Function at 0x429feb
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x42a01a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x42a024
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0042bee1
test eax, eax
pop ecx
je 0x42a03f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00417ba1
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0041ef1a
test eax, eax
pop ecx
je 0x42a05a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00417ba1
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x42a077
test ecx, 0x74000
jne 0x42a073
cmp dword [ebp - 0x24], eax
je 0x42a077
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x42a0d1
dec eax
je 0x42a0bb
dec eax
je 0x42a0b6
call fcn.00419c54
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00419c41
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00417c9d
add esp, 0x14
jmp 0x42a683
mov dword [ebp - 8], edx
jmp 0x42a0d4
test cl, 8
je 0x42a0c8
test ecx, 0x70000
jne 0x42a0b6
mov dword [ebp - 8], 0x40000000
jmp 0x42a0d4
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x42a115
sub eax, ecx
je 0x42a10c
sub eax, ecx
je 0x42a103
sub eax, ecx
je 0x42a0fa
sub eax, 0x40
jne 0x42a090
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x42a118
mov dword [ebp - 0x10], 3
jmp 0x42a118
mov dword [ebp - 0x10], 2
jmp 0x42a118
mov dword [ebp - 0x10], 1
jmp 0x42a118
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x42a16b
je 0x42a162
cmp eax, ebx
je 0x42a162
cmp eax, edi
je 0x42a159
cmp eax, 0x200
je 0x42a1de
cmp eax, 0x300
jne 0x42a090
mov dword [ebp - 0x14], 2
jmp 0x42a188
mov dword [ebp - 0x14], 4
jmp 0x42a188
mov dword [ebp - 0x14], 3
jmp 0x42a188
cmp eax, 0x500
je 0x42a181
cmp eax, 0x600
je 0x42a1de
cmp eax, edx
jne 0x42a090
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x42a1ac
mov ecx, dword [0x442fe8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x42a1ac
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x42a1c8
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x42a1c8
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x42a1d1
or dword [ebp - 0xc], edi
test al, 0x20
je 0x42a1e7
or dword [ebp - 0xc], 0x8000000
jmp 0x42a1f2
mov dword [ebp - 0x14], 5
jmp 0x42a188
test al, 0x10
je 0x42a1f2
or dword [ebp - 0xc], 0x10000000
call fcn.00428e08
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x42a218
call fcn.00419c54
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00419c41
mov dword [eax], 0x18
jmp 0x42a2a6
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x42a2b2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x42a27e
test byte [ebp + 0x10], 1
je 0x42a27e
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x42a2b2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x443de0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00419c67
pop ecx
call fcn.00419c41
mov eax, dword [eax]
jmp 0x42a73f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x42a303
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x443de0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00419c67
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x42a2a6
call fcn.00419c41
mov dword [eax], 0xd
jmp 0x42a2a6
cmp eax, 2
jne 0x42a30e
or byte [ebp - 1], 0x40
jmp 0x42a317
cmp eax, 3
jne 0x42a317
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00428bd7
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x443de0]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x443de0]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x42a3ec
test cl, 0x80
je 0x42a4bc
test byte [ebp + 0x10], 2
je 0x42a3ec
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00422949
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x42a3ab
call fcn.00419c54
cmp dword [eax], 0x83
je 0x42a3ec
push dword [esi]
call fcn.00423422
jmp 0x42a2a5
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00427fd4
add esp, 0xc
test eax, eax
jne 0x42a3dc
cmp byte [ebp - 4], 0x1a
jne 0x42a3dc
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0042bc71
add esp, 0xc
cmp eax, edi
je 0x42a39f
push ebx
push ebx
push dword [esi]
call fcn.00422949
add esp, 0xc
cmp eax, edi
je 0x42a39f
test byte [ebp - 1], 0x80
je 0x42a4bc
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x42a414
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x42a411
or dword [ebp + 0x10], edi
jmp 0x42a414
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x42a461
cmp eax, 0x10000
je 0x42a44d
cmp eax, 0x14000
je 0x42a44d
cmp eax, 0x20000
je 0x42a45b
cmp eax, 0x24000
je 0x42a45b
cmp eax, 0x40000
je 0x42a447
cmp eax, 0x44000
jne 0x42a464
mov byte [ebp - 2], 1
jmp 0x42a464
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x42a464
mov byte [ebp - 2], 2
jmp 0x42a464
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x42a4bc
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x42a4bc
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x42a616
cmp eax, 0x80000000
je 0x42a5dd
cmp eax, ecx
jne 0x42a4bc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42a4bc
cmp eax, 2
jbe 0x42a6be
cmp eax, 4
jbe 0x42a5af
cmp eax, 5
je 0x42a6be
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x443de0]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x443de0]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x42a52e
test byte [ebp + 0x10], 8
je 0x42a52e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x443de0]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x42a73d
test byte [ebp + 0x10], 1
je 0x42a73d
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x42a726
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00419c67
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x443de0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00428c54
pop ecx
jmp 0x42a2a5
push 2
push ebx
push ebx
push dword [esi]
call fcn.00428692
add esp, 0x10
or eax, edx
je 0x42a6be
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00428692
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x42a39f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00427fd4
add esp, 0xc
cmp eax, 0xffffffff
je 0x42a39f
cmp eax, 2
je 0x42a662
cmp eax, 3
jne 0x42a6b0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x42a662
mov byte [ebp - 2], 1
jmp 0x42a4bc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42a4bc
cmp eax, 2
jbe 0x42a6be
cmp eax, 4
ja 0x42a4b3
push 2
push ebx
push ebx
push dword [esi]
call fcn.00428692
add esp, 0x10
or eax, edx
je 0x42a6be
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00428692
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x42a4bc
jmp 0x42a39f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x42a68a
push dword [esi]
call fcn.00423422
pop ecx
call fcn.00419c41
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x42a73f
cmp eax, 0xfeff
jne 0x42a6b0
push ebx
push 2
push dword [esi]
call fcn.00422949
add esp, 0xc
cmp eax, 0xffffffff
je 0x42a39f
mov byte [ebp - 2], 2
jmp 0x42a4bc
push ebx
push ebx
push dword [esi]
call fcn.00422949
add esp, 0xc
jmp 0x42a654
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x42a6de
dec eax
jne 0x42a4bc
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x42a6ec
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.004231f5
add esp, 0xc
cmp eax, 0xffffffff
je 0x42a712
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x42a6ec
jmp 0x42a4bc
push dword [esi]
call fcn.00423422
pop ecx
call fcn.00419c41
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x42a73f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x443de0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret