How an anomalous space led to fingerprinting Summary On the 2nd of January 2019 Cobalt Strike version 3.13 was released, which contained a fix for an "extraneous space". This uncommon whitespace in its server responses represents one of the characteristics Fox-IT has been leveraging to identify Cobalt Strike Servers, with high confidence, for the past … Continue reading Identifying Cobalt Strike team servers in the wild
Category: Threat Intelligence
Bokbot: The (re)birth of a banker
This blogpost is a follow-up to a presentation with the same name, given at SecurityFest in Sweden by Alfred Klason. Summary Bokbot (aka: IcedID) came to Fox-IT’s attention around the end of May 2017 when we identified an unknown sample in our lab that appeared to be a banker. This sample was also provided by … Continue reading Bokbot: The (re)birth of a banker