Cobalt Strike 4.10: Through the BeaconGate
Cobalt Strike 4.10 is now available. This release introduces BeaconGate, the Postex Kit, and Sleepmask-VS. In addition, we have overhauled the Sleepmask API, refreshed the
Introducing the Mutator Kit: Creating Object File Monstrosities with Sleep Mask and LLVM
This is a joint blog written by William Burgess (@joehowwolf) and Henri Nurmi (@HenriNurmi). In our ‘Cobalt Strike and YARA: Can I Have Your Signature?’
Out of Band Update: Cobalt Strike 4.9.1
Cobalt Strike 4.9.1 is now available. This is an out of band update to fix an issue that was discovered in the 4.9 release that
Cobalt Strike 4.9: Take Me To Your Loader
Cobalt Strike 4.9 is now available. This release sees an overhaul to Cobalt Strike’s post exploitation capabilities to support user defined reflective loaders (UDRLs), the
Cobalt Strike and Outflank Security Tooling: Friends in Evasive Places
This is a joint blog written by the Cobalt Strike and Outflank teams. It is also available on the Outflank site. Over the past few months
Cobalt Strike and YARA: Can I Have Your Signature?
Over the past few years, there has been a massive proliferation of YARA signatures for Beacon. We know from conversations with our customers that this
Cobalt Strike 2023 Roadmap and Strategy Update
I blogged about the Cobalt Strike roadmap in March last year and while the fundamental tenets of our approach to R&D remain unaltered, a lot
Cobalt Strike 4.8: (System) Call Me Maybe
Cobalt Strike 4.8 is now available. This release sees support for system calls, options to specify payload guardrails, a new token store, and more. We
Behind the Mask: Spoofing Call Stacks Dynamically with Timers
This blog introduces a PoC technique for spoofing call stacks using timers. Prior to our implant sleeping, we can queue up timers to overwrite its
Out Of Band Update: Cobalt Strike 4.7.1
Cobalt Strike 4.7.1 is now available. This is an out of band update to fix an issue discovered in the 4.7 release that was reported