Function at 0x48e64a
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 0x48e679
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x48e683
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048bcb2
test eax, eax
pop ecx
je 0x48e69e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004792eb
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047c3ae
test eax, eax
pop ecx
je 0x48e6b9
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004792eb
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48e6d6
test ecx, 0x74000
jne 0x48e6d2
cmp dword [ebp - 0x24], eax
je 0x48e6d6
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48e730
dec eax
je 0x48e71a
dec eax
je 0x48e715
call fcn.004801a6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480193
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004793e7
add esp, 0x14
jmp 0x48ece2
mov dword [ebp - 8], edx
jmp 0x48e733
test cl, 8
je 0x48e727
test ecx, 0x70000
jne 0x48e715
mov dword [ebp - 8], 0x40000000
jmp 0x48e733
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48e774
sub eax, ecx
je 0x48e76b
sub eax, ecx
je 0x48e762
sub eax, ecx
je 0x48e759
sub eax, 0x40
jne 0x48e6ef
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48e777
mov dword [ebp - 0x10], 3
jmp 0x48e777
mov dword [ebp - 0x10], 2
jmp 0x48e777
mov dword [ebp - 0x10], 1
jmp 0x48e777
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 0x48e7ca
je 0x48e7c1
cmp eax, ebx
je 0x48e7c1
cmp eax, edi
je 0x48e7b8
cmp eax, 0x200
je 0x48e83d
cmp eax, 0x300
jne 0x48e6ef
mov dword [ebp - 0x14], 2
jmp 0x48e7e7
mov dword [ebp - 0x14], 4
jmp 0x48e7e7
mov dword [ebp - 0x14], 3
jmp 0x48e7e7
cmp eax, 0x500
je 0x48e7e0
cmp eax, 0x600
je 0x48e83d
cmp eax, edx
jne 0x48e6ef
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48e80b
mov ecx, dword [0x4da360]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48e80b
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48e827
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48e827
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48e830
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48e846
or dword [ebp - 0xc], 0x8000000
jmp 0x48e851
mov dword [ebp - 0x14], 5
jmp 0x48e7e7
test al, 0x10
je 0x48e851
or dword [ebp - 0xc], 0x10000000
call fcn.0047cfa7
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48e877
call fcn.004801a6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480193
mov dword [eax], 0x18
jmp 0x48e905
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 0x48e911
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48e8dd
test byte [ebp + 0x10], 1
je 0x48e8dd
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 0x48e911
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004801b9
pop ecx
call fcn.00480193
mov eax, dword [eax]
jmp 0x48ed9e
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48e962
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004801b9
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48e905
call fcn.00480193
mov dword [eax], 0xd
jmp 0x48e905
cmp eax, 2
jne 0x48e96d
or byte [ebp - 1], 0x40
jmp 0x48e976
cmp eax, 3
jne 0x48e976
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047cd76
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4db700]
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 + 0x4db700]
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 0x48ea4b
test cl, 0x80
je 0x48eb1b
test byte [ebp + 0x10], 2
je 0x48ea4b
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00483445
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48ea0a
call fcn.004801a6
cmp dword [eax], 0x83
je 0x48ea4b
push dword [esi]
call fcn.004829cb
jmp 0x48e904
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0048464e
add esp, 0xc
test eax, eax
jne 0x48ea3b
cmp byte [ebp - 4], 0x1a
jne 0x48ea3b
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047c9e8
add esp, 0xc
cmp eax, edi
je 0x48e9fe
push ebx
push ebx
push dword [esi]
call fcn.00483445
add esp, 0xc
cmp eax, edi
je 0x48e9fe
test byte [ebp - 1], 0x80
je 0x48eb1b
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48ea73
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48ea70
or dword [ebp + 0x10], edi
jmp 0x48ea73
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48eac0
cmp eax, 0x10000
je 0x48eaac
cmp eax, 0x14000
je 0x48eaac
cmp eax, 0x20000
je 0x48eaba
cmp eax, 0x24000
je 0x48eaba
cmp eax, 0x40000
je 0x48eaa6
cmp eax, 0x44000
jne 0x48eac3
mov byte [ebp - 2], 1
jmp 0x48eac3
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48eac3
mov byte [ebp - 2], 2
jmp 0x48eac3
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48eb1b
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48eb1b
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48ec75
cmp eax, 0x80000000
je 0x48ec3c
cmp eax, ecx
jne 0x48eb1b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48eb1b
cmp eax, 2
jbe 0x48ed1d
cmp eax, 4
jbe 0x48ec0e
cmp eax, 5
je 0x48ed1d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
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 + 0x4db700]
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 0x48eb8d
test byte [ebp + 0x10], 8
je 0x48eb8d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
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 0x48ed9c
test byte [ebp + 0x10], 1
je 0x48ed9c
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 0x48ed85
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004801b9
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047cdf3
pop ecx
jmp 0x48e904
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048bce6
add esp, 0x10
or eax, edx
je 0x48ed1d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048bce6
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48e9fe
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048464e
add esp, 0xc
cmp eax, 0xffffffff
je 0x48e9fe
cmp eax, 2
je 0x48ecc1
cmp eax, 3
jne 0x48ed0f
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48ecc1
mov byte [ebp - 2], 1
jmp 0x48eb1b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48eb1b
cmp eax, 2
jbe 0x48ed1d
cmp eax, 4
ja 0x48eb12
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048bce6
add esp, 0x10
or eax, edx
je 0x48ed1d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048bce6
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48eb1b
jmp 0x48e9fe
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48ece9
push dword [esi]
call fcn.004829cb
pop ecx
call fcn.00480193
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48ed9e
cmp eax, 0xfeff
jne 0x48ed0f
push ebx
push 2
push dword [esi]
call fcn.00483445
add esp, 0xc
cmp eax, 0xffffffff
je 0x48e9fe
mov byte [ebp - 2], 2
jmp 0x48eb1b
push ebx
push ebx
push dword [esi]
call fcn.00483445
add esp, 0xc
jmp 0x48ecb3
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48ed3d
dec eax
jne 0x48eb1b
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48ed4b
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.0048bb1a
add esp, 0xc
cmp eax, 0xffffffff
je 0x48ed71
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48ed4b
jmp 0x48eb1b
push dword [esi]
call fcn.004829cb
pop ecx
call fcn.00480193
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48ed9e
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret