Function at 0x41892c
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 0x41895b
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x418965
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0041787a
test eax, eax
pop ecx
je 0x418980
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00406efc
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040b34a
test eax, eax
pop ecx
je 0x41899b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00406efc
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4189b8
test ecx, 0x74000
jne 0x4189b4
cmp dword [ebp - 0x24], eax
je 0x4189b8
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x418a12
dec eax
je 0x4189fc
dec eax
je 0x4189f7
call fcn.00408f63
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00408f50
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00406ff8
add esp, 0x14
jmp 0x418fc5
mov dword [ebp - 8], edx
jmp 0x418a15
test cl, 8
je 0x418a09
test ecx, 0x70000
jne 0x4189f7
mov dword [ebp - 8], 0x40000000
jmp 0x418a15
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x418a56
sub eax, ecx
je 0x418a4d
sub eax, ecx
je 0x418a44
sub eax, ecx
je 0x418a3b
sub eax, 0x40
jne 0x4189d1
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x418a59
mov dword [ebp - 0x10], 3
jmp 0x418a59
mov dword [ebp - 0x10], 2
jmp 0x418a59
mov dword [ebp - 0x10], 1
jmp 0x418a59
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 0x418aac
je 0x418aa3
cmp eax, ebx
je 0x418aa3
cmp eax, edi
je 0x418a9a
cmp eax, 0x200
je 0x418b1f
cmp eax, 0x300
jne 0x4189d1
mov dword [ebp - 0x14], 2
jmp 0x418ac9
mov dword [ebp - 0x14], 4
jmp 0x418ac9
mov dword [ebp - 0x14], 3
jmp 0x418ac9
cmp eax, 0x500
je 0x418ac2
cmp eax, 0x600
je 0x418b1f
cmp eax, edx
jne 0x4189d1
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x418aed
mov ecx, dword [0x423778]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x418aed
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x418b09
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x418b09
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x418b12
or dword [ebp - 0xc], edi
test al, 0x20
je 0x418b28
or dword [ebp - 0xc], 0x8000000
jmp 0x418b33
mov dword [ebp - 0x14], 5
jmp 0x418ac9
test al, 0x10
je 0x418b33
or dword [ebp - 0xc], 0x10000000
call fcn.004156d6
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x418b59
call fcn.00408f63
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00408f50
mov dword [eax], 0x18
jmp 0x418be7
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 0x418bf3
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x418bbf
test byte [ebp + 0x10], 1
je 0x418bbf
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 0x418bf3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x424220]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00408f76
pop ecx
call fcn.00408f50
mov eax, dword [eax]
jmp 0x419081
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x418c44
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x424220]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00408f76
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x418be7
call fcn.00408f50
mov dword [eax], 0xd
jmp 0x418be7
cmp eax, 2
jne 0x418c4f
or byte [ebp - 1], 0x40
jmp 0x418c58
cmp eax, 3
jne 0x418c58
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004154a5
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x424220]
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 + 0x424220]
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 0x418d2e
test cl, 0x80
je 0x418dfe
test byte [ebp + 0x10], 2
je 0x418d2e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0040ef85
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x418cec
call fcn.00408f63
cmp dword [eax], 0x83
je 0x418d2e
push dword [esi]
call fcn.0040f353
jmp 0x418be6
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00414de7
add esp, 0xc
test eax, eax
jne 0x418d1e
cmp word [ebp - 0x2c], 0x1a
jne 0x418d1e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0041760a
add esp, 0xc
cmp eax, edi
je 0x418ce0
push ebx
push ebx
push dword [esi]
call fcn.0040ef85
add esp, 0xc
cmp eax, edi
je 0x418ce0
test byte [ebp - 1], 0x80
je 0x418dfe
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x418d56
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x418d53
or dword [ebp + 0x10], edi
jmp 0x418d56
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x418da3
cmp eax, 0x10000
je 0x418d8f
cmp eax, 0x14000
je 0x418d8f
cmp eax, 0x20000
je 0x418d9d
cmp eax, 0x24000
je 0x418d9d
cmp eax, 0x40000
je 0x418d89
cmp eax, 0x44000
jne 0x418da6
mov byte [ebp - 2], 1
jmp 0x418da6
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x418da6
mov byte [ebp - 2], 2
jmp 0x418da6
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x418dfe
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x418dfe
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x418f58
cmp eax, 0x80000000
je 0x418f1f
cmp eax, ecx
jne 0x418dfe
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x418dfe
cmp eax, 2
jbe 0x419000
cmp eax, 4
jbe 0x418ef1
cmp eax, 5
je 0x419000
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x424220]
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 + 0x424220]
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 0x418e70
test byte [ebp + 0x10], 8
je 0x418e70
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x424220]
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 0x41907f
test byte [ebp + 0x10], 1
je 0x41907f
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 0x419068
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00408f76
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x424220]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00415522
pop ecx
jmp 0x418be6
push 2
push ebx
push ebx
push dword [esi]
call fcn.004148f2
add esp, 0x10
or eax, edx
je 0x419000
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004148f2
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x418ce0
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00414de7
add esp, 0xc
cmp eax, 0xffffffff
je 0x418ce0
cmp eax, 2
je 0x418fa4
cmp eax, 3
jne 0x418ff2
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x418fa4
mov byte [ebp - 2], 1
jmp 0x418dfe
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x418dfe
cmp eax, 2
jbe 0x419000
cmp eax, 4
ja 0x418df5
push 2
push ebx
push ebx
push dword [esi]
call fcn.004148f2
add esp, 0x10
or eax, edx
je 0x419000
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004148f2
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x418dfe
jmp 0x418ce0
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x418fcc
push dword [esi]
call fcn.0040f353
pop ecx
call fcn.00408f50
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x419081
cmp eax, 0xfeff
jne 0x418ff2
push ebx
push 2
push dword [esi]
call fcn.0040ef85
add esp, 0xc
cmp eax, 0xffffffff
je 0x418ce0
mov byte [ebp - 2], 2
jmp 0x418dfe
push ebx
push ebx
push dword [esi]
call fcn.0040ef85
add esp, 0xc
jmp 0x418f96
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x419020
dec eax
jne 0x418dfe
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x41902e
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.0040ea76
add esp, 0xc
cmp eax, 0xffffffff
je 0x419054
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x41902e
jmp 0x418dfe
push dword [esi]
call fcn.0040f353
pop ecx
call fcn.00408f50
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x419081
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x424220]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret