joyce8/EMBER2024-capa huggingface dataset:
Function at 0x492d6b
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0xc
cmp dword [0x5952dc], 0
push ebx
mov ebx, dword [ebp + 0xc]
push esi
push edi
mov edi, dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
mov esi, ecx
je 0x492db3
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push ebx
push dword [ebp + 8]
call edi
push eax
push str._INFO___d___download:_start_pos__I64d___will_download__I64d___downloaed__I64d_
push 3
push dword [0x5952dc]
call fcn.004801e7
add esp, 0x28
mov eax, dword [ebp + 0x10]
or eax, dword [ebp + 0x14]
jne 0x492dc9
mov byte [esi + 0xfb], 1
mov al, 1
jmp 0x492eb2
push dword [ebp + 0x14]
mov eax, dword [ebp + 8]
mov ecx, esi
push dword [ebp + 0x10]
mov dword [esi + 0x88], eax
mov dword [esi + 0x8c], ebx
call fcn.004938aa
cmp dword [esi + 0x84], 0
jl 0x492e29
jg 0x492df9
cmp dword [esi + 0x80], 0
jbe 0x492e29
mov eax, dword [esi + 0x84]
mov ecx, esi
mov ebx, dword [esi + 0x80]
mov dword [esp + 0x10], eax
call fcn.004938f0
mov ecx, eax
mov eax, dword [esp + 0x10]
cmp edx, eax
jl 0x492e29
jg 0x492e20
cmp ecx, ebx
jbe 0x492e29
push eax
push ebx
mov ecx, esi
call fcn.004938aa
mov eax, dword [ebp + 0x18]
xor ecx, ecx
mov dword [esi + 0xd0], eax
mov eax, dword [ebp + 0x1c]
mov dword [esi + 0xd4], eax
lea eax, [esp + 0x14]
push eax
push ecx
push esi
push 0x492c0e
push 0x800000
push ecx
mov dword [esp + 0x2c], ecx
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [esi + 0x70], eax
test eax, eax
je 0x492e8f
cmp eax, 0xffffffff
je 0x492e8f
cmp dword [0x5952dc], 0
je 0x492dc2
call edi
push eax
push str._INFO___d___create_download_thread_success.
push 3
push dword [0x5952dc]
call fcn.004801e7
add esp, 0x10
jmp 0x492dc2
cmp dword [0x5952dc], 0
je 0x492eb0
call edi
push eax
push str._ERROR___d___create_download_thread_failed_
push 1
push dword [0x5952dc]
call fcn.004801e7
add esp, 0x10
xor al, al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18

Function at 0x493519
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
cmp dword [ebp + 8], 0
push ebx
push esi
push edi
mov esi, ecx
je 0x493585
mov edi, dword [ebp + 0xc]
test edi, edi
js 0x493585
and dword [ebp + 0xc], 0
lea eax, [ebp + 0xc]
push 0
push eax
push edi
push dword [ebp + 8]
push dword [esi + 0x14]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x493585
mov ebx, dword [esi + 0xd4]
mov eax, edi
mov edi, dword [esi + 0xd0]
mov ecx, dword [esi + 0x64]
cdq
add edi, eax
mov dword [esi + 0xd0], edi
adc ebx, edx
mov dword [esi + 0xd4], ebx
test ecx, ecx
je 0x49357f
push dword [esi + 0x68]
push edx
push eax
push ebx
push edi
push dword [esi + 8]
call ecx
add esp, 0x18
mov eax, edi
mov edx, ebx
jmp 0x49358a
or eax, 0xffffffff
or edx, eax
pop edi
pop esi
pop ebx
pop ecx
pop ebp
ret 8
Function at 0x49a68f
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 0x49a6b2
or esi, 1
push 2
call edi
test ax, ax
jns 0x49a6be
or esi, 2
push 0x10
call edi
test ax, ax
jns 0x49a6ca
or esi, 4
push 0x12
call edi
test ax, ax
jns 0x49a6d6
or esi, 0x20
pop edi
mov eax, esi
pop esi
ret
Function at 0x49da7a
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.0049f7e6
mov edi, dword [ebp + 8]
test eax, eax
jle 0x49dad0
push ebx
lea ecx, [esi + 0x4a8]
mov byte [ebp + 0xb], 0
call fcn.00496855
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 0x49db2e
lea ecx, [esi + 0x4a8]
inc ebx
call fcn.0049f7e6
cmp ebx, eax
jl 0x49da99
sub edi, 0x100
je 0x49db94
sub edi, 4
je 0x49db32
dec edi
dec edi
jne 0x49db89
push dword [ebp + 0xc]
xor eax, eax
mov dword [ebp + 8], eax
call fcn.00507eb3
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 0x49f39d
call dword [eax + 0x134]
mov esi, eax
test esi, esi
je 0x49db89
mov edx, dword [esi]
mov ecx, esi
call dword [edx + 0x128]
mov edx, dword [esi]
mov ecx, esi
call dword [edx + 0x18]
mov al, 1
jmp 0x49db8b
cmp dword [esi + 0x108], 0
je 0x49db89
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.0049a68f
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 0x49db89
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x49dbed
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x49dbed
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x49dbed
mov ecx, dword [esi + 0x108]
push str.RichEditUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.0050366e
pop ecx
pop ecx
test eax, eax
je 0x49dbed
mov ecx, dword [esi + 0x108]
call fcn.004c244f
test al, al
jne 0x49db89
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x49dc35
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x49dc35
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x49dc35
mov ecx, dword [esi + 0x108]
push str.WkeWebkitUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.0050366e
pop ecx
pop ecx
test eax, eax
jne 0x49db89
push 0x10
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
mov ecx, esi
setns al
movzx eax, al
push eax
call fcn.0049ec3a
jmp 0x49db2e
Function at 0x49e8c5
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 0x49e8f1
cmp esi, dword [ebx + 0x108]
je 0x49e8f1
push ecx
call dword [sym.imp.USER32.dll_SetFocus]
mov eax, dword [ebx + 0x108]
cmp esi, eax
je 0x49e9c8
push edi
test eax, eax
je 0x49e950
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.0049e512
mov dword [ebx + 0x108], edi
test esi, esi
je 0x49e9c7
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1c]
cmp eax, ebx
jne 0x49e9c7
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x100]
test al, al
je 0x49e9c7
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x10c]
test al, al
je 0x49e9c7
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.0049e512
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x49fd15
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 0x49fd47
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 0x4b13ea
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 0x4b140e
cmp dword [esi + 8], edi
jge 0x4b1406
push esi
call fcn.004ac93f
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 0x4b1434
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 0x4b141a
mov dword [esi + 8], edx
jmp 0x4b1449
mov eax, dword [esi]
cmp eax, dword [esi + 4]
jb 0x4b143f
xor dl, dl
jmp 0x4b1444
mov dl, byte [eax]
inc eax
mov dword [esi], eax
mov byte [ebp + ecx + 8], dl
inc ecx
cmp ecx, 4
jl 0x4b1434
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 0x4b1481
push str.zlib_corrupt
call fcn.004ac862
pop ecx
jmp 0x4b14c1
mov eax, dword [esi]
add eax, edi
cmp eax, dword [esi + 4]
jbe 0x4b1491
push str.read_past_buffer
jmp 0x4b1479
mov ecx, dword [esi + 0x10]
lea eax, [ecx + edi]
cmp eax, dword [esi + 0x18]
jbe 0x4b14ab
push edi
push ecx
push esi
call fcn.004b473d
add esp, 0xc
test eax, eax
je 0x4b14c1
push edi
push dword [esi]
push dword [esi + 0x10]
call fcn.00506b80
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 0x4b5809
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x214
mov eax, dword [0x58e700]
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 0x4b585d
add esi, 0x28
cmp word [eax], 0x3c
mov ecx, esi
jne 0x4b5853
push eax
call fcn.004c6d37
test al, al
jne 0x4b58ba
xor eax, eax
jmp 0x4b58e4
push 0
push eax
call fcn.004c6d82
jmp 0x4b5848
push edx
push eax
call fcn.0049a2de
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov edi, eax
test edi, edi
je 0x4b584c
push edi
call fcn.0049a2de
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ebx, eax
test ebx, ebx
jne 0x4b588d
push edi
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x4b584c
push 0
push edi
add esi, 0x28
call fcn.0049a2de
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.004c707d
test al, al
je 0x4b584c
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
lea eax, [ebp - 0x210]
mov ecx, esi
push eax
call fcn.004c6c8e
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.004b551d
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00502653
mov esp, ebp
pop ebp
ret 8
Function at 0x4c0822
Capabilities:
Get graphical window text

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x58e700]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, ecx
push edi
cmp byte [esi + 0x18], 0
je 0x4c08aa
cmp dword [esi + 0x10], 0
je 0x4c08aa
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowTextLengthW]
lea edi, [eax + 1]
lea eax, [edi + edi]
call fcn.00507ce0
mov ebx, esp
test ebx, ebx
je 0x4c08aa
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.00496808
mov ecx, dword [esi + 0x10]
xor eax, eax
push eax
push eax
push eax
mov eax, dword [ecx]
push 0x53ed0c
push ecx
call dword [eax + 0x1c]
mov ecx, eax
call fcn.0049e512
mov ecx, dword [esi + 0x10]
mov eax, dword [ecx]
call dword [eax + 0x1c]
mov ecx, eax
call fcn.0049a56e
test al, al
je 0x4c08aa
mov ecx, dword [esi + 0x10]
call fcn.004a0cde
xor eax, eax
lea esp, [ebp - 0x10]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00502653
mov esp, ebp
pop ebp
ret 0x10

Function at 0x4c40f9
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 0x4c4163
cmp dword [ebp + 8], 0x100
jne 0x4c4152
cmp word [ebp + 0xc], 0xd
jne 0x4c4152
cmp byte [esi + 0x6a2], 0
je 0x4c4139
push 0x11
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
jns 0x4c4152
cmp byte [esi + 0x6a3], 0
jne 0x4c4152
mov ecx, dword [esi + 0x44]
test ecx, ecx
je 0x4c414e
push edi
push edi
push edi
push str.return
push esi
call fcn.0049e512
xor eax, eax
jmp 0x4c4166
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 0x4c6165
Capabilities:
Create thread

Disassembly:
push 8
mov eax, 0x536bb2
call fcn.00507811
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.004805ab
push ebx
push ebx
push dword [ebp + 0xc]
mov dword [ebp - 4], ebx
push dword [ebp + 8]
push ebx
push ebx
call fcn.00505356
add esp, 0x18
mov dword [ebp + 0xc], eax
test eax, eax
je 0x4c61af
lea eax, [ebp + 0xc]
mov ecx, esi
push eax
call fcn.00480644
mov bl, 1
cmp byte [ebp - 0x10], 0
je 0x4c61c0
mov ecx, dword [ebp - 0x14]
push dword [ecx]
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov al, bl
call fcn.005077df
ret 8
Function at 0x4c9211
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x414
mov eax, dword [0x58e700]
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 0x4c9245
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4c9245
push 0
push edi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
movzx eax, word [ebx]
test ax, ax
je 0x4c92f7
push esi
mov esi, ebx
mov ecx, ebx
cmp ax, 0x2f
je 0x4c9262
cmp ax, 0x5c
jne 0x4c9264
mov esi, ecx
add ecx, 2
movzx eax, word [ecx]
test ax, ax
jne 0x4c9256
cmp esi, ebx
je 0x4c92aa
sub esi, ebx
lea eax, [ebp - 0x414]
and esi, 0xfffffffe
push esi
push ebx
push eax
call fcn.00506b80
add esp, 0xc
cmp esi, 0x208
jae 0x4c9307
xor eax, eax
mov word [ebp + esi - 0x414], ax
lea eax, [ebp - 0x414]
push eax
push edi
call fcn.004c9211
pop ecx
pop ecx
xor eax, eax
mov word [ebp - 0x20c], ax
pop esi
test edi, edi
je 0x4c92c7
lea eax, [ebp - 0x20c]
push edi
push eax
call fcn.0050731a
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push ebx
push eax
call fcn.005072eb
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4c92f7
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.00502653
mov esp, ebp
pop ebp
ret
call fcn.00504913
int3

Function at 0x4c992d
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4c99d9
cmp dword [esi + 4], 0xffffffff
jne 0x4c99d9
push edi
lea edi, [esi + 0x244]
push edi
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
push edi
call fcn.00507426
pop ecx
movzx eax, word [esi + eax*2 + 0x242]
cmp eax, 0x5c
je 0x4c9980
cmp eax, 0x2f
je 0x4c9980
push 0x53ade8
push edi
call fcn.005072eb
pop ecx
pop ecx
cmp dword [ebp + 0x10], 1
pop edi
jne 0x4c99a2
push 1
push 0
push 0
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
jne 0x4c99a2
mov eax, 0x2000000
jmp 0x4c99de
lea eax, [ebp - 4]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.004cc051
add esp, 0x10
test eax, eax
jne 0x4c99c0
mov eax, dword [ebp - 4]
jmp 0x4c99de
push eax
call fcn.004cc723
pop ecx
xor ecx, ecx
mov dword [esi], eax
test eax, eax
mov edx, 0x200
cmove ecx, edx
mov eax, ecx
jmp 0x4c99de
mov eax, 0x1000000
pop esi
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4c9e87
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 + 0x540198]
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 + 0x540198]
mov dword [edx + 8], eax
pop ebp
ret

Function at 0x4cc150
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 0x4cc184
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 0x4cc17f
mov byte [edi + 8], 1
mov eax, dword [ebp + 0x10]
jmp 0x4cc1ab
mov edx, dword [edi + 0x1c]
lea eax, [edx + esi]
cmp eax, dword [edi + 0x18]
jbe 0x4cc194
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.00506b80
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 0x4cc2c8
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0xc]
test edx, edx
jne 0x4cc2d6
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 0x4cc391
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 + 0x540198]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x540198]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x540198]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x540198]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x540198]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x540198]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x540198]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x540198]
dec edi
jne 0x4cc2f4
pop edi
test esi, esi
je 0x4cc3aa
movzx eax, byte [edx]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x540198]
inc edx
dec esi
jne 0x4cc395
not ecx
pop esi
mov eax, ecx
pop ebx
pop ebp
ret
Function at 0x4dcf59
Capabilities:
Get hostname
Initialize winsock library
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x298
mov eax, dword [0x58e700]
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 0x4dcf85
xor eax, eax
jmp 0x4dd002
push 0xfe
lea eax, [ebp - 0x103]
mov byte [ebp - 0x104], 0
push 0
push eax
call fcn.005071d0
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 0x4dcf81
mov eax, dword [eax + 0xc]
push 4
push dword [eax]
lea eax, [ebp - 0x298]
push eax
call fcn.00506b80
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.00502653
mov esp, ebp
pop ebp
ret

Function at 0x4dee0f
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004b9216

Function at 0x4dfdad
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x58e700]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 8]
push esi
mov esi, dword [ebp + 0x1c]
push edi
and dword [ebx + 0x770], 0
mov edi, dword [ebp + 0x18]
mov dword [ebx + 0x24], eax
mov eax, dword [ebp + 0x14]
mov dword [ebx + 0x28], eax
mov eax, dword [ebp + 0xc]
mov dword [ebx + 0x2c], eax
mov eax, dword [ebp + 0x20]
mov dword [ebx + 0x76c], ecx
mov dword [ebx + 0x774], eax
test ecx, ecx
jne 0x4dfe15
call fcn.004dfb94
push edi
mov ecx, eax
mov edx, dword [eax]
call dword [edx + 0xc]
test esi, esi
je 0x4dfe15
call fcn.004dfb94
push esi
mov ecx, eax
mov edx, dword [eax]
call dword [edx + 0x14]
lea esi, [ebx + 0x10]
call fcn.004dfb94
push esi
mov ecx, eax
mov edx, dword [eax]
call dword [edx]
mov ecx, dword [ebx + 0x76c]
test ecx, ecx
jne 0x4dfe32
mov ecx, edi
jmp 0x4dfe39
mov eax, dword [ecx]
call dword [eax + 0x1c]
mov ecx, eax
call fcn.0049a2d1
lea ecx, [ebp - 0x14]
mov dword [ebp - 0x18], eax
call fcn.0049661a
push 0
sub esp, 0x10
mov esi, eax
mov edi, esp
mov ecx, ebx
push 0x88
movsd dword es:[edi], dword [esi]
push SysReAllocString
push 0
push dword [ebp - 0x18]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
call fcn.0049f6f5
mov esi, dword [ebx + 4]
mov edi, dword [sym.imp.USER32.dll_GetParent]
jmp 0x4dfe7c
push esi
call edi
mov esi, eax
push esi
call edi
test eax, eax
jne 0x4dfe77
push 5
push dword [ebx + 4]
call dword [sym.imp.USER32.dll_ShowWindow]
push 0
push 1
push 0x86
push esi
call dword [sym.imp.USER32.dll_SendMessageW]
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00502653
mov esp, ebp
pop ebp
ret 0x1c
Function at 0x4e5abc
Capabilities:
Get keyboard layout
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x210
mov eax, dword [0x58e700]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
xor esi, esi
push esi
mov dword [ebp - 0x210], esi
call dword [sym.imp.USER32.dll_GetKeyboardLayout]
mov edi, dword [ebp + 0xc]
push eax
push esi
push edi
call dword [sym.imp.USER32.dll_MapVirtualKeyExW]
mov esi, eax
cmp edi, 0x21
jb 0x4e5b0a
cmp edi, 0x28
jbe 0x4e5b04
lea eax, [edi - 0x2d]
cmp eax, 1
ja 0x4e5b0a
or esi, 0x100
cmp dword [ebp + 0x10], 0
je 0x4e5b16
or esi, 0x1000000
xor eax, eax
push 0x206
push eax
mov word [ebp - 0x20c], ax
lea eax, [ebp - 0x20a]
push eax
call fcn.005071d0
add esp, 0xc
shl esi, 0x10
lea eax, [ebp - 0x20c]
push 0x104
push eax
push esi
call dword [sym.imp.USER32.dll_GetKeyNameTextW]
push 0xffffffffffffffff
lea eax, [ebp - 0x20c]
mov ecx, ebx
push eax
call fcn.0049666d
mov ecx, dword [ebp - 4]
mov eax, ebx
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00502653
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4eaf60
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004eaf70

Function at 0x4eb1f0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4eb1fc
pop ebp
ret
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004eb210