joyce8/EMBER2024-capa huggingface dataset:
Function at 0x46d7a0
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x4b3053
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
push ebp
push esi
mov esi, ecx
push edi
mov dword [esp + 0xc], esi
call fcn.004a60fe
lea edi, [esi + 0x64]
mov dword [esp + 0x18], 0
mov dword [edi + 4], 0
mov dword [edi], 0x4f3428
mov eax, dword [esp + 0x2c]
mov ebp, dword [esp + 0x24]
mov ecx, dword [esp + 0x30]
mov dword [esi + 0x3c], eax
mov eax, ebp
mov dword [esi], 0x4f1668
mov dword [esi + 0x40], ecx
mov dword [esi + 0x44], 0
mov ecx, dword [eax]
lea edx, [esi + 0x48]
mov byte [esp + 0x18], 1
mov dword [edx], ecx
mov ecx, dword [eax + 4]
mov dword [edx + 4], ecx
mov ecx, dword [eax + 8]
mov dword [edx + 8], ecx
mov eax, dword [eax + 0xc]
mov ecx, dword [esp + 0x40]
mov dword [edx + 0xc], eax
mov eax, dword [esp + 0x44]
push eax
mov dword [esi + 0x5c], ecx
mov dword [esi + 0x60], eax
call dword [sym.imp.GDI32.dll_CreateSolidBrush]
push eax
mov ecx, edi
call fcn.004ab79d
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x20]
push edx
push eax
push ebp
push 0x50800044
mov ecx, esi
call fcn.004accdb
test eax, eax
je 0x46d8bc
mov ecx, dword [esp + 0x3c]
call fcn.004ab7ca
mov ecx, dword [esi + 0x1c]
mov ebp, dword [sym.imp.USER32.dll_SendMessageA]
push 0
push eax
push 0x30
push ecx
mov dword [esi + 0x58], eax
call ebp
mov edi, dword [esp + 0x34]
test edi, edi
je 0x46d880
push edi
mov ecx, esi
call fcn.004a8e2c
mov ecx, esi
call fcn.0046da20
cmp dword [esp + 0x38], 1
jne 0x46d8b5
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
mov edx, dword [esi + 0x1c]
push 0xffffffffffffffff
not ecx
dec ecx
push ecx
push 0xb1
push edx
call ebp
mov eax, dword [esi + 0x1c]
push 0
push 0
push 0xb7
push eax
call ebp
mov ecx, esi
call fcn.004a8f67
mov ecx, dword [esp + 0x10]
mov eax, esi
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
add esp, 0x10
ret 0x28

Function at 0x4702e0
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x470313
push esi
call fcn.004733f0
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x47030c
mov dword [esi + 0x10], 0xcf
mov eax, 1
pop esi
ret
mov dword [esi + 0x10], 0xcb
mov eax, dword [esi + 0x10]
cmp eax, 0xcb
jne 0x470399
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x470382
mov eax, dword [esi + 8]
test eax, eax
je 0x470337
push esi
call dword [eax]
add esp, 4
mov ecx, dword [esi + 0x1b0]
push esi
call dword [ecx]
add esp, 4
test eax, eax
je 0x47037e
cmp eax, 2
je 0x470382
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x47032a
cmp eax, 3
je 0x47035d
cmp eax, 1
jne 0x47032a
mov eax, dword [ecx + 4]
inc eax
mov dword [ecx + 4], eax
mov eax, dword [esi + 8]
mov ecx, dword [eax + 8]
mov edx, dword [eax + 4]
cmp edx, ecx
jl 0x47032a
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x47032a
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.004703c0
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x4703a8
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.004703c0
add esp, 4
pop esi
ret
Function at 0x47b680
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x47b6e6
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x47b6e6
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x47b6c7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x47ba70
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x47baa8
mov edx, dword [esi + 4]
xor eax, eax
push 0
push 0
mov ecx, dword [edx - 8]
test ecx, ecx
setne al
mov ecx, eax
neg ecx
sbb ecx, ecx
and ecx, edx
neg eax
sbb eax, eax
push ecx
and eax, 2
inc eax
push eax
push 0x50a274
call dword [sym.imp.WININET.dll_InternetOpenA]
mov dword [esi], eax
mov ecx, dword [esi]
xor eax, eax
test ecx, ecx
setne al
pop esi
ret
Function at 0x47c7d0
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x47c819
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4

Function at 0x47cc90
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4b3550
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.0047c840
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.0047c8c0
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.0047c8c0
lea ecx, [esi + 0xc]
call fcn.004a4ab1
lea ecx, [esi + 0x10]
call fcn.004a4ab1
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.0047de50
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.0047de50
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.0047de50
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.004a4b26
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.004a4b26
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x47f470
Capabilities:
Encrypt data using des

Disassembly:
sub esp, 0xf4
xor ecx, ecx
push ebx
push ebp
push esi
mov esi, dword [esp + 0x104]
push edi
xor eax, eax
mov al, byte [ecx + 0x50a664]
mov edx, eax
and eax, 7
sar edx, 3
mov bl, byte [eax*2 + 0x50a5f4]
mov dl, byte [edx + esi]
test bl, dl
setne al
mov byte [esp + ecx + 0x4c], al
inc ecx
cmp ecx, 0x38
jl 0x47f483
mov eax, 0x1e
xor edx, edx
mov dword [esp + 0x10], eax
cmp dword [esp + 0x10c], 1
je 0x47f4c4
lea eax, [edx + edx]
lea edi, [esp + eax*4 + 0x88]
lea ebp, [esp + eax*4 + 0x84]
xor eax, eax
xor ecx, ecx
mov cl, byte [edx + 0x50a69c]
mov dword [edi], 0
mov dword [ebp], 0
mov esi, ecx
cmp ecx, 0x1c
jge 0x47f4f6
mov bl, byte [esp + ecx + 0x4c]
jmp 0x47f4fa
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x1c
jl 0x47f4eb
mov eax, 0x1c
lea ecx, [esi + 0x1c]
cmp ecx, 0x38
jge 0x47f518
mov bl, byte [esp + ecx + 0x4c]
jmp 0x47f51c
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x38
jl 0x47f50d
xor ecx, ecx
mov eax, 0x50a604
xor ebx, ebx
mov bl, byte [ecx + 0x50a6ac]
cmp byte [esp + ebx + 0x14], 0
je 0x47f547
mov esi, dword [eax]
mov ebx, dword [ebp]
or ebx, esi
mov dword [ebp], ebx
xor ebx, ebx
mov bl, byte [ecx + 0x50a6c4]
cmp byte [esp + ebx + 0x14], 0
je 0x47f55e
mov esi, dword [eax]
mov ebx, dword [edi]
or ebx, esi
mov dword [edi], ebx
add eax, 4
inc ecx
cmp eax, 0x50a664
jl 0x47f52e
mov eax, dword [esp + 0x10]
inc edx
sub eax, 2
cmp eax, 0xfffffffe
mov dword [esp + 0x10], eax
jg 0x47f4b7
lea edx, [esp + 0x84]
push edx
call fcn.0047f5a0
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xf4
ret
Function at 0x483ec0
Capabilities:
Execute anti-debugging instructions

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4f2d00
push 0x4962c4
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
mov dword [ebp - 4], 0
push dword [ebp + 0x10]
mov ebx, dword [ebp + 0xc]
rdtsc
mov esi, eax
mov edi, edx
call ebx
rdtsc
pop ebx
mov dword [ebp - 0x28], edx
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x20], edi
mov dword [ebp - 0x1c], esi
mov dword [ebp - 4], 0xffffffff
xor esi, esi
mov edi, dword [ebp - 0x20]
push 1
push esi
push esi
mov eax, dword [ebp - 0x28]
push eax
call fcn.00494670
sub eax, esi
sbb edx, edi
mov ecx, dword [ebp - 0x1c]
sub eax, ecx
sbb edx, esi
mov ecx, dword [ebp - 0x24]
add eax, ecx
adc edx, esi
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x484070
Capabilities:
Check os version

Disassembly:
sub esp, 0xa0
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
push edi
mov ecx, 0x27
xor eax, eax
lea edi, [esp + 0xc]
rep stosd dword es:[edi], eax
lea eax, [esp + 0xc]
mov dword [esp + 0xc], 0x9c
push eax
call esi
test eax, eax
jne 0x4840b1
lea ecx, [esp + 0xc]
mov dword [esp + 0xc], 0x94
push ecx
call esi
test eax, eax
je 0x48411e
cmp dword [esp + 0x1c], 2
jne 0x48411e
cmp dword [esp + 0x10], 5
jne 0x48411e
cmp dword [esp + 0x14], 1
jne 0x48411e
push 0x50ca44
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x484108
push 0x50ca34
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x4840f9
lea edx, [esp + 8]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call esi
jmp 0x484101
mov dword [esp + 8], 0
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov eax, dword [esp + 8]
test eax, eax
je 0x48411e
pop edi
mov eax, 1
pop esi
add esp, 0xa0
ret
pop edi
xor eax, eax
pop esi
add esp, 0xa0
ret
Function at 0x484cc0
Capabilities:
Get storage device properties

Disassembly:
mov eax, 0x2820
call fcn.00494f50
mov eax, dword [esp + 0x2824]
push ebx
push esi
push edi
push eax
lea ecx, [esp + 0x20]
push 0x50ca74
push ecx
call fcn.004960be
add esp, 0xc
lea edx, [esp + 0x1c]
push 0
push 0
push 3
push 0
push 3
push 0
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
je 0x484e6d
xor eax, eax
mov ecx, 0x9c4
mov dword [esp + 0x10], eax
lea edi, [esp + 0x11c]
mov dword [esp + 0x14], eax
mov ebx, dword [sym.imp.KERNEL32.dll_DeviceIoControl]
rep stosd dword es:[edi], eax
lea ecx, [esp + 0xc]
push eax
push ecx
lea edx, [esp + 0x124]
mov dword [esp + 0x20], eax
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
push 0x2710
push edx
lea eax, [esp + 0x20]
push 0xc
push eax
push 0x2d1400
push esi
mov dword [esp + 0x2c], 0
call ebx
test eax, eax
je 0x484e6d
mov ecx, dword [esp + 0x283c]
mov edx, dword [esp + 0x128]
push ecx
push 0
lea eax, [esp + 0x124]
push edx
push eax
call fcn.00484e80
mov ecx, dword [esp + 0x2848]
mov edx, dword [esp + 0x13c]
push ecx
push 0
lea eax, [esp + 0x134]
push edx
push eax
call fcn.00484e80
mov ecx, dword [esp + 0x2860]
mov edx, dword [esp + 0x150]
push ecx
push 0
lea eax, [esp + 0x144]
push edx
push eax
call fcn.00484e80
mov ecx, dword [esp + 0x2864]
mov edx, dword [esp + 0x164]
push ecx
push 1
lea eax, [esp + 0x154]
push edx
push eax
call fcn.00484e80
mov ecx, dword [esp + 0x2884]
add esp, 0x40
xor eax, eax
lea edi, [esp + 0x11c]
mov dword [ecx], 1
mov ecx, 0x9c4
lea edx, [esp + 0xc]
push eax
rep stosd dword es:[edi], eax
push edx
lea eax, [esp + 0x124]
push 0x2710
push eax
push 0
push 0
push 0x700a0
push esi
call ebx
test eax, eax
je 0x484e6d
mov edi, dword [esp + 0x124]
mov edx, dword [esp + 0x2848]
mov eax, dword [esp + 0x284c]
xor ecx, ecx
cmp edi, 0xc
push esi
setne cl
inc ecx
mov dword [edx], ecx
mov ecx, dword [esp + 0x138]
mov edx, dword [esp + 0x13c]
mov dword [eax], ecx
mov dword [eax + 4], edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
mov eax, 1
pop ebx
add esp, 0x2820
ret
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x2820
ret
Function at 0x48ddb0
Capabilities:
Capture screenshot

Disassembly:
sub esp, 0x10
lea eax, [esp]
push esi
mov esi, dword [esp + 0x18]
push eax
mov ecx, dword [esi]
push ecx
call dword [sym.imp.USER32.dll_GetWindowRect]
mov edx, dword [esi]
push edx
call dword [sym.imp.USER32.dll_GetWindowDC]
push eax
mov dword [esi + 4], eax
call dword [sym.imp.GDI32.dll_CreateCompatibleDC]
push 1
push eax
mov dword [esi + 8], eax
call dword [sym.imp.GDI32.dll_SetBkMode]
mov eax, dword [esi + 0x10]
test eax, eax
je 0x48ddfa
push eax
mov eax, dword [esi + 8]
mov dword [esi + 0x18], 0
push eax
jmp 0x48de29
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 8]
mov edx, dword [esp + 0xc]
sub ecx, eax
mov eax, dword [esi + 4]
push ecx
mov ecx, dword [esp + 8]
mov dword [esi + 0x18], 1
sub edx, ecx
push edx
push eax
call dword [sym.imp.GDI32.dll_CreateCompatibleBitmap]
mov ecx, dword [esi + 8]
push eax
mov dword [esi + 0x10], eax
push ecx
call dword [sym.imp.GDI32.dll_SelectObject]
mov dword [esi + 0x14], eax
mov eax, dword [esi + 0xc]
cmp eax, 1
jne 0x48de6b
mov edx, dword [esi + 4]
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
push 0xcc0020
push 0
push 0
push edx
mov edx, dword [esp + 0x18]
sub eax, edx
mov edx, dword [esp + 0x14]
sub ecx, edx
mov edx, dword [esi + 8]
push eax
push ecx
push 0
push 0
push edx
call dword [sym.imp.GDI32.dll_BitBlt]
mov eax, dword [esi + 8]
pop esi
add esp, 0x10
ret 4
Function at 0x4a6ef4
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4a6f2c
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.004a4f81
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.004a4f59
jmp 0x4a6f38
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x4a85e9
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 0x4a862b
call fcn.004ae381
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x4a862b
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x4a8622
xor eax, eax
jmp 0x4a8633
push eax
call dword [sym.imp.KERNEL32.dll_LockResource_1]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004a8639
pop edi
pop esi
pop ebx
ret 4

Function at 0x4ae8b1
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 0x4ae8df
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x4ae8fd
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.004ae817
jmp 0x4ae8fd
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4ae8fd
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.004ae817
test edi, edi
mov eax, edi
jne 0x4ae8e7
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8

Function at 0x549ff3
Capabilities:
Decompress data using aplib

Disassembly:
push ebp
mov ebp, esp
mov esi, dword [ebp + 8]
mov edi, dword [ebp + 0xc]
cld
mov dl, 0x80
movsb byte es:[edi], byte [esi]
call fcn.0054a072
jae 0x549fff
xor ecx, ecx
call fcn.0054a072
jae 0x54a029
xor eax, eax
call fcn.0054a072
jae 0x54a03a
mov al, 0x10
call fcn.0054a072
adc al, al
jae 0x54a01b
jne 0x54a067
stosb byte es:[edi], al
jmp 0x54a000
call fcn.0054a07e
dec ecx
loop 0x54a046
mov eax, ebp
call fcn.0054a07c
jmp 0x54a068
lodsb al, byte [esi]
shr eax, 1
je 0x54a08e
adc ecx, 2
mov ebp, eax
jmp 0x54a068
xchg ecx, eax
dec eax
shl eax, 8
lodsb al, byte [esi]
mov ebp, eax
call fcn.0054a07c
cmp eax, 0x7d00
jae 0x54a066
cmp eax, 0x500
jae 0x54a067
cmp eax, 0x7f
ja 0x54a068
inc ecx
inc ecx
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x54a000
pop ebp
ret 8
Function at 0x4b62c0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x5260bb
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.0051a86d
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x4b6342
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.005183bd
mov eax, dword [eax]
push 0x587250
push eax
call fcn.0050af44
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0051aaf8
test bl, bl
je 0x4b6342
push 0x587250
lea ecx, [esp + 0xc]
call fcn.0051ae88
push 0x58addc
lea ecx, [esp + 0xc]
call fcn.0051ae88
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 0x4b637e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0051aaf8
jmp 0x4b6449
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 0x4b6402
lea edx, [esp + 0x7c]
push 0x58add8
push edx
call fcn.0050af44
add esp, 8
test eax, eax
je 0x4b6402
lea eax, [esp + 0x7c]
push 0x58add4
push eax
call fcn.0050af44
add esp, 8
test eax, eax
je 0x4b6402
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 0x4b6392
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.0051aaf8
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 0x4b6c40
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 0x4b6ca2
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 0x4b6cb0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x52613b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x599218]
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 0x4b6de8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x4b6d16
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0051aaf8
xor eax, eax
jmp 0x4b6e5f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0051ac35
push esi
lea ecx, [esp + 0xc]
call fcn.0051aec4
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 0x4b6e3d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.004b6c40
test eax, eax
jne 0x4b6e3d
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.004b6c40
test eax, eax
jne 0x4b6e3d
lea eax, [esp + 0x14]
push 0x58adf0
push eax
call fcn.0050c050
mov esi, eax
add esp, 8
test esi, esi
jne 0x4b6e1c
lea ecx, [esp + 0x14]
push 0x58adec
push ecx
call fcn.0050bfd0
mov esi, eax
add esp, 8
test esi, esi
jne 0x4b6e1c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x4b6e1f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0051abe5
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x4b6d2e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0051aaf8
xor eax, eax
jmp 0x4b6e5f
mov byte [esi], 0
push 0x58ade8
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.0051aaf8
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 0x4c9cb0
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 0x4c9d1e
cmp si, 0x69
ja 0x4c9d1e
add esi, 0xffd0
cmp si, 0x11
je 0x4c9cee
push 0x11
call edi
test ax, ax
jge 0x4c9cee
or esi, 0x2000
cmp si, 0x10
je 0x4c9d03
push 0x10
call edi
test ax, ax
jge 0x4c9d03
or esi, 0x4000
cmp si, 0x12
je 0x4c9d18
push 0x12
call edi
test ax, ax
jge 0x4c9d18
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x4c9d2b
mov esi, 0xbd
jmp 0x4c9cdf
cmp si, 0x6e
jne 0x4c9d38
mov esi, 0xbe
jmp 0x4c9cdf
cmp si, 0x6f
jne 0x4c9cd9
mov esi, 0xbf
jmp 0x4c9cdf

Function at 0x4cb570
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x5a9ab0]
xor edx, edx
cmp eax, edx
jne 0x4cb596
xor eax, eax
mov byte [eax + 0x5a99b0], al
inc eax
cmp eax, 0x100
jl 0x4cb57e
mov dword [0x5a9ab0], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x5a99b0
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4cb627
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 0x4cb5fa
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 0x4cb5c8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4cb6a0
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 0x4cb6f3
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 0x4cb6da
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