Function at 0x1801b8740
Capabilities:
Access the windows event log
Write file on windows

Disassembly:
pop rdx
adc al, 0x59
cmp dword [rbx], esi
invalid
sub eax, 0xbe655884
je 0x1800504c0
xor byte [rsi + 0x6417f3d0], ah
mov edi, ds
jo 0x18005057e
in al, 0x42
jne 0x180050535
xor eax, 0xc8237c80
in al, dx
in al, 0x7f
invalid
fxam
push rbx
xchg ecx, eax
cld
ficom word [rdx - 0x726856fb]
stc
rol dword [rsi + 0x79], cl
invalid
ror byte [rdx - 0x5ecfb998], 0x39
fsub qword [rbp - 0x5d]
invalid
mov qword [rsp + 8], rcx
mov qword [rsp + 0x10], rdx
mov qword [rsp + 0x18], r8
mov qword [rsp + 0x20], r9
push rbp
push rbx
push rsi
push rdi
push r14
push r15
mov eax, 0x278
call fcn.18038e800
sub rsp, rax
lea rbp, [rsp + 0x50]
mov rax, qword [0x1804de580]
xor rax, rbp
mov qword [rbp + 0x210], rax
mov ecx, 0xfffffff4
call qword [sym.imp.KERNEL32.dll_GetStdHandle]
mov rbx, rax
test rax, rax
je 0x1801b8803
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_GetFileType]
test eax, eax
je 0x1801b8803
lea rdi, [rbp + 0x268]
call fcn.18012a5b0
mov r9, qword [rbp + 0x260]
lea rdx, [rbp + 0x10]
mov qword [rsp + 0x28], rdi
xor esi, esi
mov edi, 0x200
mov qword [rsp + 0x20], rsi
mov rcx, qword [rax]
mov r8d, edi
or rcx, 1
call fcn.18039cf94
test eax, eax
mov qword [rsp + 0x20], rsi
mov ecx, 0xffffffff
lea r9, [rbp]
cmovs eax, ecx
lea rdx, [rbp + 0x10]
test eax, eax
mov rcx, rbx
cmovs eax, edi
mov r8d, eax
call qword [sym.imp.KERNEL32.dll_WriteFile]
jmp 0x1801b8abd
mov r8, qword [rbp + 0x260]
mov rcx, r8
call fcn.1801b8b40
lea r9d, [rax + 1]
lea rax, [r9 + r9]
mov ebx, r9d
lea rcx, [rax + 0xf]
cmp rcx, rax
ja 0x1801b8830
movabs rcx, 0xffffffffffffff0
and rcx, 0xfffffffffffffff0
mov rax, rcx
call fcn.18038e800
sub rsp, rcx
xor esi, esi
lea rdi, [rsp + 0x50]
test rdi, rdi
jne 0x1801b8857
lea rdi, str.no_stack_
jmp 0x1801b8a0b
mov dword [rsp + 0x28], r9d
xor edx, edx
xor ecx, ecx
mov qword [rsp + 0x20], rdi
call qword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
test eax, eax
jne 0x1801b898d
mov rcx, rsi
test rbx, rbx
je 0x1801b896c
cmp rbx, 4
jb 0x1801b8971
mov rdx, qword [rbp + 0x260]
lea r8, [rbx - 1]
lea r8, [rdi + r8*2]
lea rax, [rdx - 1]
add rax, rbx
cmp rdi, rax
ja 0x1801b88ad
cmp r8, rdx
jae 0x1801b8980
cmp rbx, 0x20
jb 0x1801b8939
mov rdx, rbx
mov r9, rbx
and edx, 0x1f
sub r9, rdx
mov rax, qword [rbp + 0x260]
lea r8, [rdi + 0x20]
add rax, 0x10
movq xmm0, qword [rax - 0x10]
lea r8, [r8 + 0x40]
movq xmm1, qword [rax - 8]
lea rax, [rax + 0x20]
punpcklbw xmm0, xmm0
add rcx, 0x20
punpcklbw xmm1, xmm1
psraw xmm0, 8
psraw xmm1, 8
movdqu xmmword [r8 - 0x60], xmm0
movq xmm0, qword [rax - 0x20]
punpcklbw xmm0, xmm0
psraw xmm0, 8
movdqu xmmword [r8 - 0x50], xmm1
movq xmm1, qword [rax - 0x18]
punpcklbw xmm1, xmm1
psraw xmm1, 8
movdqu xmmword [r8 - 0x40], xmm0
movdqu xmmword [r8 - 0x30], xmm1
cmp rcx, r9
jb 0x1801b88d2
cmp rdx, 4
jb 0x1801b896c
mov rax, rbx
and rax, 0xfffffffffffffffc
mov rdx, qword [rbp + 0x260]
nop word [rax + rax]
movd xmm0, dword [rcx + rdx]
punpcklbw xmm0, xmm0
psraw xmm0, 8
movq qword [rdi + rcx*2], xmm0
add rcx, 4
cmp rcx, rax
jb 0x1801b8950
cmp rcx, rbx
jae 0x1801b898d
mov rdx, qword [rbp + 0x260]
nop dword [rax + rax]
movsx eax, byte [rcx + rdx]
mov word [rdi + rcx*2], ax
inc rcx
jmp 0x1801b896c
mov r8, rsi
test rbx, rbx
je 0x1801b8a0b
mov r10d, 0x53
lea r9, [0x180000000]
lea r11d, [r10 + 0x20]
lea r14d, [r10 - 0x10]
lea r15d, [r10 + 0x10]
nop
cmp word [rdi + r8*2], 0x25
jne case.0x1801b89e2.47
lea rdx, [rdi + 2]
lea rdx, [rdx + r8*2]
movzx eax, word [rdx]
add eax, 0xffffffd6
cmp eax, 0x49
ja case.0x1801b89e2.47
movsxd rcx, eax
movzx eax, byte [r9 + rcx + 0x1b8af4]
mov ecx, dword [r9 + rax*4 + 0x1b8adc]
add rcx, r9
jmp rcx
inc r8
add rdx, 2
jmp 0x1801b89c0
mov word [rdx], r10w
jmp case.0x1801b89e2.47
mov word [rdx], r11w
jmp case.0x1801b89e2.47
mov word [rdx], r14w
jmp case.0x1801b89e2.47
mov word [rdx], r15w
inc r8
cmp r8, rbx
jb 0x1801b89b0
lea rbx, [rbp + 0x268]
call fcn.18012a5b0
mov qword [rsp + 0x28], rbx
lea rdx, [rbp + 0x10]
mov r9, rdi
mov qword [rsp + 0x20], rsi
mov r8d, 0xff
mov rcx, qword [rax]
or rcx, 1
call fcn.18039d2fc
mov word [rbp + 0x20e], si
call fcn.1801b85d0
xor ecx, ecx
test eax, eax
jle 0x1801b8aa6
lea rdx, str.OpenSSL
call qword [sym.imp.ADVAPI32.dll_RegisterEventSourceW]
mov rbx, rax
test rax, rax
je 0x1801b8abd
mov qword [rsp + 0x40], rsi
lea rax, [rbp + 0x10]
mov ecx, 1
mov qword [rbp], rax
lea rax, [rbp]
mov edx, ecx
mov qword [rsp + 0x38], rax
xor r8d, r8d
mov dword [rsp + 0x30], esi
xor r9d, r9d
mov word [rsp + 0x28], cx
mov rcx, rbx
mov qword [rsp + 0x20], rsi
call qword [sym.imp.ADVAPI32.dll_ReportEventW]
mov rcx, rbx
call qword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
jmp 0x1801b8abd
mov r9d, reloc.WS2_32.dll_recv
lea r8, str.OpenSSL:_FATAL
lea rdx, [rbp + 0x10]
call qword [sym.imp.USER32.dll_MessageBoxW]
mov rcx, qword [rbp + 0x210]
xor rcx, rbp
call fcn.18038db10
lea rsp, [rbp + 0x228]
pop r15
pop r14
pop rdi
pop rsi
pop rbx
pop rbp
ret