Did stuff

.gitignore

@@ -5,3 +5,4 @@
 sections/
 *.zip
 X570PG4*.*
+*.extracted/

X570PG4/README.md

@@ -0,0 +1,16 @@
+# ASRock X570 Phantom Gaming 4 FW
+
+## Steps
+1. download fw
+2. binwalk
+
+## Mappings
+to be done
+
+Take over from old doc:
+- 4456808 = lzma = jpg images / boot splash
+- 4591952 = lzma = windows pe binaries - unknown usage
+- 4633968 = lzma = win-pe bins, aes-s box 
+
+
+Convinent: 

X570PG4/docs.adoc

@@ -1,19 +0,0 @@
-= Reversing of the AsRock X570 Phantom Gaming 4 firmware image
-
-== Steps
-1. download fw 
-2. binwalk
-
-
-== Mappings
-=== 4456808
-Compressed lzma
-Contains boot images
-
-|===
-| Start, Length, Type, Description
-| 4456808, 15525, LZMA Archive, Boot splash images
-|===
-4456808 = lzma = jpg images 
-4591952 = lzma = windows pe binaries - unknown usage
-4633968 = lzma = win-pe bins, aes-s box 

X570PG4/download_fw.sh

@@ -1,2 +1,3 @@
-wget "https://download.asrock.com/BIOS/AM4/X570%20Phantom%20Gaming%204(5.60)ROM.zip" -O ASX570FW.zip
+wget "https://download.asrock.com/BIOS/AM4/X570%20Phantom%20Gaming%204(5.60)ROM.zip" -O X570PG4.zip
-7z x ASX570FW.zip
+7z x X570PG4.zip
+rm X570PG4.zip

X570PG4/extract.sh

@@ -14,3 +14,10 @@ mkdir sections/4591952
 dd if=X570PG45.60 skip=4591952 bs=1 count=41951 of=sections/4591952/image.lzma
 unlzma sections/4591952/image.lzma
 dd if=sections/4591952/image skip=204 bs=1 count=2020 of=sections/4591952/204.bin
+
+
+# Section 23732584
+echo "Extracting 23732584"
+mkdir sections/23732584
+dd if=X570PG45.60 skip=23732584 bs=1 count=15525 of=sections/23732584/image.lzma
+unlzma sections/23732584/image.lzma

X570PG4/magic.py

@@ -0,0 +1,33 @@
+import os
+import io
+
+def search_filetype(filePath, magicBytes):
+    with io.open(filePath, mode="rb") as file:
+        for line in file:
+            if magicBytes in line:
+                offset = file.tell()
+                print(f"Found at {hex(offset)}!")
+
+def extract_jpeg(filePath, offset):
+    image = b''
+    with io.open(filePath, mode="rb") as file:
+        file.seek(offset)
+        for line in file:
+            if jpeg_sig not in line:
+                image += line
+    
+    f = open(f"test/{offset}.jpeg", "a")
+    f.write(image)
+    f.close()
+
+xz_sig = b'\x5d\x00\x00'
+#tiff_sig = b'\x49\x49\x2A\x00'
+#jpeg_sig = b'\xFF\xD8\xFF\xE0'
+print("Searching for LZMA..")
+search_filetype("X570PG45.60", xz_sig)
+
+#print("Searching for TIFF...")
+#search_filetype("X570PG45.60", tiff_sig)
+
+#print("Searching for JPEG...")
+#search_filetype("X570PG45.60", jpeg_sig)