Function at 0x4b1980
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 0x4b2421
mov ebx, dword [esp + 0x70]
nop
push eax
push edx
lea eax, [esp + 0x50]
push eax
call fcn.004b2740
mov edx, eax
add esp, 0xc
mov dword [esp + 0x24], edx
test edx, edx
je case.0x4b1f62.7
mov eax, dword [esp + 0x4c]
mov ecx, dword [esp + 0x50]
cmp eax, ecx
jae 0x4b2412
nop dword [eax]
push ecx
push eax
lea eax, [esp + 0x60]
push eax
call fcn.004b2740
add esp, 0xc
mov dword [esp + 0x20], eax
test eax, eax
je case.0x4b1f62.7
mov edi, dword [esp + 0x60]
lea eax, [esp + 0x28]
push edi
push dword [esp + 0x60]
push eax
call fcn.004b2740
add esp, 0xc
test eax, eax
je case.0x4b1f62.7
push edi
push eax
lea eax, [esp + 0x40]
push eax
call fcn.004b2740
add esp, 0xc
test eax, eax
je case.0x4b1f62.7
cmp byte [esp + 0x36], 0
jne case.0x4b1f62.7
movzx ebp, byte [esp + 0x35]
lea eax, [ebp - 1]
cmp eax, 0x1d
ja case.0x4b1f62.7
movzx eax, byte [eax + 0x4b2460]
jmp dword [eax*4 + 0x4b2438]
mov eax, dword [esp + 0x30]
mov ecx, dword [esp + 0x2c]
sub eax, ecx
cmp eax, 1
je 0x4b1a60
xor ebp, ebp
jmp 0x4b1e9f
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x53037c]
add esp, 4
mov ebp, eax
jmp 0x4b1e9f
mov edi, dword [esp + 0x30]
mov eax, edi
mov edx, dword [esp + 0x2c]
sub eax, edx
jne 0x4b1a96
xor ebp, ebp
jmp 0x4b1e9f
cmp eax, 4
jbe 0x4b1aac
push edi
push edx
call fcn.004b2820
add esp, 8
mov ebp, eax
jmp 0x4b1e9f
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4b1ab2
push ecx
cmp ecx, 0xa
mov eax, 0x500d4c
mov ecx, 0x50ae7e
cmovb eax, ecx
push eax
push str._s_lx
call fcn.004815e0
add esp, 0xc
mov ebp, eax
jmp 0x4b1e9f
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x30]
inc eax
cmp eax, ecx
jbe 0x4b1af9
xor ebp, ebp
jmp 0x4b1e9f
push ecx
push eax
call fcn.004b2820
add esp, 8
mov ebp, eax
jmp 0x4b1e9f
push dword [esp + 0x30]
push dword [esp + 0x30]
call fcn.004b2820
add esp, 8
mov ebp, eax
jmp 0x4b1e9f
push 0x50ae7e
call dword [0x53037c]
add esp, 4
mov ebp, eax
jmp 0x4b1e9f
push 1
push dword [esp + 0x34]
push dword [esp + 0x34]
call fcn.004b1020
add esp, 0xc
mov ebp, eax
jmp 0x4b1e9f
mov ebx, dword [esp + 0x2c]
mov ecx, ebx
mov edx, dword [esp + 0x30]
cmp ecx, edx
jae 0x4b1b6d
nop dword [eax]
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4b1b6d
inc ecx
cmp ecx, edx
jb 0x4b1b60
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4b1b8d
sub eax, 2
je 0x4b1b92
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4b1ea3
mov edi, 0x500d8c
cmp ecx, edx
jb 0x4b1ba5
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4b1ea3
cmp byte [ecx], 0x5a
jne 0x4b1bb6
mov ecx, 0x500d90
mov edx, 0x500d93
jmp 0x4b1bb7
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.004815e0
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4b1ea3
mov ebp, dword [esp + 0x2c]
mov edi, 0x50ae7e
mov ebx, dword [esp + 0x30]
mov ecx, ebp
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x18], edi
cmp ecx, ebx
jae 0x4b1c20
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4b1c20
inc ecx
cmp ecx, ebx
jb 0x4b1c13
mov eax, ecx
mov byte [esp + 0x12], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4b1c5a
sub eax, 1
je 0x4b1c51
sub eax, 1
je 0x4b1c4a
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x4b1ea3
mov al, byte [ecx - 2]
mov byte [esp + 0x12], al
mov al, byte [ecx - 1]
mov byte [esp + 0x11], al
jmp 0x4b1c5f
mov byte [esp + 0x11], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4b1cca
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x1c]
je 0x4b1c7d
cmp byte [esp + 0x13], 0x2c
jne 0x4b1caf
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4b1c91
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4b1c91
cmp dl, 0x39
jle 0x4b1c80
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4b1caf
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4b1cab
dec edi
sub edx, 1
jne 0x4b1ca0
mov edi, dword [esp + 0x18]
cmp eax, ebx
jae 0x4b1cca
cmp byte [eax], 0x5a
jne 0x4b1cc4
mov eax, str._GMT
mov ebx, 0x500d5c
jmp 0x4b1cca
mov edi, 0x4eb670
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x50ae7e
mov eax, 0x50ae80
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.004815e0
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x4b1ea3
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.0x4b1d4b.13
movzx eax, byte [eax + 0x4b2490]
jmp dword [eax*4 + 0x4b2480]
mov ecx, 2
jmp 0x4b1d5e
mov ecx, 4
mov dword [esp + 0x18], ecx
xor edx, edx
mov eax, ebx
div ecx
test edx, edx
jne case.0x4b1d4b.13
mov eax, ebx
div ecx
cmp eax, 0x3fffffff
ja case.0x4b1d4b.13
lea eax, [eax*4 + 1]
push eax
call dword [0x530370]
mov edx, eax
add esp, 4
mov dword [esp + 0x1c], edx
test edx, edx
je case.0x4b1d4b.13
cmp ebp, 0xc
jne 0x4b1dbf
test ebx, ebx
je 0x4b1db6
push ebx
push edi
push edx
call fcn.004bd490
add esp, 0xc
mov edx, dword [esp + 0x1c]
mov byte [ebx + edx], 0
jmp 0x4b1e94
xor ebx, ebx
cmp edi, dword [esp + 0x30]
jae 0x4b1db6
mov eax, dword [esp + 0x18]
xor ecx, ecx
sub eax, 2
je 0x4b1de6
sub eax, 2
jne 0x4b1def
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 0x4b1e6a
cmp ecx, 0x800
jb 0x4b1e53
cmp ecx, 0x10000
jb 0x4b1e38
cmp ecx, 0x200000
jae 0x4b1e83
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 0x4b1e3f
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 0x4b1e55
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 0x4b1e6c
add edx, ebx
add ebx, ebp
mov byte [edx], cl
cmp edi, dword [esp + 0x30]
jae 0x4b1db2
mov edx, dword [esp + 0x1c]
jmp 0x4b1dc7
push edx
call dword [0x530374]
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.0x4b1f62.7
test esi, esi
je 0x4b1f05
movsx eax, byte [ebp]
mov edi, ebp
push eax
call fcn.004cdd80
add esp, 4
test eax, eax
je 0x4b1ed4
movsx eax, byte [edi + 1]
inc edi
push eax
call fcn.004cdd80
add esp, 4
test eax, eax
jne 0x4b1ec2
cmp byte [edi], 0
jne 0x4b1ee5
sub edi, ebp
mov ecx, 0x4f62a8
cmp edi, 2
jle 0x4b1eea
mov ecx, 0x4f5a4c
mov ebp, dword [esp + 0x6c]
sub ecx, esi
cmp esi, ebx
jae 0x4b1efa
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4b1ef0
mov ebp, dword [esp + 0x14]
cmp byte [ebp], 0
je 0x4b1f28
mov ecx, ebp
mov ebp, dword [esp + 0x6c]
sub ecx, esi
cmp esi, ebx
jae 0x4b1f1d
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x4b1f13
mov ebp, dword [esp + 0x14]
push ebp
call dword [0x530374]
add esp, 4
cmp esi, ebx
jae 0x4b1f3e
mov eax, dword [esp + 0x6c]
mov byte [esi + eax], 0x3d
inc esi
cmp byte [esp + 0x46], 0
jne case.0x4b1f62.7
movzx ebp, byte [esp + 0x45]
lea eax, [ebp - 1]
cmp eax, 0x1d
ja case.0x4b1f62.7
movzx eax, byte [eax + 0x4b24cc]
jmp dword [eax*4 + 0x4b24a4]
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
sub eax, ecx
cmp eax, 1
je 0x4b1f7f
xor edx, edx
jmp 0x4b23c7
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x53037c]
add esp, 4
mov edx, eax
jmp 0x4b23c7
mov edi, dword [esp + 0x40]
mov eax, edi
mov edx, dword [esp + 0x3c]
sub eax, edx
jne 0x4b1fb5
xor edx, edx
jmp 0x4b23c7
cmp eax, 4
jbe 0x4b1fcb
push edi
push edx
call fcn.004b2820
add esp, 8
mov edx, eax
jmp 0x4b23c7
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x4b1fd1
push ecx
cmp ecx, 0xa
mov eax, 0x500d4c
mov ecx, 0x50ae7e
cmovb eax, ecx
push eax
push str._s_lx
call fcn.004815e0
add esp, 0xc
mov edx, eax
jmp 0x4b23c7
mov eax, dword [esp + 0x3c]
mov ecx, dword [esp + 0x40]
inc eax
cmp eax, ecx
jbe 0x4b2018
xor edx, edx
jmp 0x4b23c7
push ecx
push eax
call fcn.004b2820
add esp, 8
mov edx, eax
jmp 0x4b23c7
push dword [esp + 0x40]
push dword [esp + 0x40]
call fcn.004b2820
add esp, 8
mov edx, eax
jmp 0x4b23c7
push 0x50ae7e
call dword [0x53037c]
add esp, 4
mov edx, eax
jmp 0x4b23c7
push 1
push dword [esp + 0x44]
push dword [esp + 0x44]
call fcn.004b1020
add esp, 0xc
mov edx, eax
jmp 0x4b23c7
mov ebx, dword [esp + 0x3c]
mov ecx, ebx
mov edx, dword [esp + 0x40]
cmp ecx, edx
jae 0x4b208d
nop dword [eax]
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4b208d
inc ecx
cmp ecx, edx
jb 0x4b2080
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x4b20ad
sub eax, 2
je 0x4b20b2
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4b23cb
mov edi, 0x500d8c
cmp ecx, edx
jb 0x4b20c5
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4b23cb
cmp byte [ecx], 0x5a
jne 0x4b20d6
mov ecx, 0x500d90
mov edx, 0x500d93
jmp 0x4b20d7
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.004815e0
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4b23cb
mov ebp, dword [esp + 0x3c]
mov edi, 0x50ae7e
mov ebx, dword [esp + 0x40]
mov ecx, ebp
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x18], edi
cmp ecx, ebx
jae 0x4b2140
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x4b2140
inc ecx
cmp ecx, ebx
jb 0x4b2133
mov eax, ecx
mov byte [esp + 0x11], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x4b217a
sub eax, 1
je 0x4b2171
sub eax, 1
je 0x4b216a
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x4b23cb
mov al, byte [ecx - 2]
mov byte [esp + 0x11], al
mov al, byte [ecx - 1]
mov byte [esp + 0x12], al
jmp 0x4b217f
mov byte [esp + 0x12], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x4b21ea
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x1c]
je 0x4b219d
cmp byte [esp + 0x13], 0x2c
jne 0x4b21cf
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x4b21b1
mov dl, byte [eax]
cmp dl, 0x30
jl 0x4b21b1
cmp dl, 0x39
jle 0x4b21a0
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x4b21cf
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x4b21cb
dec edi
sub edx, 1
jne 0x4b21c0
mov edi, dword [esp + 0x18]
cmp eax, ebx
jae 0x4b21ea
cmp byte [eax], 0x5a
jne 0x4b21e4
mov eax, str._GMT
mov ebx, 0x500d5c
jmp 0x4b21ea
mov edi, 0x4eb670
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x50ae7e
mov eax, 0x50ae80
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.004815e0
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x4b23cb
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.0x4b226b.13
movzx eax, byte [eax + 0x4b24fc]
jmp dword [eax*4 + 0x4b24ec]
mov ecx, 2
jmp 0x4b227e
mov ecx, 4
mov dword [esp + 0x1c], ecx
xor edx, edx
mov eax, ebx
div ecx
test edx, edx
jne case.0x4b226b.13
mov eax, ebx
div ecx
cmp eax, 0x3fffffff
ja case.0x4b226b.13
lea eax, [eax*4 + 1]
push eax
call dword [0x530370]
mov edx, eax
add esp, 4
mov dword [esp + 0x18], edx
test edx, edx
je case.0x4b226b.13
cmp ebp, 0xc
jne 0x4b22e1
test ebx, ebx
je 0x4b22d6
push ebx
push edi
push edx
call fcn.004bd490
add esp, 0xc
mov edx, dword [esp + 0x18]
mov byte [ebx + edx], 0
mov eax, edx
jmp 0x4b23bc
xor ebx, ebx
cmp edi, dword [esp + 0x40]
jae 0x4b22d6
nop dword [eax]
mov ecx, dword [esp + 0x1c]
xor eax, eax
sub ecx, 2
je 0x4b230f
sub ecx, 2
jne 0x4b2318
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 0x4b2392
cmp eax, 0x800
jb 0x4b237a
cmp eax, 0x10000
jb 0x4b235e
cmp eax, 0x200000
jae 0x4b23ab
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 0x4b2365
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 0x4b237c
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 0x4b2394
add edx, ebx
add ebx, ebp
mov byte [edx], al
cmp edi, dword [esp + 0x40]
jae 0x4b22d2
mov edx, dword [esp + 0x18]
jmp 0x4b22f0
push edx
call dword [0x530374]
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.0x4b1f62.7
cmp byte [edx], 0
mov ecx, edx
je 0x4b23f4
mov edx, dword [esp + 0x6c]
nop word [eax + eax]
cmp esi, ebx
jae 0x4b23e9
mov al, byte [ecx]
mov byte [esi + edx], al
inc ecx
inc esi
cmp byte [ecx], 0
jne 0x4b23e0
mov edx, dword [esp + 0x14]
push edx
call dword [0x530374]
mov eax, dword [esp + 0x24]
add esp, 4
mov ecx, dword [esp + 0x50]
cmp eax, ecx
jb 0x4b19d0
mov edx, dword [esp + 0x24]
mov eax, dword [esp + 0x74]
mov eax, dword [eax + 8]
cmp edx, eax
jb 0x4b19a0
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