Function at 0x1800048b4
Capabilities:
Encode data using base64 via winapi

Disassembly:
push rbp
push rbx
push rsi
push rdi
push r12
push r13
push r14
push r15
mov rbp, rsp
sub rsp, 0x58
movsxd rax, r8d
mov rdi, rcx
mov qword [rcx + 0x18], rax
mov qword [rcx + 0x20], rax
mov eax, dword [rcx + 0x38]
cmp eax, dword [rcx + 0x48]
mov qword [rcx + 8], rdx
cmovbe eax, dword [rcx + 0x48]
mov qword [rcx + 0x10], rdx
lea ebx, [rax + rax*2]
mov eax, 0x2000
cmp ebx, eax
cmovl ebx, eax
movsxd r13, ebx
mov rcx, r13
mov dword [rbp + 0x58], ebx
call qword [sym.imp.msvcrt.dll_malloc]
xor esi, esi
mov rcx, r13
mov r14, rax
mov r15d, esi
call qword [sym.imp.msvcrt.dll_malloc]
mov r12, rax
cmp qword [rdi + 0x20], 4
jb 0x180004cee
mov rax, qword [rdi + 0x10]
mov ecx, dword [rax]
call qword [sym.imp.WS2_32.dll_ntohl]
mov rcx, qword [rdi + 0x20]
add qword [rdi + 0x10], 4
add rcx, 0xfffffffffffffffc
mov rdx, qword [rdi + 0x10]
mov qword [rdi + 0x20], rcx
cmp eax, 7
jne 0x1800049b3
cmp rcx, 4
jb 0x18000498d
mov ecx, dword [rdx]
call qword [sym.imp.WS2_32.dll_ntohl]
add qword [rdi + 0x20], 0xfffffffffffffffc
add qword [rdi + 0x10], 4
test eax, eax
je 0x18000498d
cmp eax, 1
jne 0x180004918
mov r8, r13
xor edx, edx
mov rcx, r14
call sub.msvcrt.dll_memset
mov r8d, dword [rdi + 0x48]
mov rcx, r14
mov rdx, qword [rdi + 0x40]
call sub.msvcrt.dll_memcpy
mov r15d, dword [rdi + 0x48]
jmp 0x180004918
mov r8, r13
xor edx, edx
mov rcx, r14
call sub.msvcrt.dll_memset
mov r8d, dword [rdi + 0x38]
mov rcx, r14
mov rdx, qword [rdi + 0x30]
call sub.msvcrt.dll_memcpy
mov r15d, dword [rdi + 0x38]
jmp 0x180004918
cmp eax, 9
jne 0x180004a23
mov rax, qword [rdi + 0x28]
mov rdx, qword [rax + 0x18]
cmp byte [rdx], sil
je 0x1800049d2
or rsi, 0xffffffffffffffff
inc rsi
cmp byte [rdx + rsi], 0
jne 0x1800049c9
mov rax, rsi
neg rax
sbb cl, cl
and cl, 0xe7
add cl, 0x3f
mov byte [rdx + rsi], cl
lea rdx, [rbp - 0x18]
mov rcx, rdi
inc rsi
call fcn.180005104
mov rcx, qword [rdi + 0x28]
mov rdx, rax
mov r8, qword [rbp - 0x18]
mov rcx, qword [rcx + 0x18]
add rcx, rsi
call sub.msvcrt.dll_memcpy
mov rax, qword [rdi + 0x28]
mov ebx, dword [rbp + 0x58]
mov rax, qword [rax + 0x18]
add rax, qword [rbp - 0x18]
mov byte [rax + rsi], 0
xor esi, esi
jmp 0x180004918
cmp eax, 0xa
jne 0x180004a6c
lea rdx, [rbp + 0x60]
mov rcx, rdi
call fcn.180005104
mov rcx, qword [rdi + 0x28]
mov rdx, qword [rcx + 0x28]
cmp byte [rdx], sil
jne 0x180004a46
mov rbx, rsi
jmp 0x180004a53
or rbx, 0xffffffffffffffff
inc rbx
cmp byte [rdx + rbx], sil
jne 0x180004a4a
mov r8, qword [rbp + 0x60]
lea rcx, [rdx + rbx]
mov rdx, rax
call sub.msvcrt.dll_memcpy
add rbx, qword [rbp + 0x60]
jmp 0x180004cc0
cmp eax, 1
jne 0x180004a9a
lea rdx, [rbp + 0x50]
mov qword [rbp + 0x50], rsi
mov rcx, rdi
call fcn.180005104
mov r8, qword [rbp + 0x50]
lea rcx, [r15 + r14]
mov rdx, rax
call sub.msvcrt.dll_memcpy
add r15, qword [rbp + 0x50]
jmp 0x180004918
cmp eax, 2
jne 0x180004af3
lea rdx, [rbp + 0x50]
mov qword [rbp + 0x50], rsi
mov rcx, rdi
call fcn.180005104
mov rbx, qword [rbp + 0x50]
mov rdx, rax
mov r8, rbx
mov rcx, r12
call sub.msvcrt.dll_memcpy
lea rcx, [rbx + r12]
mov r8, r15
mov rdx, r14
call sub.msvcrt.dll_memcpy
mov r8, r13
xor edx, edx
mov rcx, r14
add r15, rbx
call sub.msvcrt.dll_memset
mov r8, r15
mov rdx, r12
mov rcx, r14
call sub.msvcrt.dll_memcpy
jmp 0x180004cde
mov ecx, 3
cmp eax, ecx
je 0x180004d15
cmp eax, 0xd
je 0x180004d15
cmp eax, 4
jne 0x180004b26
mov rcx, qword [rdi + 0x28]
mov rdx, r14
mov rcx, qword [rcx + 0x20]
mov r8, r15
call sub.msvcrt.dll_memcpy
jmp 0x180004918
cmp eax, 5
jne 0x180004bc2
mov rax, qword [rdi + 0x28]
mov rdx, qword [rax + 0x18]
cmp byte [rdx], sil
jne 0x180004b41
mov rbx, rsi
jmp 0x180004b4e
or rbx, 0xffffffffffffffff
inc rbx
cmp byte [rdx + rbx], sil
jne 0x180004b45
mov rax, rbx
neg rax
sbb cl, cl
and cl, 0xe7
add cl, 0x3f
mov byte [rdx + rbx], cl
lea rdx, [rbp - 0x28]
mov rcx, rdi
inc rbx
call fcn.180005104
mov rcx, qword [rdi + 0x28]
mov rdx, rax
mov r8, qword [rbp - 0x28]
mov rcx, qword [rcx + 0x18]
add rcx, rbx
call sub.msvcrt.dll_memcpy
mov rax, qword [rdi + 0x28]
mov r8, r15
add rbx, qword [rbp - 0x28]
mov rdx, r14
mov rcx, qword [rax + 0x18]
mov byte [rbx + rcx], 0x3d
inc rbx
mov rax, qword [rdi + 0x28]
mov rcx, qword [rax + 0x18]
add rcx, rbx
call sub.msvcrt.dll_memcpy
mov rax, qword [rdi + 0x28]
mov rax, qword [rax + 0x18]
add rax, rbx
mov byte [rax + r15], sil
jmp 0x180004cde
cmp eax, 6
jne 0x180004c38
lea rdx, [rbp - 0x20]
mov rcx, rdi
call fcn.180005104
mov rcx, qword [rdi + 0x28]
mov rdx, qword [rcx + 0x28]
cmp byte [rdx], sil
jne 0x180004be5
mov rbx, rsi
jmp 0x180004bf2
or rbx, 0xffffffffffffffff
inc rbx
cmp byte [rdx + rbx], sil
jne 0x180004be9
mov r8, qword [rbp - 0x20]
lea rcx, [rdx + rbx]
mov rdx, rax
call sub.msvcrt.dll_memcpy
mov rax, qword [rdi + 0x28]
mov r8, r15
add rbx, qword [rbp - 0x20]
mov rdx, r14
mov rcx, qword [rax + 0x28]
mov eax, 0x203a
mov word [rbx + rcx], ax
inc rbx
mov rax, qword [rdi + 0x28]
mov rcx, qword [rax + 0x28]
add rcx, rbx
call sub.msvcrt.dll_memcpy
add rbx, r15
jmp 0x180004cc0
cmp eax, 0x10
jne 0x180004ce6
mov rax, qword [0x1817767d0]
cmp dword [rax + 0x10], 0x36
jle 0x180004c65
mov rax, qword [rax + 8]
add rax, 0x360
je 0x180004c65
cmp word [rax], cx
jne 0x180004c65
mov rax, qword [rax + 8]
jmp 0x180004c68
mov rax, rsi
or rsi, 0xffffffffffffffff
inc rsi
cmp byte [rax + rsi], 0
jne 0x180004c6c
mov qword [rbp + 0x50], rsi
test rsi, rsi
jne 0x180004c8e
lea rdx, [rbp + 0x50]
mov rcx, rdi
call fcn.180005104
mov rsi, qword [rbp + 0x50]
mov rcx, qword [rdi + 0x28]
mov rdx, qword [rcx + 0x28]
cmp byte [rdx], 0
jne 0x180004c9f
xor ebx, ebx
jmp 0x180004cac
or rbx, 0xffffffffffffffff
inc rbx
cmp byte [rdx + rbx], 0
jne 0x180004ca3
lea rcx, [rdx + rbx]
mov r8, rsi
mov rdx, rax
call sub.msvcrt.dll_memcpy
add rbx, rsi
xor esi, esi
mov rax, qword [rdi + 0x28]
mov rcx, qword [rax + 0x28]
mov eax, 0xa0d
mov word [rbx + rcx], ax
mov rax, qword [rdi + 0x28]
mov rcx, qword [rax + 0x28]
mov byte [rcx + rbx + 2], sil
mov ebx, dword [rbp + 0x58]
jmp 0x180004918
test eax, eax
jne 0x180004918
mov rcx, r14
call qword [sym.imp.msvcrt.dll_free]
mov rcx, r12
call qword [sym.imp.msvcrt.dll_free]
mov rax, qword [rdi + 0x28]
add rsp, 0x58
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbx
pop rbp
ret
mov dword [rbp + 0x48], ebx
cmp eax, ecx
je 0x180004d35
cmp eax, 0xd
jne 0x180004d5d
lea r9, [rbp + 0x48]
mov r8, r12
mov edx, r15d
mov rcx, r14
call fcn.180003ce4
jmp 0x180004d5d
lea rax, [rbp + 0x48]
mov r9, r12
mov r8d, 1
mov qword [rsp + 0x20], rax
mov edx, r15d
mov rcx, r14
call qword [sym.imp.CRYPT32.dll_CryptBinaryToStringA]
test eax, eax
jne 0x180004d5d
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov r15d, dword [rbp + 0x48]
mov r8, r13
xor edx, edx
mov rcx, r14
call sub.msvcrt.dll_memset
mov rdx, r12
mov rcx, r14
jmp 0x180004b19