Detecting and decompiling bundles (v3 and v5)

[joeloff]

Question

Is there a way to programmatically distinguish between a v3 and v5 bundles? Any magic number hidden in the PE structure? The .wixburn sections appear similar. Dark can decompile v5 bundles, but my guess is because the manifest uses the v4 schema, it just extracts the attached containers and labels them u0, u1, u2. I need to do some post-build processing on bundles and can be presented with either v3 or v5. At the moment the code only supports v3 and uses the unbinder API to extract everything.

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[joeloff]

Okay, after playing around it seems v5 can properly extract v3 bundles, so that should solve my problem I think.