glacier ctf 25

2025/glacier/rev/c2/ida_script.py

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+import idc
+import idaapi
+import sys
+
+def main():
+    # 1. Get the effective address (EA) of the current cursor position.
+    ea = idaapi.get_screen_ea()
+
+    if ea == idaapi.BADADDR:
+        print("[-] Error: Could not get current effective address.")
+        return
+
+    # 2. Read the value at the effective address.
+    # We will try to read a 4-byte (DWORD) value as a common default.
+    # You might need to adjust the size (e.g., idc.get_qword for 8 bytes, idc.get_byte for 1 byte)
+    # depending on what you are highlighting.
+    try:
+        # Use get_wide_dword to read 4 bytes (DWORD).
+        # Note: If you highlight an immediate value, you might need more complex logic
+        # (like analyzing the instruction's operand) to get the value directly.
+        # This approach assumes you are highlighting the address of the variable's value in memory.
+        value = idc.get_wide_dword(ea)
+    except Exception as e:
+        print(f"[-] Error reading memory at 0x{ea:X}: {e}")
+        return
+
+    # 3. Format the value as a hexadecimal string.
+    # The 'X' format specifier produces a hexadecimal string (e.g., 'DEADBEEF').
+    # The '0' fills with leading zeros up to the required width (8 for DWORD).
+    hex_string = f"{value:08X}"
+
+    # 4. Print the output in the format you requested:
+    # "Passing value as hex string: DEADBEEF"
+    print(f"[+] Effective Address: 0x{ea:X}")
+    print(f"[+] Extracted Value (4-bytes): 0x{value:X}")
+    print(f"[+] Passing value as hex string: {hex_string}")
+
+if __name__ == "__main__":
+    # Ensure the environment is set up for IDAPython execution
+    print("--- Running Script to Get Highlighted Value ---")
+    main()
+    print("--- Script Finished ---")