Function at 0x48e884
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 0x48e8b3
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x48e8bd
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048bfe2
test eax, eax
pop ecx
je 0x48e8d8
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047861f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047c856
test eax, eax
pop ecx
je 0x48e8f3
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047861f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48e910
test ecx, 0x74000
jne 0x48e90c
cmp dword [ebp - 0x24], eax
je 0x48e910
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48e96a
dec eax
je 0x48e954
dec eax
je 0x48e94f
call fcn.0048117a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00481167
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047871b
add esp, 0x14
jmp 0x48ef1d
mov dword [ebp - 8], edx
jmp 0x48e96d
test cl, 8
je 0x48e961
test ecx, 0x70000
jne 0x48e94f
mov dword [ebp - 8], 0x40000000
jmp 0x48e96d
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48e9ae
sub eax, ecx
je 0x48e9a5
sub eax, ecx
je 0x48e99c
sub eax, ecx
je 0x48e993
sub eax, 0x40
jne 0x48e929
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48e9b1
mov dword [ebp - 0x10], 3
jmp 0x48e9b1
mov dword [ebp - 0x10], 2
jmp 0x48e9b1
mov dword [ebp - 0x10], 1
jmp 0x48e9b1
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 0x48ea04
je 0x48e9fb
cmp eax, ebx
je 0x48e9fb
cmp eax, edi
je 0x48e9f2
cmp eax, 0x200
je 0x48ea77
cmp eax, 0x300
jne 0x48e929
mov dword [ebp - 0x14], 2
jmp 0x48ea21
mov dword [ebp - 0x14], 4
jmp 0x48ea21
mov dword [ebp - 0x14], 3
jmp 0x48ea21
cmp eax, 0x500
je 0x48ea1a
cmp eax, 0x600
je 0x48ea77
cmp eax, edx
jne 0x48e929
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48ea45
mov ecx, dword [0x4da578]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48ea45
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48ea61
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48ea61
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48ea6a
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48ea80
or dword [ebp - 0xc], 0x8000000
jmp 0x48ea8b
mov dword [ebp - 0x14], 5
jmp 0x48ea21
test al, 0x10
je 0x48ea8b
or dword [ebp - 0xc], 0x10000000
call fcn.0047d44f
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48eab1
call fcn.0048117a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00481167
mov dword [eax], 0x18
jmp 0x48eb3f
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 0x48eb4b
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48eb17
test byte [ebp + 0x10], 1
je 0x48eb17
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 0x48eb4b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db9e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048118d
pop ecx
call fcn.00481167
mov eax, dword [eax]
jmp 0x48efd9
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48eb9c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db9e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0048118d
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48eb3f
call fcn.00481167
mov dword [eax], 0xd
jmp 0x48eb3f
cmp eax, 2
jne 0x48eba7
or byte [ebp - 1], 0x40
jmp 0x48ebb0
cmp eax, 3
jne 0x48ebb0
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047d21e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4db9e0]
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 + 0x4db9e0]
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 0x48ec86
test cl, 0x80
je 0x48ed56
test byte [ebp + 0x10], 2
je 0x48ec86
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00483786
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48ec44
call fcn.0048117a
cmp dword [eax], 0x83
je 0x48ec86
push dword [esi]
call fcn.00483ed4
jmp 0x48eb3e
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00482ae6
add esp, 0xc
test eax, eax
jne 0x48ec76
cmp word [ebp - 0x2c], 0x1a
jne 0x48ec76
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047ce90
add esp, 0xc
cmp eax, edi
je 0x48ec38
push ebx
push ebx
push dword [esi]
call fcn.00483786
add esp, 0xc
cmp eax, edi
je 0x48ec38
test byte [ebp - 1], 0x80
je 0x48ed56
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48ecae
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48ecab
or dword [ebp + 0x10], edi
jmp 0x48ecae
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48ecfb
cmp eax, 0x10000
je 0x48ece7
cmp eax, 0x14000
je 0x48ece7
cmp eax, 0x20000
je 0x48ecf5
cmp eax, 0x24000
je 0x48ecf5
cmp eax, 0x40000
je 0x48ece1
cmp eax, 0x44000
jne 0x48ecfe
mov byte [ebp - 2], 1
jmp 0x48ecfe
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48ecfe
mov byte [ebp - 2], 2
jmp 0x48ecfe
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48ed56
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48ed56
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48eeb0
cmp eax, 0x80000000
je 0x48ee77
cmp eax, ecx
jne 0x48ed56
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48ed56
cmp eax, 2
jbe 0x48ef58
cmp eax, 4
jbe 0x48ee49
cmp eax, 5
je 0x48ef58
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db9e0]
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 + 0x4db9e0]
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 0x48edc8
test byte [ebp + 0x10], 8
je 0x48edc8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db9e0]
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 0x48efd7
test byte [ebp + 0x10], 1
je 0x48efd7
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 0x48efc0
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048118d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db9e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047d29b
pop ecx
jmp 0x48eb3e
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c016
add esp, 0x10
or eax, edx
je 0x48ef58
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c016
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48ec38
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00482ae6
add esp, 0xc
cmp eax, 0xffffffff
je 0x48ec38
cmp eax, 2
je 0x48eefc
cmp eax, 3
jne 0x48ef4a
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48eefc
mov byte [ebp - 2], 1
jmp 0x48ed56
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48ed56
cmp eax, 2
jbe 0x48ef58
cmp eax, 4
ja 0x48ed4d
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c016
add esp, 0x10
or eax, edx
je 0x48ef58
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c016
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48ed56
jmp 0x48ec38
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48ef24
push dword [esi]
call fcn.00483ed4
pop ecx
call fcn.00481167
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48efd9
cmp eax, 0xfeff
jne 0x48ef4a
push ebx
push 2
push dword [esi]
call fcn.00483786
add esp, 0xc
cmp eax, 0xffffffff
je 0x48ec38
mov byte [ebp - 2], 2
jmp 0x48ed56
push ebx
push ebx
push dword [esi]
call fcn.00483786
add esp, 0xc
jmp 0x48eeee
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48ef78
dec eax
jne 0x48ed56
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48ef86
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.0048be06
add esp, 0xc
cmp eax, 0xffffffff
je 0x48efac
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48ef86
jmp 0x48ed56
push dword [esi]
call fcn.00483ed4
pop ecx
call fcn.00481167
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48efd9
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db9e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret