Function at 0x48ea07
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x48ea36
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x48ea40
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048b572
test eax, eax
pop ecx
je 0x48ea5b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00478bab
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047bc6e
test eax, eax
pop ecx
je 0x48ea76
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00478bab
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48ea93
test ecx, 0x74000
jne 0x48ea8f
cmp dword [ebp - 0x24], eax
je 0x48ea93
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48eaed
dec eax
je 0x48ead7
dec eax
je 0x48ead2
call fcn.0047fa66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047fa53
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00478ca7
add esp, 0x14
jmp 0x48f0a0
mov dword [ebp - 8], edx
jmp 0x48eaf0
test cl, 8
je 0x48eae4
test ecx, 0x70000
jne 0x48ead2
mov dword [ebp - 8], 0x40000000
jmp 0x48eaf0
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48eb31
sub eax, ecx
je 0x48eb28
sub eax, ecx
je 0x48eb1f
sub eax, ecx
je 0x48eb16
sub eax, 0x40
jne 0x48eaac
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48eb34
mov dword [ebp - 0x10], 3
jmp 0x48eb34
mov dword [ebp - 0x10], 2
jmp 0x48eb34
mov dword [ebp - 0x10], 1
jmp 0x48eb34
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 0x48eb87
je 0x48eb7e
cmp eax, ebx
je 0x48eb7e
cmp eax, edi
je 0x48eb75
cmp eax, 0x200
je 0x48ebfa
cmp eax, 0x300
jne 0x48eaac
mov dword [ebp - 0x14], 2
jmp 0x48eba4
mov dword [ebp - 0x14], 4
jmp 0x48eba4
mov dword [ebp - 0x14], 3
jmp 0x48eba4
cmp eax, 0x500
je 0x48eb9d
cmp eax, 0x600
je 0x48ebfa
cmp eax, edx
jne 0x48eaac
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48ebc8
mov ecx, dword [0x4d9360]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48ebc8
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48ebe4
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48ebe4
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48ebed
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48ec03
or dword [ebp - 0xc], 0x8000000
jmp 0x48ec0e
mov dword [ebp - 0x14], 5
jmp 0x48eba4
test al, 0x10
je 0x48ec0e
or dword [ebp - 0xc], 0x10000000
call fcn.0047c867
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48ec34
call fcn.0047fa66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047fa53
mov dword [eax], 0x18
jmp 0x48ecc2
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x48ecce
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48ec9a
test byte [ebp + 0x10], 1
je 0x48ec9a
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x48ecce
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4da6e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047fa79
pop ecx
call fcn.0047fa53
mov eax, dword [eax]
jmp 0x48f15c
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48ed1f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4da6e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047fa79
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48ecc2
call fcn.0047fa53
mov dword [eax], 0xd
jmp 0x48ecc2
cmp eax, 2
jne 0x48ed2a
or byte [ebp - 1], 0x40
jmp 0x48ed33
cmp eax, 3
jne 0x48ed33
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047c636
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4da6e0]
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 + 0x4da6e0]
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 0x48ee09
test cl, 0x80
je 0x48eed9
test byte [ebp + 0x10], 2
je 0x48ee09
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00482cb9
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48edc7
call fcn.0047fa66
cmp dword [eax], 0x83
je 0x48ee09
push dword [esi]
call fcn.0048223f
jmp 0x48ecc1
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00483ec2
add esp, 0xc
test eax, eax
jne 0x48edf9
cmp word [ebp - 0x2c], 0x1a
jne 0x48edf9
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047c2a8
add esp, 0xc
cmp eax, edi
je 0x48edbb
push ebx
push ebx
push dword [esi]
call fcn.00482cb9
add esp, 0xc
cmp eax, edi
je 0x48edbb
test byte [ebp - 1], 0x80
je 0x48eed9
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48ee31
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48ee2e
or dword [ebp + 0x10], edi
jmp 0x48ee31
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48ee7e
cmp eax, 0x10000
je 0x48ee6a
cmp eax, 0x14000
je 0x48ee6a
cmp eax, 0x20000
je 0x48ee78
cmp eax, 0x24000
je 0x48ee78
cmp eax, 0x40000
je 0x48ee64
cmp eax, 0x44000
jne 0x48ee81
mov byte [ebp - 2], 1
jmp 0x48ee81
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48ee81
mov byte [ebp - 2], 2
jmp 0x48ee81
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48eed9
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48eed9
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48f033
cmp eax, 0x80000000
je 0x48effa
cmp eax, ecx
jne 0x48eed9
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48eed9
cmp eax, 2
jbe 0x48f0db
cmp eax, 4
jbe 0x48efcc
cmp eax, 5
je 0x48f0db
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da6e0]
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 + 0x4da6e0]
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 0x48ef4b
test byte [ebp + 0x10], 8
je 0x48ef4b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da6e0]
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 0x48f15a
test byte [ebp + 0x10], 1
je 0x48f15a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x48f143
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047fa79
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da6e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047c6b3
pop ecx
jmp 0x48ecc1
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048b5a6
add esp, 0x10
or eax, edx
je 0x48f0db
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048b5a6
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48edbb
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00483ec2
add esp, 0xc
cmp eax, 0xffffffff
je 0x48edbb
cmp eax, 2
je 0x48f07f
cmp eax, 3
jne 0x48f0cd
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48f07f
mov byte [ebp - 2], 1
jmp 0x48eed9
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48eed9
cmp eax, 2
jbe 0x48f0db
cmp eax, 4
ja 0x48eed0
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048b5a6
add esp, 0x10
or eax, edx
je 0x48f0db
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048b5a6
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48eed9
jmp 0x48edbb
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48f0a7
push dword [esi]
call fcn.0048223f
pop ecx
call fcn.0047fa53
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48f15c
cmp eax, 0xfeff
jne 0x48f0cd
push ebx
push 2
push dword [esi]
call fcn.00482cb9
add esp, 0xc
cmp eax, 0xffffffff
je 0x48edbb
mov byte [ebp - 2], 2
jmp 0x48eed9
push ebx
push ebx
push dword [esi]
call fcn.00482cb9
add esp, 0xc
jmp 0x48f071
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48f0fb
dec eax
jne 0x48eed9
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48f109
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.0048b3da
add esp, 0xc
cmp eax, 0xffffffff
je 0x48f12f
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48f109
jmp 0x48eed9
push dword [esi]
call fcn.0048223f
pop ecx
call fcn.0047fa53
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48f15c
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da6e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret