Function at 0x4b7d70
Capabilities:
Encode data using base64

Disassembly:
mov eax, dword [esp + 0xc]
sub esp, 0x58
mov edx, dword [eax + 4]
mov eax, dword [eax + 8]
push ebx
push ebp
push esi
xor esi, esi
push edi
cmp edx, eax
jae 0x4b8811
mov ebx, dword [esp + 0x70]
nop
push eax
push edx
lea eax, [esp + 0x50]
push eax
call fcn.004b8b30
mov edx, eax
add esp, 0xc
mov dword [esp + 0x24], edx
test edx, edx
je case.0x4b8354.7
mov eax, dword [esp + 0x4c]
mov ecx, dword [esp + 0x50]
cmp eax, ecx
jae 0x4b8802
nop dword [eax]
push ecx
push eax
lea eax, [esp + 0x60]
push eax
call fcn.004b8b30
add esp, 0xc
mov dword [esp + 0x20], eax
test eax, eax
je case.0x4b8354.7
mov edi, dword [esp + 0x60]
lea eax, [esp + 0x28]
push edi
push dword [esp + 0x60]
push eax
call fcn.004b8b30
add esp, 0xc
test eax, eax
je case.0x4b8354.7
push edi
push eax
lea eax, [esp + 0x40]
push eax
call fcn.004b8b30
add esp, 0xc
test eax, eax
je case.0x4b8354.7
cmp byte [esp + 0x36], 0
jne case.0x4b8354.7
movzx ebp, byte [esp + 0x35]
lea eax, [ebp - 1]
cmp eax, 0x1d
ja case.0x4b8354.7
movzx eax, byte [eax + 0x4b8850]
jmp dword [eax*4 + 0x4b8828]
mov eax, dword [esp + 0x30]
mov ecx, dword [esp + 0x2c]
sub eax, ecx
cmp eax, 1
je 0x4b7e50
xor ebp, ebp
jmp 0x4b828f
cmp byte [ecx], 0
mov eax, 0x4e21b8
mov ecx, 0x4e21c0
cmove eax, ecx
push eax
call dword [0x4f60e8]
add esp, 4
mov ebp, eax
jmp 0x4b828f
mov edi, dword [esp + 0x30]
mov eax, edi
mov edx, dword [esp + 0x2c]
sub eax, edx
jne 0x4b7e86
xor ebp, ebp
jmp 0x4b828f
cmp eax, 4
jbe 0x4b7e9c
push edi
push edx
call fcn.004b8c10
add esp, 8
mov ebp, eax
jmp 0x4b828f
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4b7ea2
push ecx
cmp ecx, 0xa
mov eax, 0x4eb638
mov ecx, 0x4ebf0b
cmovb eax, ecx
push eax
push str._s_lx
call fcn.0048a760
add esp, 0xc
mov ebp, eax
jmp 0x4b828f
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x30]
inc eax
cmp eax, ecx
jbe 0x4b7ee9
xor ebp, ebp
jmp 0x4b828f
push ecx
push eax
call fcn.004b8c10
add esp, 8
mov ebp, eax
jmp 0x4b828f
push dword [esp + 0x30]
push dword [esp + 0x30]
call fcn.004b8c10
add esp, 8
mov ebp, eax
jmp 0x4b828f
push 0x4ebf0b
call dword [0x4f60e8]
add esp, 4
mov ebp, eax
jmp 0x4b828f
push 1
push dword [esp + 0x34]
push dword [esp + 0x34]
call fcn.004b7410
add esp, 0xc
mov ebp, eax
jmp 0x4b828f
mov ebx, dword [esp + 0x2c]
mov ecx, ebx
mov edx, dword [esp + 0x30]
cmp ecx, edx
jae 0x4b7f5d
nop dword [eax]
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4b7f5d
inc ecx
cmp ecx, edx
jb 0x4b7f50
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4b7f7d
sub eax, 2
je 0x4b7f82
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4b8293
mov edi, 0x4eb678
cmp ecx, edx
jb 0x4b7f95
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4b8293
cmp byte [ecx], 0x5a
jne 0x4b7fa6
mov ecx, 0x4eb67c
mov edx, 0x4eb67f
jmp 0x4b7fa7
inc ecx
push ecx
sub edx, ecx
lea eax, [ebx + 8]
push edx
push edi
push eax
lea eax, [ebx + 6]
push eax
lea eax, [ebx + 4]
push eax
lea eax, [ebx + 2]
push eax
xor eax, eax
cmp byte [ebx], 0x35
push ebx
setl al
add eax, 0x13
push eax
push str._u_.2s__.2s__.2s__.2s:_.2s:_.2s__.s
call fcn.0048a760
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4b8293
mov ebp, dword [esp + 0x2c]
mov edi, 0x4ebf0b
mov ebx, dword [esp + 0x30]
mov ecx, ebp
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x18], edi
cmp ecx, ebx
jae 0x4b8010
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4b8010
inc ecx
cmp ecx, ebx
jb 0x4b8003
mov eax, ecx
mov byte [esp + 0x12], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4b804a
sub eax, 1
je 0x4b8041
sub eax, 1
je 0x4b803a
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4b8293
mov al, byte [ecx - 2]
mov byte [esp + 0x12], al
mov al, byte [ecx - 1]
mov byte [esp + 0x11], al
jmp 0x4b804f
mov byte [esp + 0x11], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4b80ba
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x1c]
je 0x4b806d
cmp byte [esp + 0x13], 0x2c
jne 0x4b809f
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4b8081
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4b8081
cmp dl, 0x39
jle 0x4b8070
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4b809f
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4b809b
dec edi
sub edx, 1
jne 0x4b8090
mov edi, dword [esp + 0x18]
cmp eax, ebx
jae 0x4b80ba
cmp byte [eax], 0x5a
jne 0x4b80b4
mov eax, 0x4eb644
mov ebx, 0x4eb648
jmp 0x4b80ba
mov edi, 0x4ec104
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x4ebf0b
mov eax, 0x4ebf28
cmove eax, ecx
push eax
movsx eax, byte [esp + 0x29]
push eax
movsx eax, byte [esp + 0x2e]
push eax
lea eax, [ebp + 0xa]
push eax
lea eax, [ebp + 8]
push eax
lea eax, [ebp + 6]
push eax
lea eax, [ebp + 4]
push eax
push ebp
push str._.4s__.2s__.2s__.2s:_.2s:_c_c_s_.s_s_.s
call fcn.0048a760
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4b8293
mov ebx, dword [esp + 0x30]
lea eax, [ebp - 0xc]
mov edi, dword [esp + 0x2c]
mov ecx, 1
sub ebx, edi
mov dword [esp + 0x18], ecx
mov dword [esp + 0x14], 0
cmp eax, 0x12
ja case.0x4b813b.13
movzx eax, byte [eax + 0x4b8880]
jmp dword [eax*4 + 0x4b8870]
mov ecx, 2
jmp 0x4b814e
mov ecx, 4
mov dword [esp + 0x18], ecx
xor edx, edx
mov eax, ebx
div ecx
test edx, edx
jne case.0x4b813b.13
mov eax, ebx
div ecx
cmp eax, 0x3fffffff
ja case.0x4b813b.13
lea eax, [eax*4 + 1]
push eax
call dword [0x4f60dc]
mov edx, eax
add esp, 4
mov dword [esp + 0x1c], edx
test edx, edx
je case.0x4b813b.13
cmp ebp, 0xc
jne 0x4b81af
test ebx, ebx
je 0x4b81a6
push ebx
push edi
push edx
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov edx, dword [esp + 0x1c]
mov byte [ebx + edx], 0
jmp 0x4b8284
xor ebx, ebx
cmp edi, dword [esp + 0x30]
jae 0x4b81a6
mov eax, dword [esp + 0x18]
xor ecx, ecx
sub eax, 2
je 0x4b81d6
sub eax, 2
jne 0x4b81df
movzx ecx, byte [edi]
movzx eax, byte [edi + 1]
shl ecx, 8
or ecx, eax
add edi, 2
movzx eax, byte [edi]
shl ecx, 8
or ecx, eax
inc edi
movzx eax, byte [edi]
mov ebp, 1
shl ecx, 8
inc edi
or ecx, eax
cmp ecx, 0x80
jb 0x4b825a
cmp ecx, 0x800
jb 0x4b8243
cmp ecx, 0x10000
jb 0x4b8228
cmp ecx, 0x200000
jae 0x4b8273
mov al, cl
add edx, ebx
and al, 0x3f
or ecx, 0x400000
or al, 0x80
mov ebp, 3
shr ecx, 6
mov byte [edx + 3], al
jmp 0x4b822f
add edx, ebx
mov ebp, 2
mov al, cl
or ecx, 0x20000
and al, 0x3f
or al, 0x80
shr ecx, 6
mov byte [edx + 2], al
jmp 0x4b8245
add edx, ebx
mov al, cl
or ecx, 0x3000
and al, 0x3f
shr ecx, 6
or al, 0x80
inc ebp
mov byte [edx + 1], al
jmp 0x4b825c
add edx, ebx
add ebx, ebp
mov byte [edx], cl
cmp edi, dword [esp + 0x30]
jae 0x4b81a2
mov edx, dword [esp + 0x1c]
jmp 0x4b81b7
push edx
call dword [0x4f60e0]
add esp, 4
mov edx, dword [esp + 0x14]
or ebx, 0xffffffff
xor ebp, ebp
test ebx, ebx
mov ebx, dword [esp + 0x70]
cmovns ebp, edx
mov dword [esp + 0x14], ebp
test ebp, ebp
je case.0x4b8354.7
test esi, esi
je 0x4b82f7
movsx eax, byte [ebp]
mov edi, ebp
push eax
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_isupper]
add esp, 4
test eax, eax
je 0x4b82c6
movsx eax, byte [edi + 1]
inc edi
push eax
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_isupper]
add esp, 4
test eax, eax
jne 0x4b82b3
cmp byte [edi], 0
jne 0x4b82d7
sub edi, ebp
mov ecx, 0x4e2d14
cmp edi, 2
jle 0x4b82dc
mov ecx, 0x4e20a8
mov ebp, dword [esp + 0x6c]
sub ecx, esi
cmp esi, ebx
jae 0x4b82ec
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4b82e2
mov ebp, dword [esp + 0x14]
cmp byte [ebp], 0
je 0x4b831a
mov ecx, ebp
mov ebp, dword [esp + 0x6c]
sub ecx, esi
cmp esi, ebx
jae 0x4b830f
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4b8305
mov ebp, dword [esp + 0x14]
push ebp
call dword [0x4f60e0]
add esp, 4
cmp esi, ebx
jae 0x4b8330
mov eax, dword [esp + 0x6c]
mov byte [esi + eax], 0x3d
inc esi
cmp byte [esp + 0x46], 0
jne case.0x4b8354.7
movzx ebp, byte [esp + 0x45]
lea eax, [ebp - 1]
cmp eax, 0x1d
ja case.0x4b8354.7
movzx eax, byte [eax + 0x4b88bc]
jmp dword [eax*4 + 0x4b8894]
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
sub eax, ecx
cmp eax, 1
je 0x4b8371
xor edx, edx
jmp 0x4b87b7
cmp byte [ecx], 0
mov eax, 0x4e21b8
mov ecx, 0x4e21c0
cmove eax, ecx
push eax
call dword [0x4f60e8]
add esp, 4
mov edx, eax
jmp 0x4b87b7
mov edi, dword [esp + 0x40]
mov eax, edi
mov edx, dword [esp + 0x3c]
sub eax, edx
jne 0x4b83a7
xor edx, edx
jmp 0x4b87b7
cmp eax, 4
jbe 0x4b83bd
push edi
push edx
call fcn.004b8c10
add esp, 8
mov edx, eax
jmp 0x4b87b7
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4b83c3
push ecx
cmp ecx, 0xa
mov eax, 0x4eb638
mov ecx, 0x4ebf0b
cmovb eax, ecx
push eax
push str._s_lx
call fcn.0048a760
add esp, 0xc
mov edx, eax
jmp 0x4b87b7
mov eax, dword [esp + 0x3c]
mov ecx, dword [esp + 0x40]
inc eax
cmp eax, ecx
jbe 0x4b840a
xor edx, edx
jmp 0x4b87b7
push ecx
push eax
call fcn.004b8c10
add esp, 8
mov edx, eax
jmp 0x4b87b7
push dword [esp + 0x40]
push dword [esp + 0x40]
call fcn.004b8c10
add esp, 8
mov edx, eax
jmp 0x4b87b7
push 0x4ebf0b
call dword [0x4f60e8]
add esp, 4
mov edx, eax
jmp 0x4b87b7
push 1
push dword [esp + 0x44]
push dword [esp + 0x44]
call fcn.004b7410
add esp, 0xc
mov edx, eax
jmp 0x4b87b7
mov ebx, dword [esp + 0x3c]
mov ecx, ebx
mov edx, dword [esp + 0x40]
cmp ecx, edx
jae 0x4b847d
nop
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4b847d
inc ecx
cmp ecx, edx
jb 0x4b8470
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4b849d
sub eax, 2
je 0x4b84a2
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4b87bb
mov edi, 0x4eb678
cmp ecx, edx
jb 0x4b84b5
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4b87bb
cmp byte [ecx], 0x5a
jne 0x4b84c6
mov ecx, 0x4eb67c
mov edx, 0x4eb67f
jmp 0x4b84c7
inc ecx
push ecx
sub edx, ecx
lea eax, [ebx + 8]
push edx
push edi
push eax
lea eax, [ebx + 6]
push eax
lea eax, [ebx + 4]
push eax
lea eax, [ebx + 2]
push eax
xor eax, eax
cmp byte [ebx], 0x35
push ebx
setl al
add eax, 0x13
push eax
push str._u_.2s__.2s__.2s__.2s:_.2s:_.2s__.s
call fcn.0048a760
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4b87bb
mov ebp, dword [esp + 0x3c]
mov edi, 0x4ebf0b
mov ebx, dword [esp + 0x40]
mov ecx, ebp
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x18], edi
cmp ecx, ebx
jae 0x4b8530
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4b8530
inc ecx
cmp ecx, ebx
jb 0x4b8523
mov eax, ecx
mov byte [esp + 0x11], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4b856a
sub eax, 1
je 0x4b8561
sub eax, 1
je 0x4b855a
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4b87bb
mov al, byte [ecx - 2]
mov byte [esp + 0x11], al
mov al, byte [ecx - 1]
mov byte [esp + 0x12], al
jmp 0x4b856f
mov byte [esp + 0x12], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4b85da
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x1c]
je 0x4b858d
cmp byte [esp + 0x13], 0x2c
jne 0x4b85bf
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4b85a1
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4b85a1
cmp dl, 0x39
jle 0x4b8590
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4b85bf
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4b85bb
dec edi
sub edx, 1
jne 0x4b85b0
mov edi, dword [esp + 0x18]
cmp eax, ebx
jae 0x4b85da
cmp byte [eax], 0x5a
jne 0x4b85d4
mov eax, 0x4eb644
mov ebx, 0x4eb648
jmp 0x4b85da
mov edi, 0x4ec104
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x4ebf0b
mov eax, 0x4ebf28
cmove eax, ecx
push eax
movsx eax, byte [esp + 0x2a]
push eax
movsx eax, byte [esp + 0x2d]
push eax
lea eax, [ebp + 0xa]
push eax
lea eax, [ebp + 8]
push eax
lea eax, [ebp + 6]
push eax
lea eax, [ebp + 4]
push eax
push ebp
push str._.4s__.2s__.2s__.2s:_.2s:_c_c_s_.s_s_.s
call fcn.0048a760
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4b87bb
mov ebx, dword [esp + 0x40]
lea eax, [ebp - 0xc]
mov edi, dword [esp + 0x3c]
mov ecx, 1
sub ebx, edi
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x14], 0
cmp eax, 0x12
ja case.0x4b865b.13
movzx eax, byte [eax + 0x4b88ec]
jmp dword [eax*4 + 0x4b88dc]
mov ecx, 2
jmp 0x4b866e
mov ecx, 4
mov dword [esp + 0x1c], ecx
xor edx, edx
mov eax, ebx
div ecx
test edx, edx
jne case.0x4b865b.13
mov eax, ebx
div ecx
cmp eax, 0x3fffffff
ja case.0x4b865b.13
lea eax, [eax*4 + 1]
push eax
call dword [0x4f60dc]
mov edx, eax
add esp, 4
mov dword [esp + 0x18], edx
test edx, edx
je case.0x4b865b.13
cmp ebp, 0xc
jne 0x4b86d1
test ebx, ebx
je 0x4b86c6
push ebx
push edi
push edx
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov edx, dword [esp + 0x18]
mov byte [ebx + edx], 0
mov eax, edx
jmp 0x4b87ac
xor ebx, ebx
cmp edi, dword [esp + 0x40]
jae 0x4b86c6
nop dword [eax]
mov ecx, dword [esp + 0x1c]
xor eax, eax
sub ecx, 2
je 0x4b86ff
sub ecx, 2
jne 0x4b8708
movzx eax, byte [edi]
movzx ecx, byte [edi + 1]
shl eax, 8
or eax, ecx
add edi, 2
movzx ecx, byte [edi]
shl eax, 8
or eax, ecx
inc edi
movzx ecx, byte [edi]
mov ebp, 1
shl eax, 8
inc edi
or eax, ecx
cmp eax, 0x80
jb 0x4b8782
cmp eax, 0x800
jb 0x4b876a
cmp eax, 0x10000
jb 0x4b874e
cmp eax, 0x200000
jae 0x4b879b
mov cl, al
add edx, ebx
and cl, 0x3f
or eax, 0x400000
or cl, 0x80
mov ebp, 3
shr eax, 6
mov byte [edx + 3], cl
jmp 0x4b8755
add edx, ebx
mov ebp, 2
mov cl, al
or eax, 0x20000
and cl, 0x3f
or cl, 0x80
shr eax, 6
mov byte [edx + 2], cl
jmp 0x4b876c
add edx, ebx
mov cl, al
or eax, 0x3000
and cl, 0x3f
shr eax, 6
or cl, 0x80
inc ebp
mov byte [edx + 1], cl
jmp 0x4b8784
add edx, ebx
add ebx, ebp
mov byte [edx], al
cmp edi, dword [esp + 0x40]
jae 0x4b86c2
mov edx, dword [esp + 0x18]
jmp 0x4b86e0
push edx
call dword [0x4f60e0]
add esp, 4
mov eax, dword [esp + 0x14]
or ebx, 0xffffffff
xor edx, edx
test ebx, ebx
mov ebx, dword [esp + 0x70]
cmovns edx, eax
mov dword [esp + 0x14], edx
test edx, edx
je case.0x4b8354.7
cmp byte [edx], 0
mov ecx, edx
je 0x4b87e4
mov edx, dword [esp + 0x6c]
nop word [eax + eax]
cmp esi, ebx
jae 0x4b87d9
mov al, byte [ecx]
mov byte [esi + edx], al
inc ecx
inc esi
cmp byte [ecx], 0
jne 0x4b87d0
mov edx, dword [esp + 0x14]
push edx
call dword [0x4f60e0]
mov eax, dword [esp + 0x24]
add esp, 4
mov ecx, dword [esp + 0x50]
cmp eax, ecx
jb 0x4b7dc0
mov edx, dword [esp + 0x24]
mov eax, dword [esp + 0x74]
mov eax, dword [eax + 8]
cmp edx, eax
jb 0x4b7d90
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x58
ret
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x58
ret