5.11. ISADETECTION
Listing 5.7: random noise (x86)
mov bl, 0Ch
mov ecx, 0D38558Dh
mov eax, ds:2C869A86h
db 67h
mov dl, 0CCh
insb
movsb
push eax
xor [edx-53h], ah
fcom qword ptr [edi-45A0EF72h]
pop esp
pop ss
in eax, dx
dec ebx
push esp
lds esp, [esi-41h]
retf
rcl dword ptr [eax], cl
mov cl, 9Ch
mov ch, 0DFh
push cs
insb
mov esi, 0D9C65E4Dh
imul ebp, [ecx], 66h
pushf
sal dword ptr [ebp-64h], cl
sub eax, 0AC433D64h
out 8Ch, eax
pop ss
sbb [eax], ebx
aas
xchg cl, [ebx+ebx*4+14B31Eh]
jecxz short near ptr loc_58+1
xor al, 0C6h
inc edx
db 36h
pusha
stosb
test [ebx], ebx
sub al, 0D3h ; 'L'
pop eax
stosbloc_58: ; CODE XREF: seg000:0000004A
test [esi], eax
inc ebp
das
db 64h
pop ecx
das
hlt
pop edx
out 0B0h, al
lodsb
push ebx
cdq
out dx, al
sub al, 0Ah
sti
outsd
add dword ptr [edx], 96FCBE4Bh
and eax, 0E537EE4Fh
inc esp
stosd
cdq
push ecx
in al, 0CBh
mov ds:0D114C45Ch, al