Google Paid Ads for Fake Tesla Websites
Someone is setting up fake Tesla lookalike websites that attempt to collect credit card data from unsuspecting users trying to preorder Tesla products.
https://isc.sans.edu/diary/Google%20Paid%20Ads%20for%20Fake%20Tesla%20Websites/32186
Compromising USB Devices for Persistent Stealthy Access
USB devices, like Linux-based web cams, can be compromised to emulate malicious USB devices like keyboards that inject malicious commands.
https://eclypsium.com/blog/badcam-now-weaponizing-linux-webcams/
Win-DoS Epidemic: A crash course in abusing RPC for Win-DoS & Win-DDoS
Internet-exposed DCs can be used in very powerful DoS attacks.
https://defcon.org/html/defcon-33/dc-33-speakers.html#content_60389

Mass Internet Scanning from ASN 43350
Our undergraduate intern Duncan Woosley wrote up aggressive scans from ASN 43350
https://isc.sans.edu/diary/Mass+Internet+Scanning+from+ASN+43350+Guest+Diary/32180/#comments
HTTP/1.1 Desync Attacks
Portswigger released details about new types of HTTP/1.1 desync attacks it uncovered. These attacks are particularly critical for organizations using middleboxes to translate from HTTP/2 to HTTP/1.1
https://portswigger.net/research/http1-must-die
Microsoft Warns of Exchange Server Vulnerability
An attacker with admin access to an Exchange Server in a hybrid configuration can use this vulnerability to gain full domain access. The issue is mitigated by an April hotfix, but was not noted in the release of the April Hotfix.
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53786
Sonicwall Update
Sonicwall no longer believes that a new vulnerability was used in recent compromises
https://www.sonicwall.com/support/notices/gen-7-and-newer-sonicwall-firewalls-sslvpn-recent-threat-activity/250804095336430
SANS.edu Research: Wellington Rampazo, Shift Left the Awareness and Detection of Developers Using Vulnerable Open-Source Software Components
https://www.sans.edu/cyber-research/shift-left-awareness-detection-developers-using-vulnerable-open-source-software-components/

Do Sextortion Scams Still Work in 2025?
Jan looked at recent sextortion emails to check if any of the crypto addresses in these emails received deposits. Sadly, some did, so these scams still work.
https://isc.sans.edu/diary/Do%20sextortion%20scams%20still%20work%20in%202025%3F/32178
Akira Ransomware Group s use of Drivers
Guidepoint Security observed the Akira ransomware group using specific legitimate drivers for privilege escalation
https://www.guidepointsecurity.com/blog/gritrep-akira-sonicwall/
Adobe Patches Critical Experience Manager Vulnerability
Adobe released emergency patches for a vulnerability in Adobe Experience Manager after a PoC exploit was made public.
https://slcyber.io/assetnote-security-research-center/struts-devmode-in-2025-critical-pre-auth-vulnerabilities-in-adobe-experience-manager-forms/
https://helpx.adobe.com/security/products/aem-forms/apsb25-82.html
Trend Micro Apex One Vulnerability
Trend Micro released an emergency patch for an actively exploited pre-authentication remote code execution vulnerability in the Apex One management console.
https://success.trendmicro.com/en-US/solution/KA-0020652

Stealing Machinekeys for fun and profit (or riding the SharePoint wave)
Bojan explains in detail how .NET uses Machine Keys to protect the VIEWSTATE, and how to abuse the VIEWSTATE for code execution if the Machine Keys are lost.
https://isc.sans.edu/diary/Stealing%20Machine%20Keys%20for%20fun%20and%20profit%20%28or%20riding%20the%20SharePoint%20wave%29/32174
Perplexity is using stealth, undeclared crawlers to evade website no-crawl directives
Perplexity will change its User Agent, or use different originating IP addresses, if it detects being blocked from scanning websites
https://blog.cloudflare.com/perplexity-is-using-stealth-undeclared-crawlers-to-evade-website-no-crawl-directives/
Gen 7 SonicWall Firewalls SSLVPN Recent Threat Activity
Over the past 72 hours, there has been a notable increase in both internally and externally reported cyber incidents involving Gen 7 SonicWall firewalls where SSLVPN is enabled.
https://www.sonicwall.com/support/notices/gen-7-sonicwall-firewalls-sslvpn-recent-threat-activity/250804095336430

Daily Trends Report
A new trends report will bring you daily data highlights via e-mail.
https://isc.sans.edu/diary/New%20Feature%3A%20Daily%20Trends%20Report/32170
NVidia Triton RCE
Wiz found an interesting information leakage vulnerability in NVidia s Triton servers that can be leveraged to remote code execution.
https://www.wiz.io/blog/nvidia-triton-cve-2025-23319-vuln-chain-to-ai-server
Cursor AI MCP Vulnerability
An attacker could abuse negligent Cursor MCP configurations to implement backdoors into developer machines.
https://www.aim.security/lp/aim-labs-curxecute-blogpost

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 enabled.
https://isc.sans.edu/diary/Legacy%20May%20Kill/32166
Possible Sonicwall SSL VPN 0-Day
Arcticwolf observed compromised Sonicwall SSL VPN devices used by the Akira group to install ransomware. These devices were fully patched, and credentials were recently rotated.
https://arcticwolf.com/resources/blog/arctic-wolf-observes-july-2025-uptick-in-akira-ransomware-activity-targeting-sonicwall-ssl-vpn/
PAM Based Linux Backdoor
For over a year, attackers have used a PAM-based Linux backdoor that so far has gotten little attention from anti-malware vendors. PAM-based backdoors can be stealthy, and this one in particular includes various anti-forensics tricks.
https://www.nextron-systems.com/2025/08/01/plague-a-newly-discovered-pam-based-backdoor-for-linux/

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 Thorium
CISA announced that it released its malware analysis platform, Thorium, as open-source software.
https://www.cisa.gov/news-events/alerts/2025/07/31/thorium-platform-public-availability

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 for the same vulnerability in Chrome.
https://nvd.nist.gov/vuln/detail/CVE-2025-6558
Scattered Spider Update
CISA released an update for its report on Scattered Spider, noting that the group also calls helpdesks impersonating users, not just the other way around.
https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-320a

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 vulnerability to the known exploited vulnerability list.
https://www.cisa.gov/news-events/alerts/2025/07/28/cisa-adds-three-known-exploited-vulnerabilities-catalog

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.
https://www.zerodayinitiative.com/blog/2025/7/24/cve-2025-20281-cisco-ise-api-unauthenticated-remote-code-execution-vulnerability
MyAsus Vulnerablity
The MyAsus tool does not store its access tokens correctly, potentially providing an attacker with access to sensitive functions
https://www.asus.com/content/security-advisory/