data: add random_shellcode source files too

lab_results/random_shellcode/twoarray_work.c

@@ -0,0 +1,56 @@
+#include <windows.h>
+#include <stdio.h>
+
+
+int main(void)
+{
+	
+
+	#define PAYLOAD_SIZE 42
+char evens[21] = {0xff, 0x74, 0x65, 0x73, 0x74, 0x65, 0x69, 0x6e, 0x73, 0x7a, 0x77, 0x6f, 0x65, 0x69, 0x6e, 0x73, 0x7a, 0x77, 0x6f, 0x32, 0x32};
+char odds[21] = {0xfe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
+
+
+	char shellcode[PAYLOAD_SIZE] = { 0x00 };
+	int twoArrIdx = 0;
+	int idx = 0;
+
+	while (idx < PAYLOAD_SIZE)
+	{
+		// read from the even array
+		shellcode[idx] = evens[twoArrIdx];
+		
+		// odds will be one byte less than evens if PAYLOAD_SIZE is odd
+		if ( twoArrIdx == (int)sizeof(odds) )
+		{
+			// do nothing, otherwise we'll read past the end of our array
+		}
+		else
+		{
+			// read from odd array
+			shellcode[idx+1] = odds[twoArrIdx];
+			
+			// increment twoArrIdx to move to the next position in the evens and odds arrays
+			twoArrIdx++;
+		}
+
+		// we've just added two bytes, so we need to shift two positions instead of one
+		idx = idx + 2;
+	}
+
+	idx = 0;
+	while ( idx < PAYLOAD_SIZE)
+	{
+		if (idx == (PAYLOAD_SIZE - 1))
+		{
+			printf("0x%02x ", (unsigned char)shellcode[idx]);
+		}
+		else
+		{
+			printf("0x%02x, ", (unsigned char)shellcode[idx]);
+		}
+		idx++;
+	}
+
+    return 0;
+}