Function at 0x1800b3920
Capabilities:
Convert ip address from string
Get local ipv4 addresses
Get socket information

Disassembly:
mov r11, rsp
push rbp
push rsi
push r13
push r14
lea rbp, [r11 - 0x608]
sub rsp, 0x6e8
mov rax, qword [0x180159b00]
xor rax, rsp
mov qword [rbp + 0x5c0], rax
mov rax, qword [rcx + 0x20]
xorps xmm0, xmm0
mov qword [r11 + 0x18], rbx
mov rsi, rcx
mov qword [r11 - 0x28], rdi
mov edi, edx
mov qword [r11 - 0x30], r12
mov r12b, 1
mov qword [r11 - 0x38], r15
mov r15, qword [rcx + 0x838]
mov qword [rsp + 0x58], rax
xor eax, eax
mov qword [rsp + 0x48], 0xffffffffffffffff
mov r13d, eax
mov byte [rbp - 0x10], 0
mov r14d, eax
mov qword [rbp + 0x11], rax
mov dword [rbp + 0x19], eax
mov word [rbp + 0x1d], ax
mov qword [rsp + 0x60], rax
mov word [rsp + 0x40], ax
mov word [rsp + 0x44], ax
mov qword [rsp + 0x50], rax
movups xmmword [rbp - 0xf], xmm0
movups xmmword [rbp + 1], xmm0
test r15, r15
je 0x1800b3b99
mov rax, 0xffffffffffffffff
nop
inc rax
cmp byte [r15 + rax], r13b
jne 0x1800b39c0
cmp rax, 1
jbe 0x1800b3b99
movzx eax, byte [r15]
cmp al, 0x5b
jne 0x1800b3a10
lea r14, [r15 + 1]
mov edx, 0x5d
mov rcx, r14
mov rbx, r14
call fcn.1800da3c8
mov r15, rax
test rax, rax
mov rax, r13
cmove r14, rax
mov qword [rsp + 0x50], r14
mov r14, r15
sub r14, rbx
test r15, r15
cmove r14, rax
jmp 0x1800b3a5a
cmp al, 0x3a
je 0x1800b3a62
mov edx, 0x3a
mov rcx, r15
call fcn.1800da3c8
mov rcx, r15
mov rbx, rax
mov qword [rsp + 0x50], rcx
mov r14, rax
test rax, rax
je 0x1800b3b6a
lea r8, [rsp + 0x78]
mov rdx, r15
mov ecx, reloc.WS2_32.dll_socket
sub r14, r15
call qword [sym.imp.WS2_32.dll_inet_pton]
xor r15d, r15d
cmp eax, 1
cmovne r15, rbx
xor eax, eax
movzx ebx, ax
test r15, r15
je 0x1800b3ac4
mov edx, 0x3a
mov rcx, r15
call fcn.1800da3c8
mov r15, rax
xor eax, eax
mov ebx, eax
test r15, r15
je 0x1800b3ac4
lea rcx, [r15 + 1]
xor edx, edx
mov r8d, 0xa
call fcn.1800e2ff0
mov ecx, eax
call fcn.180089b20
mov edx, 0x2d
mov rcx, r15
movzx ebx, ax
call fcn.1800da3c8
test rax, rax
je 0x1800b3b62
lea rcx, [rax + 1]
xor edx, edx
mov r8d, 0xa
call fcn.1800e2ff0
mov ecx, eax
call fcn.180089b20
mov rcx, qword [rsp + 0x50]
xor r15d, r15d
cmp bx, ax
mov edx, r15d
cmovbe dx, ax
cmovbe r15w, bx
mov dword [rsp + 0x44], edx
test r14, r14
je 0x1800b3b93
cmp r14, 0x32
jae 0x1800b4148
mov rdx, rcx
mov r8, r14
lea rcx, [rbp + 0x20]
call fcn.18010e2f0
mov rbx, qword [rsp + 0x58]
mov byte [rbp + r14 + 0x20], r13b
mov rcx, qword [rbx + 0x38]
add rcx, 0x10
call fcn.1800c2670
mov rcx, qword [rbx + 0x38]
lea r9, [rbp + 0x20]
mov r8d, dword [rbx + 0x7c4]
mov edx, eax
lea rax, [rbp + 0x1b0]
mov qword [rsp + 0x28], 0x401
mov qword [rsp + 0x20], rax
mov ecx, dword [rcx]
call fcn.18000eff0
mov ecx, eax
test eax, eax
je 0x1800b3b84
sub ecx, 1
je 0x1800b4174
cmp ecx, 1
jne 0x1800b3b88
lea r13, [rbp + 0x1b0]
jmp 0x1800b3b88
movzx eax, bx
jmp 0x1800b3ac4
mov r14, 0xffffffffffffffff
inc r14
cmp byte [r15 + r14], r13b
jne 0x1800b3b71
xor eax, eax
movzx ebx, ax
jmp 0x1800b3ac9
lea r13, [rbp + 0x20]
test r13, r13
jne 0x1800b3c3b
jmp 0x1800b3b9e
mov dword [rsp + 0x44], edx
jmp 0x1800b3b9e
mov r15d, dword [rsp + 0x40]
mov r13, qword [rsp + 0x58]
lea r8, [rsp + 0x40]
mov dword [rsp + 0x40], 0x80
lea rdx, [rsp + 0x70]
mov rcx, qword [r13 + 0x220]
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x1800b3bf7
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.18009de10
lea rdx, str.getsockname___failed:__s
mov r8, rax
mov rcx, rsi
call fcn.180085860
jmp 0x1800b414d
movzx eax, word [rsp + 0x70]
cmp ax, 0x17
je 0x1800b3c09
lea rdx, [rsp + 0x74]
jmp 0x1800b3c13
lea rdx, [rsp + 0x78]
mov eax, reloc.WS2_32.dll_socket
movzx ecx, ax
lea r8, [rbp + 0x1b0]
mov r9d, 0x401
call sub.WS2_32.dll_inet_ntop
test rax, rax
je 0x1800b414d
lea r13, [rbp + 0x1b0]
xor r12b, r12b
lea rax, [rsp + 0x60]
xor r9d, r9d
xor r8d, r8d
mov qword [rsp + 0x20], rax
mov rdx, r13
mov rcx, rsi
call fcn.180094290
cmp eax, 1
jne 0x1800b3c68
lea rdx, [rsp + 0x60]
mov rcx, rsi
call fcn.180076f90
mov rdx, qword [rsp + 0x60]
test rdx, rdx
je 0x1800b4136
mov r14, qword [rdx]
mov rcx, rsi
call fcn.1800948a0
test r14, r14
je 0x1800b4136
mov r13, qword [rsp + 0x58]
nop
movzx r9d, byte [r13 + 0x7ce]
lea rax, [rsp + 0x48]
xor r8d, r8d
mov qword [rsp + 0x20], rax
mov rdx, r14
mov rcx, rsi
call fcn.18008dbb0
test eax, eax
je 0x1800b3cee
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r14, qword [r14 + 0x28]
test r14, r14
jne 0x1800b3c90
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.18009de10
mov r8, rax
lea rdx, str.socket_failure:__s
mov rcx, rsi
call fcn.180085860
jmp 0x1800b414d
mov rax, qword [rsi + 0x20]
test rax, rax
je 0x1800b3d0b
movzx eax, byte [rax + 0x78e]
lea r8, str.STOP
mov r8, qword [r8 + rax*8]
jmp 0x1800b3d12
lea r8, [0x180118cd0]
lea rdx, str.__s__ftp_state_use_port____opened_socket
mov rcx, rsi
call fcn.180085b10
movsxd r8, dword [r14 + 0x10]
lea rcx, [rsp + 0x70]
mov rdx, qword [r14 + 0x20]
call fcn.18010e2f0
movzx ebx, r15w
mov eax, dword [r14 + 0x10]
mov dword [rsp + 0x40], eax
cmp r15w, word [rsp + 0x44]
ja 0x1800b3e04
nop dword [rax + rax]
movzx ecx, bx
call qword [sym.imp.WS2_32.dll_htons]
mov r8d, dword [rsp + 0x40]
lea rdx, [rsp + 0x70]
mov rcx, qword [rsp + 0x48]
mov word [rsp + 0x72], ax
call qword [sym.imp.WS2_32.dll_bind]
test eax, eax
je 0x1800b3e47
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
test r12b, r12b
je 0x1800b3dea
cmp eax, 0x2741
jne 0x1800b3dea
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.18009de10
mov r9, rax
movzx r8d, bx
lea rdx, str.bind_port_hu__on_non_local_address_failed:__s
mov rcx, rsi
call fcn.180085950
mov dword [rsp + 0x40], 0x80
lea r8, [rsp + 0x40]
mov rcx, qword [r13 + 0x220]
lea rdx, [rsp + 0x70]
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x1800b3bc6
movzx ebx, r15w
xor r12b, r12b
jmp 0x1800b3d50
cmp eax, 0x2740
je 0x1800b3df6
cmp eax, 0xd
jne 0x1800b3e18
inc bx
cmp bx, word [rsp + 0x44]
jbe 0x1800b3d50
lea rdx, str.bind___failed__we_ran_out_of_ports
mov rcx, rsi
call fcn.180085860
jmp 0x1800b414d
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.18009de10
mov r9, rax
movzx r8d, bx
lea rdx, str.bind_port_hu__failed:__s
mov rcx, rsi
call fcn.180085860
jmp 0x1800b414d
mov rcx, qword [rsp + 0x48]
lea r8, [rsp + 0x40]
lea rdx, [rsp + 0x70]
mov dword [rsp + 0x40], 0x80
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x1800b3bc6
mov rax, qword [rsi + 0x20]
lea r12, str.STOP
lea r15, [0x180118cd0]
test rax, rax
je 0x1800b3e90
movzx eax, byte [rax + 0x78e]
mov r8, qword [r12 + rax*8]
jmp 0x1800b3e93
mov r8, r15
movzx ebx, bx
lea rdx, str.__s__ftp_state_use_port____socket_bound_to_port__d
mov r9d, ebx
mov rcx, rsi
call fcn.180085b10
mov rcx, qword [rsp + 0x48]
mov edx, 1
call qword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x1800b3eed
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.18009de10
lea rdx, str.socket_failure:__s
mov r8, rax
mov rcx, rsi
call fcn.180085860
jmp 0x1800b414d
mov rax, qword [rsi + 0x20]
test rax, rax
je 0x1800b3f03
movzx eax, byte [rax + 0x78e]
mov r8, qword [r12 + rax*8]
jmp 0x1800b3f06
mov r8, r15
mov r9d, ebx
lea rdx, str.__s__ftp_state_use_port____listening_on__d
mov rcx, rsi
call fcn.180085b10
mov r8d, 0x2f
lea rdx, [rbp - 0x10]
mov rcx, r14
call fcn.180094250
cmp byte [r13 + 0x3b1], 0
jne 0x1800b3f46
cmp byte [r13 + 0x3ac], 0
je 0x1800b3f46
mov byte [r13 + 0x3b1], 1
lea r9, [rsp + 0x48]
mov r8d, 1
mov rdx, r13
mov rcx, rsi
call fcn.18008d800
mov r14d, eax
test eax, eax
jne 0x1800b4153
mov qword [rsp + 0x48], 0xffffffffffffffff
cmp edi, 2
je 0x1800b3fce
movzx ecx, word [rsp + 0x70]
nop word [rax + rax]
cmp byte [r13 + 0x3b1], 0
jne 0x1800b3f8e
test edi, edi
je 0x1800b3fc7
cmp edi, 1
jne 0x1800b3f99
cmp cx, 2
jne 0x1800b3fc7
movzx eax, cx
cmp eax, 2
je 0x1800b3fa6
cmp eax, 0x17
jne 0x1800b3fc7
movzx ecx, word [rsp + 0x72]
call qword [sym.imp.WS2_32.dll_ntohs]
movzx r8d, ax
test edi, edi
je 0x1800b40a4
cmp edi, 1
je 0x1800b4000
movzx ecx, word [rsp + 0x70]
inc edi
cmp edi, 2
jne 0x1800b3f80
lea rbx, [r13 + 0x680]
mov dword [rbx + 0x100], edi
mov rbx, qword [rsi + 0x20]
movzx eax, byte [rbx + 0x78e]
cmp al, 0x1c
je 0x1800b4128
test rbx, rbx
je 0x1800b410f
mov r8, qword [r12 + rax*8]
jmp 0x1800b4112
movzx eax, byte [rbp - 0x10]
lea rcx, [rbp + 0x60]
test al, al
je 0x1800b402e
lea rdx, [rbp - 0x10]
lea r9, [rbp + 0x60]
sub rdx, r9
cmp al, 0x2e
mov al, 0x2c
je 0x1800b4021
movzx eax, byte [rdx + rcx]
mov byte [rcx], al
inc rcx
movzx eax, byte [rdx + rcx]
test al, al
jne 0x1800b4017
movzx r9d, r8w
mov edx, reloc.WS2_32.dll_sendto
movzx eax, r9b
lea r8, str.__d__d
shr r9d, 8
mov dword [rsp + 0x20], eax
mov byte [rcx], 0
call fcn.1800918a0
lea rax, [rbp + 0x60]
mov rcx, rsi
lea rbx, [r13 + 0x680]
mov qword [rsp + 0x20], rax
mov rdx, rbx
lea r9, [0x180129edd]
lea r8, [0x180118ffc]
call fcn.1800cb210
mov r14d, eax
test eax, eax
je 0x1800b3fd5
mov ecx, eax
call fcn.18009dff0
mov r8, rax
lea rdx, str.Failure_sending_PORT_command:__s
mov rcx, rsi
call fcn.180085860
jmp 0x1800b4153
cmp word [rsp + 0x70], 2
lea rbx, [r13 + 0x680]
movzx eax, r8w
lea r9, str.EPRT
mov dword [rsp + 0x30], eax
lea r8, str._s__d_s_hu
mov ecx, 0
lea rax, [rbp - 0x10]
setne cl
mov qword [rsp + 0x28], rax
inc ecx
mov rdx, rbx
mov dword [rsp + 0x20], ecx
mov rcx, rsi
call fcn.1800cb210
mov r14d, eax
test eax, eax
je 0x1800b3fd5
mov ecx, eax
call fcn.18009dff0
mov r8, rax
lea rdx, str.Failure_sending_EPRT_command:__s
mov rcx, rsi
call fcn.180085860
jmp 0x1800b4153
mov r8, r15
lea r9, str.PORT
mov rcx, rsi
lea rdx, str.__s_______s_
call fcn.180085b10
mov byte [rbx + 0x78e], 0x1c
test r14d, r14d
je 0x1800b41a0
jmp 0x1800b4153
mov r8, r13
lea rdx, str.failed_to_resolve_the_address_provided_to_PORT:__s
mov rcx, rsi
call fcn.180085860
mov r13, qword [rsp + 0x58]
mov r14d, 0x1e
mov rbx, qword [rsi + 0x20]
movzx eax, byte [rbx + 0x78e]
test al, al
je 0x1800b4199
test rbx, rbx
je 0x1800b4179
lea rcx, str.STOP
mov rax, qword [rcx + rax*8]
jmp 0x1800b4180
mov r13, rbx
jmp 0x1800b414d
lea rax, [0x180118cd0]
lea r9, str.STOP
mov r8, rax
lea rdx, str.__s_______s_
mov rcx, rsi
call fcn.180085b10
mov byte [rbx + 0x78e], 0
mov r8, qword [rsp + 0x48]
mov r15, qword [rsp + 0x6d0]
mov r12, qword [rsp + 0x6d8]
mov rdi, qword [rsp + 0x6e0]
mov rbx, qword [rsp + 0x720]
cmp r8, 0xffffffffffffffff
je 0x1800b41d6
mov rdx, r13
mov rcx, rsi
call fcn.18008db80
mov eax, r14d
mov rcx, qword [rbp + 0x5c0]
xor rcx, rsp
call fcn.1800d4310
add rsp, 0x6e8
pop r14
pop r13
pop rsi
pop rbp
ret