Function at 0x4f4f80
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 0x4f59f6
mov ebx, dword [esp + 0x70]
mov ebp, 0x66c6ba
push eax
push edx
lea eax, [esp + 0x50]
push eax
call fcn.004f5d20
mov edx, eax
add esp, 0xc
mov dword [esp + 0x24], edx
test edx, edx
je case.0x4f5556.7
mov eax, dword [esp + 0x4c]
mov ecx, dword [esp + 0x50]
cmp eax, ecx
jae 0x4f59e7
push ecx
push eax
lea eax, [esp + 0x60]
push eax
call fcn.004f5d20
add esp, 0xc
mov dword [esp + 0x20], eax
test eax, eax
je case.0x4f5556.7
mov edi, dword [esp + 0x60]
lea eax, [esp + 0x28]
push edi
push dword [esp + 0x60]
push eax
call fcn.004f5d20
add esp, 0xc
test eax, eax
je case.0x4f5556.7
push edi
push eax
lea eax, [esp + 0x40]
push eax
call fcn.004f5d20
add esp, 0xc
test eax, eax
je case.0x4f5556.7
cmp byte [esp + 0x36], 0
jne case.0x4f5556.7
movzx ecx, byte [esp + 0x35]
mov dword [esp + 0x1c], ecx
lea eax, [ecx - 1]
cmp eax, 0x1d
ja case.0x4f5556.7
movzx eax, byte [eax + 0x4f5a34]
jmp dword [eax*4 + 0x4f5a0c]
mov eax, dword [esp + 0x30]
mov ecx, dword [esp + 0x2c]
sub eax, ecx
cmp eax, 1
je 0x4f5065
xor ebp, ebp
jmp 0x4f548c
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x67e0e4]
add esp, 4
mov ebp, eax
jmp 0x4f548c
mov edi, dword [esp + 0x30]
mov eax, edi
mov edx, dword [esp + 0x2c]
sub eax, edx
jne 0x4f509b
xor ebp, ebp
jmp 0x4f548c
cmp eax, 4
jbe 0x4f50b1
push edi
push edx
call fcn.004f5e00
add esp, 8
mov ebp, eax
jmp 0x4f548c
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4f50b7
cmp ecx, 0xa
mov eax, 0x5fedf8
push ecx
cmovb eax, ebp
push eax
push str._s_lx
call fcn.004d4870
add esp, 0xc
mov ebp, eax
jmp 0x4f548c
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x30]
inc eax
cmp eax, ecx
jbe 0x4f50f9
xor ebp, ebp
jmp 0x4f548c
push ecx
push eax
call fcn.004f5e00
add esp, 8
mov ebp, eax
jmp 0x4f548c
push dword [esp + 0x30]
push dword [esp + 0x30]
call fcn.004f5e00
add esp, 8
mov ebp, eax
jmp 0x4f548c
push 0x66c6ba
call dword [0x67e0e4]
add esp, 4
mov ebp, eax
jmp 0x4f548c
push 1
push dword [esp + 0x34]
push dword [esp + 0x34]
call fcn.004f4630
add esp, 0xc
mov ebp, eax
jmp 0x4f548c
mov ebx, dword [esp + 0x2c]
mov ecx, ebx
mov edx, dword [esp + 0x30]
cmp ecx, edx
jae 0x4f516d
nop dword [eax]
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4f516d
inc ecx
cmp ecx, edx
jb 0x4f5160
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4f518d
sub eax, 2
je 0x4f5192
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4f5490
mov edi, 0x6083c0
cmp ecx, edx
jb 0x4f51a5
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4f5490
cmp byte [ecx], 0x5a
jne 0x4f51b6
mov ecx, 0x6083c4
mov edx, 0x6083c7
jmp 0x4f51b7
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.004d4870
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4f5490
mov ebp, dword [esp + 0x2c]
mov edi, 0x66c6ba
mov ebx, dword [esp + 0x30]
mov ecx, ebp
mov dword [esp + 0x18], ebx
mov dword [esp + 0x14], edi
cmp ecx, ebx
jae 0x4f5220
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4f5220
inc ecx
cmp ecx, ebx
jb 0x4f5213
mov eax, ecx
mov byte [esp + 0x12], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4f525a
sub eax, 1
je 0x4f5251
sub eax, 1
je 0x4f524a
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4f5490
mov al, byte [ecx - 2]
mov byte [esp + 0x12], al
mov al, byte [ecx - 1]
mov byte [esp + 0x11], al
jmp 0x4f525f
mov byte [esp + 0x11], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4f52ca
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x18]
je 0x4f527d
cmp byte [esp + 0x13], 0x2c
jne 0x4f52af
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4f5291
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4f5291
cmp dl, 0x39
jle 0x4f5280
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4f52af
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4f52ab
dec edi
sub edx, 1
jne 0x4f52a0
mov edi, dword [esp + 0x14]
cmp eax, ebx
jae 0x4f52ca
cmp byte [eax], 0x5a
jne 0x4f52c4
mov eax, str._GMT
mov ebx, 0x608390
jmp 0x4f52ca
mov edi, 0x670d58
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x66c6ba
mov eax, 0x671100
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.004d4870
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4f5490
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.0x4f534b.13
movzx eax, byte [ecx + 0x4f5a64]
jmp dword [eax*4 + 0x4f5a54]
mov ebp, 2
jmp 0x4f535e
mov ebp, 4
mov dword [esp + 0x18], ebp
xor edx, edx
mov eax, ebx
div ebp
test edx, edx
jne case.0x4f534b.13
mov eax, ebx
div ebp
cmp eax, 0x3fffffff
ja case.0x4f534b.13
lea eax, [eax*4 + 1]
push eax
call dword [0x67e0d8]
mov ebp, eax
add esp, 4
test ebp, ebp
je case.0x4f534b.13
cmp dword [esp + 0x1c], 0xc
jne 0x4f53bb
test ebx, ebx
je 0x4f53b0
push ebx
push edi
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov byte [ebx + ebp], 0
mov eax, ebp
jmp 0x4f5481
xor ebx, ebx
cmp edi, dword [esp + 0x30]
jae 0x4f53b0
mov eax, dword [esp + 0x18]
xor ecx, ecx
sub eax, 2
je 0x4f53e2
sub eax, 2
jne 0x4f53eb
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 0x4f5459
cmp ecx, 0x800
jb 0x4f5445
cmp ecx, 0x10000
jb 0x4f5431
cmp ecx, 0x200000
jae 0x4f5470
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 0x4f53c3
mov byte [ebx + ebp], 0
mov eax, ebp
jmp 0x4f5481
push ebp
call dword [0x67e0dc]
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.0x4f5556.7
test esi, esi
je 0x4f54f5
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 0x4f54c2
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 0x4f54b0
cmp byte [edi], 0
jne 0x4f54d3
sub edi, ebp
mov ecx, 0x66cb94
cmp edi, 2
jle 0x4f54d8
mov ecx, 0x671784
mov ebp, dword [esp + 0x6c]
sub ecx, esi
nop
cmp esi, ebx
jae 0x4f54ea
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4f54e0
mov ebp, dword [esp + 0x14]
cmp byte [ebp], 0
je 0x4f5518
mov ecx, ebp
mov ebp, dword [esp + 0x6c]
sub ecx, esi
cmp esi, ebx
jae 0x4f550d
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4f5503
mov ebp, dword [esp + 0x14]
push ebp
call dword [0x67e0dc]
add esp, 4
cmp esi, ebx
jae 0x4f552e
mov eax, dword [esp + 0x6c]
mov byte [esi + eax], 0x3d
inc esi
cmp byte [esp + 0x46], 0
jne case.0x4f5556.7
movzx ecx, byte [esp + 0x45]
mov dword [esp + 0x1c], ecx
lea eax, [ecx - 1]
cmp eax, 0x1d
ja case.0x4f5556.7
movzx eax, byte [eax + 0x4f5aa0]
jmp dword [eax*4 + 0x4f5a78]
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
sub eax, ecx
cmp eax, 1
je 0x4f5573
xor edx, edx
jmp 0x4f5997
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x67e0e4]
add esp, 4
mov edx, eax
jmp 0x4f5997
mov edi, dword [esp + 0x40]
mov eax, edi
mov edx, dword [esp + 0x3c]
sub eax, edx
jne 0x4f55a9
xor edx, edx
jmp 0x4f5997
cmp eax, 4
jbe 0x4f55bf
push edi
push edx
call fcn.004f5e00
add esp, 8
mov edx, eax
jmp 0x4f5997
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4f55c5
push ecx
cmp ecx, 0xa
mov eax, 0x5fedf8
mov ecx, 0x66c6ba
cmovb eax, ecx
push eax
push str._s_lx
call fcn.004d4870
add esp, 0xc
mov edx, eax
jmp 0x4f5997
mov eax, dword [esp + 0x3c]
mov ecx, dword [esp + 0x40]
inc eax
cmp eax, ecx
jbe 0x4f560c
xor edx, edx
jmp 0x4f5997
push ecx
push eax
call fcn.004f5e00
add esp, 8
mov edx, eax
jmp 0x4f5997
push dword [esp + 0x40]
push dword [esp + 0x40]
call fcn.004f5e00
add esp, 8
mov edx, eax
jmp 0x4f5997
push 0x66c6ba
call dword [0x67e0e4]
add esp, 4
mov edx, eax
jmp 0x4f5997
push 1
push dword [esp + 0x44]
push dword [esp + 0x44]
call fcn.004f4630
add esp, 0xc
mov edx, eax
jmp 0x4f5997
mov ebx, dword [esp + 0x3c]
mov ecx, ebx
mov edx, dword [esp + 0x40]
cmp ecx, edx
jae 0x4f567d
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4f567d
inc ecx
cmp ecx, edx
jb 0x4f5670
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4f569d
sub eax, 2
je 0x4f56a2
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4f599b
mov edi, 0x6083c0
cmp ecx, edx
jb 0x4f56b5
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4f599b
cmp byte [ecx], 0x5a
jne 0x4f56c6
mov ecx, 0x6083c4
mov edx, 0x6083c7
jmp 0x4f56c7
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.004d4870
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4f599b
mov ebp, dword [esp + 0x3c]
mov edi, 0x66c6ba
mov ebx, dword [esp + 0x40]
mov ecx, ebp
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x18], edi
cmp ecx, ebx
jae 0x4f5730
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4f5730
inc ecx
cmp ecx, ebx
jb 0x4f5723
mov eax, ecx
mov byte [esp + 0x11], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4f576a
sub eax, 1
je 0x4f5761
sub eax, 1
je 0x4f575a
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4f599b
mov al, byte [ecx - 2]
mov byte [esp + 0x11], al
mov al, byte [ecx - 1]
mov byte [esp + 0x12], al
jmp 0x4f576f
mov byte [esp + 0x12], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4f57da
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x1c]
je 0x4f578d
cmp byte [esp + 0x13], 0x2c
jne 0x4f57bf
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4f57a1
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4f57a1
cmp dl, 0x39
jle 0x4f5790
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4f57bf
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4f57bb
dec edi
sub edx, 1
jne 0x4f57b0
mov edi, dword [esp + 0x18]
cmp eax, ebx
jae 0x4f57da
cmp byte [eax], 0x5a
jne 0x4f57d4
mov eax, str._GMT
mov ebx, 0x608390
jmp 0x4f57da
mov edi, 0x670d58
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x66c6ba
mov eax, 0x671100
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.004d4870
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4f599b
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.0x4f585b.13
movzx eax, byte [ecx + 0x4f5ad0]
jmp dword [eax*4 + 0x4f5ac0]
mov ebp, 2
jmp 0x4f586e
mov ebp, 4
mov dword [esp + 0x18], ebp
xor edx, edx
mov eax, ebx
div ebp
test edx, edx
jne case.0x4f585b.13
mov eax, ebx
div ebp
cmp eax, 0x3fffffff
ja case.0x4f585b.13
lea eax, [eax*4 + 1]
push eax
call dword [0x67e0d8]
mov ebp, eax
add esp, 4
test ebp, ebp
je case.0x4f585b.13
cmp dword [esp + 0x1c], 0xc
jne 0x4f58c9
test ebx, ebx
je 0x4f58c0
push ebx
push edi
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov byte [ebx + ebp], 0
jmp 0x4f598c
xor ebx, ebx
cmp edi, dword [esp + 0x40]
jae 0x4f58c0
mov ecx, dword [esp + 0x18]
xor eax, eax
sub ecx, 2
je 0x4f58f0
sub ecx, 2
jne 0x4f58f9
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 0x4f5966
cmp eax, 0x800
jb 0x4f5951
cmp eax, 0x10000
jb 0x4f593c
cmp eax, 0x200000
jae 0x4f597b
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 0x4f58d1
mov byte [ebx + ebp], 0
jmp 0x4f598c
push ebp
call dword [0x67e0dc]
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.0x4f5556.7
cmp byte [edx], 0
mov ecx, edx
je 0x4f59c4
mov edx, dword [esp + 0x6c]
nop word [eax + eax]
cmp esi, ebx
jae 0x4f59b9
mov al, byte [ecx]
mov byte [esi + edx], al
inc ecx
inc esi
cmp byte [ecx], 0
jne 0x4f59b0
mov edx, dword [esp + 0x14]
push edx
call dword [0x67e0dc]
mov eax, dword [esp + 0x24]
add esp, 4
mov ecx, dword [esp + 0x50]
mov ebp, 0x66c6ba
cmp eax, ecx
jb 0x4f4fd1
mov edx, dword [esp + 0x24]
mov eax, dword [esp + 0x74]
mov eax, dword [eax + 8]
cmp edx, eax
jb 0x4f4fa4
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