Function at 0x43881d
Capabilities:
Contain obfuscated stackstrings
Decode data using base64 via vbmi lookup table

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x100
mov ecx, dword [ebp + 0xc]
push esi
mov dword [ebp - 0x100], 0x40404040
mov dword [ebp - 0xfc], 0x40404040
mov dword [ebp - 0xf8], 0x40404040
mov dword [ebp - 0xf4], 0x40404040
mov dword [ebp - 0xf0], 0x40404040
mov dword [ebp - 0xec], 0x40404040
mov dword [ebp - 0xe8], 0x40404040
mov dword [ebp - 0xe4], 0x40404040
mov dword [ebp - 0xe0], 0x40404040
mov dword [ebp - 0xdc], 0x40404040
mov dword [ebp - 0xd8], 0x3e404040
mov dl, 0x3f
mov dword [ebp - 0xd4], 0x3f404040
mov dword [ebp - 0xd0], 0x37363534
mov dword [ebp - 0xcc], 0x3b3a3938
mov dword [ebp - 0xc8], 0x40403d3c
mov dword [ebp - 0xc4], 0x40404040
mov dword [ebp - 0xc0], 0x2010040
mov dword [ebp - 0xbc], 0x6050403
mov dword [ebp - 0xb8], 0xa090807
mov dword [ebp - 0xb4], 0xe0d0c0b
mov dword [ebp - 0xb0], 0x1211100f
mov dword [ebp - 0xac], 0x16151413
mov dword [ebp - 0xa8], 0x40191817
mov dword [ebp - 0xa4], 0x40404040
mov dword [ebp - 0xa0], 0x1c1b1a40
mov dword [ebp - 0x9c], 0x201f1e1d
mov dword [ebp - 0x98], 0x24232221
mov dword [ebp - 0x94], 0x28272625
mov dword [ebp - 0x90], 0x2c2b2a29
mov dword [ebp - 0x8c], 0x302f2e2d
mov dword [ebp - 0x88], 0x40333231
mov dword [ebp - 0x84], 0x40404040
mov dword [ebp - 0x80], 0x40404040
mov dword [ebp - 0x7c], 0x40404040
mov dword [ebp - 0x78], 0x40404040
mov dword [ebp - 0x74], 0x40404040
mov dword [ebp - 0x70], 0x40404040
mov dword [ebp - 0x6c], 0x40404040
mov dword [ebp - 0x68], 0x40404040
mov dword [ebp - 0x64], 0x40404040
mov dword [ebp - 0x60], 0x40404040
mov dword [ebp - 0x5c], 0x40404040
mov dword [ebp - 0x58], 0x40404040
mov dword [ebp - 0x54], 0x40404040
mov dword [ebp - 0x50], 0x40404040
mov dword [ebp - 0x4c], 0x40404040
mov dword [ebp - 0x48], 0x40404040
mov dword [ebp - 0x44], 0x40404040
mov dword [ebp - 0x40], 0x40404040
mov dword [ebp - 0x3c], 0x40404040
mov dword [ebp - 0x38], 0x40404040
mov dword [ebp - 0x34], 0x40404040
mov dword [ebp - 0x30], 0x40404040
mov dword [ebp - 0x2c], 0x40404040
mov dword [ebp - 0x28], 0x40404040
mov dword [ebp - 0x24], 0x40404040
mov dword [ebp - 0x20], 0x40404040
mov dword [ebp - 0x1c], 0x40404040
mov dword [ebp - 0x18], 0x40404040
mov dword [ebp - 0x14], 0x40404040
mov dword [ebp - 0x10], 0x40404040
mov dword [ebp - 0xc], 0x40404040
mov dword [ebp - 8], 0x40404040
mov dword [ebp - 4], 0x40404040
mov eax, ecx
push edi
movzx esi, byte [eax]
inc eax
cmp byte [ebp + esi - 0x100], dl
jbe 0x438a4f
mov esi, dword [ebp + 8]
sub eax, ecx
lea edi, [eax - 1]
lea eax, [edi + 3]
cdq
and edx, 3
add eax, edx
sar eax, 2
lea eax, [eax + eax*2]
mov dword [ebp + 0xc], eax
cmp edi, 4
jle 0x438af9
lea edx, [edi - 5]
shr edx, 2
inc edx
mov eax, edx
neg eax
lea edi, [edi + eax*4]
push ebx
lea ecx, [ecx]
movzx ebx, byte [ecx]
movzx ebx, byte [ebp + ebx - 0x100]
movzx eax, byte [ecx + 1]
movzx eax, byte [ebp + eax - 0x100]
add bl, bl
add bl, bl
shr al, 4
or al, bl
mov byte [esi], al
movzx eax, byte [ecx + 1]
movzx ebx, byte [ecx + 2]
movzx ebx, byte [ebp + ebx - 0x100]
movzx eax, byte [ebp + eax - 0x100]
shr bl, 2
shl al, 4
or al, bl
mov byte [esi + 1], al
movzx ebx, byte [ecx + 2]
movzx ebx, byte [ebp + ebx - 0x100]
movzx eax, byte [ecx + 3]
shl bl, 6
or bl, byte [ebp + eax - 0x100]
add esi, 3
mov byte [esi - 1], bl
add ecx, 4
dec edx
jne 0x438a8d
pop ebx
cmp edi, 1
jle 0x438b1f
movzx edx, byte [ecx + 1]
mov al, byte [ebp + edx - 0x100]
movzx edx, byte [ecx]
mov dl, byte [ebp + edx - 0x100]
add dl, dl
shr al, 4
add dl, dl
or al, dl
mov byte [esi], al
inc esi
cmp edi, 2
jle 0x438b45
movzx eax, byte [ecx + 2]
mov dl, byte [ebp + eax - 0x100]
movzx eax, byte [ecx + 1]
mov al, byte [ebp + eax - 0x100]
shr dl, 2
shl al, 4
or dl, al
mov byte [esi], dl
inc esi
cmp edi, 3
jle 0x438b67
movzx edx, byte [ecx + 2]
movzx ecx, byte [ecx + 3]
mov al, byte [ebp + edx - 0x100]
shl al, 6
or al, byte [ebp + ecx - 0x100]
inc esi
mov byte [esi - 1], al
mov eax, dword [ebp + 0xc]
neg edi
and edi, 3
sub eax, edi
pop edi
mov byte [esi], 0
pop esi
mov esp, ebp
pop ebp
ret