Snort mailing list archives
Kubernetes kubelet API
From: Y M via Snort-sigs <snort-sigs () lists snort org>
Date: Mon, 7 May 2018 17:03:43 +0000
Hi, The first rule addresses the unauthenticated read-only HTTP access potentially disclosing sensitive information about pods. The second rule address the remote execution attempts over the HTTPS read/write port. No pcaps available. # -------------------- # Date: 2018-05-06 # Title: Analysis of a Kubernetes hack — Backdooring through kubelet # Reference: https://medium.com/handy-tech/analysis-of-a-kubernetes-hack-backdooring-through-kubelet-823be5c3d67c # Tests: syntax only alert tcp $EXTERNAL_NET any -> $HOME_NET [10250,10255] (msg:"SERVER-OTHER Kubernetes kubelet API read-only pods information access attempt"; flow:to_server,established; content:"GET"; http_method; content:"/pods"; fast_pattern:only; http_uri; reference:url,medium.com/handy-tech/analysis-of-a-kubernetes-hack-backdooring-through-kubelet-823be5c3d67c; classtype:attempted-admin; sid:8000039; rev:1;) alert tcp $EXTERNAL_NET any -> $HOME_NET [10250,10255] (msg:"SERVER-OTHER Kubernetes kubelet API pod remote execution attempt"; flow:to_server,established; content:"POST"; http_method; content:"/exec/"; fast_pattern:only; http_uri; content:"?command="; http_uri; reference:url,medium.com/handy-tech/analysis-of-a-kubernetes-hack-backdooring-through-kubelet-823be5c3d67c; classtype:attempted-admin; sid:8000040; rev:1;) Thanks. YM
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Current thread:
- Kubernetes kubelet API Y M via Snort-sigs (May 07)
- Re: Kubernetes kubelet API Phillip Lee (May 07)