SANS Digital Forensics and Incident Response Blog: Category - Evidence Analysis

SRP Streams in MS Office Documents Reveal Earlier Versions of Malicious Macros

SRP streams in Microsoft Office documents can reveal older versions of VBA macro code used by the adversary in earlier attacks. After the attacker modifies the malicious document for a new attack, Microsoft Office sometimes retains a cache of the earlier macro inside these streams, allowing analysts to expand their understanding of the incident and derive valuable threat intelligence. In other words, SRP streams can help investigators travel back in time. Continue reading SRP Streams in MS Office Documents Reveal Earlier Versions of Malicious Macros


Managing and Exploring Malware Samples with Viper

Keeping track of all the samples on your plate can become cumbersome and at times, next to impossible; that's where projects like Viper come in. Viper is "a framework to store, classify and investigate binary files." The following article, contributed by David Westcott, explains how to get started with this tool. Continue reading Managing and Exploring Malware Samples with Viper


Case Leads: A Forensicator's take on BlackHat/DefCon/BSides

It's been a busy time in digital forensics and incident response (DFIR). Every summer, for over 20 years, infosec and forensicators and old school hackers have gathered in Las Vegas. A mixture of very deep tech talks, trainings, and technology oriented distractions "flood the zone" in Las Vegas. Close to 15-20,000 people were in Las … Continue reading Case Leads: A Forensicator's take on BlackHat/DefCon/BSides


When Cases Involve SSNs and Credit Card Data: "Sensitive Data Search and Baseline" Python Script

A key component of any investigation is the type of data exfiltrated. If sensitive data is on a compromised machine, risk is increased significantly. Also, there is a patch work of legislation covering various types of data which is considered sensitive (http://www.reyrey.com/regulations/). In general, social security and credit card numbers are at the top of … Continue reading When Cases Involve SSNs and Credit Card Data: "Sensitive Data Search and Baseline" Python Script


Caseleads: South Korea Attack Forensics; Google Glass Brings Discoverable Evidence To Litigation; The Post Data Breach Boom; Fighting Insider Fraudsters

Mark this date: On March 20th 2013, the non-technical managers may finally start to understand what a digital forensics professional actually does. With the massive cyber attacks on South Korean banks, media outlets, and ISPs, the role of forensicators is put front and center. The attack(s) resulted in widespread ATM outages, online banking and mobile … Continue reading Caseleads: South Korea Attack Forensics; Google Glass Brings Discoverable Evidence To Litigation; The Post Data Breach Boom; Fighting Insider Fraudsters