Function at 0x458842
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 0x458871
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x45887b
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00459bfd
test eax, eax
pop ecx
je 0x458896
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043cb45
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00444f68
test eax, eax
pop ecx
je 0x4588b1
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043cb45
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4588ce
test ecx, 0x74000
jne 0x4588ca
cmp dword [ebp - 0x24], eax
je 0x4588ce
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x458928
dec eax
je 0x458912
dec eax
je 0x45890d
call fcn.00444e8e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00444e7b
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043cc41
add esp, 0x14
jmp 0x458eda
mov dword [ebp - 8], edx
jmp 0x45892b
test cl, 8
je 0x45891f
test ecx, 0x70000
jne 0x45890d
mov dword [ebp - 8], 0x40000000
jmp 0x45892b
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x45896c
sub eax, ecx
je 0x458963
sub eax, ecx
je 0x45895a
sub eax, ecx
je 0x458951
sub eax, 0x40
jne 0x4588e7
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x45896f
mov dword [ebp - 0x10], 3
jmp 0x45896f
mov dword [ebp - 0x10], 2
jmp 0x45896f
mov dword [ebp - 0x10], 1
jmp 0x45896f
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 0x4589c2
je 0x4589b9
cmp eax, ebx
je 0x4589b9
cmp eax, edi
je 0x4589b0
cmp eax, 0x200
je 0x458a35
cmp eax, 0x300
jne 0x4588e7
mov dword [ebp - 0x14], 2
jmp 0x4589df
mov dword [ebp - 0x14], 4
jmp 0x4589df
mov dword [ebp - 0x14], 3
jmp 0x4589df
cmp eax, 0x500
je 0x4589d8
cmp eax, 0x600
je 0x458a35
cmp eax, edx
jne 0x4588e7
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x458a03
mov ecx, dword [0x58ebd4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x458a03
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x458a1f
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x458a1f
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x458a28
or dword [ebp - 0xc], edi
test al, 0x20
je 0x458a3e
or dword [ebp - 0xc], 0x8000000
jmp 0x458a49
mov dword [ebp - 0x14], 5
jmp 0x4589df
test al, 0x10
je 0x458a49
or dword [ebp - 0xc], 0x10000000
call fcn.0045662b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x458a6f
call fcn.00444e8e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00444e7b
mov dword [eax], 0x18
jmp 0x458afd
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 0x458b09
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x458ad5
test byte [ebp + 0x10], 1
je 0x458ad5
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 0x458b09
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x592cc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00444ea1
pop ecx
call fcn.00444e7b
mov eax, dword [eax]
jmp 0x458f96
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x458b5a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x592cc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00444ea1
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x458afd
call fcn.00444e7b
mov dword [eax], 0xd
jmp 0x458afd
cmp eax, 2
jne 0x458b65
or byte [ebp - 1], 0x40
jmp 0x458b6e
cmp eax, 3
jne 0x458b6e
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004563fa
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x592cc0]
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 + 0x592cc0]
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 0x458c43
test cl, 0x80
je 0x458d13
test byte [ebp + 0x10], 2
je 0x458c43
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004529b7
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x458c02
call fcn.00444e8e
cmp dword [eax], 0x83
je 0x458c43
push dword [esi]
call fcn.0044e25c
jmp 0x458afc
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00453e11
add esp, 0xc
test eax, eax
jne 0x458c33
cmp byte [ebp - 4], 0x1a
jne 0x458c33
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045998d
add esp, 0xc
cmp eax, edi
je 0x458bf6
push ebx
push ebx
push dword [esi]
call fcn.004529b7
add esp, 0xc
cmp eax, edi
je 0x458bf6
test byte [ebp - 1], 0x80
je 0x458d13
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x458c6b
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x458c68
or dword [ebp + 0x10], edi
jmp 0x458c6b
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x458cb8
cmp eax, 0x10000
je 0x458ca4
cmp eax, 0x14000
je 0x458ca4
cmp eax, 0x20000
je 0x458cb2
cmp eax, 0x24000
je 0x458cb2
cmp eax, 0x40000
je 0x458c9e
cmp eax, 0x44000
jne 0x458cbb
mov byte [ebp - 2], 1
jmp 0x458cbb
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x458cbb
mov byte [ebp - 2], 2
jmp 0x458cbb
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x458d13
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x458d13
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x458e6d
cmp eax, 0x80000000
je 0x458e34
cmp eax, ecx
jne 0x458d13
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x458d13
cmp eax, 2
jbe 0x458f15
cmp eax, 4
jbe 0x458e06
cmp eax, 5
je 0x458f15
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x592cc0]
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 + 0x592cc0]
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 0x458d85
test byte [ebp + 0x10], 8
je 0x458d85
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x592cc0]
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 0x458f94
test byte [ebp + 0x10], 1
je 0x458f94
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 0x458f7d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00444ea1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x592cc0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00456477
pop ecx
jmp 0x458afc
push 2
push ebx
push ebx
push dword [esi]
call fcn.00455140
add esp, 0x10
or eax, edx
je 0x458f15
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00455140
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x458bf6
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00453e11
add esp, 0xc
cmp eax, 0xffffffff
je 0x458bf6
cmp eax, 2
je 0x458eb9
cmp eax, 3
jne 0x458f07
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x458eb9
mov byte [ebp - 2], 1
jmp 0x458d13
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x458d13
cmp eax, 2
jbe 0x458f15
cmp eax, 4
ja 0x458d0a
push 2
push ebx
push ebx
push dword [esi]
call fcn.00455140
add esp, 0x10
or eax, edx
je 0x458f15
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00455140
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x458d13
jmp 0x458bf6
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x458ee1
push dword [esi]
call fcn.0044e25c
pop ecx
call fcn.00444e7b
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x458f96
cmp eax, 0xfeff
jne 0x458f07
push ebx
push 2
push dword [esi]
call fcn.004529b7
add esp, 0xc
cmp eax, 0xffffffff
je 0x458bf6
mov byte [ebp - 2], 2
jmp 0x458d13
push ebx
push ebx
push dword [esi]
call fcn.004529b7
add esp, 0xc
jmp 0x458eab
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x458f35
dec eax
jne 0x458d13
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x458f43
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.0044e9dc
add esp, 0xc
cmp eax, 0xffffffff
je 0x458f69
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x458f43
jmp 0x458d13
push dword [esi]
call fcn.0044e25c
pop ecx
call fcn.00444e7b
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x458f96
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x592cc0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret