Function at 0x5d5056
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 0x5d5085
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x5d508f
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.005d7ef7
test eax, eax
pop ecx
je 0x5d50aa
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.005bde45
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.005c5454
test eax, eax
pop ecx
je 0x5d50c5
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.005bde45
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x5d50e2
test ecx, 0x74000
jne 0x5d50de
cmp dword [ebp - 0x24], eax
je 0x5d50e2
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x5d513c
dec eax
je 0x5d5126
dec eax
je 0x5d5121
call fcn.005bf2bc
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005bf2a9
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.005bdf41
add esp, 0x14
jmp 0x5d56ee
mov dword [ebp - 8], edx
jmp 0x5d513f
test cl, 8
je 0x5d5133
test ecx, 0x70000
jne 0x5d5121
mov dword [ebp - 8], 0x40000000
jmp 0x5d513f
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x5d5180
sub eax, ecx
je 0x5d5177
sub eax, ecx
je 0x5d516e
sub eax, ecx
je 0x5d5165
sub eax, 0x40
jne 0x5d50fb
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x5d5183
mov dword [ebp - 0x10], 3
jmp 0x5d5183
mov dword [ebp - 0x10], 2
jmp 0x5d5183
mov dword [ebp - 0x10], 1
jmp 0x5d5183
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 0x5d51d6
je 0x5d51cd
cmp eax, ebx
je 0x5d51cd
cmp eax, edi
je 0x5d51c4
cmp eax, 0x200
je 0x5d5249
cmp eax, 0x300
jne 0x5d50fb
mov dword [ebp - 0x14], 2
jmp 0x5d51f3
mov dword [ebp - 0x14], 4
jmp 0x5d51f3
mov dword [ebp - 0x14], 3
jmp 0x5d51f3
cmp eax, 0x500
je 0x5d51ec
cmp eax, 0x600
je 0x5d5249
cmp eax, edx
jne 0x5d50fb
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5d5217
mov ecx, dword [0x67306c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5d5217
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x5d5233
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x5d5233
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x5d523c
or dword [ebp - 0xc], edi
test al, 0x20
je 0x5d5252
or dword [ebp - 0xc], 0x8000000
jmp 0x5d525d
mov dword [ebp - 0x14], 5
jmp 0x5d51f3
test al, 0x10
je 0x5d525d
or dword [ebp - 0xc], 0x10000000
call fcn.005d600c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x5d5283
call fcn.005bf2bc
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005bf2a9
mov dword [eax], 0x18
jmp 0x5d5311
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 0x5d531d
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x5d52e9
test byte [ebp + 0x10], 1
je 0x5d52e9
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 0x5d531d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x674540]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.005bf2cf
pop ecx
call fcn.005bf2a9
mov eax, dword [eax]
jmp 0x5d57aa
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x5d536e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x674540]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.005bf2cf
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x5d5311
call fcn.005bf2a9
mov dword [eax], 0xd
jmp 0x5d5311
cmp eax, 2
jne 0x5d5379
or byte [ebp - 1], 0x40
jmp 0x5d5382
cmp eax, 3
jne 0x5d5382
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.005d5ddb
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x674540]
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 + 0x674540]
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 0x5d5457
test cl, 0x80
je 0x5d5527
test byte [ebp + 0x10], 2
je 0x5d5457
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.005cb478
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5d5416
call fcn.005bf2bc
cmp dword [eax], 0x83
je 0x5d5457
push dword [esi]
call fcn.005ca723
jmp 0x5d5310
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.005cbe15
add esp, 0xc
test eax, eax
jne 0x5d5447
cmp byte [ebp - 4], 0x1a
jne 0x5d5447
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.005d7c87
add esp, 0xc
cmp eax, edi
je 0x5d540a
push ebx
push ebx
push dword [esi]
call fcn.005cb478
add esp, 0xc
cmp eax, edi
je 0x5d540a
test byte [ebp - 1], 0x80
je 0x5d5527
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x5d547f
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x5d547c
or dword [ebp + 0x10], edi
jmp 0x5d547f
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x5d54cc
cmp eax, 0x10000
je 0x5d54b8
cmp eax, 0x14000
je 0x5d54b8
cmp eax, 0x20000
je 0x5d54c6
cmp eax, 0x24000
je 0x5d54c6
cmp eax, 0x40000
je 0x5d54b2
cmp eax, 0x44000
jne 0x5d54cf
mov byte [ebp - 2], 1
jmp 0x5d54cf
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x5d54cf
mov byte [ebp - 2], 2
jmp 0x5d54cf
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x5d5527
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x5d5527
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x5d5681
cmp eax, 0x80000000
je 0x5d5648
cmp eax, ecx
jne 0x5d5527
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5d5527
cmp eax, 2
jbe 0x5d5729
cmp eax, 4
jbe 0x5d561a
cmp eax, 5
je 0x5d5729
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x674540]
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 + 0x674540]
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 0x5d5599
test byte [ebp + 0x10], 8
je 0x5d5599
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x674540]
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 0x5d57a8
test byte [ebp + 0x10], 1
je 0x5d57a8
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 0x5d5791
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.005bf2cf
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x674540]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005d5e58
pop ecx
jmp 0x5d5310
push 2
push ebx
push ebx
push dword [esi]
call fcn.005d44ba
add esp, 0x10
or eax, edx
je 0x5d5729
push ebx
push ebx
push ebx
push dword [esi]
call fcn.005d44ba
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x5d540a
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.005cbe15
add esp, 0xc
cmp eax, 0xffffffff
je 0x5d540a
cmp eax, 2
je 0x5d56cd
cmp eax, 3
jne 0x5d571b
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x5d56cd
mov byte [ebp - 2], 1
jmp 0x5d5527
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5d5527
cmp eax, 2
jbe 0x5d5729
cmp eax, 4
ja 0x5d551e
push 2
push ebx
push ebx
push dword [esi]
call fcn.005d44ba
add esp, 0x10
or eax, edx
je 0x5d5729
push ebx
push ebx
push ebx
push dword [esi]
call fcn.005d44ba
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x5d5527
jmp 0x5d540a
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x5d56f5
push dword [esi]
call fcn.005ca723
pop ecx
call fcn.005bf2a9
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x5d57aa
cmp eax, 0xfeff
jne 0x5d571b
push ebx
push 2
push dword [esi]
call fcn.005cb478
add esp, 0xc
cmp eax, 0xffffffff
je 0x5d540a
mov byte [ebp - 2], 2
jmp 0x5d5527
push ebx
push ebx
push dword [esi]
call fcn.005cb478
add esp, 0xc
jmp 0x5d56bf
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x5d5749
dec eax
jne 0x5d5527
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x5d5757
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.005ca18e
add esp, 0xc
cmp eax, 0xffffffff
je 0x5d577d
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x5d5757
jmp 0x5d5527
push dword [esi]
call fcn.005ca723
pop ecx
call fcn.005bf2a9
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x5d57aa
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x674540]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret