Function at 0x140027b60
Capabilities:
Get system information on windows
Parse pe header

Disassembly:
mov qword [rsp + 0x18], r8
mov qword [rsp + 0x10], rdx
mov qword [rsp + 8], rcx
push rbx
push r12
push r13
push r15
sub rsp, 0x78
xor r12d, r12d
mov r8, rdx
mov r13, r9
mov rdx, rcx
mov ebx, r12d
mov r15d, r12d
cmp r8, 0x40
jae 0x140027bab
mov ecx, reloc.WS2_32.dll_listen
call qword [sym.imp.KERNEL32.dll_SetLastError]
xor eax, eax
add rsp, 0x78
pop r15
pop r13
pop r12
pop rbx
ret
mov eax, 0x5a4d
cmp word [rcx], ax
je 0x140027bce
mov ecx, 0xc1
call qword [sym.imp.KERNEL32.dll_SetLastError]
xor eax, eax
add rsp, 0x78
pop r15
pop r13
pop r12
pop rbx
ret
movsxd rcx, dword [rcx + 0x3c]
lea rax, [rcx + 0x108]
cmp r8, rax
jb 0x140027b92
cmp dword [rcx + rdx], 0x4550
mov qword [rsp + 0xb8], rbp
lea rbp, [rcx + rdx]
jne 0x140027c05
mov eax, 0x8664
cmp word [rbp + 4], ax
jne 0x140027c05
mov eax, dword [rbp + 0x38]
test al, 1
je 0x140027c17
mov ecx, 0xc1
call qword [sym.imp.KERNEL32.dll_SetLastError]
xor eax, eax
jmp 0x140027efa
movzx ecx, word [rbp + 0x14]
mov r9, rax
movzx eax, word [rbp + 6]
add rcx, 0x24
mov qword [rsp + 0x68], rdi
cmp r12w, ax
jae 0x140027c65
add rcx, rbp
movzx r8d, ax
nop dword [rax + rax]
mov eax, dword [rcx + 4]
mov edx, dword [rcx]
test eax, eax
jne 0x140027c4f
lea rax, [r9 + rdx]
jmp 0x140027c51
add eax, edx
cmp rax, rbx
cmovbe rax, rbx
add rcx, 0x28
mov rbx, rax
sub r8, 1
jne 0x140027c40
lea rcx, [rsp + 0x30]
call qword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov edx, dword [rsp + 0x34]
mov eax, dword [rbp + 0x50]
lea rdi, [rdx - 1]
add rdi, rax
lea rcx, [rdx - 1]
not rcx
lea rax, [rdx - 1]
add rax, rbx
and rdi, rcx
and rax, rcx
cmp rdi, rax
je 0x140027ca9
mov ecx, 0xc1
call qword [sym.imp.KERNEL32.dll_SetLastError]
xor eax, eax
jmp 0x140027ef5
mov rcx, qword [rbp + 0x30]
mov r9d, 4
mov rbx, qword [rsp + 0xb0]
mov r8d, 0x3000
mov qword [rsp + 0x70], rsi
mov rdx, rdi
mov rsi, qword [rsp + 0xd8]
mov qword [rsp + 0x20], rsi
mov qword [rsp + 0x60], r14
call rbx
mov r14, rax
test rax, rax
jne 0x140027d07
lea r9d, [rax + 4]
mov qword [rsp + 0x20], rsi
mov r8d, 0x3000
mov rdx, rdi
xor ecx, ecx
call rbx
mov r14, rax
test rax, rax
je 0x140027f1c
movabs rdx, 0xffffffff00000000
lea rcx, [r14 + rdi]
mov rax, r14
and rcx, rdx
and rax, rdx
cmp rax, rcx
jae 0x140027d8d
mov ecx, reloc.WS2_32.dll_recv
call fcn.140176114
mov rbx, rax
test rax, rax
je 0x140027f29
mov qword [rax], r15
mov r9d, 4
mov r8d, 0x3000
mov qword [rax + 8], r14
mov rdx, rdi
mov qword [rsp + 0x20], rsi
xor ecx, ecx
mov r15, rax
call qword [rsp + 0xb0]
mov r14, rax
test rax, rax
je 0x140027f0e
lea rcx, [rax + rdi]
movabs rdx, 0xffffffff00000000
and rcx, rdx
and rax, rdx
cmp rax, rcx
jb 0x140027d23
mov rbx, qword [rsp + 0xb0]
call qword [sym.imp.KERNEL32.dll_GetProcessHeap]
mov edx, 8
mov rcx, rax
lea r8d, [rdx + 0x70]
call qword [sym.imp.KERNEL32.dll_HeapAlloc]
mov rdi, rax
test rax, rax
je 0x140027f29
mov qword [rax + 8], r14
movzx eax, word [rbp + 0x16]
shr eax, 0xd
and eax, 1
mov qword [rdi + 0x28], rbx
mov dword [rdi + 0x20], eax
mov rax, qword [rsp + 0xc0]
mov qword [rdi + 0x38], rax
mov rax, qword [rsp + 0xc8]
mov qword [rdi + 0x40], rax
mov rax, qword [rsp + 0xd0]
mov qword [rdi + 0x48], rax
mov qword [rdi + 0x30], r13
mov qword [rdi + 0x58], rsi
mov eax, dword [rsp + 0x34]
mov dword [rdi + 0x68], eax
mov qword [rdi + 0x70], r15
mov edx, dword [rbp + 0x54]
cmp qword [rsp + 0xa8], rdx
jae 0x140027f3f
mov ecx, reloc.WS2_32.dll_listen
call qword [sym.imp.KERNEL32.dll_SetLastError]
cmp dword [rdi + 0x1c], r12d
je 0x140027e35
mov rax, qword [rdi]
xor r8d, r8d
mov rcx, qword [rdi + 8]
xor edx, edx
mov r9d, dword [rax + 0x28]
add r9, rcx
call r9
mov rcx, qword [rdi + 0x50]
call fcn.14017610c
mov rcx, qword [rdi + 0x10]
test rcx, rcx
je 0x140027e7d
cmp dword [rdi + 0x18], r12d
jle 0x140027e78
mov rbx, r12
mov rcx, qword [rdi + 0x10]
mov rax, qword [rcx + rbx]
test rax, rax
je 0x140027e6b
mov rdx, qword [rdi + 0x58]
mov rcx, rax
call qword [rdi + 0x48]
mov rcx, qword [rdi + 0x10]
inc r12d
add rbx, 8
cmp r12d, dword [rdi + 0x18]
jl 0x140027e50
call fcn.14017610c
mov rcx, qword [rdi + 8]
test rcx, rcx
je 0x140027e95
mov r9, qword [rdi + 0x58]
xor edx, edx
mov r8d, 0x8000
call qword [rdi + 0x30]
mov rsi, qword [rdi + 0x70]
mov rbp, qword [rdi + 0x58]
mov r14, qword [rdi + 0x30]
test rsi, rsi
je 0x140027ed5
nop word [rax + rax]
mov rcx, qword [rsi + 8]
mov r9, rbp
xor edx, edx
mov r8d, 0x8000
call r14
mov rbx, qword [rsi]
mov rcx, rsi
call fcn.14017610c
mov rsi, rbx
test rbx, rbx
jne 0x140027eb0
call qword [sym.imp.KERNEL32.dll_GetProcessHeap]
mov r8, rdi
xor edx, edx
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_HeapFree]
xor eax, eax
mov rsi, qword [rsp + 0x70]
mov r14, qword [rsp + 0x60]
mov rdi, qword [rsp + 0x68]
mov rbp, qword [rsp + 0xb8]
add rsp, 0x78
pop r15
pop r13
pop r12
pop rbx
ret
mov rcx, rbx
mov rdx, r13
mov r8, rsi
call fcn.1400278b0
mov ecx, recvfrom
call qword [sym.imp.KERNEL32.dll_SetLastError]
jmp 0x140027ee9
mov r9, rsi
xor edx, edx
mov r8d, 0x8000
mov rcx, r14
call r13
mov rcx, r15
jmp 0x140027f11
mov r9d, 4
mov qword [rsp + 0x20], rsi
mov r8d, 0x1000
mov rcx, r14
call rbx
mov rsi, qword [rsp + 0xa0]
mov rcx, rax
mov r8d, dword [rbp + 0x54]
mov rdx, rsi
mov rbx, rax
call fcn.140174ce0
movsxd rax, dword [rsi + 0x3c]
mov r13d, r12d
add rax, rbx
mov qword [rdi], rax
mov qword [rax + 0x30], r14
mov rcx, qword [rdi]
mov r15, qword [rdi + 8]
movzx esi, word [rcx + 0x14]
add rsi, 0x24
cmp r12w, word [rcx + 6]
jae 0x140028060
add rsi, rcx
nop dword [rax]
mov edx, dword [rsi + 4]
test edx, edx
jne 0x140027ff1
movsxd rax, dword [rbp + 0x38]
test eax, eax
jle 0x140028049
mov ecx, dword [rsi]
lea r9d, [rdx + 4]
mov rbx, rax
add rcx, r15
mov rax, qword [rdi + 0x58]
mov rdx, rbx
mov r8d, 0x1000
mov qword [rsp + 0x20], rax
call qword [rdi + 0x28]
test rax, rax
je 0x140027e19
mov ecx, dword [rsi]
mov r8, rbx
add rcx, r15
xor edx, edx
mov dword [rsi - 4], ecx
call fcn.140174b20
jmp 0x140028049
mov eax, dword [rsi + 8]
add eax, edx
cmp qword [rsp + 0xa8], rax
jb 0x140027e0e
mov ecx, dword [rsi]
mov r9d, 4
mov rax, qword [rdi + 0x58]
add rcx, r15
mov r8d, 0x1000
mov qword [rsp + 0x20], rax
call qword [rdi + 0x28]
test rax, rax
je 0x140027e19
mov ebx, dword [rsi]
mov edx, dword [rsi + 8]
add rbx, r15
mov r8d, dword [rsi + 4]
mov rcx, rbx
add rdx, qword [rsp + 0xa0]
call fcn.140174ce0
mov dword [rsi - 4], ebx
mov rcx, qword [rdi]
inc r13d
add rsi, 0x28
movzx eax, word [rcx + 6]
cmp r13d, eax
jl 0x140027fa0
mov rbx, qword [rcx + 0x30]
sub rbx, qword [rbp + 0x30]
je 0x140028109
cmp dword [rcx + 0xb4], r12d
jne 0x14002807f
mov eax, r12d
jmp 0x14002810e
mov rsi, qword [rdi + 8]
mov r11d, dword [rcx + 0xb0]
add r11, rsi
mov eax, dword [r11]
test eax, eax
je 0x140028109
nop dword [rax]
nop dword [rax + rax]
mov r9d, dword [r11 + 4]
lea rdx, [r11 + 8]
mov r10d, eax
mov r8d, r12d
add r10, rsi
lea rax, [r9 - 8]
test rax, 0xfffffffffffffffe
jbe 0x1400280fc
nop dword [rax]
movzx eax, word [rdx]
mov ecx, eax
shr eax, 0xc
and ecx, 0xfff
cmp eax, 3
je 0x1400280de
cmp eax, 0xa
jne 0x1400280e2
add qword [rcx + r10], rbx
jmp 0x1400280e2
add dword [rcx + r10], ebx
mov r9d, dword [r11 + 4]
inc r8d
add rdx, 2
mov eax, r8d
lea rcx, [r9 - 8]
shr rcx, 1
cmp rax, rcx
jb 0x1400280c0
mov eax, r9d
add r11, rax
mov eax, dword [r11]
test eax, eax
jne 0x1400280a0
mov eax, 1
mov rcx, rdi
mov dword [rdi + 0x24], eax
call fcn.140027430
test eax, eax
je 0x140027e19
mov rcx, rdi
call fcn.140027690
test eax, eax
je 0x140027e19
mov rdx, qword [rdi]
mov rcx, rdx
mov eax, dword [rdx + 0xd0]
test eax, eax
je 0x14002817c
mov rsi, qword [rdi + 8]
mov rbx, qword [rax + rsi + 0x18]
test rbx, rbx
je 0x14002817c
mov rax, qword [rbx]
test rax, rax
je 0x14002817c
nop word [rax + rax]
xor r8d, r8d
mov rcx, rsi
lea edx, [r8 + 1]
call rax
mov rax, qword [rbx + 8]
lea rbx, [rbx + 8]
test rax, rax
jne 0x140028160
mov rcx, qword [rdi]
mov eax, dword [rcx + 0x28]
test eax, eax
je 0x1400281c1
add rax, r14
cmp dword [rdi + 0x20], r12d
je 0x1400281b5
xor r8d, r8d
mov rcx, r14
lea edx, [r8 + 1]
call rax
test eax, eax
jne 0x1400281a6
mov ecx, 0x45a
jmp 0x140027e13
mov dword [rdi + 0x1c], 1
mov rax, rdi
jmp 0x140027eeb
mov qword [rdi + 0x60], rax
mov rax, rdi
jmp 0x140027eeb
mov qword [rdi + 0x60], r12
mov rax, rdi
jmp 0x140027eeb