NetworkMiner 3.1 Released
This NetworkMiner release brings improved extraction of artifacts like usernames, passwords and hostnames from network traffic. We have also made some updates to the user interface and continued our effort to extract even more details from malware C2 traffic. More Artifacts Extracted Usernames and p[...] ... Read More
Optimizing IOC Retention Time
Are you importing indicators of compromise (IOC) in the form of domain names and IP addresses into your SIEM, NDR or IDS? If so, have you considered for how long you should keep looking for those IOCs? An IoT botnet study from 2022 found that 90% of C2 servers had ... Read More
Online Network Forensics Class
I will teach a live online network forensics training on February 23-26. The full title of the class is Network Forensics for Incident Response, where we will analyze PCAP files containing network traffic from hackers and malware. The training is split into four interactive sessions running from 13:[...] ... Read More
Gh0stKCP Protocol
Gh0stKCP is a command-and-control (C2) transport protocol based on KCP. It has been used by malware families such as PseudoManuscrypt and ValleyRAT/Winos4.0. @Jane_0sint recently tweeted about ValleyRAT using a new UDP based C2 protocol. I wanted to take a closer look at the protocol, so I downloade[...] ... Read More
PureRAT = ResolverRAT = PureHVNC
PureRAT is a Remote Access Trojan, which can be used by an attacker to remotely control someone else's PC. PureRAT provides the following features to an attacker: See the victims user interfaceInteract with the victim PC using mouse and keyboardView the webcamListen to the microphoneRecord keystroke[...] ... Read More
PureLogs Forensics
I analyzed some PureLogs Stealer malware infections this morning and found some interesting behavior and artifacts that I want to share. PureLogs infections sometimes start with a dropper/downloader (PureCrypter) that retrieves a .pdf file from a legitimate website. The dropper I will demo here down[...] ... Read More
CapLoader 2.0.1 Released
This update resolves several minor bugs, but also brings better protocol identification and a new IP lookup alert to CapLoader. Alert for IP lookup using ip-api.com in PCAP from tria.ge Transcript of ip-api.com IP lookup traffic IP lookup services, like ip-api, checkip.amazonaws.com and ident.me, ar[...] ... Read More
CapLoader 2.0 Released
I am thrilled to announce the release of CapLoader 2.0 today! This major update includes a lot of new features, such as a QUIC parser, alerts for threat hunting and a feature that allow users to define their own protocol detections based on example network traffic. User Defined Protocols CapLoader's[...] ... Read More
Comparison of tools that extract files from PCAP
One of the premier features in NetworkMiner is the ability to extract files from captured network traffic in PCAP files. NetworkMiner reassembles the file contents by parsing protocols that are used to transfer files across a network. But there are other tools that also can extract files from PCAP f[...] ... Read More
Decoding njRAT traffic with NetworkMiner
I investigate network traffic from a Triage sandbox execution of njRAT in this video. The analysis is performed using NetworkMiner in Linux (REMnux to be specific). About njRAT / Bladabindi njRAT is a Remote Access Trojan (RAT) that can be used to remotely control a hacked computer. It has been ... Read More

