this post was submitted on 03 Aug 2023
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Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ
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We are seeing on our corporate network lots of browser hikackers that connect to c&c and are used in botnet DDOS as a service. Once you install x software it sets up a persistent service that keeps modding chrome.exe etc
Firewalling the .exe that you installed does nothing to stop the calls to c&c
Fair point. Malware can tunnel through existing comms, thus firewalling the exe would do little to protect you.
That’s why I recommended a multilayered defense and practicing good opsec.
An exe that installs a service, modifies unrelated executables, and sends comms through an unrelated application would be a catastrophic failure in any good defense.
If your system is this wide open then you’ll be likely to have all sorts of problems from non pirated software. Such as freeware that installs adware.
I have tried to find these in the wild to no avail.
Unfortunately the machines that get infected are not fully controlled by us but they get networking and internet from us (space rental in the building), so we isolate them as much as possible and we black hole all the bad traffic on the router level.
Our machines all have EDR and strict security policies. Not much gets past that.
Right on. Gotcha.