Tag: stormcast

Scans for pop3user with guessable password A particular IP assigned to a network that calls itself Unmanaged has been scanning telnet/ssh for a user called pop3user with passwords pop3user or 123456 . I assume they are looking for legacy systems that either currently run pop3 or ran pop3 in the past, and left the user […]

Scattered Spider Related Domain Names A quick demo of our domain feeds and how they can be used to find Scattered Spider related domains https://isc.sans.edu/diary/Scattered+Spider+Related+Domain+Names/32162 Excel External Workbook Links to Blocked File Types Will Be Disabled by Default Excel will discontinue allowing links to dangerous file types starting as early as October. https://support.microsoft.com/en-us/topic/external-workbook-links-to-blocked-file-types-will-be-disabled-by-default-6dd12903-0592-463d-9e68-0741cf62ee58 CISA Releases […]

Securing Firebase: Lessons Re-Learned from the Tea Breach Inspried by the breach of the Tea app, Brendon Evans recorded a video to inform of Firebase security issues https://isc.sans.edu/diary/Securing%20Firebase%3A%20Lessons%20Re-Learned%20from%20the%20Tea%20Breach/32158 WebKit Vulnerability Exploited before Apple Patch A WebKit vulnerablity patched by Apple yesterday has already been exploited in Google Chrome. Google noted the exploit with its patch […]

Apple Updates Everything: July 2025 Edition Apple released updates for all of its operating systems patching 89 different vulnerabilities. Many vulnerabilities apply to multiple operating systems. https://isc.sans.edu/diary/Apple%20Updates%20Everything%3A%20July%202025/32154 Python Triage A quick python script by Xavier to efficiently search through files, even compressed once, for indicators of compromise. https://isc.sans.edu/diary/Triage+is+Key+Python+to+the+Rescue/32152/ PaperCut Attacks CISA added a 2024 Papercut […]

Parasitic SharePoint Exploits We are seeing attacks against SharePoint itself and attempts to exploit backdoors left behind by attackers. https://isc.sans.edu/diary/Parasitic%20Sharepoint%20Exploits/32148 Cisco ISE Vulnerability Exploited A recently patched vulnerability in Cisco ISE is now being exploited. The Zero Day Initiative has released a blog detailing the exploit chain to obtain code execution as an unauthenticated user. […]

Linux Namespaces Linux namespaces can be used to control networking features on a process-by-process basis. This is useful when trying to present a different network environment to a process being analysed. https://isc.sans.edu/diary/Sinkholing%20Suspicious%20Scripts%20or%20Executables%20on%20Linux/32144 Coyote in the Wild: First-Ever Malware That Abuses UI Automation Akamai identified malware that takes advantage of Microsoft s UI Automation Framework to […]

New File Integrity Tool: ficheck.py Jim created a new tool, ficheck.py, that can be used to verify file integrity. It is a drop-in replacement for an older tool, fcheck, which was written in Perl and no longer functions well on modern Linux distributions. https://isc.sans.edu/diary/New%20Tool%3A%20ficheck.py/32136 Mitel Vulnerability Mitel released a patch for a vulnerability in its […]

Reversing SharePoint Toolshell Exploits CVE-2025-53770 and CVE-2025-53771 A quick walk-through showing how to decode the payload of recent SharePoint exploits https://isc.sans.edu/diary/Analyzing%20Sharepoint%20Exploits%20%28CVE-2025-53770%2C%20CVE-2025-53771%29/32138 Compromised JavaScript NPM is Package The popular npm package is was compromised by malware. Luckily, the malicious code was found quickly, and it was reversed after about five hours. https://socket.dev/blog/npm-is-package-hijacked-in-expanding-supply-chain-attack Microsoft Quick Machine Recovery […]

Microsoft Updates SharePoint Vulnerability Guidance CVE-2025-53770 and CVE-2025-53771 Microsoft released its update for SharePoint 2016, completing the updates across all currently supported versions. https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vulnerability-cve-2025-53770/ WinZip MotW Privacy Starting with version 7.10, WinZip introduced an option to no longer include the download URL in zip files as part of the Mark of the Web (MotW). https://isc.sans.edu/diary/WinRAR%20MoTW%20Propagation%20Privacy/32130 […]

Microsoft Released Patches for SharePoint Vulnerability CVE-2025-53770 CVE-2025-53771 Microsoft released a patch for the currently exploited SharePoint vulnerability. It also added a second CVE number identifying the authentication bypass vulnerability. https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vulnerability-cve-2025-53770/ How Quickly Are Systems Patched? Jan took Shodan data to check how quickly recent vulnerabilities were patched. The quick answer: Not fast enough. https://isc.sans.edu/diary/How%20quickly%20do%20we%20patch%3F%20A%20quick%20look%20from%20the%20global%20viewpoint/32126 […]