joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c2fc0
Capabilities:
Terminate process

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x4c2fe0
mov ecx, dword [eax + 0x40]
test ecx, ecx
je 0x4c2fe0
mov eax, dword [eax + 0x44]
test eax, eax
je 0x4c2fe0
push dword [esp + 8]
push eax
call ecx
add esp, 8
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]

Function at 0x4d5270
Capabilities:
Query environment variable

Disassembly:
push ecx
push esi
push edi
mov edi, dword [esp + 0x10]
push edi
mov dword [edi + 4], 0
call fcn.004d7390
push 0x54
push edi
mov dword [esp + 0x14], eax
call fcn.004d7360
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x4d52b7
push edi
call fcn.004d73a0
mov ecx, dword [edi]
push edi
mov dword [ecx + 0x14], 0x38
mov ecx, dword [edi]
mov dword [ecx + 0x18], esi
mov eax, dword [edi]
mov eax, dword [eax]
call eax
add esp, 8
mov dword [esi], fcn.004d4f00
mov dword [esi + 4], fcn.004d4d90
mov dword [esi + 8], fcn.004d4e60
mov dword [esi + 0xc], fcn.004d4ce0
mov dword [esi + 0x10], 0x4d55d0
mov dword [esi + 0x14], 0x4d5560
mov dword [esi + 0x18], 0x4d53c0
mov dword [esi + 0x1c], 0x4d4b90
mov dword [esi + 0x20], 0x4d4a40
mov dword [esi + 0x24], 0x4d5170
mov dword [esi + 0x28], 0x4d5640
mov dword [esi + 0x30], 0x3b9aca00
mov eax, dword [esp + 8]
mov dword [esi + 0x2c], eax
mov dword [esi + 0x38], 0
mov dword [esi + 0x40], 0
mov dword [esi + 0x34], 0
mov dword [esi + 0x3c], 0
mov dword [esi + 0x44], 0
mov dword [esi + 0x48], 0
mov dword [esi + 0x4c], 0x54
push str.JPEGMEM
mov dword [edi + 4], esi
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
test eax, eax
je 0x4d539a
lea ecx, [esp + 0x10]
mov byte [esp + 0x10], 0x78
push ecx
lea ecx, [esp + 0xc]
push ecx
push str._ld_c
push eax
call dword [sym.imp.MSVCRT.dll_sscanf]
add esp, 0x10
test eax, eax
jle 0x4d539a
mov al, byte [esp + 0x10]
cmp al, 0x6d
je 0x4d5389
cmp al, 0x4d
mov eax, dword [esp + 8]
jne 0x4d5391
imul eax, dword [esp + 8], 0x3e8
imul eax, eax, 0x3e8
mov dword [esi + 0x2c], eax
pop edi
pop esi
pop ecx
ret
Function at 0x4eb3d0
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push edi
mov edi, dword [ebx + 0x48]
mov eax, dword [edi + 0x18]
cmp eax, 0xc
jle 0x4eb3ed
pop edi
mov dword [ebx + 0x40], 0x70
xor eax, eax
pop ebx
ret
push ebp
push esi
cmp dword [edi + 0x2c], eax
jge 0x4eb4b1
lea esi, [edi + 0x44]
jmp 0x4eb400
mov dl, byte [esi]
test dl, dl
jne 0x4eb485
mov ecx, dword [ebx + 0x48]
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4eb41b
push 1
push esi
push ebx
call eax
add esp, 0xc
jmp 0x4eb42c
push dword [ecx + 0x38]
push 1
push 1
push esi
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
jne 0x4eb50c
mov al, byte [esi]
test al, al
je 0x4eb4fe
mov edx, dword [ebx + 0x48]
lea ebp, [esi + 1]
movzx eax, al
mov ecx, dword [edx + 0x3c]
test ecx, ecx
je 0x4eb459
push eax
push ebp
push ebx
call ecx
add esp, 0xc
jmp 0x4eb469
push dword [edx + 0x38]
push eax
push 1
push ebp
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
mov cl, byte [esi]
mov edx, eax
movzx eax, cl
cmp edx, eax
jne 0x4eb50c
mov al, byte [ebp]
dec cl
mov byte [ebp], 2
mov byte [esi], cl
jmp 0x4eb497
mov cl, byte [esi + 1]
movzx eax, cl
inc cl
dec dl
mov al, byte [eax + esi]
mov byte [esi + 1], cl
mov byte [esi], dl
mov ecx, dword [edi + 0x2c]
movzx eax, al
shl eax, cl
or dword [edi + 0x30], eax
lea eax, [ecx + 8]
mov dword [edi + 0x2c], eax
cmp eax, dword [edi + 0x18]
jl 0x4eb400
mov eax, dword [edi + 0x18]
movzx ecx, word [eax*2 + 0x54f970]
mov eax, dword [esp + 0x18]
and ecx, dword [edi + 0x30]
mov dword [eax], ecx
mov ecx, dword [edi + 0x18]
shr dword [edi + 0x30], cl
sub dword [edi + 0x2c], ecx
mov eax, dword [edi + 0x14]
cmp eax, 0x1001
jge 0x4eb4f4
mov edx, dword [edi + 0x1c]
inc eax
mov dword [edi + 0x14], eax
cmp eax, edx
jle 0x4eb4f4
cmp ecx, 0xc
jge 0x4eb4f4
lea eax, [edx + edx]
mov dword [edi + 0x1c], eax
lea eax, [ecx + 1]
mov dword [edi + 0x18], eax
pop esi
pop ebp
pop edi
mov eax, 1
pop ebx
ret
pop esi
pop ebp
pop edi
mov dword [ebx + 0x40], 0x70
xor eax, eax
pop ebx
ret
pop esi
pop ebp
pop edi
mov dword [ebx + 0x40], 0x66
xor eax, eax
pop ebx
ret
Function at 0x4eb7e0
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esi + 0x48]
mov eax, dword [edi + 0x3c]
test eax, eax
je 0x4eb7ff
push 1
lea ecx, [esp + 0x10]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4eb814
push dword [edi + 0x38]
lea eax, [esp + 0x10]
push 1
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
jne 0x4eb86b
mov cl, byte [esp + 0xc]
test cl, cl
je 0x4eb877
mov edx, dword [esp + 0x10]
lea eax, [edi + 0x44]
mov dword [edx], eax
mov byte [eax], cl
mov eax, dword [esi + 0x48]
mov ecx, dword [eax + 0x3c]
test ecx, ecx
je 0x4eb848
movzx eax, byte [esp + 0xc]
push eax
mov eax, dword [edx]
inc eax
push eax
push esi
call ecx
add esp, 0xc
jmp 0x4eb860
push dword [eax + 0x38]
movzx eax, byte [esp + 0x10]
push eax
mov eax, dword [edx]
inc eax
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
mov ecx, eax
movzx eax, byte [esp + 0xc]
cmp ecx, eax
je 0x4eb88c
pop edi
mov dword [esi + 0x40], 0x66
xor eax, eax
pop esi
ret
mov eax, dword [esp + 0x10]
mov dword [eax], 0
mov byte [edi + 0x44], 0
mov dword [edi + 0x34], 0
pop edi
mov eax, 1
pop esi
ret

Function at 0x4eb8a0
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esi + 0x48]
mov eax, dword [edi + 0x3c]
test eax, eax
je 0x4eb8bf
push 1
lea ecx, [esp + 0x10]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4eb8d4
push dword [edi + 0x38]
lea eax, [esp + 0x10]
push 1
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
jne 0x4eb92b
mov cl, byte [esp + 0xc]
test cl, cl
je 0x4eb937
mov edx, dword [esp + 0x10]
lea eax, [edi + 0x44]
mov dword [edx], eax
mov byte [eax], cl
mov eax, dword [esi + 0x48]
mov ecx, dword [eax + 0x3c]
test ecx, ecx
je 0x4eb908
movzx eax, byte [esp + 0xc]
push eax
mov eax, dword [edx]
inc eax
push eax
push esi
call ecx
add esp, 0xc
jmp 0x4eb920
push dword [eax + 0x38]
movzx eax, byte [esp + 0x10]
push eax
mov eax, dword [edx]
inc eax
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
mov ecx, eax
movzx eax, byte [esp + 0xc]
cmp ecx, eax
je 0x4eb941
pop edi
mov dword [esi + 0x40], 0x66
xor eax, eax
pop esi
ret
mov eax, dword [esp + 0x10]
mov dword [eax], 0
pop edi
mov eax, 1
pop esi
ret
Function at 0x4ebc90
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x48]
test byte [eax], 8
jne 0x4ebca8
mov dword [esi + 0x40], 0x6f
xor eax, eax
pop esi
ret
mov ecx, dword [eax + 0x3c]
test ecx, ecx
je 0x4ebcbe
push 1
lea eax, [esp + 0xc]
push eax
push esi
call ecx
add esp, 0xc
jmp 0x4ebcd3
push dword [eax + 0x38]
lea eax, [esp + 0xc]
push 1
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
je 0x4ebce3
mov dword [esi + 0x40], 0x66
xor eax, eax
pop esi
ret
mov al, byte [esp + 8]
cmp al, 0x21
je 0x4ebd26
cmp al, 0x2c
je 0x4ebd15
cmp al, 0x3b
mov eax, dword [esp + 0xc]
je 0x4ebd08
mov dword [eax], 0
xor eax, eax
mov dword [esi + 0x40], 0x6b
pop esi
ret
mov dword [eax], 4
mov eax, 1
pop esi
ret
mov eax, dword [esp + 0xc]
pop esi
mov dword [eax], 2
mov eax, 1
ret
mov eax, dword [esp + 0xc]
pop esi
mov dword [eax], 3
mov eax, 1
ret
Function at 0x4ebd40
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x48]
test byte [eax], 8
jne 0x4ebd58
mov dword [esi + 0x40], 0x6f
xor eax, eax
pop esi
ret
push esi
push esi
call fcn.004ebef0
add esp, 8
test eax, eax
je 0x4ebd54
lea eax, [esi + 4]
push eax
push esi
call fcn.004ebef0
add esp, 8
test eax, eax
je 0x4ebd54
mov ecx, dword [esi + 0x48]
push ebp
mov ebp, dword [sym.imp.MSVCRT.dll_fread]
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4ebd97
push 3
lea ecx, [esp + 0x10]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4ebda8
push dword [ecx + 0x38]
lea eax, [esp + 0x10]
push 3
push 1
push eax
call ebp
add esp, 0x10
cmp eax, 3
je 0x4ebdcb
push dword [esi + 0x14]
mov dword [esi + 0x40], 0x66
call fcn.004ec7a0
add esp, 4
mov dword [esi + 0x14], 0
xor eax, eax
pop ebp
pop esi
ret
mov dl, byte [esp + 0xc]
movzx ecx, dl
mov eax, ecx
and ecx, 7
shr eax, 4
inc ecx
and eax, 7
inc eax
push ebx
mov dword [esi + 8], eax
mov bl, dl
movzx eax, byte [esp + 0x11]
shr bl, 3
mov dword [esi + 0xc], eax
and bl, 1
mov al, byte [esp + 0x12]
mov byte [esi + 0x10], al
push edi
test dl, dl
jns 0x4ebed0
mov eax, 1
shl eax, cl
push 0
push eax
call fcn.004ec850
add esp, 8
mov dword [esi + 0x14], eax
test eax, eax
jne 0x4ebe28
pop edi
pop ebx
pop ebp
mov dword [esi + 0x40], 0x6d
pop esi
ret
mov byte [eax + 8], bl
xor ebx, ebx
mov eax, dword [esi + 0x14]
cmp dword [eax], ebx
jle 0x4ebed7
xor edi, edi
lea ebx, [ebx]
mov ecx, dword [esi + 0x48]
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4ebe59
push 3
lea ecx, [esp + 0x18]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4ebe6a
push dword [ecx + 0x38]
lea eax, [esp + 0x18]
push 3
push 1
push eax
call ebp
add esp, 0x10
cmp eax, 3
jne 0x4ebeb0
mov eax, dword [esi + 0x14]
inc ebx
mov ecx, dword [eax + 0xc]
movzx eax, byte [esp + 0x14]
mov byte [edi + ecx], al
mov eax, dword [esi + 0x14]
mov ecx, dword [eax + 0xc]
movzx eax, byte [esp + 0x15]
mov byte [ecx + edi + 1], al
mov eax, dword [esi + 0x14]
mov ecx, dword [eax + 0xc]
movzx eax, byte [esp + 0x16]
mov byte [ecx + edi + 2], al
add edi, 3
mov eax, dword [esi + 0x14]
cmp ebx, dword [eax]
jl 0x4ebe40
pop edi
pop ebx
pop ebp
mov eax, 1
pop esi
ret
push dword [esi + 0x14]
call fcn.004ec7a0
add esp, 4
mov dword [esi + 0x14], 0
mov dword [esi + 0x40], 0x66
xor eax, eax
pop edi
pop ebx
pop ebp
pop esi
ret
mov dword [esi + 0x14], 0
pop edi
pop ebx
pop ebp
mov eax, 1
pop esi
ret

Function at 0x4ebef0
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov ecx, dword [esi + 0x48]
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4ebf0e
push 2
lea ecx, [esp + 0xc]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4ebf23
push dword [ecx + 0x38]
lea eax, [esp + 0xc]
push 2
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 2
je 0x4ebf33
mov dword [esi + 0x40], 0x66
xor eax, eax
pop esi
ret
mov ax, word [esp + 8]
movzx ecx, ah
movzx eax, al
shl ecx, 8
or ecx, eax
mov eax, dword [esp + 0xc]
pop esi
mov dword [eax], ecx
mov eax, 1
ret
Function at 0x4ebf50
Capabilities:
Read file on windows

Disassembly:
sub esp, 8
push edi
push 0x4c
call dword [sym.imp.MSVCRT.dll_malloc]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4ebf7a
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4ebf73
mov dword [eax], 0x6d
xor eax, eax
pop edi
add esp, 8
ret
push esi
push 0x4c
push 0
push edi
call sub.MSVCRT.dll_memset
push 0x614c
push 1
mov dword [edi + 0x34], 0
mov dword [edi + 0x14], 0
call dword [sym.imp.MSVCRT.dll_calloc]
mov esi, eax
add esp, 0x14
test esi, esi
jne 0x4ebfc9
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4ebfb7
mov dword [eax], 0x6d
push edi
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
xor eax, eax
pop esi
pop edi
add esp, 8
ret
push 0x614c
push 0
push esi
call sub.MSVCRT.dll_memset
mov eax, dword [esp + 0x24]
add esp, 0xc
mov dword [edi + 0x48], esi
mov dword [esi + 0x3c], eax
mov eax, dword [esp + 0x14]
mov dword [esi + 4], 0
mov dword [esi + 0x38], 0
mov dword [esi], 8
mov ecx, dword [edi + 0x48]
mov dword [edi + 0x44], eax
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4ec017
push 6
lea ecx, [esp + 0xc]
push ecx
push edi
call eax
add esp, 0xc
jmp 0x4ec02c
push dword [ecx + 0x38]
lea eax, [esp + 0xc]
push 6
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 6
je 0x4ec041
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4ec06d
mov dword [eax], 0x66
jmp 0x4ec06d
push 3
lea eax, [esp + 0xc]
mov byte [esp + 0x12], 0
push eax
push str.GIFVER
call dword [sym.imp.MSVCRT.dll_strncmp]
add esp, 0xc
test eax, eax
je 0x4ec084
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4ec06d
mov dword [eax], 0x67
push esi
mov esi, dword [sym.imp.MSVCRT.dll_free]
call esi
push edi
call esi
add esp, 8
xor eax, eax
pop esi
pop edi
add esp, 8
ret
push edi
call fcn.004ebd40
add esp, 4
test eax, eax
jne 0x4ec0b6
push esi
mov esi, dword [sym.imp.MSVCRT.dll_free]
call esi
push edi
call esi
mov eax, dword [esp + 0x24]
add esp, 8
test eax, eax
je 0x4ec0ae
mov dword [eax], 0x68
pop esi
xor eax, eax
pop edi
add esp, 8
ret
mov dword [edi + 0x40], 0
cmp byte [esp + 0xb], 0x39
sete al
mov byte [esi + 0x6148], al
mov eax, edi
pop esi
pop edi
add esp, 8
ret

Function at 0x4ec300
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esi + 0x48]
mov eax, dword [edi + 0x3c]
test eax, eax
je 0x4ec31f
push 1
lea ecx, [esp + 0x10]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4ec334
push dword [edi + 0x38]
lea eax, [esp + 0x10]
push 1
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
jb 0x4ec34a
movzx ecx, byte [esp + 0xc]
cmp ecx, 8
jle 0x4ec34f
mov dword [esi + 0x40], 0x66
pop edi
xor eax, eax
pop esi
ret
mov eax, 1
mov dword [edi + 8], ecx
shl eax, cl
inc ecx
mov dword [edi + 0xc], eax
inc eax
mov dword [edi + 0x10], eax
inc eax
mov dword [edi + 0x14], eax
mov eax, 1
shl eax, cl
mov dword [edi + 0x1c], eax
mov eax, 0x1002
mov dword [edi + 0x18], ecx
mov ecx, 0x1000
mov byte [edi + 0x44], 0
mov dword [edi + 0x28], 0
mov dword [edi + 0x20], 0x1002
mov dword [edi + 0x2c], 0
mov dword [edi + 0x30], 0
add edi, 0x2144
rep stosd dword es:[edi], eax
pop edi
mov eax, 1
pop esi
ret
Function at 0x4f56f0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
mov ecx, dword [esp + 8]
push ebx
push ebp
push esi
mov esi, dword [esp + 0x10]
mov ebx, 0x1505
add ecx, esi
mov eax, ecx
push edi
xor edi, edi
sub eax, esi
cmp ecx, esi
sbb ebp, ebp
not ebp
and ebp, eax
jbe 0x4f5734
mov al, byte [esi]
push eax
call fcn.005016c0
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, ebp
jb 0x4f5713
pop edi
pop esi
pop ebp
movzx eax, bl
pop ebx
ret
Function at 0x4f8470
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x550508
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4f848a
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 0x550524
push esi
call dword [sym.imp.MSVCRT.dll_strpbrk]
add esp, 8
test eax, eax
je 0x4f84d3
test ebp, ebp
je 0x4f84c4
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 0x4f84f9
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4f84f9
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 0x4f85af
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4f8516
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0xa5e0b8]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4f85a5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4f85a5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4f8548
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 0x4f8560
sub ecx, edx
add ecx, ebx
sub ecx, esi
lea ecx, [ecx]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4f8570
test ebp, ebp
je 0x4f859c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0xa5e0bc]
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 [0xa5e0bc]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4f8740
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x22c
test byte [esp + 0x230], 2
je 0x4f878b
lea eax, [esp + 0x9c]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4f877f
mov eax, dword [esp + 0x9c]
cmp al, 2
jne 0x4f8779
shr eax, 8
cmp al, 2
je 0x4f878b
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
add esp, 0x22c
ret
call fcn.00512100
test eax, eax
jne 0x4f8860
push 0x5504e8
call fcn.004f8470
add esp, 4
mov dword [0xa64848], eax
test eax, eax
je 0x4f87c3
push str.if_nametoindex
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4f87c3
mov dword [0xa64844], eax
push esi
push 0x9c
lea eax, [esp + 8]
push 0
push eax
call sub.MSVCRT.dll_memset
mov esi, dword [sym.imp.KERNEL32.dll_VerSetConditionMask]
add esp, 0xc
mov dword [esp + 4], 0x9c
mov dword [esp + 8], 6
mov dword [esp + 0xc], 0
push 3
push 2
push 0
push 0
mov dword [esp + 0x24], 2
call esi
push 3
push 1
push edx
push eax
call esi
push 3
push 0x20
push edx
push eax
call esi
push 3
push 0x10
push edx
push eax
call esi
push 1
push 8
push edx
push eax
call esi
push edx
push eax
push 0x33
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoA]
pop esi
test eax, eax
je 0x4f8857
push 0xa65414
mov byte [0xa6541c], 1
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
xor eax, eax
add esp, 0x22c
ret
mov byte [0xa6541c], 0
xor eax, eax
add esp, 0x22c
ret

Function at 0x4f89e0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x2c8], 2
je fcn.004f8990
mov al, 1
ret

Function at 0x4f8b20
Capabilities:
Write file on windows

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
cmp dword [edi + 0x5e0], 0
je 0x4f8b64
push 1
push edi
call fcn.004f9d20
push dword [edi + 0x574]
mov eax, dword [edi + 0x5e0]
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.004f9d20
add esp, 0x24
mov eax, esi
pop edi
pop esi
ret
mov eax, dword [esp + 0x10]
cmp eax, 2
ja 0x4f8b9d
push dword [edi + 0x570]
mov esi, dword [sym.imp.MSVCRT.dll_fwrite]
lea eax, [eax + eax*2]
push 1
add eax, 0x5505a8
push 2
push eax
call esi
push dword [edi + 0x570]
push 1
push dword [esp + 0x30]
push dword [esp + 0x30]
call esi
add esp, 0x20
pop edi
xor eax, eax
pop esi
ret

Function at 0x4f8da0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push dword [esp + 0x10]
call dword [sym.imp.WS2_32.dll_recv]
mov ecx, eax
cmp ecx, 0xffffffff
jne 0x4f8dd1
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
sub eax, 0x2733
neg eax
sbb eax, eax
and eax, 0xffffffe7
add eax, 0x51
ret
mov eax, dword [esp + 0x10]
mov dword [eax], ecx
xor eax, eax
ret
Function at 0x4f8f00
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 8]
sub esp, 0x80
push ebx
push ebp
mov ebp, dword [esp + 0x8c]
push esi
push eax
push ebp
mov esi, dword [ebp + eax*4 + 0x1a4]
call fcn.004f93b0
add esp, 8
push 0
push dword [esp + 0xa0]
push dword [esp + 0xa0]
push esi
call dword [sym.imp.WS2_32.dll_send]
mov ebx, dword [esp + 0xa0]
mov esi, eax
mov dword [ebx], 0
cmp esi, 0xffffffff
jne 0x4f8fa7
push edi
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edi, eax
cmp edi, 0x2733
jne 0x4f8f74
pop edi
pop esi
pop ebp
mov dword [ebx], 0x51
xor eax, eax
pop ebx
add esp, 0x80
ret
push pe_nt_image_headers32
lea eax, [esp + 0x14]
push eax
push edi
call fcn.00512cc0
push eax
push str.Send_failure:__s
push dword [ebp]
call fcn.004f8bb0
mov eax, dword [ebp]
add esp, 0x18
mov dword [eax + 0xc54], edi
mov eax, esi
mov dword [ebx], 0x37
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x80
ret

Function at 0x4f93b0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov ecx, dword [esp + 8]
mov eax, ecx
push ebx
mov ebx, dword [esp + 8]
push ebp
push esi
shl eax, 4
mov ebp, dword [ebx + ecx*4 + 0x1a4]
lea esi, [ebx + 0x1c8]
add esi, eax
mov eax, dword [ebx + 0x2c0]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x4f9466
cmp dword [ebx + ecx*4 + 0x1b8], 0x4f8e30
jne 0x4f9466
cmp dword [esi], 0
je 0x4f93fc
test edi, edi
je 0x4f9466
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.00500ec0
add esp, 0x10
cmp eax, 0xffffffff
je 0x4f9466
test al, 1
je 0x4f9466
cmp dword [esi], 0
jne 0x4f944f
mov eax, dword [ebx]
mov eax, dword [eax + 0x8d0]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0xa5e0b8]
mov edi, dword [esi + 4]
add esp, 4
mov dword [esi], eax
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test eax, eax
jne 0x4f944f
pop edi
mov dword [esi + 4], eax
pop esi
pop ebp
pop ebx
ret
mov eax, dword [esi]
add eax, dword [esi + 8]
push 0
push edi
push eax
push ebp
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x4f9466
add dword [esi + 8], eax
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4ffd20
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
push ebx
mov ebx, dword [esp + 0x190]
cmp dword [ebx + 0x90], 3
jne 0x4ffef8
cmp byte [ebx + 0x289], 0
push ebp
push esi
push edi
jne 0x4ffeec
cmp byte [ebx + 0x2a1], 0
jne 0x4ffeec
mov esi, dword [esp + 0x1a0]
lea eax, [esp + 0x10]
mov ebp, dword [ebx]
push eax
lea eax, [esp + 0x11c]
mov dword [esp + 0x14], pe_nt_image_headers32
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x4ffdb4
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push esi
call fcn.00512cc0
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebp
call fcn.004f8bb0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
push pe_nt_image_headers32
lea eax, [esp + 0x9c]
mov dword [esp + 0x18], pe_nt_image_headers32
push 0
push eax
call sub.MSVCRT.dll_memset
add esp, 0xc
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x9c]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4ffe1e
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push esi
call fcn.00512cc0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebp
call fcn.004f8bb0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
lea eax, [ebx + 0x138]
push eax
lea esi, [ebx + 0x10a]
push esi
push dword [esp + 0x18]
lea eax, [esp + 0x124]
push eax
call fcn.004ff140
add esp, 0x10
test al, al
jne 0x4ffe7f
mov esi, dword [sym.imp.MSVCRT.dll__errno]
call esi
mov edi, eax
call esi
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push dword [edi]
call fcn.00512cc0
push eax
push dword [esi]
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.004f8bb0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
lea edi, [ebx + 0x5c]
mov ecx, 0xb
rep movsd dword es:[edi], dword [esi]
lea eax, [ebx + 0x16c]
push eax
lea eax, [ebx + 0x13c]
push eax
push dword [esp + 0x1c]
lea eax, [esp + 0xa4]
movsw word es:[edi], word [esi]
push eax
call fcn.004ff140
add esp, 0x10
test al, al
jne 0x4ffeec
mov esi, dword [sym.imp.MSVCRT.dll__errno]
call esi
mov edi, eax
call esi
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push dword [edi]
call fcn.00512cc0
push eax
push dword [esi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.004f8bb0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
push ebx
call fcn.004ffa00
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret