Function at 0x4c31bf
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 0x4c3b66
mov ebx, dword [esp + 0x70]
mov ebp, 0x63971a
push eax
push edx
lea eax, [esp + 0x50]
push eax
call fcn.004c3e90
mov edx, eax
add esp, 0xc
mov dword [esp + 0x24], edx
test edx, edx
je case.0x4c36c6.7
mov eax, dword [esp + 0x4c]
mov ecx, dword [esp + 0x50]
cmp eax, ecx
jae 0x4c3b57
push ecx
push eax
lea eax, [esp + 0x60]
push eax
call fcn.004c3e90
add esp, 0xc
mov dword [esp + 0x20], eax
test eax, eax
je case.0x4c36c6.7
mov edi, dword [esp + 0x60]
lea eax, [esp + 0x28]
push edi
push dword [esp + 0x60]
push eax
call fcn.004c3e90
add esp, 0xc
test eax, eax
je case.0x4c36c6.7
push edi
push eax
lea eax, [esp + 0x40]
push eax
call fcn.004c3e90
add esp, 0xc
test eax, eax
je case.0x4c36c6.7
cmp byte [esp + 0x36], 0
jne case.0x4c36c6.7
movzx ecx, byte [esp + 0x35]
mov dword [esp + 0x1c], ecx
lea eax, [ecx - 1]
cmp eax, 0x1d
ja case.0x4c36c6.7
movzx eax, byte [eax + 0x4c3ba4]
jmp dword [eax*4 + 0x4c3b7c]
mov eax, dword [esp + 0x30]
mov ecx, dword [esp + 0x2c]
sub eax, ecx
cmp eax, 1
je 0x4c31d5
xor ebp, ebp
jmp 0x4c35fc
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x6490e4]
add esp, 4
mov ebp, eax
jmp 0x4c35fc
mov edi, dword [esp + 0x30]
mov eax, edi
mov edx, dword [esp + 0x2c]
sub eax, edx
jne 0x4c320b
xor ebp, ebp
jmp 0x4c35fc
cmp eax, 4
jbe 0x4c3221
push edi
push edx
call fcn.004c3f70
add esp, 8
mov ebp, eax
jmp 0x4c35fc
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4c3227
cmp ecx, 0xa
mov eax, 0x5cbde0
push ecx
cmovb eax, ebp
push eax
push str._s_lx
call fcn.004a29b0
add esp, 0xc
mov ebp, eax
jmp 0x4c35fc
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x30]
inc eax
cmp eax, ecx
jbe 0x4c3269
xor ebp, ebp
jmp 0x4c35fc
push ecx
push eax
call fcn.004c3f70
add esp, 8
mov ebp, eax
jmp 0x4c35fc
push dword [esp + 0x30]
push dword [esp + 0x30]
call fcn.004c3f70
add esp, 8
mov ebp, eax
jmp 0x4c35fc
push 0x63971a
call dword [0x6490e4]
add esp, 4
mov ebp, eax
jmp 0x4c35fc
push 1
push dword [esp + 0x34]
push dword [esp + 0x34]
call fcn.004c27a0
add esp, 0xc
mov ebp, eax
jmp 0x4c35fc
mov ebx, dword [esp + 0x2c]
mov ecx, ebx
mov edx, dword [esp + 0x30]
cmp ecx, edx
jae 0x4c32dd
nop dword [eax]
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4c32dd
inc ecx
cmp ecx, edx
jb 0x4c32d0
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4c32fd
sub eax, 2
je 0x4c3302
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4c3600
mov edi, 0x5d53d4
cmp ecx, edx
jb 0x4c3315
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4c3600
cmp byte [ecx], 0x5a
jne 0x4c3326
mov ecx, 0x5d53d8
mov edx, 0x5d53db
jmp 0x4c3327
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.004a29b0
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4c3600
mov ebp, dword [esp + 0x2c]
mov edi, 0x63971a
mov ebx, dword [esp + 0x30]
mov ecx, ebp
mov dword [esp + 0x18], ebx
mov dword [esp + 0x14], edi
cmp ecx, ebx
jae 0x4c3390
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4c3390
inc ecx
cmp ecx, ebx
jb 0x4c3383
mov eax, ecx
mov byte [esp + 0x12], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4c33ca
sub eax, 1
je 0x4c33c1
sub eax, 1
je 0x4c33ba
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4c3600
mov al, byte [ecx - 2]
mov byte [esp + 0x12], al
mov al, byte [ecx - 1]
mov byte [esp + 0x11], al
jmp 0x4c33cf
mov byte [esp + 0x11], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4c343a
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x18]
je 0x4c33ed
cmp byte [esp + 0x13], 0x2c
jne 0x4c341f
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4c3401
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4c3401
cmp dl, 0x39
jle 0x4c33f0
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4c341f
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4c341b
dec edi
sub edx, 1
jne 0x4c3410
mov edi, dword [esp + 0x14]
cmp eax, ebx
jae 0x4c343a
cmp byte [eax], 0x5a
jne 0x4c3434
mov eax, str._GMT
mov ebx, 0x5d53a4
jmp 0x4c343a
mov edi, 0x639b14
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x63971a
mov eax, 0x639950
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.004a29b0
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4c3600
mov ebx, dword [esp + 0x30]
add ecx, 0xfffffff4
mov edi, dword [esp + 0x2c]
mov ebp, 1
sub ebx, edi
mov dword [esp + 0x18], ebp
mov dword [esp + 0x14], 0
cmp ecx, 0x12
ja case.0x4c34bb.13
movzx eax, byte [ecx + 0x4c3bd4]
jmp dword [eax*4 + 0x4c3bc4]
mov ebp, 2
jmp 0x4c34ce
mov ebp, 4
mov dword [esp + 0x18], ebp
xor edx, edx
mov eax, ebx
div ebp
test edx, edx
jne case.0x4c34bb.13
mov eax, ebx
div ebp
cmp eax, 0x3fffffff
ja case.0x4c34bb.13
lea eax, [eax*4 + 1]
push eax
call dword [0x6490d8]
mov ebp, eax
add esp, 4
test ebp, ebp
je case.0x4c34bb.13
cmp dword [esp + 0x1c], 0xc
jne 0x4c352b
test ebx, ebx
je 0x4c3520
push ebx
push edi
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov byte [ebx + ebp], 0
mov eax, ebp
jmp 0x4c35f1
xor ebx, ebx
cmp edi, dword [esp + 0x30]
jae 0x4c3520
mov eax, dword [esp + 0x18]
xor ecx, ecx
sub eax, 2
je 0x4c3552
sub eax, 2
jne 0x4c355b
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 edx, 1
shl ecx, 8
inc edi
or ecx, eax
cmp ecx, 0x80
jb 0x4c35c9
cmp ecx, 0x800
jb 0x4c35b5
cmp ecx, 0x10000
jb 0x4c35a1
cmp ecx, 0x200000
jae 0x4c35e0
mov al, cl
mov edx, 2
and al, 0x3f
or ecx, 0x400000
or al, 0x80
shr ecx, 6
mov byte [ebx + ebp + 3], al
mov al, cl
or ecx, 0x20000
and al, 0x3f
shr ecx, 6
or al, 0x80
inc edx
mov byte [ebx + ebp + 2], al
mov al, cl
or ecx, 0x3000
and al, 0x3f
shr ecx, 6
or al, 0x80
inc edx
mov byte [ebx + ebp + 1], al
mov byte [ebx + ebp], cl
add ebx, edx
cmp edi, dword [esp + 0x30]
jb 0x4c3533
mov byte [ebx + ebp], 0
mov eax, ebp
jmp 0x4c35f1
push ebp
call dword [0x6490dc]
add esp, 4
mov eax, dword [esp + 0x14]
or ebx, 0xffffffff
xor ebp, ebp
test ebx, ebx
mov ebx, dword [esp + 0x70]
cmovns ebp, eax
mov dword [esp + 0x14], ebp
test ebp, ebp
je case.0x4c36c6.7
test esi, esi
je 0x4c3665
movsx eax, byte [ebp]
mov edi, ebp
push eax
call sub.api_ms_win_crt_string_l1_1_0.dll_isupper
add esp, 4
test eax, eax
je 0x4c3632
nop
movsx eax, byte [edi + 1]
inc edi
push eax
call sub.api_ms_win_crt_string_l1_1_0.dll_isupper
add esp, 4
test eax, eax
jne 0x4c3620
cmp byte [edi], 0
jne 0x4c3643
sub edi, ebp
mov ecx, 0x5ce5f0
cmp edi, 2
jle 0x4c3648
mov ecx, 0x63c3ec
mov ebp, dword [esp + 0x6c]
sub ecx, esi
nop
cmp esi, ebx
jae 0x4c365a
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4c3650
mov ebp, dword [esp + 0x14]
cmp byte [ebp], 0
je 0x4c3688
mov ecx, ebp
mov ebp, dword [esp + 0x6c]
sub ecx, esi
cmp esi, ebx
jae 0x4c367d
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4c3673
mov ebp, dword [esp + 0x14]
push ebp
call dword [0x6490dc]
add esp, 4
cmp esi, ebx
jae 0x4c369e
mov eax, dword [esp + 0x6c]
mov byte [esi + eax], 0x3d
inc esi
cmp byte [esp + 0x46], 0
jne case.0x4c36c6.7
movzx ecx, byte [esp + 0x45]
mov dword [esp + 0x1c], ecx
lea eax, [ecx - 1]
cmp eax, 0x1d
ja case.0x4c36c6.7
movzx eax, byte [eax + 0x4c3c10]
jmp dword [eax*4 + 0x4c3be8]
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
sub eax, ecx
cmp eax, 1
je 0x4c36e3
xor edx, edx
jmp 0x4c3b07
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x6490e4]
add esp, 4
mov edx, eax
jmp 0x4c3b07
mov edi, dword [esp + 0x40]
mov eax, edi
mov edx, dword [esp + 0x3c]
sub eax, edx
jne 0x4c3719
xor edx, edx
jmp 0x4c3b07
cmp eax, 4
jbe 0x4c372f
push edi
push edx
call fcn.004c3f70
add esp, 8
mov edx, eax
jmp 0x4c3b07
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4c3735
push ecx
cmp ecx, 0xa
mov eax, 0x5cbde0
mov ecx, 0x63971a
cmovb eax, ecx
push eax
push str._s_lx
call fcn.004a29b0
add esp, 0xc
mov edx, eax
jmp 0x4c3b07
mov eax, dword [esp + 0x3c]
mov ecx, dword [esp + 0x40]
inc eax
cmp eax, ecx
jbe 0x4c377c
xor edx, edx
jmp 0x4c3b07
push ecx
push eax
call fcn.004c3f70
add esp, 8
mov edx, eax
jmp 0x4c3b07
push dword [esp + 0x40]
push dword [esp + 0x40]
call fcn.004c3f70
add esp, 8
mov edx, eax
jmp 0x4c3b07
push 0x63971a
call dword [0x6490e4]
add esp, 4
mov edx, eax
jmp 0x4c3b07
push 1
push dword [esp + 0x44]
push dword [esp + 0x44]
call fcn.004c27a0
add esp, 0xc
mov edx, eax
jmp 0x4c3b07
mov ebx, dword [esp + 0x3c]
mov ecx, ebx
mov edx, dword [esp + 0x40]
cmp ecx, edx
jae 0x4c37ed
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4c37ed
inc ecx
cmp ecx, edx
jb 0x4c37e0
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4c380d
sub eax, 2
je 0x4c3812
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4c3b0b
mov edi, 0x5d53d4
cmp ecx, edx
jb 0x4c3825
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4c3b0b
cmp byte [ecx], 0x5a
jne 0x4c3836
mov ecx, 0x5d53d8
mov edx, 0x5d53db
jmp 0x4c3837
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.004a29b0
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4c3b0b
mov ebp, dword [esp + 0x3c]
mov edi, 0x63971a
mov ebx, dword [esp + 0x40]
mov ecx, ebp
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x18], edi
cmp ecx, ebx
jae 0x4c38a0
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4c38a0
inc ecx
cmp ecx, ebx
jb 0x4c3893
mov eax, ecx
mov byte [esp + 0x11], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4c38da
sub eax, 1
je 0x4c38d1
sub eax, 1
je 0x4c38ca
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4c3b0b
mov al, byte [ecx - 2]
mov byte [esp + 0x11], al
mov al, byte [ecx - 1]
mov byte [esp + 0x12], al
jmp 0x4c38df
mov byte [esp + 0x12], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4c394a
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x1c]
je 0x4c38fd
cmp byte [esp + 0x13], 0x2c
jne 0x4c392f
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4c3911
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4c3911
cmp dl, 0x39
jle 0x4c3900
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4c392f
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4c392b
dec edi
sub edx, 1
jne 0x4c3920
mov edi, dword [esp + 0x18]
cmp eax, ebx
jae 0x4c394a
cmp byte [eax], 0x5a
jne 0x4c3944
mov eax, str._GMT
mov ebx, 0x5d53a4
jmp 0x4c394a
mov edi, 0x639b14
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x63971a
mov eax, 0x639950
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.004a29b0
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4c3b0b
mov ebx, dword [esp + 0x40]
add ecx, 0xfffffff4
mov edi, dword [esp + 0x3c]
mov ebp, 1
sub ebx, edi
mov dword [esp + 0x18], ebp
mov dword [esp + 0x14], 0
cmp ecx, 0x12
ja case.0x4c39cb.13
movzx eax, byte [ecx + 0x4c3c40]
jmp dword [eax*4 + 0x4c3c30]
mov ebp, 2
jmp 0x4c39de
mov ebp, 4
mov dword [esp + 0x18], ebp
xor edx, edx
mov eax, ebx
div ebp
test edx, edx
jne case.0x4c39cb.13
mov eax, ebx
div ebp
cmp eax, 0x3fffffff
ja case.0x4c39cb.13
lea eax, [eax*4 + 1]
push eax
call dword [0x6490d8]
mov ebp, eax
add esp, 4
test ebp, ebp
je case.0x4c39cb.13
cmp dword [esp + 0x1c], 0xc
jne 0x4c3a39
test ebx, ebx
je 0x4c3a30
push ebx
push edi
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov byte [ebx + ebp], 0
jmp 0x4c3afc
xor ebx, ebx
cmp edi, dword [esp + 0x40]
jae 0x4c3a30
mov ecx, dword [esp + 0x18]
xor eax, eax
sub ecx, 2
je 0x4c3a60
sub ecx, 2
jne 0x4c3a69
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 edx, 1
shl eax, 8
inc edi
or eax, ecx
cmp eax, 0x80
jb 0x4c3ad6
cmp eax, 0x800
jb 0x4c3ac1
cmp eax, 0x10000
jb 0x4c3aac
cmp eax, 0x200000
jae 0x4c3aeb
mov cl, al
mov edx, 2
and cl, 0x3f
or eax, 0x400000
or cl, 0x80
shr eax, 6
mov byte [ebx + ebp + 3], cl
mov cl, al
or eax, 0x20000
and cl, 0x3f
shr eax, 6
or cl, 0x80
inc edx
mov byte [ebx + ebp + 2], cl
mov cl, al
or eax, 0x3000
and cl, 0x3f
shr eax, 6
or cl, 0x80
inc edx
mov byte [ebx + ebp + 1], cl
mov byte [ebx + ebp], al
add ebx, edx
cmp edi, dword [esp + 0x40]
jb 0x4c3a41
mov byte [ebx + ebp], 0
jmp 0x4c3afc
push ebp
call dword [0x6490dc]
add esp, 4
mov ebp, dword [esp + 0x14]
or ebx, 0xffffffff
xor edx, edx
test ebx, ebx
mov ebx, dword [esp + 0x70]
cmovns edx, ebp
mov dword [esp + 0x14], edx
test edx, edx
je case.0x4c36c6.7
cmp byte [edx], 0
mov ecx, edx
je 0x4c3b34
mov edx, dword [esp + 0x6c]
nop word [eax + eax]
cmp esi, ebx
jae 0x4c3b29
mov al, byte [ecx]
mov byte [esi + edx], al
inc ecx
inc esi
cmp byte [ecx], 0
jne 0x4c3b20
mov edx, dword [esp + 0x14]
push edx
call dword [0x6490dc]
mov eax, dword [esp + 0x24]
add esp, 4
mov ecx, dword [esp + 0x50]
mov ebp, 0x63971a
cmp eax, ecx
jb 0x4c3141
mov edx, dword [esp + 0x24]
mov eax, dword [esp + 0x74]
mov eax, dword [eax + 8]
cmp edx, eax
jb 0x4c3114
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