joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4f7de0
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x53e913
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.00530c97
lea edi, [esi + 0x64]
mov dword [esp + 0x18], 0
mov dword [edi + 4], 0
mov dword [edi], vtable.CBrush.0
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], method.CEdit.virtual_0
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.00536336
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x20]
push edx
push eax
push ebp
push 0x50800044
mov ecx, esi
call fcn.0053798f
test eax, eax
je 0x4f7efc
mov ecx, dword [esp + 0x3c]
call fcn.00536363
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 0x4f7ec0
push edi
mov ecx, esi
call fcn.005339c6
mov ecx, esi
call fcn.004f8060
cmp dword [esp + 0x38], 1
jne 0x4f7ef5
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.00533b01
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 0x4fa920
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x4fa953
push esi
call fcn.004fda30
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x4fa94c
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 0x4fa9d9
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x4fa9c2
mov eax, dword [esi + 8]
test eax, eax
je 0x4fa977
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 0x4fa9be
cmp eax, 2
je 0x4fa9c2
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x4fa96a
cmp eax, 3
je 0x4fa99d
cmp eax, 1
jne 0x4fa96a
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 0x4fa96a
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x4fa96a
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.004faa00
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x4fa9e8
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.004faa00
add esp, 4
pop esi
ret

Function at 0x509150
Capabilities:
Execute anti-debugging instructions

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x58a790
push 0x5209f4
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.0051eed0
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 0x509300
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 0x509341
lea ecx, [esp + 0xc]
mov dword [esp + 0xc], 0x94
push ecx
call esi
test eax, eax
je 0x5093ae
cmp dword [esp + 0x1c], 2
jne 0x5093ae
cmp dword [esp + 0x10], 5
jne 0x5093ae
cmp dword [esp + 0x14], 1
jne 0x5093ae
push str.kernel32
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x509398
push str.IsWow64Process
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x509389
lea edx, [esp + 8]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call esi
jmp 0x509391
mov dword [esp + 8], 0
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov eax, dword [esp + 8]
test eax, eax
je 0x5093ae
pop edi
mov eax, 1
pop esi
add esp, 0xa0
ret
pop edi
xor eax, eax
pop esi
add esp, 0xa0
ret
Function at 0x50f5e0
Capabilities:
Log keystrokes via polling

Disassembly:
push ebx
mov ebx, ecx
push ebp
push esi
mov eax, dword [ebx + 0x13c]
push edi
test eax, eax
jle 0x50f62c
mov eax, dword [ebx + 0x140]
test eax, eax
jle 0x50f62c
mov ebp, dword [sym.imp.USER32.dll_GetKeyState]
xor esi, esi
lea edi, [ebx + 0x150]
mov eax, dword [edi]
test eax, eax
je 0x50f616
push eax
call ebp
test ax, ax
jl 0x50f624
inc esi
add edi, 4
cmp esi, 6
jb 0x50f608
pop edi
pop esi
pop ebp
pop ebx
ret
push esi
mov ecx, ebx
call fcn.0050f2e0
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x511d00
Capabilities:
Create thread

Disassembly:
push ecx
cmp dword [ecx + 0xcc], 1
je 0x511d60
mov eax, dword [ecx + 0x1c]
test eax, eax
je 0x511d60
mov eax, dword [ecx + 0xb0]
test eax, eax
je 0x511d60
push esi
mov edx, 5
mov esi, dword [ecx + 0xbc]
cmp esi, edx
pop esi
je 0x511d60
mov dword [ecx + 0xb4], eax
mov dword [ecx + 0x94], 0
mov dword [ecx + 0xbc], edx
lea eax, [esp]
push eax
push 0
push ecx
push 0x511d70
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop ecx
ret
Function at 0x515690
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 + str.80_]
mov edx, eax
and eax, 7
sar edx, 3
mov bl, byte [eax*2 + 0x5ab8e4]
mov dl, byte [edx + esi]
test bl, dl
setne al
mov byte [esp + ecx + 0x4c], al
inc ecx
cmp ecx, 0x38
jl 0x5156a3
mov eax, 0x1e
xor edx, edx
mov dword [esp + 0x10], eax
cmp dword [esp + 0x10c], 1
je 0x5156e4
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 + 0x5ab98c]
mov dword [edi], 0
mov dword [ebp], 0
mov esi, ecx
cmp ecx, 0x1c
jge 0x515716
mov bl, byte [esp + ecx + 0x4c]
jmp 0x51571a
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x1c
jl 0x51570b
mov eax, 0x1c
lea ecx, [esi + 0x1c]
cmp ecx, 0x38
jge 0x515738
mov bl, byte [esp + ecx + 0x4c]
jmp 0x51573c
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x38
jl 0x51572d
xor ecx, ecx
mov eax, 0x5ab8f4
xor ebx, ebx
mov bl, byte [ecx + 0x5ab99c]
cmp byte [esp + ebx + 0x14], 0
je 0x515767
mov esi, dword [eax]
mov ebx, dword [ebp]
or ebx, esi
mov dword [ebp], ebx
xor ebx, ebx
mov bl, byte [ecx + 0x5ab9b4]
cmp byte [esp + ebx + 0x14], 0
je 0x51577e
mov esi, dword [eax]
mov ebx, dword [edi]
or ebx, esi
mov dword [edi], ebx
add eax, 4
inc ecx
cmp eax, str.80_
jl 0x51574e
mov eax, dword [esp + 0x10]
inc edx
sub eax, 2
cmp eax, 0xfffffffe
mov dword [esp + 0x10], eax
jg 0x5156d7
lea edx, [esp + 0x84]
push edx
call fcn.005157c0
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xf4
ret
Function at 0x51a790
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 0x51a7f6
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 0x51a7f6
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x51a7d7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x51ab80
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x51abb8
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 str.Mozilla_4.0__compatible__MSIE_6.0__Windows_NT_5.0_
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 0x51b840
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 0x51b889
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 0x51bd00
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x53f2a0
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.0051b8b0
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.0051b930
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.0051b930
lea ecx, [esi + 0xc]
call fcn.0052f64a
lea ecx, [esi + 0x10]
call fcn.0052f64a
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.0051cec0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.0051cec0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.0051cec0
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.0052f6bf
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.0052f6bf
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x531a8d
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x531ac5
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.0052fb1a
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.0052faf2
jmp 0x531ad1
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x533183
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 0x5331c5
call fcn.005391c1
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x5331c5
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x5331bc
xor eax, eax
jmp 0x5331cd
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.005331d3
pop edi
pop esi
pop ebx
ret 4

Function at 0x5396f1
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 0x53971f
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x53973d
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.00539657
jmp 0x53973d
mov eax, dword [esi + 0x14]
test eax, eax
je 0x53973d
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.00539657
test edi, edi
mov eax, edi
jne 0x539727
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x42e11e
Capabilities:
Decompress data using aplib

Disassembly:
pushal
mov esi, dword [esp + 0x24]
mov edi, dword [esp + 0x28]
cld
mov dl, 0x80
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
mov ebx, 2
add dl, dl
jne 0x42e13e
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x42e12a
add dl, dl
jne 0x42e149
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x42e19a
xor eax, eax
add dl, dl
jne 0x42e156
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x42e23b
add dl, dl
jne 0x42e165
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x42e170
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x42e17b
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x42e186
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
je 0x42e190
push edi
sub edi, eax
mov al, byte [edi]
pop edi
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0x42e135
mov eax, 1
add dl, dl
jne 0x42e1a8
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x42e1b3
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x42e19f
sub eax, ebx
mov ebx, 1
jne 0x42e1e6
mov ecx, 1
add dl, dl
jne 0x42e1cc
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x42e1d7
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x42e1c3
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x42e135
dec eax
shl eax, 8
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0x42e1fd
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x42e208
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x42e1f4
cmp eax, 0x7d00
jae 0x42e22b
cmp eax, 0x500
jb 0x42e226
inc ecx
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x42e135
cmp eax, 0x7f
ja 0x42e22e
add ecx, 2
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x42e135
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0x42e25c
adc ecx, 2
mov ebp, eax
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
mov ebx, 1
jmp 0x42e135
sub edi, dword [esp + 0x28]
mov dword [esp + 0x1c], edi
popal
ret 8
Function at 0x414b6c
Capabilities:
Execute syscall

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
cmp dword [ebp + 8], 0
jge 0x414b8e
mov eax, 0xfffffffd
jmp 0x414c06
mov ebx, dword [0xc66d24]
add ebx, 0x1c
mov dword [ebp - 4], ebx
mov ebx, dword [ebp - 4]
cmp dword [ebx], 0
je 0x414bd4
mov eax, dword [ebp + 8]
mov ecx, eax
and eax, 0xffff
shr ecx, 0x10
and ecx, 0xffff
mov edx, dword [ebp]
lea edx, [edx + 8]
call dword fs:[0xc0]
nop
nop
nop
nop
nop
leave
ret 4
mov ebx, dword [0xc66d24]
add ebx, 0x1c
mov dword [ebp - 4], ebx
mov ebx, dword [ebp - 4]
cmp dword [ebx], 0
jne 0x414bfc
mov eax, dword [ebp + 8]
mov edx, dword [ebp]
lea edx, [edx + 8]
int 0x2e
nop
leave
ret 4
mov eax, 0
jmp 0x414c06
mov esp, ebp
pop ebp
ret 4

Function at 0x41823a
Capabilities:
Check for peb beingdebugged flag

Disassembly:
push ebp
mov ebp, esp
xor eax, eax
mov ecx, dword fs:[0x30]
mov al, byte [ecx + 2]
leave
ret
Function at 0x473b79
Capabilities:
Execute syscall

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
cmp dword [ebp + 8], 0
jge 0x473b9b
mov eax, 0xfffffffd
jmp 0x473c13
mov ebx, dword [0xc670fc]
add ebx, 0x1c
mov dword [ebp - 4], ebx
mov ebx, dword [ebp - 4]
cmp dword [ebx], 0
je 0x473be1
mov eax, dword [ebp + 8]
mov ecx, eax
and eax, 0xffff
shr ecx, 0x10
and ecx, 0xffff
mov edx, dword [ebp]
lea edx, [edx + 8]
call dword fs:[0xc0]
nop
nop
nop
nop
nop
leave
ret 4
mov ebx, dword [0xc670fc]
add ebx, 0x1c
mov dword [ebp - 4], ebx
mov ebx, dword [ebp - 4]
cmp dword [ebx], 0
jne 0x473c09
mov eax, dword [ebp + 8]
mov edx, dword [ebp]
lea edx, [edx + 8]
int 0x2e
nop
leave
ret 4
mov eax, 0
jmp 0x473c13
mov esp, ebp
pop ebp
ret 4

Function at 0x474489
Capabilities:
Check for peb beingdebugged flag

Disassembly:
push ebp
mov ebp, esp
xor eax, eax
mov ecx, dword fs:[0x30]
mov al, byte [ecx + 2]
leave
ret
Function at 0x485b70
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x5080eb
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.004fc2f0
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x485bf2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004f9eea
mov eax, dword [eax]
push 0xc4e298
push eax
call fcn.004e8564
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004fc57b
test bl, bl
je 0x485bf2
push 0xc4e298
lea ecx, [esp + 0xc]
call fcn.004fc90b
push 0xc51e30
lea ecx, [esp + 0xc]
call fcn.004fc90b
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 0x485c2e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004fc57b
jmp 0x485cf9
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 0x485cb2
lea edx, [esp + 0x7c]
push 0xc51e2c
push edx
call fcn.004e8564
add esp, 8
test eax, eax
je 0x485cb2
lea eax, [esp + 0x7c]
push 0xc51e28
push eax
call fcn.004e8564
add esp, 8
test eax, eax
je 0x485cb2
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 0x485c42
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.004fc57b
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 0x4864f0
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 0x486552
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 0x486560
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x50816b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0xc6232c]
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 0x486698
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x4865c6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004fc57b
xor eax, eax
jmp 0x48670f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004fc6b8
push esi
lea ecx, [esp + 0xc]
call fcn.004fc947
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0xc51e68
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x4866ed
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push 0x80000000
call fcn.004864f0
test eax, eax
jne 0x4866ed
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 0x80000000
mov ecx, edi
call fcn.004864f0
test eax, eax
jne 0x4866ed
lea eax, [esp + 0x14]
push str.__1_
push eax
call fcn.004e9670
mov esi, eax
add esp, 8
test esi, esi
jne 0x4866cc
lea ecx, [esp + 0x14]
push 0xc51e40
push ecx
call fcn.004e95f0
mov esi, eax
add esp, 8
test esi, esi
jne 0x4866cc
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x4866cf
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004fc668
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x4865de
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004fc57b
xor eax, eax
jmp 0x48670f
mov byte [esi], 0
push 0xc51e3c
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.004fc57b
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 0x498450
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 0x4984be
cmp si, 0x69
ja 0x4984be
add esi, 0xffd0
cmp si, 0x11
je 0x49848e
push 0x11
call edi
test ax, ax
jge 0x49848e
or esi, 0x2000
cmp si, 0x10
je 0x4984a3
push 0x10
call edi
test ax, ax
jge 0x4984a3
or esi, 0x4000
cmp si, 0x12
je 0x4984b8
push 0x12
call edi
test ax, ax
jge 0x4984b8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x4984cb
mov esi, 0xbd
jmp 0x49847f
cmp si, 0x6e
jne 0x4984d8
mov esi, 0xbe
jmp 0x49847f
cmp si, 0x6f
jne 0x498479
mov esi, 0xbf
jmp 0x49847f

Function at 0x499c80
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0xc73860]
xor edx, edx
cmp eax, edx
jne 0x499ca6
xor eax, eax
mov byte [eax + 0xc73760], al
inc eax
cmp eax, 0x100
jl 0x499c8e
mov dword [0xc73860], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0xc73760
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x499d37
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 0x499d0a
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 0x499cd8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x499db0
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 0x499e03
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 0x499dea
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