Created
December 8, 2022 23:16
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CPSC 458 - Disassemble arbitrary code from a hex dump
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| #!/bin/bash | |
| set -euo pipefail | |
| TMP_HEX=$(mktemp) | |
| TMP_BIN=$(mktemp) | |
| # Listing 19-1 | |
| cat > "$TMP_HEX" <<EOF | |
| 83 EC 20 | |
| 31 D2 | |
| E8 0D 00 00 00 | |
| 48 65 6C 6C 6F | |
| 20 57 6F 72 6C | |
| 64 21 00 | |
| 5F | |
| 52 | |
| 57 | |
| 57 | |
| 52 | |
| B8 EA 07 45 7E | |
| FF D0 | |
| 52 | |
| B8 FA CA 81 7C | |
| FF D0 | |
| EOF | |
| xxd -r -p "$TMP_HEX" "$TMP_BIN" | |
| objdump --disassemble-all --target=binary --architecture=i386 "$TMP_BIN" |
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