EPISODE · Mar 10, 2025 · 6 MIN
SANS Stormcast: Webshells; Undocumented ESP32 Commands; Camera Used For Ransomware Distribution
from SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast) · host Johannes Ullrich
Commonly Probed Webshell URLs Many attackers deploy web shells to gain a foothold on vulnerable web servers. These webshells can also be taken over by parasitic exploits.https://isc.sans.edu/diary/Commonly%20Probed%20Webshell%20URLs/31748 Undocumented ESP32 Commands A recent conference presentation by Tarlogic revealed several "backdoors" or undocumented features in the commonly used ESP32 Chipsets. Tarlogic also released a toolkit to make it easier to audit chipsets and find these hiddent commands.https://www.tarlogic.com/news/backdoor-esp32-chip-infect-ot-devices/ Camera Off: Akira deploys ransomware via Webcam The Akira ransomware group was recently observed infecting a network with Ransomware by taking advantage of a webcam.https://www.s-rminform.com/latest-thinking/camera-off-akira-deploys-ransomware-via-webcam
What this episode covers
Commonly Probed Webshell URLs Many attackers deploy web shells to gain a foothold on vulnerable web servers. These webshells can also be taken over by parasitic exploits.https://isc.sans.edu/diary/Commonly%20Probed%20Webshell%20URLs/31748 Undocumented ESP32 Commands A recent conference presentation by Tarlogic revealed several "backdoors" or undocumented features in the commonly used ESP32 Chipsets. Tarlogic also released a toolkit to make it easier to audit chipsets and find these hiddent commands.https://www.tarlogic.com/news/backdoor-esp32-chip-infect-ot-devices/ Camera Off: Akira deploys ransomware via Webcam The Akira ransomware group was recently observed infecting a network with Ransomware by taking advantage of a webcam.https://www.s-rminform.com/latest-thinking/camera-off-akira-deploys-ransomware-via-webcam
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SANS Stormcast: Webshells; Undocumented ESP32 Commands; Camera Used For Ransomware Distribution
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