Discover and read the best of Twitter Threads about #dailypcap

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Mal devs themselves introduce some of the funniest & hi-fi (although short lived) detection opportunities. Amongst several applicable HTTP methodologies, we see "Content-Type:application/octect-stream." Don't manually type out your HPTP headers for your C2 protocolols. #dailypcap
This network traffic comes from newish backdoor ExileRAT (compiled 2019-01-30T07:05:47Z) 606e943b93a2a450c971291e394745a6 that was hanging (with a multitude of other evil) on recently #opendir "http://27.126.188[.]212" There are ties to a humongous cluster of probs CN espionage.
The attackers from IP 27.126.188[.]212 are rollin' deep with kit. (1) looks to be some derivative of python toolkit and also does some logging of connections. Sc.dat (2) is HTML that does JS get and creates a scheduled task for the exe.
Read 5 tweets
My @FireEye friends @DavidPany and @deeemdee4 put out a badass blog on tunneled RDP. What is it? How is it used? What can you do to find it? Read more here:…
Tunneled RDP typically refers to an interactive RDP session that occurs over the same "channel" as another comms session. This is done in a variety of ways, but primarily established through either a backdoor implant or a utility with some sort of port forwarding setup.
On RDP tunneled over SSH with PLINK. We've seen the *standard* PLINK file used. We've also seen PLINK variants with hard-coded parameters and configs and whatnot.
Read 18 tweets

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