Function at 0x4586fb
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 0x45872a
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x458734
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0045b125
test eax, eax
pop ecx
je 0x45874f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043df22
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00445e4c
test eax, eax
pop ecx
je 0x45876a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043df22
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x458787
test ecx, 0x74000
jne 0x458783
cmp dword [ebp - 0x24], eax
je 0x458787
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4587e1
dec eax
je 0x4587cb
dec eax
je 0x4587c6
call fcn.0043ce27
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043ce14
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043e01e
add esp, 0x14
jmp 0x458d94
mov dword [ebp - 8], edx
jmp 0x4587e4
test cl, 8
je 0x4587d8
test ecx, 0x70000
jne 0x4587c6
mov dword [ebp - 8], 0x40000000
jmp 0x4587e4
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x458825
sub eax, ecx
je 0x45881c
sub eax, ecx
je 0x458813
sub eax, ecx
je 0x45880a
sub eax, 0x40
jne 0x4587a0
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x458828
mov dword [ebp - 0x10], 3
jmp 0x458828
mov dword [ebp - 0x10], 2
jmp 0x458828
mov dword [ebp - 0x10], 1
jmp 0x458828
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x45887b
je 0x458872
cmp eax, ebx
je 0x458872
cmp eax, edi
je 0x458869
cmp eax, 0x200
je 0x4588ee
cmp eax, 0x300
jne 0x4587a0
mov dword [ebp - 0x14], 2
jmp 0x458898
mov dword [ebp - 0x14], 4
jmp 0x458898
mov dword [ebp - 0x14], 3
jmp 0x458898
cmp eax, 0x500
je 0x458891
cmp eax, 0x600
je 0x4588ee
cmp eax, edx
jne 0x4587a0
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4588bc
mov ecx, dword [0x510bf4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4588bc
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4588d8
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4588d8
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4588e1
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4588f7
or dword [ebp - 0xc], 0x8000000
jmp 0x458902
mov dword [ebp - 0x14], 5
jmp 0x458898
test al, 0x10
je 0x458902
or dword [ebp - 0xc], 0x10000000
call fcn.00456a50
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x458928
call fcn.0043ce27
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043ce14
mov dword [eax], 0x18
jmp 0x4589b6
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 0x4589c2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x45898e
test byte [ebp + 0x10], 1
je 0x45898e
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 0x4589c2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5121e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043ce3a
pop ecx
call fcn.0043ce14
mov eax, dword [eax]
jmp 0x458e50
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x458a13
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5121e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0043ce3a
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4589b6
call fcn.0043ce14
mov dword [eax], 0xd
jmp 0x4589b6
cmp eax, 2
jne 0x458a1e
or byte [ebp - 1], 0x40
jmp 0x458a27
cmp eax, 3
jne 0x458a27
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0045681f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5121e0]
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 + 0x5121e0]
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 0x458afd
test cl, 0x80
je 0x458bcd
test byte [ebp + 0x10], 2
je 0x458afd
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0044936b
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x458abb
call fcn.0043ce27
cmp dword [eax], 0x83
je 0x458afd
push dword [esi]
call fcn.00447db7
jmp 0x4589b5
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0044826b
add esp, 0xc
test eax, eax
jne 0x458aed
cmp word [ebp - 0x2c], 0x1a
jne 0x458aed
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045aeb5
add esp, 0xc
cmp eax, edi
je 0x458aaf
push ebx
push ebx
push dword [esi]
call fcn.0044936b
add esp, 0xc
cmp eax, edi
je 0x458aaf
test byte [ebp - 1], 0x80
je 0x458bcd
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x458b25
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x458b22
or dword [ebp + 0x10], edi
jmp 0x458b25
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x458b72
cmp eax, 0x10000
je 0x458b5e
cmp eax, 0x14000
je 0x458b5e
cmp eax, 0x20000
je 0x458b6c
cmp eax, 0x24000
je 0x458b6c
cmp eax, 0x40000
je 0x458b58
cmp eax, 0x44000
jne 0x458b75
mov byte [ebp - 2], 1
jmp 0x458b75
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x458b75
mov byte [ebp - 2], 2
jmp 0x458b75
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x458bcd
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x458bcd
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x458d27
cmp eax, 0x80000000
je 0x458cee
cmp eax, ecx
jne 0x458bcd
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x458bcd
cmp eax, 2
jbe 0x458dcf
cmp eax, 4
jbe 0x458cc0
cmp eax, 5
je 0x458dcf
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121e0]
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 + 0x5121e0]
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 0x458c3f
test byte [ebp + 0x10], 8
je 0x458c3f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121e0]
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 0x458e4e
test byte [ebp + 0x10], 1
je 0x458e4e
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 0x458e37
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043ce3a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0045689c
pop ecx
jmp 0x4589b5
push 2
push ebx
push ebx
push dword [esi]
call fcn.00456d14
add esp, 0x10
or eax, edx
je 0x458dcf
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00456d14
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x458aaf
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0044826b
add esp, 0xc
cmp eax, 0xffffffff
je 0x458aaf
cmp eax, 2
je 0x458d73
cmp eax, 3
jne 0x458dc1
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x458d73
mov byte [ebp - 2], 1
jmp 0x458bcd
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x458bcd
cmp eax, 2
jbe 0x458dcf
cmp eax, 4
ja 0x458bc4
push 2
push ebx
push ebx
push dword [esi]
call fcn.00456d14
add esp, 0x10
or eax, edx
je 0x458dcf
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00456d14
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x458bcd
jmp 0x458aaf
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x458d9b
push dword [esi]
call fcn.00447db7
pop ecx
call fcn.0043ce14
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x458e50
cmp eax, 0xfeff
jne 0x458dc1
push ebx
push 2
push dword [esi]
call fcn.0044936b
add esp, 0xc
cmp eax, 0xffffffff
je 0x458aaf
mov byte [ebp - 2], 2
jmp 0x458bcd
push ebx
push ebx
push dword [esi]
call fcn.0044936b
add esp, 0xc
jmp 0x458d65
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x458def
dec eax
jne 0x458bcd
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x458dfd
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.0044904f
add esp, 0xc
cmp eax, 0xffffffff
je 0x458e23
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x458dfd
jmp 0x458bcd
push dword [esi]
call fcn.00447db7
pop ecx
call fcn.0043ce14
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x458e50
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret