ShellcodeBakery

A simple tool to assemble shellcode ready to be copy-pasted into code

Usage

Enter the ASM code in the left Text box. Make sure to use FASM Syntax.
Select the output settings and hit assemble.
Example output when checking all 3 boxes:
Input:

mov rcx, 69420h
sub rsp, 20h
call rax
add rsp, 20h
cmp rax, 2
jne 0x5

Output:

char shellcode[] = { 
	0x48, 0xC7, 0xC1, 0x20, 0x94, 0x06, 0x00, 	 // 0x0: mov rcx, 69420h
	0x48, 0x83, 0xEC, 0x20, 				 // 0x7: sub rsp, 20h
	0xFF, 0xD0, 						 // 0xB: call rax
	0x48, 0x83, 0xC4, 0x20, 				 // 0xD: add rsp, 20h
	0x48, 0x83, 0xF8, 0x02, 				 // 0x11: cmp rax, 2
	0x75, 0x03						 // 0x15: jne 0x5
};