-parsers/…

1
SANS Stormcast Friday, June 20th, 2025: New Employee Phishing; Malicious Tech Support Links; Social Engineering App Sepecific Passwords 5:46

לפני 13 ימים5:46

5:46

How Long Until the Phishing Starts? About Two Weeks After setting up a Google Workspace and adding a new user, it took only two weeks for the new employee to receive somewhat targeted phishing emails. https://isc.sans.edu/diary/How%20Long%20Until%20the%20Phishing%20Starts%3F%20About%20Two%20Weeks/32052 Scammers hijack websites of Bank of America, Netflix, Microsoft, and more to insert fake phone numbers Scammers are placing Google ads that point to legitimate companies sites, but are injecting malicious text into the page advertising fake tech support numbers https://www.malwarebytes.com/blog/news/2025/06/scammers-hijack-websites-of-bank-of-america-netflix-microsoft-and-more-to-insert-fake-phone-number What s in an ASP? Creative Phishing Attack on Prominent Academics and Critics of Russia Targeted attacks are tricking victims into creating app-specific passwords to Google resources. https://cloud.google.com/blog/topics/threat-intelligence/creative-phishing-academics-critics-of-russia…

1
SANS Stormcast Monday, June 16th, 2025: Extracting Data from JPEG; Windows Recall Export; Anubis Wiper; Mitel Vuln and PoC 5:46

לפני 16 ימים5:46

5:46

Extracting Data From JPEGs Didier shows how to efficiently extract data from JPEGs using his tool jpegdump.py https://isc.sans.edu/diary/A%20JPEG%20With%20A%20Payload/32048 Windows Recall Export in Europe In its latest insider build for Windows 11, Microsoft is testing an export feature for data stored by Recall. The feature is limited to European users and requires that you note an encryption key that will be displayed only once as Recall is enabled. https://blogs.windows.com/windows-insider/2025/06/13/announcing-windows-11-insider-preview-build-26120-4441-beta-channel/ Anubis Ransomware Now Wipes Data The Anubis ransomware, usually known for standard double extortion, is now also wiping data preventing any recovery even if you pay the ransom. https://www.trendmicro.com/en_us/research/25/f/anubis-a-closer-look-at-an-emerging-ransomware.html Mitel Vulnerabilities CVE-2025-47188 Mitel this week patched a critical path traversal vulnerability (sadly, no CVE), and Infoguard Labs published a PoC exploit for an older file upload vulnerability. https://labs.infoguard.ch/posts/cve-2025-47188_mitel_phone_unauthenticated_rce/ https://www.mitel.com/support/mitel-product-security-advisory-misa-2025-0007…

1
SANS Stormcast Monday, June 16th, 2025: Katz Stealer in JPG; JavaScript Attacks; Reviving expired Discord Invites for Evil 6:44

לפני 17 ימים6:44

6:44

Katz Stealer in JPG Xavier found some multistage malware that uses an Excel Spreadsheet and an HTA file to load an image that includes embeded a copy of Katz stealer. https://isc.sans.edu/diary/More+Steganography/32044 https://unit42.paloaltonetworks.com/malicious-javascript-using-jsfiretruck-as-obfuscation/ JavaScript obfuscated with JSF*CK is being used on over 200,000 websites to direct victims to malware Expired Discord Invite Links Used for Malware Distribution Expired discord invite links are revived as vanity links to direct victims to malware sites https://research.checkpoint.com/2025/from-trust-to-threat-hijacked-discord-invites-used-for-multi-stage-malware-delivery/…

1
SANS Stormcast Friday, June 13th, 2025: Honeypot Scripts; EchoLeak MSFT Copilot Vuln; Thunderbolt mailbox URL Vuln; 5:43

לפני 20 ימים5:43

5:43

Automated Tools to Assist with DShield Honeypot Investigations https://isc.sans.edu/diary/Automated%20Tools%20to%20Assist%20with%20DShield%20Honeypot%20Investigations%20%5BGuest%20Diary%5D/32038 EchoLeak: Zero-Click Microsoft 365 Copilot Data Leak Microsoft fixed a vulnerability in Copilot that could have been abused to exfiltrate data from Copilot users. Copilot mishandled instructions an attacker included in documents inspected by Copilot and executed them. https://www.aim.security/lp/aim-labs-echoleak-blogpost Thunderbolt Vulnerability Thunderbolt users may be tricked into downloading arbitrary files if an email includes a mailbox:/// URL. https://www.mozilla.org/en-US/security/advisories/mfsa2025-49/…

1
SANS Stormcast Thursday, June 12th, 2025: Quasar RAT; Windows 11 24H2 Delay; SMB Client Vuln PoC; Connectwise Signing Keys; KDE Telnet code exec 6:27

לפני 21 ימים6:27

6:27

Quasar RAT Delivered Through Bat Files Xavier is walking you through a quick reverse analysis of a script that will injection code extracted from a PNG image to implement a Quasar RAT. https://isc.sans.edu/diary/Quasar%20RAT%20Delivered%20Through%20Bat%20Files/32036 Delayed Windows 11 24H2 Rollout Microsoft slightly throttled the rollout of windows 11 24H2 due to issues stemming from the patch Tuesday fixes. https://learn.microsoft.com/en-us/windows/release-health/windows-message-center#3570 An In-Depth Analysis of CVE-2025-33073 Patch Tuesday fixed an already exploited SMB client vulnerability. A blog by Synacktiv explains the nature of the issue and how to exploit it. https://www.synacktiv.com/en/publications/ntlm-reflection-is-dead-long-live-ntlm-reflection-an-in-depth-analysis-of-cve-2025 Connectwise Rotating Signing Certificates Connectwise is rotating signing certificates after a recent compromise, and will release a new version of its Screen share software soon to harden its configuration. https://www.connectwise.com/company/trust/advisories KDE Telnet URL Vulnerablity The Konsole delivered as part of KDE may be abused to execute arbitrary code via telnet URLs. https://kde.org/info/security/advisory-20250609-1.txt…

1
SANS Stormcast Wednesday, June 11th, 2025: Microsoft Patch Tuesday; Acrobat Patches 6:58

לפני 22 ימים6:58

6:58

Microsoft Patch Tuesday Microsoft today released patches for 67 vulnerabilities. 10 of these vulnerabilities are rated critical. One vulnerability has already been exploited and another vulnerability has been publicly disclosed before today. https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%20June%202025/32032 Adobe Vulnerabilities Adobe released patches for 7 different applications. Two significant ones are Adobe Commerce and Adobe Acrobat Reader. All vulnerabilities patched for Adobe Commerce can only be exploited by an authenticated user. The Adobe Acrobat Reader vulnerabilities are exploited by a user opening a crafted PDF, and the exploit may execute arbitrary code. https://helpx.adobe.com/security/Home.html…

1
SANS Stormcast June, Tuesday, June 10th, 2025: Octosql; Mirai vs. Wazuh DNS4EU; Wordpress Fair Package Manager 6:09

לפני 23 ימים6:09

6:09

OctoSQL & Vulnerability Data OctoSQL is a neat tool to query files in different formats using SQL. This can, for example, be used to query the JSON vulnerability files from CISA or NVD and create interesting joins between different files. https://isc.sans.edu/diary/OctoSQL+Vulnerability+Data/32026 Mirai vs. Wazuh The Mirai botnet has now been observed exploiting a vulnerability in the open-source EDR tool Wazuh. https://www.akamai.com/blog/security-research/botnets-flaw-mirai-spreads-through-wazuh-vulnerability DNS4EU The European Union created its own public recursive resolver to offer a public resolver compliant with European privacy laws. This resolver is currently operated by ENISA, but the intent is to have a commercial entity operate and support it by a commercial entity. https://www.joindns4.eu/ WordPress FAIR Package Manager Recent legal issues around different WordPress-related entities have made it more difficult to maintain diverse sources of WordPress plugins. With WordPress plugins usually being responsible for many of the security issues, the Linux Foundation has come forward to support the FAIR Package Manager, a tool intended to simplify the management of WordPress packages. https://github.com/fairpm…

1
SANS Stormcast June, June 9th, 2025: Extracting PNG Data; GlueStack Packages Backdoor; MacOS targeted by Clickfix; INETPUB restore script 5:43

לפני 24 ימים5:43

5:43

Extracting With pngdump.py Didier extended his pngdump.py script to make it easier to extract additional data appended to the end of the image file. https://isc.sans.edu/diary/Extracting%20With%20pngdump.py/32022 16 React Native Packages for GlueStack Backdoored Overnight 16 npm packages with over a million weekly downloads between them were compromised. The compromised packages include a remote admin tool that was seen before in similar attacks. https://www.aikido.dev/blog/supply-chain-attack-on-react-native-aria-ecosystem Atomic MacOS Stealer Exploits Clickfix MacOS users are now also targeted by fake captchas, tricking users into running exploit code. https://www.cloudsek.com/blog/amos-variant-distributed-via-clickfix-in-spectrum-themed-dynamic-delivery-campaign-by-russian-speaking-hackers Microsoft INETPUB Script Microsoft published a simple PowerShell script to restore the inetpub folder in case you removed it by mistake. https://www.powershellgallery.com/packages/Set-InetpubFolderAcl/1.0…

1
SANS Stormcast Friday, June 6th, 2025: Fake Zoom Clients; Python tarfile vulnerability; HPE Insight Remote Support Patch 5:01

לפני 27 ימים5:01

5:01

Be Careful With Fake Zoom Client Downloads Miscreants are tricking victims into downloading fake Zoom clients (and likely other meeting software) by first sending them fake meeting invites that direct victims to a page that offers malware for download as an update to the Zoom client. https://isc.sans.edu/diary/Be%20Careful%20With%20Fake%20Zoom%20Client%20Downloads/32014 Python tarfile Vulnerability Recently, the Python tarfile module introduced a filter option to help mitigate some of the insecure behavior common to software unpacking archives. This filter is, however, not working quite as well as it should. https://mail.python.org/archives/list/security-announce@python.org/thread/MAXIJJCUUMCL7ATZNDVEGGHUMQMUUKLG/ Hewlett Packard Enterprise Insight Remote Support processAttachmentDataStream Directory Traversal Remote Code Execution Vulnerability HP fixed, among other vulnerabilities, a critical remote code execution vulnerability in Insight Remote Support (IRS) https://www.zerodayinitiative.com/advisories/ZDI-25-325/…

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SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast) « » SANS Stormcast Friday, June 13th, 2025: Honeypot Scripts; EchoLeak MSFT Copilot Vuln; Thunderbolt mailbox URL Vuln;

SANS Stormcast Friday, June 13th, 2025: Honeypot Scripts; EchoLeak MSFT Copilot Vuln; Thunderbolt mailbox URL Vuln;

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ברוכים הבאים אל Player FM!

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SANS Stormcast Friday, June 13th, 2025: Honeypot Scripts; EchoLeak MSFT Copilot Vuln; Thunderbolt mailbox URL Vuln;