Function at 0x4c7fa0
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 0x4c8a16
mov ebx, dword [esp + 0x70]
mov ebp, 0x63f7d5
push eax
push edx
lea eax, [esp + 0x50]
push eax
call fcn.004c8d40
mov edx, eax
add esp, 0xc
mov dword [esp + 0x24], edx
test edx, edx
je case.0x4c8576.7
mov eax, dword [esp + 0x4c]
mov ecx, dword [esp + 0x50]
cmp eax, ecx
jae 0x4c8a07
push ecx
push eax
lea eax, [esp + 0x60]
push eax
call fcn.004c8d40
add esp, 0xc
mov dword [esp + 0x20], eax
test eax, eax
je case.0x4c8576.7
mov edi, dword [esp + 0x60]
lea eax, [esp + 0x28]
push edi
push dword [esp + 0x60]
push eax
call fcn.004c8d40
add esp, 0xc
test eax, eax
je case.0x4c8576.7
push edi
push eax
lea eax, [esp + 0x40]
push eax
call fcn.004c8d40
add esp, 0xc
test eax, eax
je case.0x4c8576.7
cmp byte [esp + 0x36], 0
jne case.0x4c8576.7
movzx ecx, byte [esp + 0x35]
mov dword [esp + 0x1c], ecx
lea eax, [ecx - 1]
cmp eax, 0x1d
ja case.0x4c8576.7
movzx eax, byte [eax + 0x4c8a54]
jmp dword [eax*4 + 0x4c8a2c]
mov eax, dword [esp + 0x30]
mov ecx, dword [esp + 0x2c]
sub eax, ecx
cmp eax, 1
je 0x4c8085
xor ebp, ebp
jmp 0x4c84ac
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x6550e4]
add esp, 4
mov ebp, eax
jmp 0x4c84ac
mov edi, dword [esp + 0x30]
mov eax, edi
mov edx, dword [esp + 0x2c]
sub eax, edx
jne 0x4c80bb
xor ebp, ebp
jmp 0x4c84ac
cmp eax, 4
jbe 0x4c80d1
push edi
push edx
call fcn.004c8e20
add esp, 8
mov ebp, eax
jmp 0x4c84ac
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4c80d7
cmp ecx, 0xa
mov eax, 0x5d1e80
push ecx
cmovb eax, ebp
push eax
push str._s_lx
call fcn.004a7880
add esp, 0xc
mov ebp, eax
jmp 0x4c84ac
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x30]
inc eax
cmp eax, ecx
jbe 0x4c8119
xor ebp, ebp
jmp 0x4c84ac
push ecx
push eax
call fcn.004c8e20
add esp, 8
mov ebp, eax
jmp 0x4c84ac
push dword [esp + 0x30]
push dword [esp + 0x30]
call fcn.004c8e20
add esp, 8
mov ebp, eax
jmp 0x4c84ac
push 0x63f7d5
call dword [0x6550e4]
add esp, 4
mov ebp, eax
jmp 0x4c84ac
push 1
push dword [esp + 0x34]
push dword [esp + 0x34]
call fcn.004c7650
add esp, 0xc
mov ebp, eax
jmp 0x4c84ac
mov ebx, dword [esp + 0x2c]
mov ecx, ebx
mov edx, dword [esp + 0x30]
cmp ecx, edx
jae 0x4c818d
nop dword [eax]
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4c818d
inc ecx
cmp ecx, edx
jb 0x4c8180
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4c81ad
sub eax, 2
je 0x4c81b2
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4c84b0
mov edi, 0x5db490
cmp ecx, edx
jb 0x4c81c5
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4c84b0
cmp byte [ecx], 0x5a
jne 0x4c81d6
mov ecx, 0x5db494
mov edx, 0x5db497
jmp 0x4c81d7
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.004a7880
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4c84b0
mov ebp, dword [esp + 0x2c]
mov edi, 0x63f7d5
mov ebx, dword [esp + 0x30]
mov ecx, ebp
mov dword [esp + 0x18], ebx
mov dword [esp + 0x14], edi
cmp ecx, ebx
jae 0x4c8240
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4c8240
inc ecx
cmp ecx, ebx
jb 0x4c8233
mov eax, ecx
mov byte [esp + 0x12], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4c827a
sub eax, 1
je 0x4c8271
sub eax, 1
je 0x4c826a
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4c84b0
mov al, byte [ecx - 2]
mov byte [esp + 0x12], al
mov al, byte [ecx - 1]
mov byte [esp + 0x11], al
jmp 0x4c827f
mov byte [esp + 0x11], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4c82ea
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x18]
je 0x4c829d
cmp byte [esp + 0x13], 0x2c
jne 0x4c82cf
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4c82b1
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4c82b1
cmp dl, 0x39
jle 0x4c82a0
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4c82cf
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4c82cb
dec edi
sub edx, 1
jne 0x4c82c0
mov edi, dword [esp + 0x14]
cmp eax, ebx
jae 0x4c82ea
cmp byte [eax], 0x5a
jne 0x4c82e4
mov eax, str._GMT
mov ebx, 0x5db460
jmp 0x4c82ea
mov edi, 0x641778
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x63f7d5
mov eax, 0x63fa00
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.004a7880
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4c84b0
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.0x4c836b.13
movzx eax, byte [ecx + 0x4c8a84]
jmp dword [eax*4 + 0x4c8a74]
mov ebp, 2
jmp 0x4c837e
mov ebp, 4
mov dword [esp + 0x18], ebp
xor edx, edx
mov eax, ebx
div ebp
test edx, edx
jne case.0x4c836b.13
mov eax, ebx
div ebp
cmp eax, 0x3fffffff
ja case.0x4c836b.13
lea eax, [eax*4 + 1]
push eax
call dword [0x6550d8]
mov ebp, eax
add esp, 4
test ebp, ebp
je case.0x4c836b.13
cmp dword [esp + 0x1c], 0xc
jne 0x4c83db
test ebx, ebx
je 0x4c83d0
push ebx
push edi
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov byte [ebx + ebp], 0
mov eax, ebp
jmp 0x4c84a1
xor ebx, ebx
cmp edi, dword [esp + 0x30]
jae 0x4c83d0
mov eax, dword [esp + 0x18]
xor ecx, ecx
sub eax, 2
je 0x4c8402
sub eax, 2
jne 0x4c840b
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 0x4c8479
cmp ecx, 0x800
jb 0x4c8465
cmp ecx, 0x10000
jb 0x4c8451
cmp ecx, 0x200000
jae 0x4c8490
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 0x4c83e3
mov byte [ebx + ebp], 0
mov eax, ebp
jmp 0x4c84a1
push ebp
call dword [0x6550dc]
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.0x4c8576.7
test esi, esi
je 0x4c8515
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 0x4c84e2
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 0x4c84d0
cmp byte [edi], 0
jne 0x4c84f3
sub edi, ebp
mov ecx, 0x5d4690
cmp edi, 2
jle 0x4c84f8
mov ecx, 0x641f88
mov ebp, dword [esp + 0x6c]
sub ecx, esi
nop
cmp esi, ebx
jae 0x4c850a
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4c8500
mov ebp, dword [esp + 0x14]
cmp byte [ebp], 0
je 0x4c8538
mov ecx, ebp
mov ebp, dword [esp + 0x6c]
sub ecx, esi
cmp esi, ebx
jae 0x4c852d
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4c8523
mov ebp, dword [esp + 0x14]
push ebp
call dword [0x6550dc]
add esp, 4
cmp esi, ebx
jae 0x4c854e
mov eax, dword [esp + 0x6c]
mov byte [esi + eax], 0x3d
inc esi
cmp byte [esp + 0x46], 0
jne case.0x4c8576.7
movzx ecx, byte [esp + 0x45]
mov dword [esp + 0x1c], ecx
lea eax, [ecx - 1]
cmp eax, 0x1d
ja case.0x4c8576.7
movzx eax, byte [eax + 0x4c8ac0]
jmp dword [eax*4 + 0x4c8a98]
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
sub eax, ecx
cmp eax, 1
je 0x4c8593
xor edx, edx
jmp 0x4c89b7
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x6550e4]
add esp, 4
mov edx, eax
jmp 0x4c89b7
mov edi, dword [esp + 0x40]
mov eax, edi
mov edx, dword [esp + 0x3c]
sub eax, edx
jne 0x4c85c9
xor edx, edx
jmp 0x4c89b7
cmp eax, 4
jbe 0x4c85df
push edi
push edx
call fcn.004c8e20
add esp, 8
mov edx, eax
jmp 0x4c89b7
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4c85e5
push ecx
cmp ecx, 0xa
mov eax, 0x5d1e80
mov ecx, 0x63f7d5
cmovb eax, ecx
push eax
push str._s_lx
call fcn.004a7880
add esp, 0xc
mov edx, eax
jmp 0x4c89b7
mov eax, dword [esp + 0x3c]
mov ecx, dword [esp + 0x40]
inc eax
cmp eax, ecx
jbe 0x4c862c
xor edx, edx
jmp 0x4c89b7
push ecx
push eax
call fcn.004c8e20
add esp, 8
mov edx, eax
jmp 0x4c89b7
push dword [esp + 0x40]
push dword [esp + 0x40]
call fcn.004c8e20
add esp, 8
mov edx, eax
jmp 0x4c89b7
push 0x63f7d5
call dword [0x6550e4]
add esp, 4
mov edx, eax
jmp 0x4c89b7
push 1
push dword [esp + 0x44]
push dword [esp + 0x44]
call fcn.004c7650
add esp, 0xc
mov edx, eax
jmp 0x4c89b7
mov ebx, dword [esp + 0x3c]
mov ecx, ebx
mov edx, dword [esp + 0x40]
cmp ecx, edx
jae 0x4c869d
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4c869d
inc ecx
cmp ecx, edx
jb 0x4c8690
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4c86bd
sub eax, 2
je 0x4c86c2
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4c89bb
mov edi, 0x5db490
cmp ecx, edx
jb 0x4c86d5
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4c89bb
cmp byte [ecx], 0x5a
jne 0x4c86e6
mov ecx, 0x5db494
mov edx, 0x5db497
jmp 0x4c86e7
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.004a7880
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4c89bb
mov ebp, dword [esp + 0x3c]
mov edi, 0x63f7d5
mov ebx, dword [esp + 0x40]
mov ecx, ebp
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x18], edi
cmp ecx, ebx
jae 0x4c8750
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4c8750
inc ecx
cmp ecx, ebx
jb 0x4c8743
mov eax, ecx
mov byte [esp + 0x11], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4c878a
sub eax, 1
je 0x4c8781
sub eax, 1
je 0x4c877a
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4c89bb
mov al, byte [ecx - 2]
mov byte [esp + 0x11], al
mov al, byte [ecx - 1]
mov byte [esp + 0x12], al
jmp 0x4c878f
mov byte [esp + 0x12], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4c87fa
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x1c]
je 0x4c87ad
cmp byte [esp + 0x13], 0x2c
jne 0x4c87df
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4c87c1
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4c87c1
cmp dl, 0x39
jle 0x4c87b0
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4c87df
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4c87db
dec edi
sub edx, 1
jne 0x4c87d0
mov edi, dword [esp + 0x18]
cmp eax, ebx
jae 0x4c87fa
cmp byte [eax], 0x5a
jne 0x4c87f4
mov eax, str._GMT
mov ebx, 0x5db460
jmp 0x4c87fa
mov edi, 0x641778
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x63f7d5
mov eax, 0x63fa00
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.004a7880
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4c89bb
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.0x4c887b.13
movzx eax, byte [ecx + 0x4c8af0]
jmp dword [eax*4 + 0x4c8ae0]
mov ebp, 2
jmp 0x4c888e
mov ebp, 4
mov dword [esp + 0x18], ebp
xor edx, edx
mov eax, ebx
div ebp
test edx, edx
jne case.0x4c887b.13
mov eax, ebx
div ebp
cmp eax, 0x3fffffff
ja case.0x4c887b.13
lea eax, [eax*4 + 1]
push eax
call dword [0x6550d8]
mov ebp, eax
add esp, 4
test ebp, ebp
je case.0x4c887b.13
cmp dword [esp + 0x1c], 0xc
jne 0x4c88e9
test ebx, ebx
je 0x4c88e0
push ebx
push edi
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov byte [ebx + ebp], 0
jmp 0x4c89ac
xor ebx, ebx
cmp edi, dword [esp + 0x40]
jae 0x4c88e0
mov ecx, dword [esp + 0x18]
xor eax, eax
sub ecx, 2
je 0x4c8910
sub ecx, 2
jne 0x4c8919
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 0x4c8986
cmp eax, 0x800
jb 0x4c8971
cmp eax, 0x10000
jb 0x4c895c
cmp eax, 0x200000
jae 0x4c899b
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 0x4c88f1
mov byte [ebx + ebp], 0
jmp 0x4c89ac
push ebp
call dword [0x6550dc]
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.0x4c8576.7
cmp byte [edx], 0
mov ecx, edx
je 0x4c89e4
mov edx, dword [esp + 0x6c]
nop word [eax + eax]
cmp esi, ebx
jae 0x4c89d9
mov al, byte [ecx]
mov byte [esi + edx], al
inc ecx
inc esi
cmp byte [ecx], 0
jne 0x4c89d0
mov edx, dword [esp + 0x14]
push edx
call dword [0x6550dc]
mov eax, dword [esp + 0x24]
add esp, 4
mov ecx, dword [esp + 0x50]
mov ebp, 0x63f7d5
cmp eax, ecx
jb 0x4c7ff1
mov edx, dword [esp + 0x24]
mov eax, dword [esp + 0x74]
mov eax, dword [eax + 8]
cmp edx, eax
jb 0x4c7fc4
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