Function at 0x51afbf
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 0x51b966
mov ebx, dword [esp + 0x70]
mov ebp, 0x6a66d6
push eax
push edx
lea eax, [esp + 0x50]
push eax
call fcn.0051bc90
mov edx, eax
add esp, 0xc
mov dword [esp + 0x24], edx
test edx, edx
je case.0x51b4c6.7
mov eax, dword [esp + 0x4c]
mov ecx, dword [esp + 0x50]
cmp eax, ecx
jae 0x51b957
push ecx
push eax
lea eax, [esp + 0x60]
push eax
call fcn.0051bc90
add esp, 0xc
mov dword [esp + 0x20], eax
test eax, eax
je case.0x51b4c6.7
mov edi, dword [esp + 0x60]
lea eax, [esp + 0x28]
push edi
push dword [esp + 0x60]
push eax
call fcn.0051bc90
add esp, 0xc
test eax, eax
je case.0x51b4c6.7
push edi
push eax
lea eax, [esp + 0x40]
push eax
call fcn.0051bc90
add esp, 0xc
test eax, eax
je case.0x51b4c6.7
cmp byte [esp + 0x36], 0
jne case.0x51b4c6.7
movzx ecx, byte [esp + 0x35]
mov dword [esp + 0x1c], ecx
lea eax, [ecx - 1]
cmp eax, 0x1d
ja case.0x51b4c6.7
movzx eax, byte [eax + 0x51b9a4]
jmp dword [eax*4 + 0x51b97c]
mov eax, dword [esp + 0x30]
mov ecx, dword [esp + 0x2c]
sub eax, ecx
cmp eax, 1
je 0x51afd5
xor ebp, ebp
jmp 0x51b3fc
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x6ec00c]
add esp, 4
mov ebp, eax
jmp 0x51b3fc
mov edi, dword [esp + 0x30]
mov eax, edi
mov edx, dword [esp + 0x2c]
sub eax, edx
jne 0x51b00b
xor ebp, ebp
jmp 0x51b3fc
cmp eax, 4
jbe 0x51b021
push edi
push edx
call fcn.0051bd70
add esp, 8
mov ebp, eax
jmp 0x51b3fc
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x51b027
cmp ecx, 0xa
mov eax, 0x6423f4
push ecx
cmovb eax, ebp
push eax
push str._s_lx
call fcn.00504de0
add esp, 0xc
mov ebp, eax
jmp 0x51b3fc
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x30]
inc eax
cmp eax, ecx
jbe 0x51b069
xor ebp, ebp
jmp 0x51b3fc
push ecx
push eax
call fcn.0051bd70
add esp, 8
mov ebp, eax
jmp 0x51b3fc
push dword [esp + 0x30]
push dword [esp + 0x30]
call fcn.0051bd70
add esp, 8
mov ebp, eax
jmp 0x51b3fc
push 0x6a66d6
call dword [0x6ec00c]
add esp, 4
mov ebp, eax
jmp 0x51b3fc
push 1
push dword [esp + 0x34]
push dword [esp + 0x34]
call fcn.0051a5a0
add esp, 0xc
mov ebp, eax
jmp 0x51b3fc
mov ebx, dword [esp + 0x2c]
mov ecx, ebx
mov edx, dword [esp + 0x30]
cmp ecx, edx
jae 0x51b0dd
nop dword [eax]
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x51b0dd
inc ecx
cmp ecx, edx
jb 0x51b0d0
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x51b0fd
sub eax, 2
je 0x51b102
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x51b400
mov edi, 0x642434
cmp ecx, edx
jb 0x51b115
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x51b400
cmp byte [ecx], 0x5a
jne 0x51b126
mov ecx, 0x642438
mov edx, 0x64243b
jmp 0x51b127
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.00504de0
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x51b400
mov ebp, dword [esp + 0x2c]
mov edi, 0x6a66d6
mov ebx, dword [esp + 0x30]
mov ecx, ebp
mov dword [esp + 0x18], ebx
mov dword [esp + 0x14], edi
cmp ecx, ebx
jae 0x51b190
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x51b190
inc ecx
cmp ecx, ebx
jb 0x51b183
mov eax, ecx
mov byte [esp + 0x12], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x51b1ca
sub eax, 1
je 0x51b1c1
sub eax, 1
je 0x51b1ba
mov ebx, dword [esp + 0x70]
xor ebp, ebp
mov dword [esp + 0x14], ebp
jmp 0x51b400
mov al, byte [ecx - 2]
mov byte [esp + 0x12], al
mov al, byte [ecx - 1]
mov byte [esp + 0x11], al
jmp 0x51b1cf
mov byte [esp + 0x11], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x51b23a
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x18]
je 0x51b1ed
cmp byte [esp + 0x13], 0x2c
jne 0x51b21f
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x51b201
mov dl, byte [eax]
cmp dl, 0x30
jl 0x51b201
cmp dl, 0x39
jle 0x51b1f0
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x51b21f
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x51b21b
dec edi
sub edx, 1
jne 0x51b210
mov edi, dword [esp + 0x14]
cmp eax, ebx
jae 0x51b23a
cmp byte [eax], 0x5a
jne 0x51b234
mov eax, str._GMT
mov ebx, 0x642404
jmp 0x51b23a
mov edi, 0x6e5888
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x6a66d6
mov eax, 0x6e5668
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.00504de0
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov ebp, eax
mov dword [esp + 0x14], eax
jmp 0x51b400
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.0x51b2bb.13
movzx eax, byte [ecx + 0x51b9d4]
jmp dword [eax*4 + 0x51b9c4]
mov ebp, 2
jmp 0x51b2ce
mov ebp, 4
mov dword [esp + 0x18], ebp
xor edx, edx
mov eax, ebx
div ebp
test edx, edx
jne case.0x51b2bb.13
mov eax, ebx
div ebp
cmp eax, 0x3fffffff
ja case.0x51b2bb.13
lea eax, [eax*4 + 1]
push eax
call dword [section..data]
mov ebp, eax
add esp, 4
test ebp, ebp
je case.0x51b2bb.13
cmp dword [esp + 0x1c], 0xc
jne 0x51b32b
test ebx, ebx
je 0x51b320
push ebx
push edi
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov byte [ebx + ebp], 0
mov eax, ebp
jmp 0x51b3f1
xor ebx, ebx
cmp edi, dword [esp + 0x30]
jae 0x51b320
mov eax, dword [esp + 0x18]
xor ecx, ecx
sub eax, 2
je 0x51b352
sub eax, 2
jne 0x51b35b
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 0x51b3c9
cmp ecx, 0x800
jb 0x51b3b5
cmp ecx, 0x10000
jb 0x51b3a1
cmp ecx, 0x200000
jae 0x51b3e0
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 0x51b333
mov byte [ebx + ebp], 0
mov eax, ebp
jmp 0x51b3f1
push ebp
call dword [0x6ec004]
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.0x51b4c6.7
test esi, esi
je 0x51b465
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 0x51b432
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 0x51b420
cmp byte [edi], 0
jne 0x51b443
sub edi, ebp
mov ecx, 0x6a72d0
cmp edi, 2
jle 0x51b448
mov ecx, 0x6e5754
mov ebp, dword [esp + 0x6c]
sub ecx, esi
nop
cmp esi, ebx
jae 0x51b45a
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x51b450
mov ebp, dword [esp + 0x14]
cmp byte [ebp], 0
je 0x51b488
mov ecx, ebp
mov ebp, dword [esp + 0x6c]
sub ecx, esi
cmp esi, ebx
jae 0x51b47d
mov al, byte [ecx + esi]
mov byte [esi + ebp], al
inc esi
cmp byte [ecx + esi], 0
jne 0x51b473
mov ebp, dword [esp + 0x14]
push ebp
call dword [0x6ec004]
add esp, 4
cmp esi, ebx
jae 0x51b49e
mov eax, dword [esp + 0x6c]
mov byte [esi + eax], 0x3d
inc esi
cmp byte [esp + 0x46], 0
jne case.0x51b4c6.7
movzx ecx, byte [esp + 0x45]
mov dword [esp + 0x1c], ecx
lea eax, [ecx - 1]
cmp eax, 0x1d
ja case.0x51b4c6.7
movzx eax, byte [eax + 0x51ba10]
jmp dword [eax*4 + 0x51b9e8]
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
sub eax, ecx
cmp eax, 1
je 0x51b4e3
xor edx, edx
jmp 0x51b907
cmp byte [ecx], 0
mov eax, str.TRUE
mov ecx, str.FALSE
cmove eax, ecx
push eax
call dword [0x6ec00c]
add esp, 4
mov edx, eax
jmp 0x51b907
mov edi, dword [esp + 0x40]
mov eax, edi
mov edx, dword [esp + 0x3c]
sub eax, edx
jne 0x51b519
xor edx, edx
jmp 0x51b907
cmp eax, 4
jbe 0x51b52f
push edi
push edx
call fcn.0051bd70
add esp, 8
mov edx, eax
jmp 0x51b907
movsx ecx, byte [edx]
sar ecx, 0x1f
movzx eax, byte [edx]
inc edx
shl ecx, 8
or ecx, eax
cmp edx, edi
jb 0x51b535
push ecx
cmp ecx, 0xa
mov eax, 0x6423f4
mov ecx, 0x6a66d6
cmovb eax, ecx
push eax
push str._s_lx
call fcn.00504de0
add esp, 0xc
mov edx, eax
jmp 0x51b907
mov eax, dword [esp + 0x3c]
mov ecx, dword [esp + 0x40]
inc eax
cmp eax, ecx
jbe 0x51b57c
xor edx, edx
jmp 0x51b907
push ecx
push eax
call fcn.0051bd70
add esp, 8
mov edx, eax
jmp 0x51b907
push dword [esp + 0x40]
push dword [esp + 0x40]
call fcn.0051bd70
add esp, 8
mov edx, eax
jmp 0x51b907
push 0x6a66d6
call dword [0x6ec00c]
add esp, 4
mov edx, eax
jmp 0x51b907
push 1
push dword [esp + 0x44]
push dword [esp + 0x44]
call fcn.0051a5a0
add esp, 0xc
mov edx, eax
jmp 0x51b907
mov ebx, dword [esp + 0x3c]
mov ecx, ebx
mov edx, dword [esp + 0x40]
cmp ecx, edx
jae 0x51b5ed
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x51b5ed
inc ecx
cmp ecx, edx
jb 0x51b5e0
lea edi, [ebx + 0xa]
mov eax, ecx
sub eax, edi
sub eax, 0
je 0x51b60d
sub eax, 2
je 0x51b612
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x51b90b
mov edi, 0x642434
cmp ecx, edx
jb 0x51b625
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x51b90b
cmp byte [ecx], 0x5a
jne 0x51b636
mov ecx, 0x642438
mov edx, 0x64243b
jmp 0x51b637
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.00504de0
mov ebx, dword [esp + 0x98]
add esp, 0x28
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x51b90b
mov ebp, dword [esp + 0x3c]
mov edi, 0x6a66d6
mov ebx, dword [esp + 0x40]
mov ecx, ebp
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x18], edi
cmp ecx, ebx
jae 0x51b6a0
mov al, byte [ecx]
sub al, 0x30
cmp al, 9
ja 0x51b6a0
inc ecx
cmp ecx, ebx
jb 0x51b693
mov eax, ecx
mov byte [esp + 0x11], 0x30
sub eax, ebp
sub eax, 0xc
sub eax, 0
je 0x51b6da
sub eax, 1
je 0x51b6d1
sub eax, 1
je 0x51b6ca
mov ebx, dword [esp + 0x70]
xor edx, edx
mov dword [esp + 0x14], edx
jmp 0x51b90b
mov al, byte [ecx - 2]
mov byte [esp + 0x11], al
mov al, byte [ecx - 1]
mov byte [esp + 0x12], al
jmp 0x51b6df
mov byte [esp + 0x12], 0x30
xor edx, edx
mov eax, ecx
cmp ecx, ebx
jae 0x51b74a
mov bl, byte [ecx]
mov byte [esp + 0x13], bl
cmp bl, 0x2e
mov ebx, dword [esp + 0x1c]
je 0x51b6fd
cmp byte [esp + 0x13], 0x2c
jne 0x51b72f
inc ecx
nop
inc eax
cmp eax, ebx
jae 0x51b711
mov dl, byte [eax]
cmp dl, 0x30
jl 0x51b711
cmp dl, 0x39
jle 0x51b700
mov edx, eax
sub edx, ecx
sub edx, 1
je 0x51b72f
lea edi, [ecx - 1]
add edi, edx
nop
cmp byte [edi], 0x30
jne 0x51b72b
dec edi
sub edx, 1
jne 0x51b720
mov edi, dword [esp + 0x18]
cmp eax, ebx
jae 0x51b74a
cmp byte [eax], 0x5a
jne 0x51b744
mov eax, str._GMT
mov ebx, 0x642404
jmp 0x51b74a
mov edi, 0x6e5888
inc eax
push eax
sub ebx, eax
test edx, edx
push ebx
push edi
push ecx
push edx
mov ecx, 0x6a66d6
mov eax, 0x6e5668
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.00504de0
mov ebx, dword [esp + 0xa8]
add esp, 0x38
mov edx, eax
mov dword [esp + 0x14], eax
jmp 0x51b90b
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.0x51b7cb.13
movzx eax, byte [ecx + 0x51ba40]
jmp dword [eax*4 + 0x51ba30]
mov ebp, 2
jmp 0x51b7de
mov ebp, 4
mov dword [esp + 0x18], ebp
xor edx, edx
mov eax, ebx
div ebp
test edx, edx
jne case.0x51b7cb.13
mov eax, ebx
div ebp
cmp eax, 0x3fffffff
ja case.0x51b7cb.13
lea eax, [eax*4 + 1]
push eax
call dword [section..data]
mov ebp, eax
add esp, 4
test ebp, ebp
je case.0x51b7cb.13
cmp dword [esp + 0x1c], 0xc
jne 0x51b839
test ebx, ebx
je 0x51b830
push ebx
push edi
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov byte [ebx + ebp], 0
jmp 0x51b8fc
xor ebx, ebx
cmp edi, dword [esp + 0x40]
jae 0x51b830
mov ecx, dword [esp + 0x18]
xor eax, eax
sub ecx, 2
je 0x51b860
sub ecx, 2
jne 0x51b869
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 0x51b8d6
cmp eax, 0x800
jb 0x51b8c1
cmp eax, 0x10000
jb 0x51b8ac
cmp eax, 0x200000
jae 0x51b8eb
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 0x51b841
mov byte [ebx + ebp], 0
jmp 0x51b8fc
push ebp
call dword [0x6ec004]
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.0x51b4c6.7
cmp byte [edx], 0
mov ecx, edx
je 0x51b934
mov edx, dword [esp + 0x6c]
nop word [eax + eax]
cmp esi, ebx
jae 0x51b929
mov al, byte [ecx]
mov byte [esi + edx], al
inc ecx
inc esi
cmp byte [ecx], 0
jne 0x51b920
mov edx, dword [esp + 0x14]
push edx
call dword [0x6ec004]
mov eax, dword [esp + 0x24]
add esp, 4
mov ecx, dword [esp + 0x50]
mov ebp, 0x6a66d6
cmp eax, ecx
jb 0x51af41
mov edx, dword [esp + 0x24]
mov eax, dword [esp + 0x74]
mov eax, dword [eax + 8]
cmp edx, eax
jb 0x51af14
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