One-Byte NOOP Equivalent Sled

This technique involves utilizing one-byte opcodes to perform the same sled effect. Some IDSs may focus on only some possible variations that can be used.

Additional one-byte Opcodes: The following opcodes can be utilized to create a sled. The majority are the increment opcodes that manipulate registers and return pointers.

Opcode	Assembly	ASCII
27	DAA	`
2f	DAS	/
33 c0	XOR %EAX, %EAX
37	AAA	7
3f	AAS	?
40	INC %EAX	@
41	INC %ECX	A
42	INC %EDX	B
43	INC %EBX	C
44	INC %ESP	D
45	INC %EBP	E
46	INC %ESI	F
47	INC%EDI	G
48	DEC %EAX	H
4a	DEC %EDX	J