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Cortex XDR Remote account enumeration

LukasB
L2 Linker

‎09-15-2022 11:21 AM

Hello,

today we have interesting alert

 

At least 33 distinct non-existing accounts failed to remotely log in to XX-Laptop1. Users list: name.user, user name, user.name, username

 

User has no idea - all day at school, behind NAT. What I cannot really understand how terminal service can be used when is user behind NAT and there is no port forwarding and any kind of redirect.

Any idea what to check next?

 

src. IP adresses looks ok via Virus Total

95.143.188.128
95.143.188.126
95.143.188.122
95.143.188.129

LukasB_0-1663265938108.pngLukasB_1-1663266012645.png

 




1 person had this problem.
(1)
Who rated this post
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