joyce8/EMBER2024-capa huggingface dataset:
Function at 0x495d09
Capabilities:
Terminate process

Disassembly:
push 0x364
mov eax, 0x53317a
call fcn.00505804
mov edi, ecx
call fcn.004b1d9f
mov esi, dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
call esi
push eax
push str._INFO___d___OnCreate_1
push 3
push dword [0x58fb3c]
call fcn.004b2059
add esp, 0x10
mov ecx, edi
push 0xfffffffffffffff0
call fcn.00494e31
push eax
call dword [sym.imp.USER32.dll_GetWindowLongW]
and eax, 0xff3fffff
mov ecx, edi
or eax, 0x6000000
push eax
push 0xfffffffffffffff0
call fcn.00494e31
push eax
call dword [sym.imp.USER32.dll_SetWindowLongW]
mov eax, dword [edi]
lea ebx, [edi + 0x30]
mov ecx, edi
call dword [eax + 0x30]
push eax
push dword [edi + 4]
mov ecx, ebx
call fcn.00498439
lea eax, [edi + 0x24]
mov ecx, ebx
push eax
call fcn.00497925
lea ecx, [ebp - 0x36c]
call fcn.004b30ee
mov eax, dword [edi]
lea ecx, [ebp - 0x118]
and dword [ebp - 4], 0
push ecx
mov ecx, edi
call dword [eax + 0x28]
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 1
call fcn.00494fd7
test al, al
jne 0x495e25
call esi
push eax
push str._INFO___d___OnCreate_2
push 3
push dword [0x58fb3c]
call fcn.004b2059
mov eax, dword [edi]
lea ecx, [ebp - 0x94]
add esp, 0x10
push ecx
mov ecx, edi
call dword [eax + 0x2c]
mov ecx, eax
mov byte [ebp - 4], 2
call fcn.0049492b
push eax
call fcn.0050404f
pop ecx
lea ecx, [ebp - 0x94]
movzx esi, ax
mov byte [ebp - 4], 1
call fcn.00494827
push 0
lea eax, [edi + 0x28]
push ebx
push eax
lea ecx, [ebp - 0x118]
call fcn.0049492b
push eax
push esi
lea ecx, [ebp - 0x36c]
call fcn.004b4114
mov esi, eax
jmp 0x495e80
call esi
push eax
push str._INFO___d___OnCreate_3
push 3
push dword [0x58fb3c]
call fcn.004b2059
mov eax, dword [edi]
lea ecx, [ebp - 0x19c]
add esp, 0x10
lea esi, [edi + 0x28]
push ecx
mov ecx, edi
call dword [eax + 0x2c]
push 0
push ebx
push esi
push 0
mov ecx, eax
mov byte [ebp - 4], 3
call fcn.0049492b
push ecx
mov ecx, esp
mov dword [ecx], eax
lea ecx, [ebp - 0x36c]
call fcn.004b4114
lea ecx, [ebp - 0x19c]
mov byte [ebp - 4], 1
mov esi, eax
call fcn.00494827
test esi, esi
jne 0x495ee9
push 0xffffffffffffffff
push 0x537b78
lea ecx, [ebp - 0x94]
call fcn.00494724
mov eax, dword [edi]
lea ecx, [ebp - 0x220]
push ecx
mov ecx, edi
mov byte [ebp - 4], 4
call dword [eax + 0x2c]
push eax
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 5
call fcn.0049496f
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 4
call fcn.00494827
push 0x10
push str.Duilib
lea ecx, [ebp - 0x94]
call fcn.0049492b
push eax
push esi
call dword [sym.imp.USER32.dll_MessageBoxW]
push 1
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push esi
mov ecx, ebx
call fcn.004979cc
lea eax, [edi + 0x20]
mov ecx, ebx
push eax
call fcn.0049786b
mov eax, dword [edi]
mov ecx, edi
call dword [eax + 0x1c]
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 0
call fcn.00494827
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x36c]
call fcn.004b227f
xor eax, eax
call fcn.005057b3
ret 0x10
Function at 0x498758
Capabilities:
Log keystrokes via polling

Disassembly:
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
xor esi, esi
push 0x11
call edi
push 8
pop ecx
test ax, ax
push 1
cmovs esi, ecx
call edi
test ax, ax
jns 0x49877b
or esi, 1
push 2
call edi
test ax, ax
jns 0x498787
or esi, 2
push 0x10
call edi
test ax, ax
jns 0x498793
or esi, 4
push 0x12
call edi
test ax, ax
jns 0x49879f
or esi, 0x20
pop edi
mov eax, esi
pop esi
ret
Function at 0x49bb43
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
push esi
mov esi, ecx
xor ebx, ebx
push edi
lea ecx, [esi + 0x4a8]
call fcn.00494e31
mov edi, dword [ebp + 8]
test eax, eax
jle 0x49bb99
push ebx
lea ecx, [esi + 0x4a8]
mov byte [ebp + 0xb], 0
call fcn.0049491c
lea ecx, [ebp + 0xb]
push ecx
push dword [ebp + 0x10]
mov edx, dword [eax]
mov ecx, eax
push dword [ebp + 0xc]
push edi
call dword [edx]
cmp byte [ebp + 0xb], 0
jne 0x49bbf7
lea ecx, [esi + 0x4a8]
inc ebx
call fcn.00494e31
cmp ebx, eax
jl 0x49bb62
sub edi, 0x100
je 0x49bc5d
sub edi, 4
je 0x49bbfb
dec edi
dec edi
jne 0x49bc52
push dword [ebp + 0xc]
xor eax, eax
mov dword [ebp + 8], eax
call fcn.00505e73
pop ecx
mov ecx, dword [esi + 0x104]
lea edx, [ebp + 8]
push reloc.WS2_32.dll_select
mov word [ebp + 8], ax
push edx
mov eax, dword [ecx]
push 0x49d466
call dword [eax + 0x134]
mov esi, eax
test esi, esi
je 0x49bc52
mov edx, dword [esi]
mov ecx, esi
call dword [edx + pe_nt_image_headers32]
mov edx, dword [esi]
mov ecx, esi
call dword [edx + 0x18]
mov al, 1
jmp 0x49bc54
cmp dword [esi + 0x108], 0
je 0x49bc52
xor eax, eax
lea edi, [ebp - 0x1c]
push 7
pop ecx
rep stosd dword es:[edi], eax
mov eax, dword [ebp + 0xc]
mov word [ebp - 0xc], ax
mov eax, dword [esi + 0x11c]
mov dword [ebp - 0x14], eax
mov eax, dword [esi + 0x120]
mov dword [ebp - 0x20], 6
mov dword [ebp - 0x10], eax
call fcn.00498758
mov word [ebp - 0xa], ax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [esi + 0x108]
lea edx, [ebp - 0x20]
mov dword [ebp - 0x18], eax
push edx
mov eax, dword [ecx]
call dword [eax + 0x140]
xor al, al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
cmp dword [ebp + 0xc], 9
jne 0x49bc52
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x49bcb6
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x49bcb6
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x49bcb6
mov ecx, dword [esi + 0x108]
push str.RichEditUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.0050162e
pop ecx
pop ecx
test eax, eax
je 0x49bcb6
mov ecx, dword [esi + 0x108]
call fcn.004acc5c
test al, al
jne 0x49bc52
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x49bcfe
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x49bcfe
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x49bcfe
mov ecx, dword [esi + 0x108]
push str.WkeWebkitUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.0050162e
pop ecx
pop ecx
test eax, eax
jne 0x49bc52
push 0x10
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
mov ecx, esi
setns al
movzx eax, al
push eax
call fcn.0049cd03
jmp 0x49bbf7
Function at 0x49c98e
Capabilities:
Check for time delay via gettickcount

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
push esi
mov ebx, ecx
call dword [sym.imp.USER32.dll_GetFocus]
mov ecx, dword [ebx + 0xa8]
mov esi, dword [ebp + 8]
cmp eax, ecx
je 0x49c9ba
cmp esi, dword [ebx + 0x108]
je 0x49c9ba
push ecx
call dword [sym.imp.USER32.dll_SetFocus]
mov eax, dword [ebx + 0x108]
cmp esi, eax
je 0x49ca91
push edi
test eax, eax
je 0x49ca19
push 7
pop ecx
xor eax, eax
lea edi, [ebp - 0x1c]
rep stosd dword es:[edi], eax
mov dword [ebp - 0x20], 0x17
mov dword [ebp - 0x1c], esi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [ebx + 0x108]
lea edx, [ebp - 0x20]
mov dword [ebp - 0x18], eax
push edx
mov eax, dword [ecx]
call dword [eax + 0x140]
xor edi, edi
mov ecx, ebx
push edi
push edi
push edi
push str.killfocus
push dword [ebx + 0x108]
call fcn.0049c5db
mov dword [ebx + 0x108], edi
test esi, esi
je 0x49ca90
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1c]
cmp eax, ebx
jne 0x49ca90
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x100]
test al, al
je 0x49ca90
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x10c]
test al, al
je 0x49ca90
push 7
pop ecx
xor eax, eax
mov dword [ebx + 0x108], esi
lea edi, [ebp - 0x1c]
rep stosd dword es:[edi], eax
mov dword [ebp - 0x20], 0x18
mov dword [ebp - 0x1c], esi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [ebx + 0x108]
lea edx, [ebp - 0x20]
mov dword [ebp - 0x18], eax
push edx
mov eax, dword [ecx]
call dword [eax + 0x140]
xor eax, eax
mov ecx, ebx
push eax
push eax
push eax
push str.setfocus
push dword [ebx + 0x108]
call fcn.0049c5db
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x49de3f
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, ecx
push dword [esi + 4]
call dword [sym.imp.USER32.dll_IsWindow]
test eax, eax
je 0x49de71
xor eax, eax
inc eax
cmp byte [ebp + 0xc], 0
push 4
pop edx
cmovne edx, eax
xor eax, eax
cmp byte [ebp + 8], al
cmovne eax, edx
push eax
push dword [esi + 4]
call dword [sym.imp.USER32.dll_ShowWindow]
pop esi
pop ebp
ret 8
Function at 0x4a0f4f
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x214
mov eax, dword [0x58a700]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
push ebx
push esi
mov esi, ecx
mov ecx, eax
shr ecx, 0x10
mov dword [ebp - 0x214], esi
push edi
test cx, cx
je 0x4a0fa3
add esi, 0x28
cmp word [eax], 0x3c
mov ecx, esi
jne 0x4a0f99
push eax
call fcn.004b24a1
test al, al
jne 0x4a1000
xor eax, eax
jmp 0x4a102a
push 0
push eax
call fcn.004b24ec
jmp 0x4a0f8e
push edx
push eax
call fcn.004983a7
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov edi, eax
test edi, edi
je 0x4a0f92
push edi
call fcn.004983a7
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ebx, eax
test ebx, ebx
jne 0x4a0fd3
push edi
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x4a0f92
push 0
push edi
add esi, 0x28
call fcn.004983a7
push eax
call dword [sym.imp.KERNEL32.dll_SizeofResource]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_LockResource]
push eax
mov ecx, esi
call fcn.004b27e7
test al, al
je 0x4a0f92
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
lea eax, [ebp - 0x210]
mov ecx, esi
push eax
call fcn.004b23f8
sub esp, 0x20c
mov esi, eax
mov edi, esp
mov ecx, 0x83
rep movsd dword es:[edi], dword [esi]
mov ecx, dword [ebp - 0x214]
call fcn.004a0c63
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0050061e
mov esp, ebp
pop ebp
ret 8
Function at 0x4a3ced
Capabilities:
Log keystrokes via polling

Disassembly:
sub ecx, 0x6c0
jmp fcn.004a3a26
Function at 0x4ab01a
Capabilities:
Get graphical window text

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x58a700]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, ecx
push edi
cmp byte [esi + 0x18], 0
je 0x4ab0a2
cmp dword [esi + 0x10], 0
je 0x4ab0a2
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowTextLengthW]
lea edi, [eax + 1]
lea eax, [edi + edi]
call fcn.00505ca0
mov ebx, esp
test ebx, ebx
je 0x4ab0a2
push edi
push ebx
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowTextW]
mov ecx, dword [esi + 0x10]
push ebx
add ecx, 0x1cc
call fcn.004948bf
mov ecx, dword [esi + 0x10]
xor eax, eax
push eax
push eax
push eax
mov eax, dword [ecx]
push 0x53a914
push ecx
call dword [eax + 0x1c]
mov ecx, eax
call fcn.0049c5db
mov ecx, dword [esi + 0x10]
mov eax, dword [ecx]
call dword [eax + 0x1c]
mov ecx, eax
call fcn.00498637
test al, al
je 0x4ab0a2
mov ecx, dword [esi + 0x10]
call fcn.0049ede9
xor eax, eax
lea esp, [ebp - 0x10]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0050061e
mov esp, ebp
pop ebp
ret 0x10

Function at 0x4ae90b
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, ecx
push edi
xor edi, edi
cmp dword [esi + 0x69c], edi
je 0x4ae975
cmp dword [ebp + 8], 0x100
jne 0x4ae964
cmp word [ebp + 0xc], 0xd
jne 0x4ae964
cmp byte [esi + 0x6a2], 0
je 0x4ae94b
push 0x11
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
jns 0x4ae964
cmp byte [esi + 0x6a3], 0
jne 0x4ae964
mov ecx, dword [esi + 0x44]
test ecx, ecx
je 0x4ae960
push edi
push edi
push edi
push str.return
push esi
call fcn.0049c5db
xor eax, eax
jmp 0x4ae978
mov eax, dword [esi + 0x69c]
pop edi
pop esi
mov ecx, dword [eax + 0xc]
mov eax, dword [ecx]
pop ebp
jmp dword [eax + 0xc]
xor eax, eax
inc eax
pop edi
pop esi
pop ebp
ret 0x10

Function at 0x4b18cf
Capabilities:
Create thread

Disassembly:
push 8
mov eax, 0x53480a
call fcn.005057d1
mov esi, ecx
lea eax, [esi + 0xc]
xor ebx, ebx
lea ecx, [ebp - 0x14]
mov dword [ebp - 0x14], eax
mov byte [ebp - 0x10], bl
call fcn.0047e667
push ebx
push ebx
push dword [ebp + 0xc]
mov dword [ebp - 4], ebx
push dword [ebp + 8]
push ebx
push ebx
call fcn.00503316
add esp, 0x18
mov dword [ebp + 0xc], eax
test eax, eax
je 0x4b1919
lea eax, [ebp + 0xc]
mov ecx, esi
push eax
call fcn.0047e700
mov bl, 1
cmp byte [ebp - 0x10], 0
je 0x4b192a
mov ecx, dword [ebp - 0x14]
push dword [ecx]
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov al, bl
call fcn.0050579f
ret 8
Function at 0x4b1d9f
Capabilities:
Get common file path

Disassembly:
push 0x23c
mov eax, 0x534788
call fcn.00505804
lea eax, [ebp - 0x218]
push eax
push 0x103
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
cmp word [ebp + eax*2 - 0x21a], 0x5c
je 0x4b1ddd
push 0x537e0c
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcatW]
xor eax, eax
mov dword [ebp - 0x21c], 7
xor ebx, ebx
mov word [ebp - 0x230], ax
mov dword [ebp - 0x220], ebx
cmp word [ebp - 0x218], ax
je 0x4b1e0e
lea eax, [ebp - 0x218]
push eax
call fcn.005053e6
pop ecx
push eax
lea eax, [ebp - 0x218]
push eax
lea ecx, [ebp - 0x230]
call fcn.00450b91
mov esi, 0x53bb4c
mov dword [ebp - 4], ebx
push esi
call fcn.005053e6
pop ecx
push eax
push esi
lea ecx, [ebp - 0x230]
call fcn.00452ae5
mov eax, dword [0x58fbc8]
mov esi, 0x58fb60
test al, 1
jne 0x4b1e95
or eax, 1
mov dword [0x58fbc8], eax
lea eax, [ebp - 0x230]
mov byte [ebp - 4], 1
push eax
lea eax, [ebp - 0x248]
push eax
call fcn.004b219b
pop ecx
pop ecx
push ebx
push eax
mov ecx, esi
mov byte [ebp - 4], 2
call fcn.004b1934
push ebx
push 1
lea ecx, [ebp - 0x248]
call fcn.0044e987
push 0x536f2c
call fcn.00501619
pop ecx
mov byte [ebp - 4], bl
mov ecx, esi
mov dword [0x58fb3c], esi
call fcn.004b2106
push ebx
push 1
lea ecx, [ebp - 0x230]
call fcn.00450f58
xor eax, eax
call fcn.005057b3
ret
Function at 0x4b497b
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x414
mov eax, dword [0x58a700]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
test edi, edi
je 0x4b49af
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4b49af
push 0
push edi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
movzx eax, word [ebx]
test ax, ax
je 0x4b4a61
push esi
mov esi, ebx
mov ecx, ebx
cmp ax, 0x2f
je 0x4b49cc
cmp ax, 0x5c
jne 0x4b49ce
mov esi, ecx
add ecx, 2
movzx eax, word [ecx]
test ax, ax
jne 0x4b49c0
cmp esi, ebx
je 0x4b4a14
sub esi, ebx
lea eax, [ebp - 0x414]
and esi, 0xfffffffe
push esi
push ebx
push eax
call fcn.00504b40
add esp, 0xc
cmp esi, 0x208
jae 0x4b4a71
xor eax, eax
mov word [ebp + esi - 0x414], ax
lea eax, [ebp - 0x414]
push eax
push edi
call fcn.004b497b
pop ecx
pop ecx
xor eax, eax
mov word [ebp - 0x20c], ax
pop esi
test edi, edi
je 0x4b4a31
lea eax, [ebp - 0x20c]
push edi
push eax
call fcn.005052da
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push ebx
push eax
call fcn.005052ab
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4b4a61
push 0
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop ebx
call fcn.0050061e
mov esp, ebp
pop ebp
ret
call fcn.005028d3
int3

Function at 0x4b5097
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4b5143
cmp dword [esi + 4], 0xffffffff
jne 0x4b5143
push edi
lea edi, [esi + 0x244]
push edi
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
push edi
call fcn.005053e6
pop ecx
movzx eax, word [esi + eax*2 + 0x242]
cmp eax, 0x5c
je 0x4b50ea
cmp eax, 0x2f
je 0x4b50ea
push 0x537e0c
push edi
call fcn.005052ab
pop ecx
pop ecx
cmp dword [ebp + 0x10], 1
pop edi
jne 0x4b510c
push 1
push 0
push 0
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
jne 0x4b510c
mov eax, 0x2000000
jmp 0x4b5148
lea eax, [ebp - 4]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.004b77bb
add esp, 0x10
test eax, eax
jne 0x4b512a
mov eax, dword [ebp - 4]
jmp 0x4b5148
push eax
call fcn.004b7e8d
pop ecx
xor ecx, ecx
mov dword [esi], eax
test eax, eax
mov edx, 0x200
cmove ecx, edx
mov eax, ecx
jmp 0x4b5148
mov eax, 0x1000000
pop esi
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4b55f1
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
movsx eax, al
push esi
mov ecx, dword [edx]
mov esi, 0xff
xor eax, ecx
shr ecx, 8
and eax, esi
mov eax, dword [eax*4 + 0x53c3d8]
xor eax, ecx
mov dword [edx], eax
movzx eax, al
add eax, dword [edx + 4]
imul ecx, eax, 0x8088405
mov eax, dword [edx + 8]
inc ecx
mov dword [edx + 4], ecx
shr ecx, 0x18
xor ecx, eax
shr eax, 8
and ecx, esi
pop esi
xor eax, dword [ecx*4 + 0x53c3d8]
mov dword [edx + 8], eax
pop ebp
ret

Function at 0x4b78ba
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
imul esi, dword [ebp + 0x10]
push edi
mov edi, dword [ebp + 0x14]
cmp byte [edi], 0
je 0x4b78ee
push 0
lea eax, [ebp + 0x10]
push eax
push esi
push dword [ebp + 8]
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4b78e9
mov byte [edi + 8], 1
mov eax, dword [ebp + 0x10]
jmp 0x4b7915
mov edx, dword [edi + 0x1c]
lea eax, [edx + esi]
cmp eax, dword [edi + 0x18]
jbe 0x4b78fe
mov esi, dword [edi + 0x18]
sub esi, edx
mov ecx, dword [edi + 0x14]
push esi
add ecx, edx
push ecx
push dword [ebp + 8]
call fcn.00504b40
add esp, 0xc
mov eax, esi
add dword [edi + 0x1c], esi
xor edx, edx
div dword [ebp + 0xc]
pop edi
pop esi
pop ebp
ret

Function at 0x4b7a32
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0xc]
test edx, edx
jne 0x4b7a40
xor eax, eax
pop ebp
ret
mov ecx, dword [ebp + 8]
push ebx
push esi
mov esi, dword [ebp + 0x10]
not ecx
mov ebx, 0xff
cmp esi, 8
jb 0x4b7afb
push edi
mov edi, esi
shr edi, 3
movzx eax, byte [edx]
sub esi, 8
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53c3d8]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53c3d8]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53c3d8]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53c3d8]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53c3d8]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53c3d8]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53c3d8]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53c3d8]
dec edi
jne 0x4b7a5e
pop edi
test esi, esi
je 0x4b7b14
movzx eax, byte [edx]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53c3d8]
inc edx
dec esi
jne 0x4b7aff
not ecx
pop esi
mov eax, ecx
pop ebx
pop ebp
ret
Function at 0x4caa59
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
mov edi, dword [esi + 8]
and edi, 7
je 0x4caa7d
cmp dword [esi + 8], edi
jge 0x4caa75
push esi
call fcn.004c5fae
pop ecx
mov ecx, edi
shr dword [esi + 0xc], cl
sub dword [esi + 8], edi
mov edx, dword [esi + 8]
xor ecx, ecx
test edx, edx
jle 0x4caaa3
mov edi, dword [esi + 0xc]
mov al, byte [esi + 0xc]
sub edx, 8
mov byte [ebp + ecx + 8], al
inc ecx
shr edi, 8
mov dword [esi + 0xc], edi
test edx, edx
jg 0x4caa89
mov dword [esi + 8], edx
jmp 0x4caab8
mov eax, dword [esi]
cmp eax, dword [esi + 4]
jb 0x4caaae
xor dl, dl
jmp 0x4caab3
mov dl, byte [eax]
inc eax
mov dword [esi], eax
mov byte [ebp + ecx + 8], dl
inc ecx
cmp ecx, 4
jl 0x4caaa3
mov eax, dword [ebp + 8]
movzx ecx, byte [ebp + 0xb]
movzx edi, ah
movzx eax, al
shl edi, 8
add edi, eax
shl ecx, 8
movzx eax, byte [ebp + 0xa]
add ecx, eax
mov eax, edi
xor eax, 0xffff
cmp ecx, eax
je 0x4caaf0
push str.zlib_corrupt
call fcn.004c5ed1
pop ecx
jmp 0x4cab30
mov eax, dword [esi]
add eax, edi
cmp eax, dword [esi + 4]
jbe 0x4cab00
push str.read_past_buffer
jmp 0x4caae8
mov ecx, dword [esi + 0x10]
lea eax, [ecx + edi]
cmp eax, dword [esi + 0x18]
jbe 0x4cab1a
push edi
push ecx
push esi
call fcn.004cddac
add esp, 0xc
test eax, eax
je 0x4cab30
push edi
push dword [esi]
push dword [esi + 0x10]
call fcn.00504b40
add dword [esi], edi
xor eax, eax
add dword [esi + 0x10], edi
add esp, 0xc
inc eax
pop edi
pop esi
pop ebp
ret
Function at 0x4daa26
Capabilities:
Hide graphical window

Disassembly:
push 0x9c
mov eax, 0x53532f
call fcn.00505804
mov edi, ecx
mov dword [ebp - 0x98], edi
mov eax, dword [ebp + 8]
xor ebx, ebx
mov esi, dword [sym.imp.USER32.dll_SendMessageW]
mov dword [edi + 0x10], eax
mov dword [eax + 0x598], ebx
cmp dword [edi + 4], ebx
jne 0x4daac0
lea eax, [ebp - 0xa8]
push eax
call fcn.004da635
mov ecx, dword [edi + 0x10]
lea esi, [ebp - 0xa8]
push ebx
sub esp, 0x10
mov edi, esp
mov eax, dword [ecx]
push ebx
movsd dword es:[edi], dword [esi]
push 0x40000000
push ebx
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
call dword [eax + 0x1c]
mov ecx, eax
call fcn.0049839a
mov edi, dword [ebp - 0x98]
mov ecx, edi
push eax
call fcn.0049d823
mov esi, dword [edi + 0x10]
mov ecx, esi
call fcn.004d359c
push eax
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1c]
mov ecx, eax
call fcn.00497f52
mov esi, dword [sym.imp.USER32.dll_SendMessageW]
push 1
push dword [eax]
push 0x30
push dword [edi + 4]
call esi
mov ecx, dword [edi + 0x10]
lea edx, [ebp - 0x94]
push edx
mov eax, dword [ecx]
call dword [eax + 0x28]
mov ecx, eax
mov dword [ebp - 4], ebx
call fcn.00494fd7
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x94]
mov bl, al
call fcn.00494827
test bl, bl
je 0x4daafd
mov eax, dword [edi + 0x10]
add eax, 0x588
push eax
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
mov ecx, dword [edi + 0x10]
call fcn.004dab6c
test al, al
je 0x4dab10
push 0x541e7c
jmp 0x4dab15
push str.yyyy_MM_dd
push 0
push 0x1032
push dword [edi + 4]
call esi
mov eax, dword [edi + 0x10]
mov ebx, 0x588
add eax, ebx
push 0x10
push eax
lea eax, [edi + 0x1a]
push eax
call fcn.00504b40
mov eax, dword [edi + 0x10]
add esp, 0xc
add eax, ebx
push eax
push 0
push 0x1002
push dword [edi + 4]
call esi
push 4
push dword [edi + 4]
call dword [sym.imp.USER32.dll_ShowWindow]
push dword [edi + 4]
call dword [sym.imp.USER32.dll_SetFocus]
mov byte [edi + 0x18], 1
call fcn.005057b3
ret 4

Function at 0x4db078
Capabilities:
Get hostname
Initialize winsock library
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x298
mov eax, dword [0x58a700]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x294]
push eax
push 0x202
call sub.WS2_32.dll_WSAStartup
test eax, eax
je 0x4db0a4
xor eax, eax
jmp 0x4db121
push 0xfe
lea eax, [ebp - 0x103]
mov byte [ebp - 0x104], 0
push 0
push eax
call fcn.00505190
add esp, 0xc
lea eax, [ebp - 0x104]
push 0xff
push eax
call sub.WS2_32.dll_gethostname
lea eax, [ebp - 0x104]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
je 0x4db0a0
mov eax, dword [eax + 0xc]
push 4
push dword [eax]
lea eax, [ebp - 0x298]
push eax
call fcn.00504b40
mov ecx, dword [ebp - 0x298]
add esp, 0xc
movzx eax, cl
shl eax, 8
movzx ecx, ch
add eax, ecx
movzx ecx, byte [ebp - 0x296]
shl eax, 8
add eax, ecx
movzx ecx, byte [ebp - 0x295]
shl eax, 8
add eax, ecx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0050061e
mov esp, ebp
pop ebp
ret