Function at 0x454f05
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 0x454f34
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x454f3e
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004565a9
test eax, eax
pop ecx
je 0x454f59
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043b8c5
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0043a02c
test eax, eax
pop ecx
je 0x454f74
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043b8c5
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x454f91
test ecx, 0x74000
jne 0x454f8d
cmp dword [ebp - 0x24], eax
je 0x454f91
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x454feb
dec eax
je 0x454fd5
dec eax
je 0x454fd0
call fcn.0043f857
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043f844
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043b9c1
add esp, 0x14
jmp 0x45559d
mov dword [ebp - 8], edx
jmp 0x454fee
test cl, 8
je 0x454fe2
test ecx, 0x70000
jne 0x454fd0
mov dword [ebp - 8], 0x40000000
jmp 0x454fee
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x45502f
sub eax, ecx
je 0x455026
sub eax, ecx
je 0x45501d
sub eax, ecx
je 0x455014
sub eax, 0x40
jne 0x454faa
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x455032
mov dword [ebp - 0x10], 3
jmp 0x455032
mov dword [ebp - 0x10], 2
jmp 0x455032
mov dword [ebp - 0x10], 1
jmp 0x455032
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 0x455085
je 0x45507c
cmp eax, ebx
je 0x45507c
cmp eax, edi
je 0x455073
cmp eax, 0x200
je 0x4550f8
cmp eax, 0x300
jne 0x454faa
mov dword [ebp - 0x14], 2
jmp 0x4550a2
mov dword [ebp - 0x14], 4
jmp 0x4550a2
mov dword [ebp - 0x14], 3
jmp 0x4550a2
cmp eax, 0x500
je 0x45509b
cmp eax, 0x600
je 0x4550f8
cmp eax, edx
jne 0x454faa
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4550c6
mov ecx, dword [0x477a68]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4550c6
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4550e2
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4550e2
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4550eb
or dword [ebp - 0xc], edi
test al, 0x20
je 0x455101
or dword [ebp - 0xc], 0x8000000
jmp 0x45510c
mov dword [ebp - 0x14], 5
jmp 0x4550a2
test al, 0x10
je 0x45510c
or dword [ebp - 0xc], 0x10000000
call fcn.00440b5c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x455132
call fcn.0043f857
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043f844
mov dword [eax], 0x18
jmp 0x4551c0
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 0x4551cc
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x455198
test byte [ebp + 0x10], 1
je 0x455198
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 0x4551cc
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x479920]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043f86a
pop ecx
call fcn.0043f844
mov eax, dword [eax]
jmp 0x455659
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x45521d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x479920]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0043f86a
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4551c0
call fcn.0043f844
mov dword [eax], 0xd
jmp 0x4551c0
cmp eax, 2
jne 0x455228
or byte [ebp - 1], 0x40
jmp 0x455231
cmp eax, 3
jne 0x455231
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0044092b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x479920]
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 + 0x479920]
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 0x455306
test cl, 0x80
je 0x4553d6
test byte [ebp + 0x10], 2
je 0x455306
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0044ab84
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4552c5
call fcn.0043f857
cmp dword [eax], 0x83
je 0x455306
push dword [esi]
call fcn.0044adba
jmp 0x4551bf
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0044dc72
add esp, 0xc
test eax, eax
jne 0x4552f6
cmp byte [ebp - 4], 0x1a
jne 0x4552f6
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00456339
add esp, 0xc
cmp eax, edi
je 0x4552b9
push ebx
push ebx
push dword [esi]
call fcn.0044ab84
add esp, 0xc
cmp eax, edi
je 0x4552b9
test byte [ebp - 1], 0x80
je 0x4553d6
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x45532e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x45532b
or dword [ebp + 0x10], edi
jmp 0x45532e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x45537b
cmp eax, 0x10000
je 0x455367
cmp eax, 0x14000
je 0x455367
cmp eax, 0x20000
je 0x455375
cmp eax, 0x24000
je 0x455375
cmp eax, 0x40000
je 0x455361
cmp eax, 0x44000
jne 0x45537e
mov byte [ebp - 2], 1
jmp 0x45537e
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x45537e
mov byte [ebp - 2], 2
jmp 0x45537e
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4553d6
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4553d6
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x455530
cmp eax, 0x80000000
je 0x4554f7
cmp eax, ecx
jne 0x4553d6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4553d6
cmp eax, 2
jbe 0x4555d8
cmp eax, 4
jbe 0x4554c9
cmp eax, 5
je 0x4555d8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x479920]
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 + 0x479920]
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 0x455448
test byte [ebp + 0x10], 8
je 0x455448
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x479920]
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 0x455657
test byte [ebp + 0x10], 1
je 0x455657
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 0x455640
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043f86a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x479920]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004409a8
pop ecx
jmp 0x4551bf
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044e533
add esp, 0x10
or eax, edx
je 0x4555d8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044e533
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4552b9
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0044dc72
add esp, 0xc
cmp eax, 0xffffffff
je 0x4552b9
cmp eax, 2
je 0x45557c
cmp eax, 3
jne 0x4555ca
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x45557c
mov byte [ebp - 2], 1
jmp 0x4553d6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4553d6
cmp eax, 2
jbe 0x4555d8
cmp eax, 4
ja 0x4553cd
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044e533
add esp, 0x10
or eax, edx
je 0x4555d8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044e533
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4553d6
jmp 0x4552b9
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4555a4
push dword [esi]
call fcn.0044adba
pop ecx
call fcn.0043f844
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x455659
cmp eax, 0xfeff
jne 0x4555ca
push ebx
push 2
push dword [esi]
call fcn.0044ab84
add esp, 0xc
cmp eax, 0xffffffff
je 0x4552b9
mov byte [ebp - 2], 2
jmp 0x4553d6
push ebx
push ebx
push dword [esi]
call fcn.0044ab84
add esp, 0xc
jmp 0x45556e
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4555f8
dec eax
jne 0x4553d6
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x455606
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.0044a12f
add esp, 0xc
cmp eax, 0xffffffff
je 0x45562c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x455606
jmp 0x4553d6
push dword [esi]
call fcn.0044adba
pop ecx
call fcn.0043f844
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x455659
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x479920]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret