joyce8/EMBER2024-capa huggingface dataset:
Function at 0x429ae0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x60
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x429af8
cmp dword [ebp + 0xc], 0
jne 0x429b02
mov eax, 1
jmp 0x429bfd
push 0
push 0x80
push 3
push 0
push 5
push closesocket
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x429b32
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x429bfd
mov dword [ebp - 0xc], 0
lea eax, [ebp - 0x10]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0xffffffff
jne 0x429b5b
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x429bfd
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
jb 0x429b71
mov eax, 8
jmp 0x429bfd
cmp dword [ebp + 0x10], 0
je 0x429b7f
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp - 0xc]
mov dword [eax], ecx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
call fcn.0042dbe8
add esp, 4
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp + 0xc]
mov edx, dword [ebp - 0x60]
mov dword [ecx], edx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
push 0
mov ecx, dword [ebp + 0xc]
mov edx, dword [ecx]
push edx
call fcn.00444fb0
add esp, 0xc
mov dword [ebp - 0x18], 0
push 0
lea eax, [ebp - 0x18]
push eax
mov ecx, dword [ebp - 0xc]
push ecx
mov edx, dword [ebp + 0xc]
mov eax, dword [edx]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0
jne 0x429be2
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x429bfd
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0xc]
je 0x429bf1
mov eax, 1
jmp 0x429bfd
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x42a1d0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x50
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x42a1ec
mov eax, dword [ebp + 8]
movzx ecx, word [eax]
test ecx, ecx
jne 0x42a1f3
mov eax, 1
jmp 0x42a255
push 0
push 0x80
push 2
push 0
push 0
push 0xc0000000
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x42a220
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x42a255
push 0
lea eax, [ebp - 0xc]
push eax
mov ecx, dword [ebp + 0x10]
push ecx
mov edx, dword [ebp + 0xc]
push edx
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
jne 0x42a249
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x42a255
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc

Function at 0x42f210
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x42f5af
Capabilities:
Allocate thread local storage

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
cmp eax, 0xffffffff
jne 0x42f5cc
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jg 0x42f5d0
jmp 0x42f5d8
mov esp, ebp
pop ebp
ret
movzx eax, ax
or eax, 0x80070000
push eax
lea ecx, [ebp - 0x10]
call fcn.0042fad2
push 0x5ff9a8
lea eax, [ebp - 0x10]
push eax
call fcn.0044510a
int3
Function at 0x43999b
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push 4
mov eax, 0x58acd9
call fcn.0042d98e
mov edi, ecx
mov dword [ebp - 0x10], edi
or dword [edi + 4], 0xfffffff
lea ecx, [edi + 0x3c]
xor ebx, ebx
mov dword [edi + 8], ebx
mov dword [edi + 0x10], ebx
mov dword [edi + 0x14], closesocket
mov dword [edi + 0x18], ebx
mov dword [edi + 0x38], ebx
call fcn.0043784f
mov dword [ebp - 4], ebx
mov ebx, dword [ebp + 8]
mov eax, dword [ebx + 0x64]
mov dword [edi + 0x64], eax
xor eax, eax
mov dword [edi + 0x6c], eax
mov dword [edi + 0x78], eax
mov dword [edi + 0x84], eax
mov dword [edi + 0x88], eax
test dword [0x60422c], 0x80000000
je 0x439a0c
push dword [0x60ee6c]
call fcn.0042f5fe
pop ecx
test eax, eax
jne 0x439a11
call fcn.00434dbf
mov dword [edi + 0xc], eax
mov eax, dword [eax + 0x34]
mov dword [edi], eax
mov eax, dword [ebx + 8]
mov dword [edi + 8], eax
test eax, eax
je 0x439a2c
cmp eax, 2
je 0x439a2c
lock inc dword [eax + 4]
mov ecx, edi
call fcn.0043a596
lea ecx, [edi + 0x3c]
call fcn.0043815d
cmp byte [ebp + 0xc], 0
je 0x439a6d
mov edx, dword [edi + 0x64]
mov ecx, edi
add edx, 0x68
mov esi, dword [edx]
mov eax, esi
mov dword [edi + 0x68], esi
lock cmpxchg dword [edx], ecx
jmp 0x439a67
mov dword [edi + 0x68], eax
mov esi, eax
mov ecx, dword [edi + 0x64]
mov edx, edi
add ecx, 0x68
lock cmpxchg dword [ecx], edx
cmp eax, esi
jne 0x439a56
jmp 0x439a75
or dword [edi + 0x78], 1
and dword [edi + 0x68], 0
call fcn.00434faa
mov esi, eax
mov eax, dword [esi + 0x20]
test eax, eax
jne 0x439a8d
mov ecx, esi
call fcn.00438ef4
mov eax, dword [esi + 0x20]
mov eax, dword [eax + 0x40]
and dword [edi + 4], 0xfffffff
mov dword [edi + 0x80], eax
mov eax, edi
call fcn.0042d957
ret 8

Function at 0x441b00
Capabilities:
Allocate thread local storage

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
mov dword [0x60eee0], eax
cmp eax, 0xffffffff
jne 0x441b22
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jg 0x441b26
jmp 0x441b2e
mov esp, ebp
pop ebp
ret
movzx eax, ax
or eax, 0x80070000
push eax
lea ecx, [ebp - 0x10]
call fcn.0042fad2
push 0x5ff9a8
lea eax, [ebp - 0x10]
push eax
call fcn.0044510a
int3

Function at 0x447e92
Capabilities:
Allocate thread local storage

Disassembly:
push ebp
mov ebp, esp
push esi
push 0x5943b4
push 0x5943ac
push str.FlsAlloc
push 0
call fcn.00447e0b
mov esi, eax
add esp, 0x10
test esi, esi
je 0x447ec4
push dword [ebp + 8]
mov ecx, esi
call fcn.0042d951
call esi
pop esi
pop ebp
ret
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_TlsAlloc]

Function at 0x447f06
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push esi
push 0x5943c4
push 0x5943bc
push str.FlsGetValue
push 2
call fcn.00447e0b
add esp, 0x10
mov esi, eax
push dword [ebp + 8]
test esi, esi
je 0x447f37
mov ecx, esi
call fcn.0042d951
call esi
jmp 0x447f3d
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
pop esi
pop ebp
ret
Function at 0x447f40
Capabilities:
Set thread local storage value

Disassembly:
push ebp
mov ebp, esp
push esi
push 0x5943cc
push 0x5943c4
push str.FlsSetValue
push 3
call fcn.00447e0b
add esp, 0x10
mov esi, eax
push dword [ebp + 0xc]
push dword [ebp + 8]
test esi, esi
je 0x447f74
mov ecx, esi
call fcn.0042d951
call esi
jmp 0x447f7a
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
pop esi
pop ebp
ret

Function at 0x467cad
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00467970

Function at 0x467cb8
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00467af1

Function at 0x46941b
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004690db
Function at 0x4777a0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor edx, edx
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, 0x1505
add eax, esi
mov ecx, eax
sub ecx, esi
push edi
xor edi, edi
cmp esi, eax
cmova ecx, edx
mov dword [ebp + 8], ecx
test ecx, ecx
je 0x4777e9
mov al, byte [esi]
push eax
call fcn.00486ba0
movsx ecx, al
lea esi, [esi + 1]
mov eax, ebx
inc edi
shl eax, 5
add esp, 4
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp edi, dword [ebp + 8]
jb 0x4777c7
pop edi
pop esi
movzx eax, bl
pop ebx
pop ebp
ret
Function at 0x481d00
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push edi
mov edi, dword [ebp + 8]
cmp byte [edi + 0x6f2], 0
je 0x481d83
cmp dword [edi + 0x1b0], 0
je 0x481d4d
push esi
push 1
push edi
call fcn.00473a70
push dword [edi + 0x14c]
mov eax, dword [edi + 0x1b0]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.00473a70
add esp, 0x24
mov eax, esi
pop esi
pop edi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x481d83
push dword [edi + 0x148]
lea eax, [eax + eax*2]
push 1
add eax, 0x59fd68
push 2
push eax
call fcn.0045b117
push dword [edi + 0x148]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.0045b117
add esp, 0x20
xor eax, eax
pop edi
pop ebp
ret

Function at 0x482100
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6041f8]
xor eax, ebp
mov dword [ebp - 4], eax
mov edx, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
push ebx
push esi
mov eax, dword [edx + 0xc]
mov esi, dword [ebp + 0x18]
push edi
mov edi, dword [ebp + 0x10]
mov ebx, dword [eax + ecx*4 + 0x148]
push ecx
push eax
push edx
mov dword [ebp - 0x108], edx
call fcn.00482580
add esp, 0xc
test eax, eax
je 0x48215b
pop edi
mov dword [esi], 0x1b
or eax, 0xffffffff
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042d205
mov esp, ebp
pop ebp
ret
push 0
push dword [ebp + 0x14]
push edi
push ebx
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
mov dword [esi], 0
cmp edi, 0xffffffff
jne 0x4821d8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebx, eax
cmp ebx, 0x2733
jne 0x4821a0
xor edi, edi
mov dword [esi], 0x51
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042d205
mov esp, ebp
pop ebp
ret
push 0x100
lea eax, [ebp - 0x104]
push eax
push ebx
call fcn.0046f9d0
push eax
push str.Send_failure:__s
push dword [ebp - 0x108]
call fcn.00481d90
mov eax, dword [ebp - 0x108]
add esp, 0x18
mov dword [eax + 0x93c], ebx
mov dword [esi], 0x37
mov ecx, dword [ebp - 4]
mov eax, edi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042d205
mov esp, ebp
pop ebp
ret
Function at 0x482580
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0x10]
mov ecx, dword [ebp + 0xc]
push ebx
push esi
lea esi, [edx + 0x17]
mov eax, dword [ecx + 0x288]
shl esi, 4
add esi, ecx
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x482651
cmp dword [ecx + edx*4 + 0x160], 0x482000
jne 0x482651
cmp dword [esi], 0
je 0x4825c8
test edi, edi
je 0x482651
mov ebx, dword [ecx + edx*4 + 0x148]
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.004908a0
add esp, 0x14
cmp eax, 0xffffffff
je 0x482651
test al, 1
je 0x482651
mov ecx, dword [esi]
test ecx, ecx
jne 0x48262c
mov eax, dword [ebp + 8]
mov eax, dword [eax + 0x4c8]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x604c14]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
test ecx, ecx
jne 0x482617
pop edi
pop esi
lea eax, [ecx + 0x1b]
pop ebx
pop ebp
ret
mov edi, dword [esi + 4]
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test ecx, ecx
je 0x48264a
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push ebx
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x482651
add dword [esi + 8], eax
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
mov dword [esi + 4], 0
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret

Function at 0x4827e0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
cmp byte [eax + 0x19c], 0
je 0x482800
push eax
call fcn.0047bcf0
add esp, 4
test eax, eax
jne 0x48281e
xor al, al
pop ebp
ret
mov eax, dword [eax + 0x148]
cmp eax, 0xffffffff
je 0x4827fc
push 2
push 1
lea ecx, [ebp + 0xb]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x4827fc
mov al, 1
pop ebp
ret

Function at 0x482a10
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x188
mov eax, dword [0x6041f8]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x184]
push esi
mov esi, dword [ebp + 0x10]
push edi
mov edi, dword [ebp + 0x14]
push 0x80
push 0
push eax
mov dword [ebp - 0x188], 0x80
call fcn.00444fb0
add esp, 0xc
lea eax, [ebp - 0x188]
push eax
lea eax, [ebp - 0x184]
push eax
push dword [ebp + 0xc]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x482a8d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.0046f9d0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
jmp 0x482ad0
push edi
push esi
push dword [ebp - 0x188]
lea eax, [ebp - 0x184]
push eax
call fcn.00482660
add esp, 0x10
test al, al
jne 0x482ad9
call fcn.0044d48b
mov esi, dword [eax]
call fcn.0044d48b
mov edi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.0046f9d0
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00481d90
add esp, 0x1c
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042d205
mov esp, ebp
pop ebp
ret
Function at 0x483260
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x60f92c]
mov dword [ebp - 8], 0x4020
mov dword [ebp - 4], 0
mov dword [ebp - 0xc], 4
test eax, eax
jne 0x4832b1
push 3
push 2
push eax
push 6
call fcn.004ad880
add esp, 0x10
test al, al
je 0x4832a5
mov dword [0x60f92c], 2
mov esp, ebp
pop ebp
ret
mov dword [0x60f92c], 1
jmp 0x4832b6
cmp eax, 2
je 0x4832f6
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 4]
push eax
push 0x1001
push 0xffff
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x4832dd
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jg 0x4832f6
push 4
lea eax, [ebp - 8]
push eax
push 0x1001
push 0xffff
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_setsockopt]
mov esp, ebp
pop ebp
ret
Function at 0x484160
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x6041f8]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
xor eax, eax
push edi
mov edi, dword [ebp + 0xc]
push 4
cmp byte [esi + 0x6ff], al
setne al
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x14]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4841bd
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00481e50
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042d205
mov esp, ebp
pop ebp
ret
push dword [esi + 0x698]
mov dword [ebp - 0x10], 1
call fcn.004843d0
push dword [esi + 0x69c]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.004843d0
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [ebp - 0x14], eax
mov dword [ebp - 8], eax
lea eax, [ebp - 0x18]
push eax
push 0
push 0
push 0xc
lea eax, [ebp - 0x10]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x48422d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.00481e50
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.0042d205
mov esp, ebp
pop ebp
ret

Function at 0x484240
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6041f8]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x108]
push 4
push eax
push 1
push 6
push dword [ebp + 0xc]
mov dword [ebp - 0x108], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4842a2
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0046f9d0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00481e50
add esp, 0x18
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.0042d205
mov esp, ebp
pop ebp
ret

Function at 0x4843b0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.004022d0
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.0046683f
Function at 0x484630
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [ebp - 4], eax
test eax, eax
jne 0x484650
pop edi
mov esp, ebp
pop ebp
ret
push ebx
push esi
push 0x5a01dc
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [ebp + 8]
mov ebx, eax
push 0x5a01ec
push esi
mov dword [ebp - 8], ebx
call fcn.0046a0a1
add esp, 8
test eax, eax
je 0x48469c
test ebx, ebx
je 0x48468c
push 8
push 0
push esi
call ebx
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
test ebx, ebx
je 0x4846c5
push str.AddDllDirectory
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4846c5
push 0x800
push 0
push esi
call ebx
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
mov edx, eax
mov dword [ebp - 4], edx
test edx, edx
je 0x484788
mov ecx, esi
lea ebx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4846e1
sub ecx, ebx
sar ecx, 1
lea eax, [ecx + edx]
lea eax, [eax*2 + 2]
push eax
call dword [0x604c14]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x48477e
push dword [ebp - 4]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x48477e
mov ecx, ebx
lea edx, [ecx + 2]
nop dword [eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x484720
sub ecx, edx
sar ecx, 1
mov dword [ebx + ecx*2], 0x5c
mov ecx, ebx
lea edx, [ecx + 2]
nop dword [eax + eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x484740
sub ecx, edx
sar ecx, 1
add ecx, ecx
sub ecx, esi
add ecx, ebx
movzx eax, word [esi]
lea esi, [esi + 2]
mov word [ecx + esi - 2], ax
test ax, ax
jne 0x484755
mov eax, dword [ebp - 8]
test eax, eax
je 0x484775
push 8
push 0
push ebx
call eax
jmp 0x48477c
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov edi, eax
push ebx
call dword [0x604c18]
add esp, 4
pop esi
pop ebx
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
Function at 0x4847a0
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x6041f8]
xor eax, ebp
mov dword [ebp - 4], eax
test byte [ebp + 8], 2
je 0x4847f9
lea eax, [ebp - 0x194]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4847e6
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4847e0
shr eax, 8
cmp al, 2
je 0x4847f9
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042d205
mov esp, ebp
pop ebp
ret
push str.iphlpapi.dll
call fcn.00484630
add esp, 4
mov dword [0x60f934], eax
test eax, eax
je 0x48482c
push str.if_nametoindex
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov ecx, dword [0x60f930]
test eax, eax
cmovne ecx, eax
mov dword [0x60f930], ecx
push 3
push 2
push 0
push 6
call fcn.004ad880
add esp, 0x10
test al, al
setne byte [0x61282c]
push 0x612830
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.0042d205
mov esp, ebp
pop ebp
ret

Function at 0x487a20
Capabilities:
Create udp socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
test eax, eax
je 0x487a35
mov eax, dword [eax + 0x70]
mov al, byte [eax + 0xe7]
pop ebp
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x487a4a
xor al, al
pop ebp
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
pop ebp
ret

Function at 0x487be0
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
test esi, esi
je 0x487bfe
cmp dword [esi + 0x78], 0
je 0x487bfe
push 2
push 3
push esi
call fcn.004871a0
add esp, 0xc
push dword [ebp + 0xc]
call fcn.004875d0
add esp, 4
test esi, esi
je 0x487c1e
cmp dword [esi + 0x78], 0
je 0x487c1e
push 3
push esi
call fcn.004871e0
add esp, 8
pop esi
pop ebp
ret
Function at 0x48d370
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
Receive data
Receive data on socket
Send data
Send data on socket
Set socket configuration
Start tcp server

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
mov eax, dword [0x6041f8]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0x14]
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [ebp - 0x34], 0x10
mov dword [ebp - 0x30], 1
call esi
mov edi, eax
cmp edi, 0xffffffff
je 0x48d541
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [ebp - 0x24], xmm0
mov word [ebp - 0x2c], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov dword [ebp - 0x28], eax
xor eax, eax
push 4
mov word [ebp - 0x2a], ax
lea eax, [ebp - 0x30]
push eax
push 4
push 0xffff
push edi
mov dword [ebx + 4], 0xffffffff
mov dword [ebx], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x48d52f
push 0x10
lea eax, [ebp - 0x2c]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x48d52f
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x2c]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x48d52f
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x48d52f
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x48d52f
push 0x10
lea ecx, [ebp - 0x2c]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x48d52f
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x48d52f
push ebx
push 0x5a134c
lea eax, [ebp - 0x1c]
push 0xc
push eax
call fcn.00485660
lea esi, [ebp - 0x1c]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x48d496
push 0
sub esi, ecx
lea eax, [ebp - 0x1c]
push esi
push eax
push dword [ebx]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x48d52f
push 0
push 0xc
lea eax, [ebp - 0x10]
push eax
push dword [ebx + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x48d52f
lea ecx, [ebp - 0x1c]
lea edx, [ebp - 0x10]
sub esi, 4
jb 0x48d4e3
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x48d4e8
add ecx, 4
add edx, 4
sub esi, 4
jae 0x48d4d2
cmp esi, 0xfffffffc
je 0x48d515
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x48d52f
cmp esi, 0xfffffffd
je 0x48d515
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x48d52f
cmp esi, 0xfffffffe
je 0x48d515
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x48d52f
cmp esi, 0xffffffff
je 0x48d515
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x48d52f
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042d205
mov esp, ebp
pop ebp
ret
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push edi
call esi
push dword [ebx]
call esi
push dword [ebx + 4]
call esi
mov ecx, dword [ebp - 4]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042d205
mov esp, ebp
pop ebp
ret