Encrypted Client Hello: Ready for Prime Time?, (Mon, Mar 9th)

2026-03-10T01:23:49Z8870d7a4f044c3191cef7c4b4b4840352532ebe8dc481bde5b1218d2f5a9cbf3
CVE-2024-4040CVE-2025-31161CVE-2025-54309CrushFTPECHEncrypted Client HelloRFCSANS ISC diaryXWormYARA-Xbruteforce scansmalwaresoftware releasethreat intelvulnerabilitieszero-day

What happened

SANS ISC diary feed (Mar 3–9, 2026) covering multiple items: publication of related RFCs for Encrypted Client Hello (ECH); YARA-X 1.14.0 release with improvements and bug fixes; discussion of an ongoing XWorm malware wave using multi-technology delivery; and reports of brute-force scans targeting CrushFTP alongside a recap of serious CrushFTP vulnerabilities — CVE-2024-4040, CVE-2025-31161 — and an actively exploited July 2025 zero-day CVE-2025-54309.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
sans_isc_diary
Record identifier
8870d7a4f044c3191cef7c4b4b4840352532ebe8dc481bde5b1218d2f5a9cbf3
Enrichment time
2026-03-10T01:23:49Z
AI-assisted enrichment
Yes

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Record · Encrypted Client Hello: Ready for Prime Time?, (Mon, Mar 9th) · Baitaphish