#yara-x

Articles tagged with #yara-x

Detect ICMP-Ghost Implant ICMP and DNS Tunnelling C2 Traffic Using PacketSmith Yara-X & ICMP Detection Modules
Introduction ICMP-Ghost is an open-source tunnelling framework written in pure x64 assembly. What stands out about this framework, compared to other closed- and open-source ones, is the author's claim
Aug 14, 202612 min read48
Detecting Exploitation of CrushFTP Vulnerability (CVE-2025-31161) With PacketSmith Yara Detection Module - Using track_state and flow_state
Introduction This vulnerability was found by Outpost24 under the identifier CVE-2025-31161 (previously reported as CVE-2025-2825). Outpost24 and other vendors and security researchers have shared enou
May 14, 20268 min read189
Detect Shulfar Malware Encrypted TCP C&C Traffic Using PacketSmith Yara-X Detection Module
Introduction Splunk published a blog post about a variant of the Gh0stRat malware family used in a new campaign delivered alongside the CloverPlus adware. The blog post is titled "Not Just Annoying Ad
Apr 24, 20267 min read577
Detect SnappyClient C&C Traffic Using PacketSmith + Yara-X Detection Module
Introduction Zscaler published a blog post about a new malware called SnappyClient, written in the C++ programming language. The malware communicates with its C&C server using a custom binary protocol
Mar 23, 20266 min read506
Detect Malicious .ip6.arpa TLD Reverse DNS Zone Response Packets using PacketSmith Yara-X Detection Module
Introduction The other day, I was reading this interesting article Abusing .arpa: The TLD That Isn’t Supposed to Host Anything by Infoblox threat intel team, published on February 26, 2026. What got m
Mar 17, 20264 min read177
How to Detect EternalBlue Exploitation
Yara-X + PacketSmith
Feb 12, 20263 min read105