Sinkholing Suspicious Scripts or Executables on Linux, (Fri, Jul 25th)
ID: 3f4c350b-277b-579e-bb4d-b7b0ead28500
STIX ID: report--3f4c350b-277b-579e-bb4d-b7b0ead28500
Feed Name: SANS ISC Diary
This guide demonstrates using Linux namespaces to isolate and sinkhole network traffic for safely detonating suspicious scripts. It shows creating a new network namespace with `unshare --net`, configuring `veth` pairs (10.0.0.1 ↔ 10.0.0.2), adding a default route to the main namespace, and capturing traffic with `tcpdump`, while highlighting limitations like the absence of DNS and that only network traffic is isolated.
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