joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4672b0
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5a09b0
mov eax, dword fs:[0]
push eax
push ebx
mov eax, 0x100c8
call fcn.005738a0
mov eax, dword [0x615e80]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x100d4], esi
mov dword [ebp - 0x100d0], esi
cmp dword [edx + 0x14], 7
mov dword [ebp - 0x100d0], esi
mov dword [ebp - 0x100cc], 0
jbe 0x46731b
mov edx, dword [edx]
push 0x60d1d0
push edx
lea eax, [ebp - 0x100cc]
push eax
call fcn.0057f22d
add esp, 0xc
cmp dword [ebp - 0x100cc], 0
jne 0x467365
xorps xmm0, xmm0
mov eax, esi
movups xmmword [esi], xmm0
mov dword [esi + 0x10], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x10], 0
mov dword [esi + 0x14], 0xf
mov byte [esi], 0
jmp 0x4674eb
lea eax, [ebp - 0x100c8]
push eax
call fcn.0046b6d0
add esp, 4
lea eax, [ebp - 0x10040]
push dword [ebp - 0x100cc]
push 0x10000
push 1
push eax
call fcn.0057ffb9
add esp, 0x10
test eax, eax
je 0x4673cb
push eax
lea eax, [ebp - 0x10040]
push eax
lea eax, [ebp - 0x100c8]
push eax
call fcn.0046b730
add esp, 0xc
lea eax, [ebp - 0x10040]
push dword [ebp - 0x100cc]
push 0x10000
push 1
push eax
call fcn.0057ffb9
add esp, 0x10
test eax, eax
jne 0x467394
lea eax, [ebp - 0x100c8]
push eax
lea eax, [ebp - 0x3c]
push eax
call fcn.0046b3f0
push dword [ebp - 0x100cc]
call fcn.0057fd4f
xorps xmm0, xmm0
mov dword [ebp - 0x10048], 0
movups xmmword [ebp - 0x10058], xmm0
add esp, 0xc
mov dword [ebp - 0x10044], 0xf
mov byte [ebp - 0x10058], 0
lea eax, [ebp - 0x3c]
mov dword [ebp - 4], 0
mov dword [ebp - 0x100d0], eax
nop
movzx eax, byte [eax]
push eax
push str._02x
lea eax, [ebp - 0x1c]
push 7
push eax
call fcn.004480d0
lea esi, [ebp - 0x1c]
add esp, 0x10
lea ecx, [esi + 1]
nop dword [eax]
mov al, byte [esi]
inc esi
test al, al
jne 0x467440
mov edx, dword [ebp - 0x10044]
sub esi, ecx
mov ecx, dword [ebp - 0x10048]
mov eax, edx
sub eax, ecx
push esi
cmp esi, eax
ja 0x46748c
lea eax, [esi + ecx]
cmp edx, 0xf
mov dword [ebp - 0x10048], eax
lea edi, [ebp - 0x10058]
cmova edi, dword [ebp - 0x10058]
lea eax, [ebp - 0x1c]
add edi, ecx
push eax
push edi
call fcn.005772a0
add esp, 0xc
mov byte [edi + esi], 0
jmp 0x4674a2
lea eax, [ebp - 0x1c]
push eax
push dword [ebp - 0x100d4]
lea ecx, [ebp - 0x10058]
push esi
call fcn.004524c0
mov eax, dword [ebp - 0x100d0]
lea ecx, [ebp - 0x1c]
inc eax
mov dword [ebp - 0x100d0], eax
cmp eax, ecx
jne 0x467420
mov eax, dword [ebp - 0x100d4]
xorps xmm0, xmm0
movups xmmword [eax], xmm0
mov dword [eax + 0x10], 0
movups xmm0, xmmword [ebp - 0x10058]
mov dword [eax + 0x14], 0
movups xmmword [eax], xmm0
movq xmm0, qword [ebp - 0x10048]
movq qword [eax + 0x10], xmm0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.00573140
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
Function at 0x47b8a0
Capabilities:
Encode data using add xor sub operations
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005738a0
push edi
mov edi, dword [esp + 0xc]
xor eax, eax
mov dword [esp + 4], eax
test edi, edi
je 0x47b920
mov cl, byte [edi]
test cl, cl
je 0x47b920
push ebx
push esi
mov ebx, 0x100
nop word [eax + eax]
movd xmm1, dword [esp + 0xc]
lea edi, [edi + 1]
movsx esi, cl
mov edx, 0x20
or esi, ebx
add ebx, 0x100
mov ecx, esi
shr ecx, 2
xor ecx, esi
imul esi, esi
and ecx, 0xf
sub edx, ecx
shl eax, cl
mov cl, byte [edi]
movd xmm0, edx
psrlq xmm1, xmm0
movd edx, xmm1
or eax, edx
xor eax, esi
mov dword [esp + 0xc], eax
test cl, cl
jne 0x47b8d0
mov ecx, eax
pop esi
shr ecx, 0x10
pop ebx
xor eax, ecx
pop edi
pop ecx
ret
xor eax, eax
pop edi
pop ecx
ret

Function at 0x47b9c0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005738a0
push ebx
mov ebx, dword [esp + 0xc]
push esi
xor esi, esi
mov dword [esp + 8], esi
test ebx, ebx
je 0x47ba43
mov al, byte [ebx]
test al, al
je 0x47ba43
push ebp
push edi
mov ebp, 0x100
movsx eax, al
push eax
call fcn.0047a6c0
movd xmm1, dword [esp + 0x14]
lea ebx, [ebx + 1]
mov edi, eax
mov edx, 0x20
or edi, ebp
add esp, 4
mov ecx, edi
add ebp, 0x100
shr ecx, 2
xor ecx, edi
imul edi, edi
and ecx, 0xf
sub edx, ecx
shl esi, cl
movd xmm0, edx
psrlq xmm1, xmm0
movd eax, xmm1
or esi, eax
mov al, byte [ebx]
xor esi, edi
mov dword [esp + 0x10], esi
test al, al
jne 0x47b9e7
mov eax, esi
pop edi
shr eax, 0x10
pop ebp
xor eax, esi
pop esi
pop ebx
pop ecx
ret
pop esi
xor eax, eax
pop ebx
pop ecx
ret
Function at 0x5088d0
Capabilities:
Encode data using xor

Disassembly:
cmp dword [esp + 0x18], 0
je 0x5088e4
mov dword [esp + 0x18], fcn.005070a0
jmp fcn.00500610
mov dword [esp + 0x18], fcn.00506340
jmp fcn.00500310

Function at 0x51c4b0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
mov ebx, dword [ebp + 8]
mov edx, 0x40000000
push esi
mov esi, dword [ebp + 0x14]
push edi
mov edi, dword [ebp + 0x10]
mov dword [esi], 0
nop word [eax + eax]
mov eax, edi
sub eax, dword [esi]
cmp eax, 0x40000000
cmova eax, edx
push eax
mov eax, dword [ebp + 0xc]
add eax, dword [esi]
push eax
push dword [ebx + 0x14]
call fcn.0058dd55
add esp, 0xc
test eax, eax
jle 0x51c4ff
add dword [esi], eax
mov edx, 0x40000000
cmp dword [esi], edi
jb 0x51c4d0
test eax, eax
jns 0x51c521
call fcn.00580b9f
push dword [eax]
call fcn.00582b77
push eax
push 0xffffffffffffffff
push ebx
call fcn.0051bdc0
add esp, 0x10
or eax, 0xffffffff
pop edi
pop esi
pop ebx
pop ebp
ret
test eax, eax
jne 0x51c52c
mov dword [ebx + 0x40], 1
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret

Function at 0x51e8f0
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.0051e900

Function at 0x51eb80
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.0051eb90

Function at 0x51eeb0
Capabilities:
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
movzx eax, dl
shr edx, 8
xor edx, dword [eax*4 + 0x5f4e50]
movzx eax, dl
shr edx, 8
xor edx, dword [eax*4 + 0x5f4e50]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x5f4e50]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x5f4e50]
mov eax, edx
pop ebp
ret
Function at 0x52c370
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x52c3fc
push esi
call fcn.0053f780
add esp, 4
test al, al
jne 0x52c3fc
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x52c393
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.0054b090
add esp, 0xc
test eax, eax
je 0x52c3c7
sub eax, esi
push eax
push 0x2e
push esi
call fcn.0054b090
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x52c3c9
inc ebx
mov ecx, esi
sub ecx, ebx
add edi, ecx
test ebx, ebx
cmovne esi, ebx
mov ebx, 0x1505
add edi, esi
cmp esi, edi
jae 0x52c3f5
mov al, byte [esi]
push eax
call fcn.0053b510
movsx ecx, al
inc esi
mov eax, ebx
add esp, 4
shl eax, 5
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp esi, edi
jb 0x52c3d7
pop edi
movzx eax, bl
pop ebx
pop esi
ret
xor eax, eax
pop esi
ret
Function at 0x536d10
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp byte [edi + 0x6f9], 0
je 0x536da7
cmp dword [edi + 0x1a8], 0
je 0x536d61
push esi
push 1
push edi
call fcn.00527460
push dword [edi + 0x14c]
mov eax, dword [edi + 0x1a8]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.00527460
add esp, 0x24
mov eax, esi
pop esi
pop edi
ret
mov edx, dword [esp + 0xc]
mov ecx, edx
sub ecx, 0
je 0x536d76
sub ecx, 1
je 0x536d76
sub ecx, 1
jne 0x536da7
push dword [edi + 0x148]
lea eax, [edx*2 + 0x5f83f0]
push 1
add eax, edx
push 2
push eax
call fcn.0058089e
push dword [edi + 0x148]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call fcn.0058089e
add esp, 0x20
xor eax, eax
pop edi
ret

Function at 0x537350
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x10c
mov eax, dword [0x615e80]
xor eax, esp
mov dword [esp + 0x108], eax
mov eax, dword [esp + 0x118]
push ebx
mov ebx, dword [esp + 0x114]
mov dword [esp + 8], eax
mov eax, dword [esp + 0x124]
mov dword [esp + 4], eax
xor eax, eax
mov ecx, dword [ebx + 0xc]
push ebp
push esi
mov esi, 0x178
mov edx, dword [ecx + 0x154]
cmp dword [esp + 0x120], edx
push edi
sete al
lea eax, [eax*4 + 0x150]
mov ebp, dword [eax + ecx]
mov eax, 0x188
cmove esi, eax
mov eax, dword [ecx + 0x2a8]
add esi, ecx
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x44], 3
je 0x537453
xor eax, eax
cmp dword [esp + 0x124], edx
sete al
lea eax, [eax*4 + 0x168]
cmp dword [eax + ecx], 0x537010
jne 0x537453
cmp dword [esi], 0
je 0x5373ee
test edi, edi
je 0x537453
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.00547360
add esp, 0x14
cmp eax, 0xffffffff
je 0x537453
test al, 1
je 0x537453
mov ecx, dword [esi]
test ecx, ecx
jne 0x53743c
mov eax, dword [ebx + 0x4c8]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x615e24]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
test ecx, ecx
je 0x537487
mov edi, dword [esi + 4]
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push ebp
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x537453
add dword [esi + 8], eax
push 0
push dword [esp + 0x130]
push dword [esp + 0x1c]
push ebp
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
xor eax, eax
cmp edi, 0xffffffff
jne 0x5374c2
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x537498
xor edi, edi
lea eax, [edi + 0x51]
jmp 0x5374c2
mov ecx, dword [esp + 0x10]
mov eax, 0x1b
mov dword [ecx], 0xffffffff
jmp 0x5374c8
push 0x100
lea eax, [esp + 0x1c]
push eax
push esi
call fcn.0054a470
push eax
push str.Send_failure:__s
push ebx
call fcn.00536db0
add esp, 0x18
mov dword [ebx + 0x948], esi
mov eax, 0x37
mov ecx, dword [esp + 0x10]
mov dword [ecx], edi
mov ecx, dword [esp + 0x118]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00573140
add esp, 0x10c
ret
Function at 0x537930
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x1a4], 0
je 0x53794d
push eax
call fcn.00530800
add esp, 4
test eax, eax
jne 0x53796c
xor al, al
ret
mov eax, dword [eax + 0x150]
cmp eax, 0xffffffff
je 0x53794a
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x53794a
mov al, 1
ret

Function at 0x537bc0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
mov eax, dword [0x615e80]
xor eax, esp
mov dword [esp + 0x184], eax
push ebx
mov ebx, dword [esp + 0x190]
lea eax, [esp + 8]
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [esp + 0x1a4]
push 0x80
push 0
push eax
mov dword [esp + 0x18], 0x80
call fcn.00577820
add esp, 0xc
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x1a4]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x537c47
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.0054a470
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
jmp 0x537c87
push edi
push esi
push dword [esp + 0x14]
lea eax, [esp + 0x1c]
push eax
call fcn.005377a0
add esp, 0x10
test al, al
jne 0x537c90
call fcn.00580b9f
mov esi, dword [eax]
call fcn.00580b9f
mov edi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.0054a470
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00536db0
add esp, 0x1c
mov ecx, dword [esp + 0x190]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.00573140
add esp, 0x188
ret

Function at 0x538480
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xc
mov eax, dword [0x61b574]
mov dword [esp + 4], 0x4020
mov dword [esp], 0
mov dword [esp + 8], 4
test eax, eax
jne 0x5384d1
push 3
push 2
push eax
push eax
push 6
call fcn.00565260
add esp, 0x14
test al, al
je 0x5384c5
mov dword [0x61b574], 2
add esp, 0xc
ret
mov dword [0x61b574], 1
jmp 0x5384d6
cmp eax, 2
je 0x53851c
lea eax, [esp + 8]
push eax
lea eax, [esp + 4]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x538501
mov eax, dword [esp]
cmp eax, dword [esp + 4]
jg 0x53851c
push 4
lea eax, [esp + 8]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_setsockopt]
add esp, 0xc
ret
Function at 0x5399a0
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x5f8858
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x5399ba
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x5f8874
push esi
call fcn.0058a590
add esp, 8
test eax, eax
je 0x539a02
test ebp, ebp
je 0x5399f3
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x539a28
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x539a28
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x539adf
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x539a45
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x615e24]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x539ad5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x539ad5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x539a77
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x539a90
sub ecx, edx
sub ecx, esi
add ecx, ebx
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x539aa0
test ebp, ebp
je 0x539acc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x615e28]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x615e28]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x53f8e0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x53f8f2
mov eax, dword [eax + 0x70]
mov al, byte [eax + 0xe3]
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x53f906
xor al, al
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
ret
Function at 0x54b750
Capabilities:
Move file

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
call fcn.0053ece0
push dword [esp + 0x38]
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x18], xmm0
call fcn.005832f4
push dword [esp + 0x40]
mov edi, eax
call fcn.005832f4
mov ebx, dword [sym.imp.KERNEL32.dll_MoveFileExA]
add esp, 0xc
mov esi, eax
push 1
push esi
push edi
call ebx
test eax, eax
jne 0x54b7e5
mov ebp, dword [sym.imp.KERNEL32.dll_Sleep]
nop dword [eax + eax]
lea eax, [esp + 0x20]
push eax
call fcn.0053ece0
movups xmm0, xmmword [esp + 0x14]
sub esp, 0xc
mov ecx, esp
sub esp, 0x10
movups xmmword [ecx], xmm0
mov ecx, esp
movups xmm0, xmmword [eax]
movups xmmword [ecx], xmm0
call fcn.0053ed90
add esp, 0x20
test edx, edx
ja 0x54b809
jb 0x54b7d7
cmp eax, 0x3e8
ja 0x54b809
push 1
call ebp
push 1
push esi
push edi
call ebx
test eax, eax
je 0x54b7a0
test edi, edi
je 0x54b7f2
push edi
call fcn.0057e377
add esp, 4
test esi, esi
je 0x54b7ff
push esi
call fcn.0057e377
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
test edi, edi
je 0x54b816
push edi
call fcn.0057e377
add esp, 4
test esi, esi
je 0x54b823
push esi
call fcn.0057e377
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x20
ret
Function at 0x54b970
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get local ipv4 addresses
Get socket information
Set socket configuration
Start tcp server

Disassembly:
sub esp, 0x34
mov eax, dword [0x615e80]
xor eax, esp
mov dword [esp + 0x30], eax
push esi
push edi
mov edi, dword [esp + 0x4c]
push 6
push 1
push 2
mov dword [esp + 0x14], 0x10
mov dword [esp + 0x18], 1
call dword [sym.imp.WS2_32.dll_socket]
mov esi, eax
cmp esi, 0xffffffff
je 0x54bb62
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [esp + 0x24], xmm0
mov word [esp + 0x1c], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov dword [esp + 0x1c], eax
xor eax, eax
push 4
mov word [esp + 0x1e], ax
lea eax, [esp + 0x10]
push eax
push 4
push 0xffff
push esi
mov dword [edi + 4], 0xffffffff
mov dword [edi], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x54bb50
push 0x10
lea eax, [esp + 0x1c]
push eax
push esi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x54bb50
lea eax, [esp + 8]
push eax
lea eax, [esp + 0x1c]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x54bb50
cmp dword [esp + 8], 0x10
jl 0x54bb50
push 1
push esi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x54bb50
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [edi], eax
cmp eax, 0xffffffff
je 0x54bb50
push 0x10
lea ecx, [esp + 0x1c]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x54bb50
push 1
push esi
call fcn.00564bd0
add esp, 8
test eax, eax
js 0x54bb50
push 0
push 0x2710
lea eax, [esp + 0x18]
mov dword [esp + 0x18], esi
push 1
push eax
mov dword [esp + 0x24], 0x300
call fcn.00546f90
add esp, 0x10
push 0
push 0
push esi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [edi + 4], eax
cmp eax, 0xffffffff
je 0x54bb50
lea eax, [esp + 8]
mov dword [esp + 8], 0x10
push eax
lea eax, [esp + 0x1c]
push eax
push dword [edi]
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x54bb50
cmp dword [esp + 8], 0x10
jl 0x54bb50
lea eax, [esp + 8]
mov dword [esp + 8], 0x10
push eax
lea eax, [esp + 0x2c]
push eax
push dword [edi + 4]
call dword [sym.imp.WS2_32.dll_getpeername]
cmp eax, 0xffffffff
je 0x54bb50
cmp dword [esp + 8], 0x10
jl 0x54bb50
mov ax, word [esp + 0x18]
cmp ax, word [esp + 0x28]
jne 0x54bb50
mov eax, dword [esp + 0x1c]
cmp eax, dword [esp + 0x2c]
jne 0x54bb50
mov ax, word [esp + 0x1a]
cmp ax, word [esp + 0x2a]
jne 0x54bb50
push esi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.00573140
add esp, 0x34
ret
push esi
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
call esi
push dword [edi]
call esi
push dword [edi + 4]
call esi
mov ecx, dword [esp + 0x38]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, esp
call fcn.00573140
add esp, 0x34
ret
Function at 0x54bbb0
Capabilities:
Resolve dns

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x20]
push ebx
xor ebx, ebx
mov dword [esp + 0xc], ebx
mov dword [eax], ebx
lea eax, [esp + 0x10]
push eax
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 4], eax
test eax, eax
jne 0x54bd41
push esi
mov esi, dword [esp + 0x14]
test esi, esi
je 0x54bd2c
push ebp
push edi
mov eax, dword [esi + 0x14]
test eax, eax
je 0x54bc0e
lea edx, [eax + 1]
nop dword [eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x54bc00
sub eax, edx
lea ecx, [eax + 1]
jmp 0x54bc10
xor ecx, ecx
mov eax, dword [esi + 4]
mov dword [esp + 0x14], ecx
cmp eax, 2
jne 0x54bc21
lea ebp, [eax + 0xe]
jmp 0x54bc2d
cmp eax, 0x17
jne 0x54bcce
lea ebp, [eax + 5]
cmp dword [esi + 0x18], 0
je 0x54bcce
mov eax, dword [esi + 0x10]
test eax, eax
je 0x54bcce
cmp eax, ebp
jb 0x54bcce
lea eax, [ecx + 0x20]
add eax, ebp
push eax
call dword [0x615e24]
mov edi, eax
add esp, 4
test edi, edi
je 0x54bd1d
mov ecx, dword [esi]
mov dword [edi], ecx
mov ecx, dword [esi + 4]
mov dword [edi + 4], ecx
mov ecx, dword [esi + 8]
mov dword [edi + 8], ecx
mov eax, dword [esi + 0xc]
mov dword [edi + 0xc], eax
lea eax, [edi + 0x20]
push ebp
mov dword [edi + 0x10], ebp
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
mov dword [edi + 0x18], eax
push dword [esi + 0x18]
push eax
call fcn.005772a0
mov ecx, dword [esp + 0x20]
add esp, 0xc
test ecx, ecx
je 0x54bcba
mov eax, dword [edi + 0x18]
add eax, ebp
push ecx
mov dword [edi + 0x14], eax
push dword [esi + 0x14]
push eax
call fcn.005772a0
add esp, 0xc
mov eax, dword [esp + 0x18]
test ebx, ebx
cmove ebx, edi
test eax, eax
je 0x54bcca
mov dword [eax + 0x1c], edi
mov dword [esp + 0x18], edi
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x54bbf2
mov esi, dword [esp + 0x10]
mov eax, dword [esp + 0x1c]
pop edi
pop ebp
test eax, eax
je 0x54bcee
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x54bd28
test ebx, ebx
je 0x54bd0d
mov esi, dword [ebx + 0x1c]
push ebx
call dword [0x615e28]
add esp, 4
mov ebx, esi
test esi, esi
jne 0x54bcf6
mov esi, dword [esp + 8]
mov eax, dword [esp + 0x28]
xor ebx, ebx
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
add esp, 0x10
ret
mov esi, 8
mov dword [esp + 0x10], esi
jmp 0x54bcdd
test ebx, ebx
jne 0x54bd38
mov esi, 0x2af9
push esi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
add esp, 0x10
ret
Function at 0x54fcb0
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
xor ebp, ebp
push esi
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x615e2c]
mov edi, eax
add esp, 8
test edi, edi
je 0x54fd07
nop word [eax + eax]
push esi
push edi
push dword [esp + 0x1c]
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x54fd1f
cmp esi, ebx
je 0x54fd1f
cmp esi, 0x8000
ja 0x54fd1f
cmp esi, ebx
jb 0x54fd18
push esi
push edi
call dword [0x615e2c]
mov edi, eax
add esp, 8
test edi, edi
jne 0x54fcd0
push ebp
call dword [0x615e28]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x615e28]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x555530
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x615e80]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x9c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
or esi, 0xffffffff
push eax
mov ebx, dword [edi + 0xc]
mov ebp, dword [ebx + 0x154]
push ebp
mov dword [esp + 0x1c], 0x80
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x555593
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push ebp
push ebx
push edi
call fcn.00537860
add esp, 0xc
cmp esi, 0xffffffff
jne 0x5555b8
push str.Error_accept__ing_server_connect
push edi
call fcn.00536db0
add esp, 8
mov eax, 0x1e
jmp 0x555628
push str.Connection_accepted_from_server
push edi
call fcn.00536e80
push 1
push esi
mov byte [ebx + 0x26d], 0
mov dword [ebx + 0x154], esi
call fcn.00564bd0
add esp, 0x10
mov byte [ebx + 0x280], 1
cmp dword [edi + 0x1b0], 0
je 0x555626
push 1
push edi
call fcn.00527460
mov eax, dword [edi + 0x1b0]
push 1
push esi
push dword [edi + 0x1b4]
call eax
push 0
push edi
mov esi, eax
call fcn.00527460
add esp, 0x1c
test esi, esi
je 0x555626
push ebx
push edi
call fcn.00555ac0
add esp, 8
mov eax, 0x2a
jmp 0x555628
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00573140
add esp, 0x88
ret