Security

FortinetSecurity

The Analysis of ISC BIND NSEC Record Handling DoS (CVE-2016-9147)

The latest patch for BIND from the Internet Systems Consortium (ISC) fixes a NESC record-related bug. Remote BIND recursive servers may crash when attempting to handle the specifically-crafted query response with NESC record sent by attackers, thereby causing a denial of service (DoS). This potential DoS vulnerability is caused by a RUNTIME CHECK error in Resolver.c when caching the DNS response with NSEC Record. In this post we will examine the BIND source codes and expose the root cause of this vulnerability. The NSEC record (record type…

Read More
MicrosoftSecurity

Detecting threat actors in recent German industrial attacks with Windows Defender ATP

When a Germany-based industrial conglomerate disclosed in December 2016 that it was breached early that year, the breach was revealed to be a professionally run industrial espionage attack. According to the German press, the intruders used the Winnti family of malware as their main implant, giving them persistent access to the conglomerate’s network as early…

Read More