joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4af7f0
Capabilities:
Log keystrokes via application hook

Disassembly:
mov eax, dword [esp + 4]
push esi
mov esi, ecx
mov dword [esi + 0x68], eax
mov dword [esi + 0x64], 1
push dword [esi + 0xa0]
call dword [sym.imp.USER32.dll_UpdateWindow]
mov eax, dword [esi + 0x68]
cmp eax, 0xffffffff
je 0x4af881
push eax
push 2
mov ecx, esi
call fcn.004aec08
and dword [esi + 0x64], 0
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
push eax
push 0
push 0x4af7b3
push 0xffffffffffffffff
call dword [sym.imp.USER32.dll_SetWindowsHookExA]
mov dword [0x53c400], eax
mov eax, dword [esi + 0x68]
mov dword [esi + 0x88], 2
mov dword [0x5334f0], eax
mov eax, dword [esi + 0x68]
mov ecx, dword [esi + 0x90]
push dword [esi + 0xa0]
mov ecx, dword [ecx + eax*4]
push esi
mov eax, dword [ecx]
call dword [eax + 0xc]
push dword [0x53c400]
call dword [sym.imp.USER32.dll_UnhookWindowsHookEx]
and dword [0x53c400], 0
cmp dword [esi + 0x64], 1
je 0x4af801
mov eax, dword [esi + 0xf4]
mov ecx, esi
push eax
inc eax
neg eax
sbb eax, eax
and eax, 3
push eax
call fcn.004aec08
mov ecx, esi
call fcn.004ae99b
pop esi
ret 4

Function at 0x4b0efb
Capabilities:
Check os version

Disassembly:
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp eax, 0x80000000
jae 0x4b0f13
cmp al, 5
sbb eax, eax
and eax, 2
add eax, 6
ret
push 8
pop eax
ret
Function at 0x4b533b
Capabilities:
Allocate or change rwx memory

Disassembly:
mov eax, dword [esp + 8]
push ebx
mov ebx, dword [esp + 8]
push esi
mov esi, ecx
push edi
and dword [esi + 0xc], 0
lea edi, [esi + 0xc]
mov dword [esi + 4], ebx
mov dword [esi + 8], eax
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
cmp dword [esi + 4], 0
mov dword [esi], eax
je 0x4b5387
cmp dword [esi + 8], 0
je 0x4b5387
push dword [esp + 0x14]
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_FlushInstructionCache]
test eax, eax
je 0x4b5387
push edi
push 0x40
push dword [esp + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
mov eax, esi
pop edi
pop esi
pop ebx
ret 8

Function at 0x4b7713
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0xc]
test edx, edx
jne 0x4b7721
xor eax, eax
pop ebp
ret
mov eax, dword [ebp + 8]
cmp dword [ebp + 0x10], 8
push esi
push edi
not eax
mov ecx, 0xff
jb 0x4b7802
mov edi, dword [ebp + 0x10]
push ebx
shr edi, 3
movzx ebx, byte [edx]
mov esi, eax
sub dword [ebp + 0x10], 8
and esi, ecx
xor esi, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [esi*4 + 0x50593c]
xor eax, ebx
inc edx
mov esi, eax
movzx ebx, byte [edx]
and esi, ecx
xor esi, ebx
movzx ebx, byte [edx + 1]
mov esi, dword [esi*4 + 0x50593c]
shr eax, 8
xor esi, eax
inc edx
mov eax, esi
and eax, ecx
xor eax, ebx
movzx ebx, byte [edx + 1]
mov eax, dword [eax*4 + 0x50593c]
shr esi, 8
xor eax, esi
inc edx
mov esi, eax
and esi, ecx
xor esi, ebx
movzx ebx, byte [edx + 1]
mov esi, dword [esi*4 + 0x50593c]
shr eax, 8
xor esi, eax
inc edx
mov eax, esi
and eax, ecx
xor eax, ebx
movzx ebx, byte [edx + 1]
mov eax, dword [eax*4 + 0x50593c]
shr esi, 8
xor eax, esi
inc edx
mov esi, eax
and esi, ecx
xor esi, ebx
movzx ebx, byte [edx + 1]
mov esi, dword [esi*4 + 0x50593c]
shr eax, 8
xor esi, eax
inc edx
mov eax, esi
and eax, ecx
xor eax, ebx
movzx ebx, byte [edx + 1]
mov eax, dword [eax*4 + 0x50593c]
shr esi, 8
xor eax, esi
inc edx
mov esi, eax
and esi, ecx
xor esi, ebx
shr eax, 8
mov esi, dword [esi*4 + 0x50593c]
xor eax, esi
inc edx
dec edi
jne 0x4b773e
pop ebx
cmp dword [ebp + 0x10], 0
je 0x4b7823
movzx edi, byte [edx]
mov esi, eax
and esi, ecx
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x50593c]
xor eax, esi
inc edx
dec dword [ebp + 0x10]
jne 0x4b7808
pop edi
pop esi
not eax
pop ebp
ret

Function at 0x4b8005
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0x14]
push edi
mov edi, dword [ebp + 0xc]
imul edi, dword [ebp + 0x10]
cmp byte [esi], 0
je 0x4b8039
lea eax, [ebp + 8]
push 0
push eax
push edi
push dword [ebp + 8]
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4b8034
mov byte [esi + 8], 1
mov eax, dword [ebp + 8]
jmp 0x4b8061
mov ecx, dword [esi + 0x18]
mov eax, dword [esi + 0x14]
lea edx, [ecx + edi]
cmp edx, eax
jbe 0x4b804a
sub eax, ecx
mov edi, eax
mov eax, dword [esi + 0x10]
push edi
add eax, ecx
push eax
push dword [ebp + 8]
call fcn.0047bb20
add esp, 0xc
add dword [esi + 0x18], edi
mov eax, edi
xor edx, edx
pop edi
div dword [ebp + 0xc]
pop esi
pop ebp
ret
Function at 0x4b8e1a
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4b8e9f
cmp dword [esi + 4], 0xffffffff
jne 0x4b8e9f
push edi
lea edi, [esi + 0x138]
push edi
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryA]
push 0x52584c
push edi
call fcn.0047b690
cmp dword [ebp + 0x10], 1
pop ecx
pop ecx
pop edi
jne 0x4b8e68
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, 1
je 0x4b8e68
mov eax, 0x2000000
jmp 0x4b8ea4
lea eax, [ebp - 4]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.004b7e11
add esp, 0x10
test eax, eax
jne 0x4b8e86
mov eax, dword [ebp - 4]
jmp 0x4b8ea4
push eax
call fcn.004b82bd
mov dword [esi], eax
pop ecx
neg eax
sbb eax, eax
and eax, 0xfffc0000
add eax, 0x40000
jmp 0x4b8ea4
mov eax, 0x1000000
pop esi
leave
ret 0xc

Function at 0x4b926d
Capabilities:
Create directory

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x208
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x4b9304
mov cl, byte [eax]
test cl, cl
je 0x4b9304
push esi
push edi
mov edi, eax
mov edx, eax
cmp cl, 0x2f
je 0x4b9297
cmp cl, 0x5c
jne 0x4b9299
mov edi, edx
mov cl, byte [edx + 1]
inc edx
test cl, cl
jne 0x4b928d
cmp edi, eax
mov esi, edi
je 0x4b92d4
sub esi, eax
push esi
push eax
lea eax, [ebp - 0x104]
push eax
call fcn.0047b86a
and byte [ebp + esi - 0x104], 0
lea eax, [ebp - 0x104]
push eax
push dword [ebp + 8]
call fcn.004b926d
add esp, 0x14
lea esi, [edi + 1]
push dword [ebp + 8]
lea eax, [ebp - 0x208]
push eax
call fcn.0047b680
lea eax, [ebp - 0x208]
push esi
push eax
call fcn.0047b690
add esp, 0x10
lea eax, [ebp - 0x208]
push 0
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
pop edi
pop esi
leave
ret
Function at 0x4b9c50
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, ecx
push edi
mov ecx, dword [esi + 0x18]
test ecx, ecx
je 0x4b9c8b
mov eax, dword [esi + 0x1c]
mov edi, dword [ebp + 0xc]
lea edx, [eax + edi]
cmp edx, dword [esi + 0x20]
jb 0x4b9c75
mov dword [esi + 0xc], 0x30000
jmp 0x4b9cb0
push edi
add eax, ecx
push dword [ebp + 8]
push eax
call fcn.0047bb20
add esp, 0xc
add dword [esi + 0x1c], edi
mov eax, edi
jmp 0x4b9cb2
mov eax, dword [esi]
test eax, eax
je 0x4b9ca9
lea ecx, [ebp + 0xc]
push 0
push ecx
push dword [ebp + 0xc]
push dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [ebp + 0xc]
jmp 0x4b9cb2
mov dword [esi + 0xc], 0x1000000
xor eax, eax
pop edi
pop esi
pop ebp
ret 8

Function at 0x4ba150
Capabilities:
Clear file content

Disassembly:
push esi
mov esi, ecx
push 0
mov eax, dword [esi]
push dword [esp + 0xc]
call dword [eax + 0x1c]
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
pop esi
ret 4

Function at 0x4bdc7e
Capabilities:
Hide graphical window

Disassembly:
push ebx
push ebp
push esi
push edi
xor edi, edi
mov esi, ecx
cmp dword [esp + 0x18], edi
jne 0x4bdd92
push edi
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetSystemMenu]
mov ebx, eax
cmp ebx, edi
je 0x4bdd92
mov eax, dword [esp + 0x14]
sub eax, 0xf020
je 0x4bdd83
sub eax, 0x10
je 0x4bdd5e
sub eax, 0x30
je 0x4bdd51
sub eax, 0xc0
je 0x4bdce2
mov eax, dword [esi]
push edi
push dword [esp + 0x18]
mov ecx, esi
push 0x112
call dword [eax + 0x24]
jmp 0x4bdd8d
push 0xfffffffffffffff0
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowLongA]
mov edi, dword [sym.imp.USER32.dll_EnableMenuItem]
mov ebp, 0xf120
test eax, 0x1000000
je 0x4bdd19
push 0
push 0xf030
push ebx
call edi
push 3
push ebp
push ebx
call edi
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1cc]
push 0xfffffffffffffff0
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowLongA]
test eax, 0x20000000
je 0x4bdd8d
push 0
push 0xf020
push ebx
call edi
push 3
push ebp
push ebx
call edi
push 9
push dword [esi + 4]
call dword [sym.imp.USER32.dll_ShowWindow]
mov eax, dword [esi]
push 0
mov ecx, esi
call dword [eax + 0x6c]
jmp 0x4bdd8d
mov eax, dword [esi]
push edi
push edi
push 0x10
mov ecx, esi
call dword [eax + 0x20]
jmp 0x4bdd8d
push edi
mov edi, dword [sym.imp.USER32.dll_EnableMenuItem]
push 0xf120
push ebx
call edi
push 3
push 0xf030
push ebx
call edi
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1d4]
jmp 0x4bdd8d
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1d0]
push 1
pop eax
jmp 0x4bdd94
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret 8
Function at 0x4d4840
Capabilities:
Get graphical window text

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
push esi
push edi
mov esi, dword [ebp + 0x10]
push 0xf00021
mov edx, dword [esi + 4]
mov ecx, dword [esi]
mov eax, dword [esi + 0xc]
sub eax, edx
push eax
mov eax, dword [esi + 8]
sub eax, ecx
push eax
push edx
push ecx
mov ecx, dword [ebp + 0xc]
push ecx
call dword [sym.imp.GDI32.dll_PatBlt]
mov edi, dword [ebp + 8]
push edi
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
mov ebx, eax
lea eax, [eax + 5]
add eax, 3
and eax, 0xfffffffc
call fcn.0047c100
mov dword [ebp - 4], esp
cmp dword [ebp - 4], 0
je 0x4d490b
add ebx, 2
mov eax, dword [ebp - 4]
push ebx
push eax
push edi
call dword [sym.imp.USER32.dll_GetWindowTextA]
test eax, eax
je 0x4d490b
mov bx, pe_nt_image_headers32
mov edi, dword [ebp + 0x14]
mov eax, edi
and al, 0xf
cmp al, 0xc
je 0x4d48be
mov ebx, edi
and bx, 0xf
or bx, 0x150
test edi, 0x80
je 0x4d48c9
or bh, 8
and edi, 0x8000000
je 0x4d48e4
mov eax, dword [0x53da5c]
mov ecx, dword [ebp + 0xc]
push eax
push ecx
call dword [sym.imp.GDI32.dll_SetTextColor]
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ebp + 0xc]
movzx eax, bx
push eax
push esi
push 0xffffffffffffffff
push ecx
push edx
call dword [sym.imp.USER32.dll_DrawTextA]
test edi, edi
je 0x4d490b
mov eax, dword [ebp - 8]
mov ecx, dword [ebp + 0xc]
push eax
push ecx
call dword [sym.imp.GDI32.dll_SetTextColor]
lea esp, [ebp - 0x14]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4d4ce0
Capabilities:
Extract resource via kernel32 functions

Disassembly:
mov eax, dword [esp + 8]
sub esp, 4
push ebx
push esi
mov esi, dword [esp + 0x10]
push edi
push ebp
push 2
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
mov edi, eax
test edi, edi
jne 0x4d4d0b
xor eax, eax
pop ebp
pop edi
pop esi
pop ebx
add esp, 4
ret 0x20
push edi
push esi
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov ebx, eax
push edi
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov esi, eax
test esi, esi
jne 0x4d4d2f
xor eax, eax
pop ebp
pop edi
pop esi
pop ebx
add esp, 4
ret 0x20
push ebx
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ebp, eax
test ebp, ebp
jne 0x4d4d4a
xor eax, eax
pop ebp
pop edi
pop esi
pop ebx
add esp, 4
ret 0x20
mov edi, ebp
mov ecx, ebx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov eax, dword [esp + 0x20]
xor ecx, ecx
mov cl, ah
mov edx, eax
mov dword [esp + 0x10], 0
shl ecx, 8
shr edx, 0x10
mov byte [esp + 0x10], dl
xor edx, edx
or ecx, dword [esp + 0x10]
mov dl, al
shl edx, 0x10
mov eax, dword [esp + 0x28]
or ecx, edx
mov edx, eax
shr edx, 0x10
mov dword [ebp + 0x28], ecx
mov dword [esp + 0x10], 0
xor ecx, ecx
mov byte [esp + 0x10], dl
mov cl, ah
xor edx, edx
shl ecx, 8
mov dl, al
shl edx, 0x10
or ecx, dword [esp + 0x10]
or ecx, edx
mov eax, dword [esp + 0x24]
mov edx, eax
mov dword [ebp + 0x44], ecx
shr edx, 0x10
xor ecx, ecx
mov dword [esp + 0x10], 0
mov cl, ah
mov byte [esp + 0x10], dl
shl ecx, 8
xor edx, edx
or ecx, dword [esp + 0x10]
mov dl, al
shl edx, 0x10
mov eax, dword [esp + 0x2c]
or ecx, edx
xor edx, edx
mov dl, al
mov dword [ebp + 0x48], ecx
shl edx, 0x10
xor ecx, ecx
mov cl, ah
shl ecx, 8
shr eax, 0x10
or ecx, edx
xor edx, edx
mov dl, al
mov eax, dword [esp + 0x30]
or ecx, edx
xor edx, edx
mov dl, al
mov dword [ebp + 0x64], ecx
shl edx, 0x10
xor ecx, ecx
mov cl, ah
shl ecx, 8
shr eax, 0x10
or ecx, edx
xor edx, edx
mov dl, al
mov eax, dword [esp + 0x34]
or ecx, edx
xor edx, edx
mov dl, al
mov dword [ebp + 0x54], ecx
shl edx, 0x10
xor ecx, ecx
mov cl, ah
shl ecx, 8
push 0
shr eax, 0x10
or ecx, edx
xor edx, edx
mov dl, al
or ecx, edx
mov dword [ebp + 0x50], ecx
call dword [sym.imp.USER32.dll_GetDC]
mov edi, eax
push 0
push ebp
lea ecx, [ebp + 0x68]
push ecx
push 4
push ebp
push edi
call dword [sym.imp.GDI32.dll_CreateDIBitmap]
mov esi, eax
push edi
push 0
call dword [sym.imp.USER32.dll_ReleaseDC]
push ebp
call dword [sym.imp.KERNEL32.dll_GlobalFree]
mov eax, esi
pop ebp
pop edi
pop esi
pop ebx
add esp, 4
ret 0x20

Function at 0x4d9b5a
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4d9b92
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.004dcb15
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.004dcaed
jmp 0x4d9b9e
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4
Function at 0x4db219
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x4db25b
call fcn.004e317c
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x4db25b
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x4db252
xor eax, eax
jmp 0x4db263
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004db269
pop edi
pop esi
pop ebx
ret 4

Function at 0x4dcdf2
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push esi
mov eax, ebx
push edi
mov edi, ecx
shr eax, 0x10
test ax, ax
mov dword [edi + 0x40], ebx
jne 0x4dce14
cmp dword [edi + 0x3c], 0
jne 0x4dce14
movzx eax, bx
mov dword [edi + 0x3c], eax
call fcn.004e317c
mov esi, dword [eax + 0xc]
push 5
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
push esi
mov ecx, edi
push dword [esp + 0x18]
push eax
call fcn.004dce41
pop edi
pop esi
pop ebx
ret 8

Function at 0x4e0cca
Capabilities:
Set registry value

Disassembly:
mov eax, 0x4ed728
call fcn.0047b598
push ecx
push ecx
push esi
push 0x10
call fcn.004dcbe4
mov esi, eax
pop ecx
mov dword [ebp - 0x14], esi
and dword [ebp - 4], 0
test esi, esi
je 0x4e0d17
mov ecx, esi
call fcn.004dd798
mov eax, dword [0x52ba98]
lea ecx, [esi + 0xc]
mov dword [ecx], eax
mov eax, dword [ebp + 8]
push dword [ebp + 0xc]
mov byte [ebp - 4], 2
mov dword [esi], vtable.CArchiveException.0
mov dword [esi + 8], eax
call fcn.004dc7f7
jmp 0x4e0d19
xor esi, esi
or dword [ebp - 4], 0xffffffff
lea eax, [ebp - 0x10]
push 0x51a660
push eax
mov dword [ebp - 0x10], esi
call fcn.0047eb26
pop esi

Function at 0x4e4204
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x4e4232
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x4e4250
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.004e416a
jmp 0x4e4250
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4e4250
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.004e416a
test edi, edi
mov eax, edi
jne 0x4e423a
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x4091c0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4654db
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.00459ff6
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x409242
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00457f0d
mov eax, dword [eax]
push 0x4831c0
push eax
call fcn.0044ad74
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0045a281
test bl, bl
je 0x409242
push 0x4831c0
lea ecx, [esp + 0xc]
call fcn.0045a611
push 0x486d3c
lea ecx, [esp + 0xc]
call fcn.0045a611
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x40927e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0045a281
jmp 0x409349
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x409302
lea edx, [esp + 0x7c]
push 0x486d38
push edx
call fcn.0044ad74
add esp, 8
test eax, eax
je 0x409302
lea eax, [esp + 0x7c]
push 0x486d34
push eax
call fcn.0044ad74
add esp, 8
test eax, eax
je 0x409302
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x409292
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.0045a281
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x409b40
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x409ba2
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x409bb0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x46555b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x48d1e8]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x409ce8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x409c16
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045a281
xor eax, eax
jmp 0x409d5f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0045a3be
push esi
lea ecx, [esp + 0xc]
call fcn.0045a64d
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x409d3d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.00409b40
test eax, eax
jne 0x409d3d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push accept
mov ecx, edi
call fcn.00409b40
test eax, eax
jne 0x409d3d
lea eax, [esp + 0x14]
push 0x486d50
push eax
call fcn.0044bdb0
mov esi, eax
add esp, 8
test esi, esi
jne 0x409d1c
lea ecx, [esp + 0x14]
push 0x486d4c
push ecx
call fcn.0044bd30
mov esi, eax
add esp, 8
test esi, esi
jne 0x409d1c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x409d1f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0045a36e
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x409c2e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045a281
xor eax, eax
jmp 0x409d5f
mov byte [esi], 0
push 0x486d48
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.0045a281
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4
Function at 0x41b410
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x41b47e
cmp si, 0x69
ja 0x41b47e
add esi, 0xffd0
cmp si, 0x11
je 0x41b44e
push 0x11
call edi
test ax, ax
jge 0x41b44e
or esi, 0x2000
cmp si, 0x10
je 0x41b463
push 0x10
call edi
test ax, ax
jge 0x41b463
or esi, 0x4000
cmp si, 0x12
je 0x41b478
push 0x12
call edi
test ax, ax
jge 0x41b478
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41b48b
mov esi, 0xbd
jmp 0x41b43f
cmp si, 0x6e
jne 0x41b498
mov esi, 0xbe
jmp 0x41b43f
cmp si, 0x6f
jne 0x41b439
mov esi, 0xbf
jmp 0x41b43f

Function at 0x41cb30
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x49d838]
xor edx, edx
cmp eax, edx
jne 0x41cb56
xor eax, eax
mov byte [eax + 0x49d738], al
inc eax
cmp eax, 0x100
jl 0x41cb3e
mov dword [0x49d838], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x49d738
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41cbe7
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x41cbba
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x41cb88
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41cc60
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x41ccb3
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x41cc9a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret