Embedded-Hacking/WEEK04/slides/WEEK04-IMG10.svg

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<!-- Title -->
<text x="600" y="52" text-anchor="middle" class="title">Full Patching Pipeline</text>
<text x="600" y="88" text-anchor="middle" class="dim">End-to-End Binary Hacking Workflow</text>

<!-- Step 1 -->
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<text x="75" y="158" text-anchor="middle" class="grn">1</text>
<text x="110" y="158" class="sub">Import .bin</text>
<text x="55" y="195" class="txt">Ghidra: Import</text>
<text x="55" y="225" class="cyn">ARM Cortex 32 LE</text>
<text x="55" y="252" class="dim">Base: 0x10000000</text>

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<text x="460" y="158" text-anchor="middle" class="cyn">2</text>
<text x="495" y="158" class="sub">Analyze</text>
<text x="440" y="195" class="txt">Auto-analyze</text>
<text x="440" y="225" class="txt">Rename functions</text>
<text x="440" y="252" class="dim">Fix signatures</text>

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<text x="825" y="158" text-anchor="middle" class="amb">3</text>
<text x="860" y="158" class="sub">Find Target</text>
<text x="805" y="195" class="txt">Listing window</text>
<text x="805" y="225" class="txt">Find movs rN,#val</text>
<text x="805" y="252" class="dim">Identify bytes to change</text>

<!-- Step 4 -->
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<text x="75" y="338" text-anchor="middle" class="red">4</text>
<text x="110" y="338" class="sub">Patch</text>
<text x="55" y="375" class="txt">Right-click:</text>
<text x="55" y="405" class="txt">Patch Instruction</text>
<text x="55" y="432" class="dim">Change operand value</text>

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<text x="460" y="338" text-anchor="middle" class="grn">5</text>
<text x="495" y="338" class="sub">Export</text>
<text x="440" y="375" class="txt">File: Export</text>
<text x="440" y="405" class="amb">Format: Raw Bytes</text>
<text x="440" y="432" class="dim">Save as *-h.bin</text>

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<text x="825" y="338" text-anchor="middle" class="cyn">6</text>
<text x="860" y="338" class="sub">Convert UF2</text>
<text x="805" y="375" class="txt">uf2conv.py</text>
<text x="805" y="405" class="amb">--family 0xe48bff59</text>
<text x="805" y="432" class="dim">RP2350 family ID</text>

<!-- UF2 Command -->
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<text x="60" y="505" class="sub">UF2 Command</text>
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<text x="80" y="542" class="grn">python uf2conv.py file.bin --base 0x10000000 -o hacked.uf2</text>

<!-- Flash & Verify -->
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<text x="310" y="623" text-anchor="middle" class="sub">Flash to Pico 2</text>
<text x="60" y="658" class="txt">1. Hold BOOTSEL + USB</text>
<text x="60" y="688" class="txt">2. Drop hacked.uf2</text>
<text x="60" y="718" class="txt">3. Pico reboots hacked</text>
<text x="60" y="748" class="dim">RPI-RP2 drive in BOOTSEL</text>

<!-- Key Memory Sections -->
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<text x="890" y="623" text-anchor="middle" class="sub">Key Sections</text>

<text x="640" y="658" class="grn">.text</text>
<text x="800" y="658" class="txt">Flash</text>
<text x="940" y="658" class="dim">Code</text>

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<text x="800" y="688" class="txt">Flash</text>
<text x="940" y="688" class="dim">Constants</text>

<text x="640" y="718" class="amb">.data</text>
<text x="800" y="718" class="txt">RAM</text>
<text x="940" y="718" class="dim">Init globals</text>

<text x="640" y="748" class="red">.bss</text>
<text x="800" y="748" class="txt">RAM</text>
<text x="940" y="748" class="dim">Zeroed globals</text>
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