Function at 0x403de0
Capabilities:
Encode data using base64
Parse pe header

Disassembly:
sub esp, 0x100
push ebx
push ebp
mov ebp, dword [esp + 0x110]
mov eax, 0xaaaaaaab
mul ebp
mov ecx, dword [esp + 0x10c]
push esi
mov esi, dword [esp + 0x118]
push edi
shr edx, 2
mov dword [esp + 0x10], 0x41
mov dword [esp + 0x14], 0x42
mov dword [esp + 0x18], 0x43
mov dword [esp + 0x1c], 0x44
mov dword [esp + 0x20], 0x45
mov dword [esp + 0x24], 0x46
mov dword [esp + 0x28], 0x47
mov dword [esp + 0x2c], 0x48
mov dword [esp + 0x30], 0x49
mov dword [esp + 0x34], 0x4a
mov dword [esp + 0x38], 0x4b
mov dword [esp + 0x3c], 0x4c
mov dword [esp + 0x40], 0x4d
mov dword [esp + 0x44], 0x4e
mov dword [esp + 0x48], 0x4f
mov dword [esp + 0x4c], 0x50
mov dword [esp + 0x50], 0x51
mov dword [esp + 0x54], 0x52
mov dword [esp + 0x58], 0x53
mov dword [esp + 0x5c], 0x54
mov dword [esp + 0x60], 0x55
mov dword [esp + 0x64], 0x56
mov dword [esp + 0x68], 0x57
mov dword [esp + 0x6c], 0x58
mov dword [esp + 0x70], 0x59
mov dword [esp + 0x74], 0x5a
mov dword [esp + 0x78], 0x61
mov dword [esp + 0x7c], 0x62
mov dword [esp + 0x80], 0x63
mov dword [esp + 0x84], 0x64
mov dword [esp + 0x88], 0x65
mov dword [esp + 0x8c], 0x66
mov dword [esp + 0x90], 0x67
mov dword [esp + 0x94], 0x68
mov dword [esp + 0x98], 0x69
mov dword [esp + 0x9c], 0x6a
mov dword [esp + 0xa0], 0x6b
mov dword [esp + 0xa4], 0x6c
mov dword [esp + 0xa8], 0x6d
mov dword [esp + 0xac], 0x6e
mov dword [esp + 0xb0], 0x6f
mov dword [esp + 0xb4], 0x70
mov dword [esp + 0xb8], 0x71
mov dword [esp + 0xbc], 0x72
mov dword [esp + 0xc0], 0x73
mov dword [esp + 0xc4], 0x74
mov dword [esp + 0xc8], 0x75
mov dword [esp + 0xcc], 0x76
mov dword [esp + 0xd0], 0x77
mov dword [esp + 0xd4], 0x78
mov dword [esp + 0xd8], 0x79
mov dword [esp + 0xdc], 0x7a
mov dword [esp + 0xe0], 0x30
mov dword [esp + 0xe4], 0x31
mov dword [esp + 0xe8], 0x32
mov dword [esp + 0xec], 0x33
mov dword [esp + 0xf0], 0x34
mov dword [esp + 0xf4], 0x35
mov dword [esp + 0xf8], 0x36
mov dword [esp + 0xfc], 0x37
mov dword [esp + 0x100], 0x38
mov dword [esp + 0x104], 0x39
mov dword [esp + 0x108], 0x2b
mov dword [esp + 0x10c], 0x2f
je 0x40411d
mov edi, edx
xor eax, eax
xor edx, edx
mov ah, byte [ecx]
mov dl, byte [ecx + 2]
mov al, byte [ecx + 1]
add ecx, 6
shl eax, 8
or eax, edx
add esi, 8
mov edx, eax
mov ebx, eax
shr edx, 6
and ebx, 0x3f
and edx, 0x3f
mov ebx, dword [esp + ebx*4 + 0x10]
mov edx, dword [esp + edx*4 + 0x10]
shl ebx, 8
or edx, ebx
mov ebx, eax
shr ebx, 0xc
and ebx, 0x3f
shl edx, 8
or edx, dword [esp + ebx*4 + 0x10]
shr eax, 0x12
shl edx, 8
mov ebx, dword [esp + eax*4 + 0x10]
xor eax, eax
or edx, ebx
mov dword [esi - 8], edx
mov ah, byte [ecx - 3]
mov al, byte [ecx - 2]
xor edx, edx
mov dl, byte [ecx - 1]
shl eax, 8
or eax, edx
mov edx, eax
mov ebx, eax
shr edx, 6
and ebx, 0x3f
and edx, 0x3f
mov ebx, dword [esp + ebx*4 + 0x10]
mov edx, dword [esp + edx*4 + 0x10]
shl ebx, 8
or edx, ebx
mov ebx, eax
shr ebx, 0xc
and ebx, 0x3f
shl edx, 8
or edx, dword [esp + ebx*4 + 0x10]
shr eax, 0x12
shl edx, 8
mov ebx, dword [esp + eax*4 + 0x10]
or edx, ebx
dec edi
mov dword [esi - 4], edx
jne 0x40407d
mov eax, ebp
xor edx, edx
mov edi, 6
div edi
cmp edx, 3
jb 0x40417e
xor eax, eax
xor edx, edx
mov ah, byte [ecx]
mov dl, byte [ecx + 2]
mov al, byte [ecx + 1]
add esi, 4
shl eax, 8
or eax, edx
mov edx, eax
mov edi, eax
shr edx, 6
and edi, 0x3f
and edx, 0x3f
mov edi, dword [esp + edi*4 + 0x10]
mov edx, dword [esp + edx*4 + 0x10]
shl edi, 8
or edx, edi
mov edi, eax
shr edi, 0xc
and edi, 0x3f
shl edx, 8
mov ebx, dword [esp + edi*4 + 0x10]
shr eax, 0x12
or edx, ebx
mov edi, dword [esp + eax*4 + 0x10]
shl edx, 8
or edx, edi
add ecx, 3
mov dword [esi - 4], edx
mov eax, ebp
xor edx, edx
mov edi, 3
div edi
dec edx
je 0x4041c2
dec edx
jne 0x4041e7
xor edx, edx
xor eax, eax
mov dl, byte [ecx + 1]
mov al, byte [ecx]
mov ecx, edx
mov edi, eax
and ecx, 0xf
and edi, 3
shr edx, 4
shl ecx, 4
and edx, 0xf
mov ecx, dword [esp + ecx + 0x10]
shl edi, 4
or edx, edi
or ch, 0x3d
shl ecx, 8
mov edx, dword [esp + edx*4 + 0x10]
or edx, ecx
jmp 0x4041d8
xor eax, eax
mov al, byte [ecx]
mov ecx, eax
and ecx, 3
shl ecx, 6
mov edx, dword [esp + ecx + 0x10]
or edx, 0x3d3d00
shr eax, 2
and eax, 0x3f
shl edx, 8
or edx, dword [esp + eax*4 + 0x10]
mov dword [esi], edx
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x100
ret 0xc