Function at 0x4c1590
Capabilities:
Access peb ldr_data
Check for peb beingdebugged flag

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
push eax
mov edi, dword [ebp + 8]
call fcn.004426f0
test edi, edi
je 0x4c16bb
prefetcht0 byte [edi]
mov eax, edi
and eax, 0xffe00000
mov esi, dword [eax + 0x1000]
mov ecx, edi
shr ecx, 9
and ecx, 0xfe0
lea edx, [eax + ecx]
add edx, 0x1000
movzx eax, byte [edx + 0x1e]
and eax, 0x3f
shl eax, 5
mov ebx, edi
sub ebx, dword [esi + 0xc]
sub edx, eax
prefetcht0 byte [edx]
cmp byte [esi], 2
mov dword [ebp - 0x10], edx
je 0x4c16c3
cmp byte [esi + 6], 0
je 0x4c161a
mov eax, dword [ebx]
cmp eax, 1
jne 0x4c1849
mov eax, dword [ebx]
mov ecx, eax
and ecx, 0xfffffffe
lock cmpxchg dword [ebx], ecx
jne 0x4c15fe
test al, 1
je 0x4c1871
cmp eax, 1
jne 0x4c1876
cmp byte [esi + 2], 0
je 0x4c179d
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 8]
lea ecx, [esi + 0x48]
cmp ecx, eax
ja 0x4c179d
lea edx, [esi + 0x8c8]
cmp edx, eax
jb 0x4c179d
mov edx, dword [0x4e5e14]
mov edi, dword fs:[0x2c]
mov edx, dword [edi + edx*4]
mov edi, dword [edx + 0x90]
cmp edi, 2
jb 0x4c179d
sub eax, ecx
sar eax, 5
add dword [edi + 0x30], 1
adc dword [edi + 0x34], 0
movzx ecx, word [0x4e4d28]
cmp eax, ecx
ja 0x4c1795
mov ecx, dword [edi + eax*8 + 0x58]
bswap ecx
mov dword [ebx], ecx
not ecx
mov dword [ebx + 4], ecx
mov dword [edi + eax*8 + 0x58], ebx
inc byte [edi + eax*8 + 0x5c]
movzx ecx, word [edi + eax*8 + 0x5e]
add dword [edi], ecx
add dword [edi + 0x38], 1
adc dword [edi + 0x3c], 0
mov cl, byte [edi + eax*8 + 0x5d]
cmp byte [edi + eax*8 + 0x5c], cl
ja 0x4c1822
mov al, byte [edi + 4]
test al, 1
jne 0x4c183b
add esp, 4
pop esi
pop edi
pop ebx
pop ebp
ret
mov al, byte [0x4e5d51]
test al, 1
jne 0x4c189b
mov eax, ebx
shr eax, 0x15
cmp word [eax + eax + 0x4e4d2c], 0xfffe
jne 0x4c15eb
mov eax, dword [edx + 8]
test byte [edx + 0xf], 8
jne 0x4c18a8
lea edx, [eax + 0xc]
mov eax, dword [eax + 0xc]
mov dword [ebp - 0x10], eax
cmp byte [0x4e5d53], 1
jne 0x4c1714
mov eax, dword [edx]
sub eax, dword [esi + 8]
push eax
push 0
push edi
call fcn.0046e590
add esp, 0xc
mov ecx, dword [0x4e5d3c]
and ecx, 1
mov eax, 2
sub eax, ecx
mov ecx, ebx
shr cl, 2
and cl, 0x1e
shl eax, cl
mov ecx, ebx
and ecx, 0xffe00000
not eax
shr ebx, 5
and ebx, 0xfffc
lock and dword [ebx + ecx + 0x4000], eax
mov ecx, dword [ebp - 0x10]
mov eax, ecx
lock xadd dword [0x4e5d34], eax
add eax, ecx
mov ecx, dword [0x4e5d38]
cmp eax, ecx
jbe 0x4c16bb
mov ecx, dword [0x4e5d4c]
call fcn.004c2410
test al, al
je 0x4c16bb
mov al, byte [0x4e5d50]
test al, al
jne 0x4c16bb
push 1
call fcn.004b7c90
add esp, 8
jmp 0x4c16be
add dword [edi + 0x40], 1
adc dword [edi + 0x44], 0
mov dword [ebx], 0
lea edi, [esi + 0x40]
push edi
call dword [sym.imp.KERNEL32.dll_TryAcquireSRWLockExclusive]
test al, al
jne 0x4c17b8
mov ecx, edi
call fcn.0045bf70
mov edx, dword [ebp - 0x10]
mov eax, dword [edx + 8]
mov eax, dword [eax + 0xc]
sub dword [esi + 0x8fc], eax
mov eax, dword [edx]
cmp eax, ebx
je 0x4c18b5
bswap eax
mov dword [ebx], eax
not eax
mov dword [ebx + 4], eax
mov dword [edx], ebx
mov eax, dword [edx + 0xc]
mov ecx, eax
and ecx, 0xefffffff
mov dword [edx + 0xc], ecx
test eax, 0x3ffe
je 0x4c18b8
mov ecx, edx
mov edx, 0x3ffe
lea esi, [eax + edx]
and esi, edx
mov edx, eax
and edx, 0xefffc001
or edx, esi
mov dword [ecx + 0xc], edx
test al, 1
jne 0x4c188f
test esi, esi
je 0x4c188f
push edi
call dword [sym.imp.KERNEL32.dll_ReleaseSRWLockExclusive]
jmp 0x4c16bb
lea eax, [edi + eax*8]
add eax, 0x58
movzx edx, cl
shr edx, 1
mov ecx, edi
push edx
push eax
call fcn.0045b880
jmp 0x4c16b0
mov ecx, edi
add esp, 4
pop esi
pop edi
pop ebx
pop ebp
jmp fcn.0045bbe0
test byte [edx + 0xf], 8
jne 0x4c18b0
mov eax, dword [edx + 8]
add eax, 0xc
mov eax, dword [eax]
sub eax, dword [esi + 8]
push eax
push 0xef
push edi
call fcn.0046e590
add esp, 0xc
mov edx, dword [ebp - 0x10]
jmp 0x4c15fc
call fcn.004b45b0
mov eax, dword [edx + 8]
mov eax, dword [eax + 0xc]
lock add dword [esi + 0x918], eax
lock inc dword [esi + 0x91c]
jmp 0x4c16bb
push 1
call fcn.00445c80
jmp 0x4c1816
call fcn.004b7cb0
mov edx, dword [ebp - 0x10]
jmp 0x4c16d0
add edx, 0x20
jmp 0x4c16f4
lea eax, [edx + 0x20]
jmp 0x4c1855
int3
int3