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SANS Stormcast Wednesday, September 3rd, 2025: Sextortiion Analysis; Covert Channel DNS/ICMP; Azure AD Secret Theft; Official FreePBX Patches
MP3•Episode home
Manage episode 504113535 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.
A Quick Look at Sextortion at Scale
Jan analyzed 1900 different sextortion messages using 205 different Bitcoin addresses to look at the success rate, lifetime, and other metrics defining these campaigns.
https://isc.sans.edu/diary/A%20quick%20look%20at%20sextortion%20at%20scale%3A%201%2C900%20messages%20and%20205%20Bitcoin%20addresses%20spanning%20four%20years/32252
Azure AD Client Secret Leak
Attackers are stealing Azure AD client secrets from websites that are leaving them exposed.
https://www.resecurity.com/blog/article/azure-ad-client-secret-leak-the-keys-to-cloud
Covert Channel via ICMP and DNS
A new bot combines ICMP and DNS in new ways for covert communication. The DNS requests use domains with a fixed prefix followed by a base64 encoded command, and the ICMP echo request packets include commands as a payload.
https://blog.xlab.qianxin.com/mystrodx_covert_dual-mode_backdoor_en/
Official Release of Critical FreePBX Patch
Sangoma has announced that the experimental patch released for the exploited FreePBX vulnerability is now considered stable, and users should update to apply it.
https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203
…
continue reading
Jan analyzed 1900 different sextortion messages using 205 different Bitcoin addresses to look at the success rate, lifetime, and other metrics defining these campaigns.
https://isc.sans.edu/diary/A%20quick%20look%20at%20sextortion%20at%20scale%3A%201%2C900%20messages%20and%20205%20Bitcoin%20addresses%20spanning%20four%20years/32252
Azure AD Client Secret Leak
Attackers are stealing Azure AD client secrets from websites that are leaving them exposed.
https://www.resecurity.com/blog/article/azure-ad-client-secret-leak-the-keys-to-cloud
Covert Channel via ICMP and DNS
A new bot combines ICMP and DNS in new ways for covert communication. The DNS requests use domains with a fixed prefix followed by a base64 encoded command, and the ICMP echo request packets include commands as a payload.
https://blog.xlab.qianxin.com/mystrodx_covert_dual-mode_backdoor_en/
Official Release of Critical FreePBX Patch
Sangoma has announced that the experimental patch released for the exploited FreePBX vulnerability is now considered stable, and users should update to apply it.
https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203
3116 episodes
SANS Stormcast Wednesday, September 3rd, 2025: Sextortiion Analysis; Covert Channel DNS/ICMP; Azure AD Secret Theft; Official FreePBX Patches
SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)
MP3•Episode home
Manage episode 504113535 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.
A Quick Look at Sextortion at Scale
Jan analyzed 1900 different sextortion messages using 205 different Bitcoin addresses to look at the success rate, lifetime, and other metrics defining these campaigns.
https://isc.sans.edu/diary/A%20quick%20look%20at%20sextortion%20at%20scale%3A%201%2C900%20messages%20and%20205%20Bitcoin%20addresses%20spanning%20four%20years/32252
Azure AD Client Secret Leak
Attackers are stealing Azure AD client secrets from websites that are leaving them exposed.
https://www.resecurity.com/blog/article/azure-ad-client-secret-leak-the-keys-to-cloud
Covert Channel via ICMP and DNS
A new bot combines ICMP and DNS in new ways for covert communication. The DNS requests use domains with a fixed prefix followed by a base64 encoded command, and the ICMP echo request packets include commands as a payload.
https://blog.xlab.qianxin.com/mystrodx_covert_dual-mode_backdoor_en/
Official Release of Critical FreePBX Patch
Sangoma has announced that the experimental patch released for the exploited FreePBX vulnerability is now considered stable, and users should update to apply it.
https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203
…
continue reading
Jan analyzed 1900 different sextortion messages using 205 different Bitcoin addresses to look at the success rate, lifetime, and other metrics defining these campaigns.
https://isc.sans.edu/diary/A%20quick%20look%20at%20sextortion%20at%20scale%3A%201%2C900%20messages%20and%20205%20Bitcoin%20addresses%20spanning%20four%20years/32252
Azure AD Client Secret Leak
Attackers are stealing Azure AD client secrets from websites that are leaving them exposed.
https://www.resecurity.com/blog/article/azure-ad-client-secret-leak-the-keys-to-cloud
Covert Channel via ICMP and DNS
A new bot combines ICMP and DNS in new ways for covert communication. The DNS requests use domains with a fixed prefix followed by a base64 encoded command, and the ICMP echo request packets include commands as a payload.
https://blog.xlab.qianxin.com/mystrodx_covert_dual-mode_backdoor_en/
Official Release of Critical FreePBX Patch
Sangoma has announced that the experimental patch released for the exploited FreePBX vulnerability is now considered stable, and users should update to apply it.
https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203
3116 episodes
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