NetworkMiner 2.6 Released

We are happy to announce the release of NetworkMiner 2.6 today! The network forensic tool is now even better at extracting emails, password hashes, FTP transfers and artifacts from HTTP and HTTP/2 traffic than before.

Some of the major improvements in this new release are related to extraction and presentation of emails from SMTP, POP3 and IMAP traffic. On that note, we’d like to thank Mandy van Oosterhout for reporting a bug in our email parser!

I have previously blogged about how to extract John-the-Ripper hashes from Kerberos network traffic with NetworkMiner. We have now added support for presenting LANMAN and NTLM credentials as JtR hashes as well.

We have also improved NetworkMiner’s Linux support. Files, images and folders can now be opened in external tools directly from the NetworkMiner GUI also when running NetworkMiner in Linux using Mono 6 (or later). Linux users previously got a “System.ComponentModel.Win32Exception” error message saying something like “Cannot find the specified file” or “Access denied” due to a breaking change introduced in Mono version 6.

The new release also comes with several updates of how HTTP and HTTP/2 traffic is handled and presented. We have, for example, added better extraction of data sent in HTTP (or HTTP/2) POST requests. Posted JSON formatted parameters are also extracted even if the JSON data has been gzip compressed. The “Accept-Language” header values in HTTP and HTTP/2 are extracted as “Host Details” in order to support forensic analysis of user language settings, as shown by Fox-IT in their “Operation Wocao - Shining a light on one of China’s hidden hacking groups” report.

NetworkMiner has supported decapsulation of tunneling protocols and protocols for network virtualization, like 802.1Q, GRE, PPPoE, VXLAN, OpenFlow, MPLS and EoMPLS, since version 2.1. We have now improved our GRE parser to also support NVGRE (RFC 7637) by adding support for Transparent Ethernet Bridging.

Jan Hesse sent us a feature request on Twitter earlier this year, where asked about support for FritzBox captures. We are happy to announce that NetworkMiner now supports the modified pcap format you get when sniffing network traffic with a FritzBox gateway.

NetworkMiner 2.6 can now also parse and extract SIP chat messages (RFC 3428) to the “Messages” tab. Audio extraction of VoIP calls is still a feature that is exclusively available only in NetworkMiner Professional though.

NetworkMiner Professional

Our commercial tool NetworkMiner Professional has received a few additional updates, such as support for analysis of HTTP/2 traffic in the “Browsers tab”. However, please note that NetworkMiner does not perform TLS decryption, so the HTTP/2 traffic will have to be decrypted by a TLS proxy like PolarProxy prior to being saved to a PCAP file.

We have added a few new great online services to NetworkMiner Pro’s OSINT lookup as well, such as shouldiclick.org, Browserling, MalwareDomainList and VirusTotal lookups of URL’s in the “Browsers” tab. We have also added some additional external OSINT sources for lookups of IP addresses and domain names, such as MalwareDomainList and mnemonic ACT. The JA3 hash lookup menu in NetworkMiner Professional’s “Hosts” tab has also been extended to include GreyNoise.

NetworkMiner Pro previously played back G.722 VoIP audio at half speed. This issue has now been fixed, so that G.722 RTP audio is extracted and played back in 16k samples/s. The bug was due to an error in RFC 1890 that was later corrected in RFC 3551. Thanks to Michael "MiKa" Kafka for teaching us about this!

Excerpt from RFC 3551:

Even though the actual sampling rate for G.722 audio is 16,000 Hz, the RTP clock rate for the G722 payload format is 8,000 Hz because that value was erroneously assigned in RFC 1890 and must remain unchanged for backward compatibility. The octet rate or sample-pair rate is 8,000 Hz.

We’d also like to mention that NetworkMiner Professional now comes with improved analytical support to help investigators detect Tor traffic.

Upgrading to Version 2.6

Users who have purchased a license for NetworkMiner Professional 2.x can download a free update to version 2.6 from our customer portal, or use the “Help > Check for Updates” feature. Those who instead prefer to use the free and open source version can grab the latest version of NetworkMiner from the official NetworkMiner page.

Posted by Erik Hjelmvik on Wednesday, 23 September 2020 09:10:00 (UTC/GMT)

Tags: #NetworkMiner​ #SMTP​ #POP3​ #IMAP​ #email​ #FTP​ #JtR​ #John​ #Mono​ #Linux​ #HTTP​ #HTTP/2​ #GRE​ #SIP​ #VoIP​ #Tor​ #PCAP​

CapLoader 1.7 Released

We are happy to announce the release of CapLoader 1.7!

Here’s an overview of what’s new in this release:

• Regular expression searching
• Lookup of IP addresses using online services
• Lookup of domain names using online services
• Improved protocol fingerprinting speed and precision
• Support for GRE, IGMP and ICMPv6 flows
• More precise period estimation of “periodic services”

Regular Expressions Search

CapLoader’s “Find Keyword” window has been extended with an option to search flows using regular expressions (regex) as an alternative to searching for strings or byte sequences. With help of the powerful regex syntax built into .NET this new search option enables very flexible searching.

Image: Searching for Alfa Ransomware flows using regex

The Find Keyword window can be opened by clicking Edit > Find Keyword, or by pressing Ctrl+F after having loaded a PCAP file.

You can learn more about regex searching with CapLoader in our short video called "Detecting the Pony Trojan with RegEx using CapLoader".

OSINT Lookups of IP Addresses and Domains

We added support for querying online services for IPs and domain names to the latest release of NetworkMiner, now it’s time to add this very handy feature to CapLoader as well.

Right-clicking a Flow, Service or Host in CapLoader brings up a context menu with links to various online resources that might have more details regarding the clicked IP address or domain name.

The services available for IP address OSINT lookup include:
APNIC Whois, Censys, Cymon, ExoneraTor, Google Public DNS, GreenSnow.co, Hurricane Electric, IBM X-Force, Internet Storm Center, mnemonic Passive DNS, PacketTotal, SecurityTrails, Shodan, ThreatCrowd, ThreatMiner, UrlQuery and VirusTotal.

The domain name lookup menu contains a similar set of providers:
Cymon, Google Public DNS, Google Safe Browsing, Hybrid Analysis, IBM X-Force Exchange, mnemonic Passive DNS, MXToolBox, MyWOT, Norton Safe Web, PacketTotal, SecurityTrails, ThreatCrowd, ThreatMiner, URL Void, UrlQuery, VirusTotal, Website Informer, Webutation and Whoisology.

Protocol Identification

The dynamic protocol detection (or Port Independent Protocol Detection, aka “PIPI”) in CapLoader has been improved to support even more protocols than before. We have also fine-tuned the protocol identification algorithm to be both faster and more accurate.

Image: Traffic to TCP 8777 identified as SSL (PCAP file from Stratosphere IPS)

Updating to the Latest Release

Users who have previously purchased a license for CapLoader can download a free update to version 1.7 from our customer portal. All others can download a free 30 day trial from the CapLoader product page (no registration required).

Credits

We’d like to thank Michael Nilsson for suggesting the IP and domain name lookup feature and Tohar Braun for suggesting RegEx search support. We’d also like to thank Ralf Alvarsson and Jarmo Lahtiranta for reporting bugs that have been resolved in this release.

Posted by Erik Hjelmvik on Tuesday, 03 July 2018 11:37:00 (UTC/GMT)

Tags: #CapLoader​ #regex​ #keyword​ #pcap​ #GRE​ #OSINT​ #IP​