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SANS Stormcast Monday, August 25th, 2025: IP Cleanup; Linux Desktop Attacks; Malicious Go SSH Brute Forcer; Onmicrosoft Domain Restrictions

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Manage episode 502268472 series 19634
Content provided by SANS ISC Handlers and Johannes B. Ullrich. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by SANS ISC Handlers and Johannes B. Ullrich or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
The end of an era: Properly formatted IP addresses in all of our data.
When initiall designing DShield, addresses were zero padded , an unfortunate choice. As of this week, datafeeds should no longer be zero padded .
https://isc.sans.edu/diary/The%20end%20of%20an%20era%3A%20Properly%20formated%20IP%20addresses%20in%20all%20of%20our%20data./32228
.desktop files used in an attack against Linux Desktops
Pakistani attackers are using .desktop files to target Indian Linux desktops.
https://www.cyfirma.com/research/apt36-targets-indian-boss-linux-systems-with-weaponized-autostart-files/
Malicious Go Module Disguised as SSH Brute Forcer Exfiltrates Credentials via Telegram
A go module advertising its ability to quickly brute force passwords against random IP addresses, has been used to exfiltrate credentials from the person running the module.
https://socket.dev/blog/malicious-go-module-disguised-as-ssh-brute-forcer-exfiltrates-credentials
Limiting Onmicrosoft Domain Usage for Sending Emails
Microsoft is limiting how many emails can be sent by Microsoft 365 users using the onmicrosoft.com domain.
https://techcommunity.microsoft.com/blog/exchange/limiting-onmicrosoft-domain-usage-for-sending-emails/4446167
  continue reading

3102 episodes

Artwork
iconShare
 
Manage episode 502268472 series 19634
Content provided by SANS ISC Handlers and Johannes B. Ullrich. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by SANS ISC Handlers and Johannes B. Ullrich or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
The end of an era: Properly formatted IP addresses in all of our data.
When initiall designing DShield, addresses were zero padded , an unfortunate choice. As of this week, datafeeds should no longer be zero padded .
https://isc.sans.edu/diary/The%20end%20of%20an%20era%3A%20Properly%20formated%20IP%20addresses%20in%20all%20of%20our%20data./32228
.desktop files used in an attack against Linux Desktops
Pakistani attackers are using .desktop files to target Indian Linux desktops.
https://www.cyfirma.com/research/apt36-targets-indian-boss-linux-systems-with-weaponized-autostart-files/
Malicious Go Module Disguised as SSH Brute Forcer Exfiltrates Credentials via Telegram
A go module advertising its ability to quickly brute force passwords against random IP addresses, has been used to exfiltrate credentials from the person running the module.
https://socket.dev/blog/malicious-go-module-disguised-as-ssh-brute-forcer-exfiltrates-credentials
Limiting Onmicrosoft Domain Usage for Sending Emails
Microsoft is limiting how many emails can be sent by Microsoft 365 users using the onmicrosoft.com domain.
https://techcommunity.microsoft.com/blog/exchange/limiting-onmicrosoft-domain-usage-for-sending-emails/4446167
  continue reading

3102 episodes

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