Function at 0x5c9406
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 0x5c9435
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x5c943f
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.005cc2a7
test eax, eax
pop ecx
je 0x5c945a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.005b1813
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.005b9813
test eax, eax
pop ecx
je 0x5c9475
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.005b1813
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x5c9492
test ecx, 0x74000
jne 0x5c948e
cmp dword [ebp - 0x24], eax
je 0x5c9492
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x5c94ec
dec eax
je 0x5c94d6
dec eax
je 0x5c94d1
call fcn.005b365c
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005b3649
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.005b190f
add esp, 0x14
jmp 0x5c9a9e
mov dword [ebp - 8], edx
jmp 0x5c94ef
test cl, 8
je 0x5c94e3
test ecx, 0x70000
jne 0x5c94d1
mov dword [ebp - 8], 0x40000000
jmp 0x5c94ef
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x5c9530
sub eax, ecx
je 0x5c9527
sub eax, ecx
je 0x5c951e
sub eax, ecx
je 0x5c9515
sub eax, 0x40
jne 0x5c94ab
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x5c9533
mov dword [ebp - 0x10], 3
jmp 0x5c9533
mov dword [ebp - 0x10], 2
jmp 0x5c9533
mov dword [ebp - 0x10], 1
jmp 0x5c9533
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 0x5c9586
je 0x5c957d
cmp eax, ebx
je 0x5c957d
cmp eax, edi
je 0x5c9574
cmp eax, 0x200
je 0x5c95f9
cmp eax, 0x300
jne 0x5c94ab
mov dword [ebp - 0x14], 2
jmp 0x5c95a3
mov dword [ebp - 0x14], 4
jmp 0x5c95a3
mov dword [ebp - 0x14], 3
jmp 0x5c95a3
cmp eax, 0x500
je 0x5c959c
cmp eax, 0x600
je 0x5c95f9
cmp eax, edx
jne 0x5c94ab
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5c95c7
mov ecx, dword [0x662eac]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5c95c7
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x5c95e3
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x5c95e3
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x5c95ec
or dword [ebp - 0xc], edi
test al, 0x20
je 0x5c9602
or dword [ebp - 0xc], 0x8000000
jmp 0x5c960d
mov dword [ebp - 0x14], 5
jmp 0x5c95a3
test al, 0x10
je 0x5c960d
or dword [ebp - 0xc], 0x10000000
call fcn.005ca3bc
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x5c9633
call fcn.005b365c
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005b3649
mov dword [eax], 0x18
jmp 0x5c96c1
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 0x5c96cd
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x5c9699
test byte [ebp + 0x10], 1
je 0x5c9699
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 0x5c96cd
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x664380]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.005b366f
pop ecx
call fcn.005b3649
mov eax, dword [eax]
jmp 0x5c9b5a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x5c971e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x664380]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.005b366f
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x5c96c1
call fcn.005b3649
mov dword [eax], 0xd
jmp 0x5c96c1
cmp eax, 2
jne 0x5c9729
or byte [ebp - 1], 0x40
jmp 0x5c9732
cmp eax, 3
jne 0x5c9732
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.005ca18b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x664380]
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 + 0x664380]
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 0x5c9807
test cl, 0x80
je 0x5c98d7
test byte [ebp + 0x10], 2
je 0x5c9807
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.005c067c
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5c97c6
call fcn.005b365c
cmp dword [eax], 0x83
je 0x5c9807
push dword [esi]
call fcn.005bf1f4
jmp 0x5c96c0
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.005bffbe
add esp, 0xc
test eax, eax
jne 0x5c97f7
cmp byte [ebp - 4], 0x1a
jne 0x5c97f7
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.005cc037
add esp, 0xc
cmp eax, edi
je 0x5c97ba
push ebx
push ebx
push dword [esi]
call fcn.005c067c
add esp, 0xc
cmp eax, edi
je 0x5c97ba
test byte [ebp - 1], 0x80
je 0x5c98d7
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x5c982f
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x5c982c
or dword [ebp + 0x10], edi
jmp 0x5c982f
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x5c987c
cmp eax, 0x10000
je 0x5c9868
cmp eax, 0x14000
je 0x5c9868
cmp eax, 0x20000
je 0x5c9876
cmp eax, 0x24000
je 0x5c9876
cmp eax, 0x40000
je 0x5c9862
cmp eax, 0x44000
jne 0x5c987f
mov byte [ebp - 2], 1
jmp 0x5c987f
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x5c987f
mov byte [ebp - 2], 2
jmp 0x5c987f
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x5c98d7
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x5c98d7
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x5c9a31
cmp eax, 0x80000000
je 0x5c99f8
cmp eax, ecx
jne 0x5c98d7
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5c98d7
cmp eax, 2
jbe 0x5c9ad9
cmp eax, 4
jbe 0x5c99ca
cmp eax, 5
je 0x5c9ad9
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x664380]
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 + 0x664380]
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 0x5c9949
test byte [ebp + 0x10], 8
je 0x5c9949
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x664380]
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 0x5c9b58
test byte [ebp + 0x10], 1
je 0x5c9b58
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 0x5c9b41
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.005b366f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x664380]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005ca208
pop ecx
jmp 0x5c96c0
push 2
push ebx
push ebx
push dword [esi]
call fcn.005c886b
add esp, 0x10
or eax, edx
je 0x5c9ad9
push ebx
push ebx
push ebx
push dword [esi]
call fcn.005c886b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x5c97ba
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.005bffbe
add esp, 0xc
cmp eax, 0xffffffff
je 0x5c97ba
cmp eax, 2
je 0x5c9a7d
cmp eax, 3
jne 0x5c9acb
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x5c9a7d
mov byte [ebp - 2], 1
jmp 0x5c98d7
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5c98d7
cmp eax, 2
jbe 0x5c9ad9
cmp eax, 4
ja 0x5c98ce
push 2
push ebx
push ebx
push dword [esi]
call fcn.005c886b
add esp, 0x10
or eax, edx
je 0x5c9ad9
push ebx
push ebx
push ebx
push dword [esi]
call fcn.005c886b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x5c98d7
jmp 0x5c97ba
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x5c9aa5
push dword [esi]
call fcn.005bf1f4
pop ecx
call fcn.005b3649
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x5c9b5a
cmp eax, 0xfeff
jne 0x5c9acb
push ebx
push 2
push dword [esi]
call fcn.005c067c
add esp, 0xc
cmp eax, 0xffffffff
je 0x5c97ba
mov byte [ebp - 2], 2
jmp 0x5c98d7
push ebx
push ebx
push dword [esi]
call fcn.005c067c
add esp, 0xc
jmp 0x5c9a6f
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x5c9af9
dec eax
jne 0x5c98d7
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x5c9b07
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.005bec5f
add esp, 0xc
cmp eax, 0xffffffff
je 0x5c9b2d
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x5c9b07
jmp 0x5c98d7
push dword [esi]
call fcn.005bf1f4
pop ecx
call fcn.005b3649
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x5c9b5a
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x664380]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret