Function at 0x1803c1d90
Capabilities:
Convert ip address from string
Get local ipv4 addresses
Get socket information

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x590]
sub rsp, 0x690
mov rax, qword [0x18053d0c0]
xor rax, rsp
mov qword [rbp + 0x580], rax
mov rax, qword [rcx + 0x20]
xorps xmm0, xmm0
mov rbx, qword [rcx + 0x780]
mov edi, edx
mov qword [rsp + 0x48], rax
mov r14, rcx
xor eax, eax
mov qword [rsp + 0x58], 0xffffffffffffffff
mov qword [rbp + 0x10], rax
mov r12d, eax
mov dword [rbp + 0x18], eax
movzx r15d, ax
mov word [rbp + 0x1c], ax
mov r13b, 1
mov byte [rbp + 0x1e], al
mov qword [rsp + 0x68], rax
mov word [rsp + 0x50], ax
mov qword [rsp + 0x60], rax
movups xmmword [rbp - 0x10], xmm0
movups xmmword [rbp], xmm0
test rbx, rbx
je 0x1803c2059
mov rax, 0xffffffffffffffff
inc rax
cmp byte [rbx + rax], r12b
jne 0x1803c1e22
cmp rax, 1
jbe 0x1803c2059
mov rax, 0xffffffffffffffff
nop dword [rax]
inc rax
cmp byte [rbx + rax], r12b
jne 0x1803c1e40
cmp rax, 0x41
jae 0x1803c1e56
mov ecx, 0x41
jmp 0x1803c1e69
mov rcx, 0xffffffffffffffff
nop dword [rax]
inc rcx
cmp byte [rbx + rcx], r12b
jne 0x1803c1e60
inc rcx
mov edx, 1
call qword [fcn.1803f4ddc]
mov qword [rsp + 0x60], rax
mov r15, rax
test rax, rax
jne 0x1803c1e91
mov rbx, qword [rsp + 0x48]
lea esi, [rax + 0x1b]
jmp 0x1803c255c
movzx eax, byte [rbx]
cmp al, 0x5b
jne 0x1803c1ec5
mov edx, 0x5d
lea r15, [rbx + 1]
mov rcx, rbx
call fcn.1803e54f0
mov rsi, rax
test rax, rax
je 0x1803c1fbe
mov rcx, qword [rsp + 0x60]
mov r8, rax
sub r8, r15
mov rdx, r15
jmp 0x1803c1f35
cmp al, 0x3a
jne 0x1803c1ece
mov rsi, rbx
jmp 0x1803c1f3a
mov edx, 0x3a
mov rcx, rbx
call fcn.1803e54f0
mov rsi, rax
test rax, rax
je 0x1803c1fa1
lea r8, [rsp + 0x70]
mov rdx, rbx
mov ecx, reloc.WS2_32.dll_socket
call qword [sym.imp.WS2_32.dll_inet_pton]
mov rcx, r15
cmp eax, 1
jne 0x1803c1f2c
sub rcx, rbx
nop word [rax + rax]
movzx eax, byte [rbx]
mov byte [rcx + rbx], al
lea rbx, [rbx + 1]
test al, al
jne 0x1803c1f10
xor r15d, r15d
mov ebx, r15d
mov eax, r15d
jmp 0x1803c1fc9
mov r8, rsi
mov rdx, rbx
sub r8, rbx
call fcn.1803fa760
mov edx, 0x3a
mov rcx, rsi
call fcn.1803e54f0
xor r15d, r15d
mov rsi, rax
movzx ebx, r15w
movzx eax, r15w
test rsi, rsi
je 0x1803c1fc9
lea rcx, [rsi + 1]
xor edx, edx
lea r8d, [r15 + 0xa]
call fcn.1803f0d00
mov ecx, eax
call fcn.18039c430
lea edx, [r15 + 0x2d]
mov rcx, rsi
movzx ebx, ax
call fcn.1803e54f0
test rax, rax
je 0x1803c1f9c
lea rcx, [rax + 1]
xor edx, edx
lea r8d, [r15 + 0xa]
call fcn.1803f0d00
mov ecx, eax
call fcn.18039c430
jmp 0x1803c1fc9
movzx eax, bx
jmp 0x1803c1fc9
mov rcx, r15
sub rcx, rbx
nop word [rax + rax]
movzx eax, byte [rbx]
mov byte [rcx + rbx], al
lea rbx, [rbx + 1]
test al, al
jne 0x1803c1fb0
xor r15d, r15d
movzx eax, r15w
movzx ebx, r15w
cmp bx, ax
mov esi, r15d
cmovbe si, ax
cmovbe r15w, bx
mov rax, qword [rsp + 0x60]
mov rbx, qword [rsp + 0x48]
mov dword [rsp + 0x50], esi
cmp byte [rax], r12b
je 0x1803c2053
mov rcx, qword [rbx + 0x58]
add rcx, 0x10
call fcn.1803d8fb0
mov rsi, qword [rsp + 0x60]
lea rcx, [rbp + 0x170]
mov r8d, dword [rbx + 0x700]
mov edx, eax
mov rax, qword [rbx + 0x58]
mov r9, rsi
mov dword [rsp + 0x28], 0x401
mov qword [rsp + 0x20], rcx
mov ecx, dword [rax]
call fcn.180137270
mov ecx, eax
test eax, eax
je 0x1803c2045
sub ecx, 1
je 0x1803c2557
cmp ecx, 1
jne 0x1803c2048
lea r12, [rbp + 0x170]
jmp 0x1803c2048
mov r12, rsi
test r12, r12
jne 0x1803c20eb
jmp 0x1803c205e
mov dword [rsp + 0x50], esi
jmp 0x1803c205e
mov rbx, qword [rsp + 0x48]
mov dword [rsp + 0x40], 0x80
lea r8, [rsp + 0x40]
mov rcx, qword [rbx + 0x1a8]
lea rdx, [rsp + 0x70]
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x1803c20a7
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.180387570
mov r8, rax
lea rdx, str.getsockname___failed:__s
jmp 0x1803c254f
movzx eax, word [rsp + 0x70]
cmp ax, 0x17
je 0x1803c20b9
lea rdx, [rsp + 0x74]
jmp 0x1803c20c3
lea rdx, [rsp + 0x78]
mov eax, reloc.WS2_32.dll_socket
movzx ecx, ax
lea r8, [rbp + 0x170]
mov r9d, 0x401
call sub.WS2_32.dll_inet_ntop
test rax, rax
je 0x1803c2557
lea r12, [rbp + 0x170]
xor r13b, r13b
lea rax, [rsp + 0x68]
xor r9d, r9d
xor r8d, r8d
mov qword [rsp + 0x20], rax
mov rdx, r12
mov rcx, r14
call fcn.1803a46f0
cmp eax, 1
jne 0x1803c2118
lea rdx, [rsp + 0x68]
mov rcx, r14
call fcn.18038e960
mov rdx, qword [rsp + 0x68]
test rdx, rdx
je 0x1803c2545
mov rsi, qword [rdx]
mov rcx, r14
call fcn.1803a4c90
test rsi, rsi
je 0x1803c2545
nop word [rax + rax]
movzx r9d, byte [rbx + 0x70b]
lea rax, [rsp + 0x58]
xor r8d, r8d
mov qword [rsp + 0x20], rax
mov rdx, rsi
mov rcx, r14
call fcn.1803c97b0
test eax, eax
je 0x1803c2193
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov rsi, qword [rsi + 0x28]
test rsi, rsi
jne 0x1803c2140
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.180387570
mov r8, rax
lea rdx, str.socket_failure:__s
jmp 0x1803c254f
movsxd r8, dword [rsi + 0x10]
lea rcx, [rsp + 0x70]
mov rdx, qword [rsi + 0x20]
call fcn.1803e57a0
mov r12d, dword [rsp + 0x50]
movzx ebx, r15w
mov eax, dword [rsi + 0x10]
mov dword [rsp + 0x40], eax
cmp r15w, r12w
ja 0x1803c2275
nop
movzx ecx, bx
call qword [sym.imp.WS2_32.dll_htons]
mov r8d, dword [rsp + 0x40]
lea rdx, [rsp + 0x70]
mov rcx, qword [rsp + 0x58]
mov word [rsp + 0x72], ax
call qword [sym.imp.WS2_32.dll_bind]
test eax, eax
je 0x1803c22bf
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
test r13b, r13b
je 0x1803c225c
cmp eax, 0x2741
jne 0x1803c225c
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.180387570
mov r9, rax
movzx r8d, bx
lea rdx, str.bind_port_hu__on_non_local_address_failed:__s
mov rcx, r14
call fcn.18039a710
mov rbx, qword [rsp + 0x48]
lea r8, [rsp + 0x40]
mov dword [rsp + 0x40], 0x80
lea rdx, [rsp + 0x70]
mov rcx, qword [rbx + 0x1a8]
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x1803c2081
movzx ebx, r15w
xor r13b, r13b
jmp 0x1803c21c0
cmp eax, 0x2740
je 0x1803c2268
cmp eax, 0xd
jne 0x1803c228e
inc bx
cmp bx, r12w
jbe 0x1803c21c0
lea rdx, str.bind___failed__we_ran_out_of_ports
mov rcx, r14
call fcn.18039a620
mov rbx, qword [rsp + 0x48]
jmp 0x1803c2557
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.180387570
mov r9, rax
movzx r8d, bx
lea rdx, str.bind_port_hu__failed:__s
mov rcx, r14
call fcn.18039a620
mov rbx, qword [rsp + 0x48]
jmp 0x1803c2557
cmp bx, r12w
ja 0x1803c2275
mov rcx, qword [rsp + 0x58]
lea r8, [rsp + 0x40]
lea rdx, [rsp + 0x70]
mov dword [rsp + 0x40], 0x80
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x1803c2319
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.180387570
mov r8, rax
lea rdx, str.getsockname___failed:__s
mov rcx, r14
call fcn.18039a620
mov rbx, qword [rsp + 0x48]
jmp 0x1803c2557
mov rcx, qword [rsp + 0x58]
mov edx, 1
call qword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x1803c2360
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.180387570
mov r8, rax
lea rdx, str.socket_failure:__s
mov rcx, r14
call fcn.18039a620
mov rbx, qword [rsp + 0x48]
jmp 0x1803c2557
mov r8d, gethostbyaddr
lea rdx, [rbp - 0x10]
mov rcx, rsi
call fcn.1803a46b0
mov rbx, qword [rsp + 0x48]
cmp byte [rbx + 0x2da], 0
jne 0x1803c2390
cmp byte [rbx + 0x2d4], 0
je 0x1803c2390
mov byte [rbx + 0x2da], 1
cmp edi, 2
je 0x1803c23ed
movzx eax, word [rsp + 0x70]
nop word [rax + rax]
cmp byte [rbx + 0x2da], 0
jne 0x1803c23ad
test edi, edi
je 0x1803c23e6
cmp edi, 1
jne 0x1803c23b8
cmp ax, 2
jne 0x1803c23e6
movzx ecx, ax
cmp ecx, 2
je 0x1803c23c5
cmp ecx, 0x17
jne 0x1803c23e6
movzx ecx, word [rsp + 0x72]
call qword [sym.imp.WS2_32.dll_ntohs]
movzx r8d, ax
test edi, edi
je 0x1803c24d7
cmp edi, 1
je 0x1803c2434
movzx eax, word [rsp + 0x70]
inc edi
cmp edi, 2
jne 0x1803c23a0
lea r15, [rbx + 0x5d0]
lea r9, [rsp + 0x58]
mov dword [r15 + 0xe8], edi
mov r8d, 1
mov rdx, rbx
mov rcx, r14
call fcn.1803c9590
mov esi, eax
test eax, eax
jne 0x1803c255c
mov rax, qword [r14 + 0x20]
mov qword [rsp + 0x58], 0xffffffffffffffff
mov byte [rax + 0x6c6], 0x1c
jmp 0x1803c2567
lea r10, [rbp + 0x20]
mov r9d, 0x2c
lea rdx, [rbp - 0x10]
movzx ecx, byte [rdx]
test cl, cl
je 0x1803c245e
cmp cl, 0x2e
mov eax, ecx
cmove eax, r9d
mov byte [r10], al
inc r10
add rdx, 1
jne 0x1803c2442
movzx r9d, r8w
mov edx, reloc.WS2_32.dll_sendto
movzx eax, r9b
lea r8, str.__d__d
shr r9d, 8
mov rcx, r10
mov dword [rsp + 0x20], eax
mov byte [r10], 0
call fcn.18039fd70
lea rax, [rbp + 0x20]
mov rcx, r14
lea r15, [rbx + 0x5d0]
mov qword [rsp + 0x20], rax
mov rdx, r15
lea r9, str.PORT
lea r8, str._s__s
call fcn.1803d7890
mov esi, eax
test eax, eax
je 0x1803c23f4
mov ecx, eax
call fcn.180387750
mov r8, rax
lea rdx, str.Failure_sending_PORT_command:__s
mov rcx, r14
call fcn.18039a620
jmp 0x1803c255c
cmp word [rsp + 0x70], 2
lea r9, str.EPRT
movzx eax, r8w
mov r15d, 0
mov dword [rsp + 0x30], eax
lea r8, str._s__d_s_hu
setne r15b
lea rax, [rbp - 0x10]
inc r15d
mov qword [rsp + 0x28], rax
mov dword [rsp + 0x20], r15d
mov rcx, r14
lea r15, [rbx + 0x5d0]
mov rdx, r15
call fcn.1803d7890
mov esi, eax
test eax, eax
je 0x1803c23f4
mov ecx, eax
call fcn.180387750
mov r8, rax
lea rdx, str.Failure_sending_EPRT_command:__s
mov rcx, r14
call fcn.18039a620
jmp 0x1803c255c
mov r8, r12
lea rdx, str.failed_to_resolve_the_address_provided_to_PORT:__s
mov rcx, r14
call fcn.18039a620
mov esi, 0x1e
mov rax, qword [r14 + 0x20]
mov byte [rax + 0x6c6], 0
mov r8, qword [rsp + 0x58]
cmp r8, 0xffffffffffffffff
je 0x1803c257d
mov rdx, rbx
mov rcx, r14
call fcn.1803c9780
mov rcx, qword [rsp + 0x60]
call qword [fcn.1803ea74c]
mov eax, esi
mov rcx, qword [rbp + 0x580]
xor rcx, rsp
call fcn.1803e3250
mov rbx, qword [rsp + 0x6e0]
add rsp, 0x690
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret