Full teardown of the Windows Common Log File System driver and its October 2026 Patch Tuesday bugs: how a kernel parser that honors pointer placeholders and attacker-controlled offsets from a user-writable file became Windows' most consistently farmed privilege-escalation surface (six exploited-in-the-wild bugs 2022-2025, Nokoyawa and Storm-2460 chains reconstructed), a verified static patch diff of clfs.sys 10.0.26100.9278 against 10.0.26100.9711 (obtained via symbol-server hashes, ~1 KB of new validation code, PSFX extraction post-mortem included), the three new CVEs with their full MSRC specifics including the mysterious CWE-829, Talos's file-signature Snort rules, and why the CLFS authentication mitigation may finally be closing the frontier.
grep -rl "Ransomware" ./posts
#Ransomware
4 matches
Full technical analysis of DragonForce's Windows x86 encryptor: MinGW C++ with Salsa20 multi-mode encryption, BYOVD kernel driver EDR bypass (rentdrv2.sys + truesight.sys), WMI shadow copy deletion, Restart Manager file handle killing, IOCP network scanning, and COM-based scheduled task persistence.
Full technical analysis of RansomHub's Go-based Windows encryptor: garble package obfuscation, X25519+ChaCha20 encryption scheme, built-in SMB lateral movement using go-smb, IOCP parallel file encryption, and service recovery disruption.
Assembly-level analysis of SafePay ransomware — a LockBit 3.0 derivative with a custom CRC-32 import resolver, triple-XOR string obfuscation, IOCP-driven parallel encryption, and NT-layer privilege escalation. Full API inventory recovered by cracking 130+ export hashes.