viktorиClaude Opus 4.8
ae36c3b729
- Полный RE стока V3.25 (Cortex-M4F) + FM100B: карта памяти, протокол, codeplug, UI-архитектура - Русификация: свой CP1251-шрифт + патч рендера, перевод меню и надписей, ребренд Ru-4D V3.25 - Блюпринт переделки UI + C-тулчейн (clang thumbv7em), доказан инъекцией - Готовые флешеры: WebSerial .html и Windows .exe со вшитой прошивкой - Дамп SPI рации, стоковая прошивка, инструменты сборки Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
76 строки
2.3 KiB
Python
76 строки
2.3 KiB
Python
import struct, collections
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DUMP = r"C:/Users/vikto/Documents/Claude/rt-4d/radio-spi-dump.bin"
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with open(DUMP,'rb') as f:
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data = f.read()
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assert len(data)==4194304
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def hexdump(off, n=256, base=None):
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if base is None: base=off
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out=[]
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for i in range(0,n,16):
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chunk=data[off+i:off+i+16]
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if not chunk: break
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hexs=' '.join(f'{b:02x}' for b in chunk)
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asc=''.join(chr(b) if 32<=b<127 else '.' for b in chunk)
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out.append(f'{base+i:08x} {hexs:<47} {asc}')
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return '\n'.join(out)
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def stats(off, size):
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seg=data[off:off+size]
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c=collections.Counter(seg)
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ff=c.get(0xff,0); zz=c.get(0x00,0)
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return f'size={size} ff={ff}({100*ff/size:.1f}%) 00={zz}({100*zz/size:.1f}%) distinct={len(c)}'
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def find_ascii_runs(off, size, minlen=4):
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seg=data[off:off+size]
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runs=[]; cur=b''; start=0
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for i,b in enumerate(seg):
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if 32<=b<127:
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if not cur: start=i
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cur+=bytes([b])
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else:
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if len(cur)>=minlen: runs.append((off+start, cur))
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cur=b''
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if len(cur)>=minlen: runs.append((off+start,cur))
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return runs
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def detect_period(off, size, maxp=1024):
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"""Find best repeating period by autocorrelation-ish match on a window."""
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seg=data[off:off+min(size,4096)]
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best=[]
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for p in range(2,maxp):
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if p>=len(seg): break
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match=sum(1 for i in range(len(seg)-p) if seg[i]==seg[i+p])
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best.append((match/(len(seg)-p), p))
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best.sort(reverse=True)
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return best[:6]
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def compare_region(a_off, b_off, size):
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same=sum(1 for i in range(size) if data[a_off+i]==data[b_off+i])
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return same, size, 100*same/size
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regions = [
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("0x010000", 0x010000, 0x1000),
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("0x03E000", 0x03E000, 0x1000),
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("0x0D0000", 0x0D0000, 0x6000),
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("0x100000", 0x100000, 0x1000),
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("0x126000", 0x126000, 0x5000),
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("0x14C000", 0x14C000, 0xB000),
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("0x164000", 0x164000, 0x32000),
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("0x325000", 0x325000, 0x1000),
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]
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for name,off,size in regions:
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print("="*100)
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print(f"REGION {name} {stats(off,size)}")
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print("-- head --")
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print(hexdump(off,256))
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print("-- period (top ratios) --")
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print(detect_period(off,size))
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runs=find_ascii_runs(off,min(size,0x8000),4)
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print(f"-- ascii runs (first 20 of {len(runs)}) --")
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for r in runs[:20]:
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print(f' {r[0]:08x}: {r[1][:60]!r}')
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print()
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