happy birthday my dear. i hope you’ll like my present for you.
[ birthday easter egg asm message ]
just something i whipped up for a special someone…
; 21 is the magic number that will unlock the message
%define lynkey 21
global lynlyn
section .text
lynlyn
mov edx, (egreeter-greeter)
lea ecx, [edx-2]
lea edi, [greeter]
dmorph
mov al, [edi]
xor al, lynkey
mov [edi], al
inc edi
loop dmorph
mov eax, 4
mov ebx, 1
mov ecx, greeter
int 0x80
xor eax, eax
inc eax
xor ebx, ebx
int 0x80
section .data
greeter \
db 0x78,0x6c,0x35,0x71,0x70,0x74,0x67,0x35,0x73,0x67,0x7c,0x70
db 0x7b,0x71,0x35,0x79,0x6c,0x7b,0x79,0x6c,0x7b,0x39,0x1f,0x1f
db 0x6c,0x7a,0x60,0x32,0x63,0x70,0x35,0x74,0x79,0x62,0x74,0x6c
db 0x66,0x35,0x77,0x70,0x70,0x7b,0x35,0x61,0x7d,0x70,0x67,0x70
db 0x35,0x73,0x7a,0x67,0x35,0x78,0x70,0x35,0x70,0x66,0x65,0x70
db 0x76,0x7c,0x74,0x79,0x79,0x6c,0x1f,0x71,0x60,0x67,0x7c,0x7b
db 0x72,0x35,0x78,0x6c,0x35,0x79,0x7a,0x62,0x70,0x66,0x61,0x35
db 0x78,0x7a,0x78,0x70,0x7b,0x61,0x66,0x3b,0x1f,0x7c,0x35,0x76
db 0x7a,0x60,0x79,0x71,0x35,0x7b,0x7a,0x61,0x35,0x74,0x66,0x7e
db 0x35,0x73,0x7a,0x67,0x35,0x74,0x35,0x77,0x70,0x61,0x61,0x70
db 0x67,0x35,0x73,0x70,0x78,0x74,0x79,0x70,0x35,0x73,0x67,0x7c
db 0x70,0x7b,0x71,0x3b,0x1f,0x6c,0x7a,0x60,0x35,0x78,0x74,0x6c
db 0x35,0x7b,0x70,0x63,0x70,0x67,0x35,0x72,0x70,0x61,0x35,0x61
db 0x7a,0x35,0x67,0x70,0x74,0x71,0x35,0x61,0x7d,0x7c,0x66,0x39
db 0x35,0x77,0x60,0x61,0x35,0x7c,0x7b,0x76,0x74,0x66,0x70,0x35
db 0x6c,0x7a,0x60,0x35,0x71,0x7a,0x3b,0x3b,0x3b,0x1f,0x7c,0x35
db 0x7f,0x60,0x66,0x61,0x35,0x62,0x74,0x7b,0x7b,0x74,0x35,0x66
db 0x74,0x6c,0x35,0x61,0x7d,0x74,0x7b,0x7e,0x35,0x6c,0x7a,0x60
db 0x35,0x73,0x7a,0x67,0x35,0x77,0x70,0x7c,0x7b,0x72,0x35,0x78
db 0x6c,0x35,0x77,0x70,0x66,0x61,0x35,0x73,0x67,0x7c,0x70,0x7b
db 0x71,0x3b,0x1f,0x65,0x79,0x70,0x74,0x66,0x70,0x35,0x71,0x7a
db 0x7b,0x32,0x61,0x35,0x70,0x63,0x70,0x67,0x35,0x76,0x7d,0x74
db 0x7b,0x72,0x70,0x3b,0x35,0x74,0x7b,0x71,0x35,0x7c,0x73,0x35
db 0x61,0x7d,0x70,0x35,0x71,0x74,0x6c,0x35,0x76,0x7a,0x78,0x70
db 0x66,0x35,0x62,0x7d,0x70,0x7b,0x1f,0x6c,0x7a,0x60,0x32,0x79
db 0x79,0x35,0x73,0x7c,0x7b,0x74,0x79,0x79,0x6c,0x35,0x62,0x74
db 0x79,0x7e,0x35,0x71,0x7a,0x62,0x7b,0x35,0x61,0x7d,0x70,0x35
db 0x7c,0x66,0x79,0x70,0x35,0x62,0x7c,0x61,0x7d,0x35,0x74,0x7b
db 0x7a,0x61,0x7d,0x70,0x67,0x35,0x72,0x60,0x6c,0x39,0x1f,0x7c
db 0x35,0x66,0x62,0x70,0x74,0x67,0x35,0x7c,0x32,0x79,0x79,0x35
db 0x76,0x67,0x6c,0x3b,0x35,0x7d,0x70,0x32,0x66,0x35,0x61,0x7d
db 0x70,0x35,0x79,0x60,0x76,0x7e,0x7c,0x70,0x66,0x61,0x35,0x72
db 0x60,0x6c,0x35,0x7a,0x7b,0x35,0x70,0x74,0x67,0x61,0x7d,0x35
db 0x77,0x70,0x76,0x74,0x60,0x66,0x70,0x35,0x7a,0x73,0x35,0x6c
db 0x7a,0x60,0x3b,0x1f,0x1f,0x7d,0x74,0x65,0x65,0x6c,0x35,0x27
db 0x24,0x35,0x61,0x7d,0x7a,0x60,0x72,0x7d,0x61,0x73,0x60,0x79
db 0x35,0x6c,0x70,0x74,0x67,0x66,0x35,0x72,0x7a,0x79,0x71,0x7c
db 0x79,0x7a,0x76,0x7e,0x66,0x3b,0x3b,0x35,0x70,0x66,0x61,0x70
db 0x35,0x79,0x6c,0x7b,0x61,0x60,0x61,0x34,0x1f,0x1f,0x7c,0x32
db 0x79,0x79,0x35,0x7e,0x70,0x70,0x65,0x35,0x6c,0x7a,0x60,0x35
db 0x76,0x79,0x7a,0x66,0x70,0x35,0x61,0x7a,0x35,0x78,0x6c,0x35
db 0x7d,0x70,0x74,0x67,0x61,0x35,0x61,0x7c,0x79,0x79,0x35,0x61
db 0x7d,0x70,0x35,0x71,0x74,0x6c,0x35,0x7c,0x35,0x71,0x7c,0x70
db 0x3b,0x1f,0x1f,0x66,0x7c,0x72,0x7b,0x70,0x71,0x2f,0x1f,0x35
db 0x38,0x35,0x7b,0x7c,0x70,0x79,0x35,0x74,0x7b,0x61,0x7d,0x7a
db 0x7b,0x6c,0x35,0x70,0x35,0x74,0x76,0x60,0x7b,0x74,0x3b,0x35
db 0x25,0x23,0x3a,0x27,0x24,0x3a,0x25,0x23,0x0a,0x00
egreeter