joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4bdac0
Capabilities:
Get file size
Write file on windows

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x51470b
push eax
mov eax, 0x2718
mov dword fs:[0], esp
call fcn.004df860
mov eax, dword [0x6b9a1c]
push edi
mov dword [esp + 4], eax
mov ecx, 0x9c4
xor eax, eax
lea edi, [esp + 0xc]
mov dword [esp + 0x2724], 0
rep stosd dword es:[edi], eax
mov ecx, dword [esp + 0x272c]
push ecx
lea ecx, [esp + 8]
call fcn.00502bbe
push 0x5c
lea ecx, [esp + 8]
call fcn.00502e38
mov edx, dword [esp + 0x2730]
lea ecx, [esp + 4]
push edx
call fcn.00502e11
mov eax, dword [esp + 4]
push 0
push 0x80
push 3
push 0
push 3
push 0x40000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
jne 0x4bdb66
lea ecx, [esp + 4]
mov dword [esp + 0x2724], eax
call fcn.00502a35
xor eax, eax
jmp 0x4bdbe3
push ebx
push esi
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
push 0
push 0
mov esi, eax
push 0x40
push edi
sub esi, 0x40
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
test esi, esi
jbe 0x4bdbc1
mov ebx, dword [sym.imp.KERNEL32.dll_WriteFile]
cmp esi, 0x2710
push 0
jbe 0x4bdbb3
lea ecx, [esp + 0x14]
lea edx, [esp + 0x18]
push ecx
push 0x2710
push edx
push edi
call ebx
sub esi, 0x2710
jne 0x4bdb8d
jmp 0x4bdbc1
lea eax, [esp + 0x14]
lea ecx, [esp + 0x18]
push eax
push esi
push ecx
push edi
call ebx
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea ecx, [esp + 0xc]
mov dword [esp + 0x272c], 0xffffffff
call fcn.00502a35
pop esi
mov eax, 1
pop ebx
mov ecx, dword [esp + 0x271c]
pop edi
mov dword fs:[0], ecx
add esp, 0x2724
ret 8

Function at 0x4c03a0
Capabilities:
Execute anti-debugging instructions

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x54e170
push 0x4e1064
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.004def30
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 0x4c0550
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 0x4c0591
lea ecx, [esp + 0xc]
mov dword [esp + 0xc], 0x94
push ecx
call esi
test eax, eax
je 0x4c05fe
cmp dword [esp + 0x1c], 2
jne 0x4c05fe
cmp dword [esp + 0x10], 5
jne 0x4c05fe
cmp dword [esp + 0x14], 1
jne 0x4c05fe
push str.kernel32
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x4c05e8
push str.IsWow64Process
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x4c05d9
lea edx, [esp + 8]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call esi
jmp 0x4c05e1
mov dword [esp + 8], 0
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov eax, dword [esp + 8]
test eax, eax
je 0x4c05fe
pop edi
mov eax, 1
pop esi
add esp, 0xa0
ret
pop edi
xor eax, eax
pop esi
add esp, 0xa0
ret
Function at 0x4c11a0
Capabilities:
Get storage device properties

Disassembly:
mov eax, 0x2820
call fcn.004df860
mov eax, dword [esp + 0x2824]
push ebx
push esi
push edi
push eax
lea ecx, [esp + 0x20]
push str..PhysicalDrive_d
push ecx
call fcn.004e06ee
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 0x4c134d
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 0x4c134d
mov ecx, dword [esp + 0x283c]
mov edx, dword [esp + 0x128]
push ecx
push 0
lea eax, [esp + 0x124]
push edx
push eax
call fcn.004c1360
mov ecx, dword [esp + 0x2848]
mov edx, dword [esp + 0x13c]
push ecx
push 0
lea eax, [esp + 0x134]
push edx
push eax
call fcn.004c1360
mov ecx, dword [esp + 0x2860]
mov edx, dword [esp + 0x150]
push ecx
push 0
lea eax, [esp + 0x144]
push edx
push eax
call fcn.004c1360
mov ecx, dword [esp + 0x2864]
mov edx, dword [esp + 0x164]
push ecx
push 1
lea eax, [esp + 0x154]
push edx
push eax
call fcn.004c1360
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 0x4c134d
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 0x4c4c60
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 0x4c4cc6
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 0x4c4cc6
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x4c4ca7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret
Function at 0x4c5490
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4c54c8
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 0x4c61f0
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 0x4c6239
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 0x4c66b0
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x514dc0
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.004c6260
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.004c62e0
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.004c62e0
lea ecx, [esi + 0xc]
call fcn.005029c0
lea ecx, [esi + 0x10]
call fcn.005029c0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.004c7840
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.004c7840
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.004c7840
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.00502a35
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.00502a35
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x4c98f0
Capabilities:
Enumerate pe sections

Disassembly:
push ecx
mov eax, dword [esp + 0x10]
push ebx
push ebp
xor ecx, ecx
mov ebp, dword [eax + 4]
mov eax, dword [eax]
mov dword [esp + 8], 0
mov cx, word [eax + 0x14]
cmp word [eax + 6], 0
lea ebx, [ecx + eax + 0x18]
jbe 0x4c99b1
push esi
push edi
add ebx, 0x10
cmp dword [ebx], 0
jne 0x4c995b
mov edx, dword [esp + 0x1c]
mov esi, dword [edx + 0x38]
test esi, esi
jle 0x4c998f
mov eax, dword [ebx - 4]
push 4
push 0x1000
add eax, ebp
push esi
push eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov ecx, esi
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx - 8], edi
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
jmp 0x4c998f
mov ecx, dword [ebx - 4]
mov eax, dword [ebx]
push 4
push 0x1000
add ecx, ebp
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov ecx, dword [ebx]
mov esi, dword [ebx + 4]
mov edi, dword [esp + 0x18]
mov edx, ecx
add esi, edi
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov dword [ebx - 8], eax
mov ecx, dword [esp + 0x20]
mov eax, dword [esp + 0x10]
inc eax
add ebx, 0x28
mov edx, dword [ecx]
xor ecx, ecx
mov dword [esp + 0x10], eax
mov cx, word [edx + 6]
cmp eax, ecx
jl 0x4c991e
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret

Function at 0x4c99c0
Capabilities:
Enumerate pe sections

Disassembly:
push ecx
mov eax, dword [esp + 8]
push ebx
xor ecx, ecx
push ebp
mov ebx, dword [eax]
xor ebp, ebp
mov cx, word [ebx + 0x14]
cmp word [ebx + 6], bp
lea eax, [ecx + ebx + 0x18]
jbe 0x4c9a79
push esi
push edi
lea edi, [eax + 0x24]
mov eax, dword [edi]
mov ecx, eax
mov edx, eax
shr ecx, 0x1d
shr edx, 0x1e
mov esi, eax
and ecx, 1
and edx, 1
shr esi, 0x1f
test eax, 0x2000000
je 0x4c9a17
mov edx, dword [edi - 0x14]
mov eax, dword [edi - 0x1c]
push 0x4000
push edx
push eax
call dword [sym.imp.KERNEL32.dll_VirtualFree]
jmp 0x4c9a5f
lea ecx, [edx + ecx*2]
test eax, 0x4000000
lea edx, [esi + ecx*2]
mov esi, dword [edx*4 + 0x668abc]
je 0x4c9a31
or esi, 0x200
mov edx, dword [edi - 0x14]
mov ecx, edx
test ecx, ecx
jne 0x4c9a4c
test al, 0x40
je 0x4c9a43
mov ecx, dword [ebx + 0x20]
jmp 0x4c9a4a
test al, 0x80
je 0x4c9a5f
mov ecx, dword [ebx + 0x24]
test ecx, ecx
jbe 0x4c9a5f
mov ecx, dword [edi - 0x1c]
lea eax, [esp + 0x10]
push eax
push esi
push edx
push ecx
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
mov edx, dword [esp + 0x18]
xor eax, eax
inc ebp
add edi, 0x28
mov ebx, dword [edx]
mov ax, word [ebx + 6]
cmp ebp, eax
jl 0x4c99e4
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4f8330
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push 0xffffffffffffffff
push 0x5168f0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
mov al, byte [esp + 0x3c]
push ebx
xor ebx, ebx
push esi
mov esi, ecx
mov byte [esp + 0x10], al
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], ebx
mov ecx, dword [esp + 0x44]
push ebx
mov dword [esp + 0x40], ebx
mov byte [esp + 0x28], al
mov edx, dword [ecx]
lea ecx, [esp + 0x28]
mov dword [esp + 0x24], edx
call fcn.004ed3c4
mov eax, dword [0x619d18]
lea ecx, [esp + 0x10]
push eax
push ebx
push ecx
lea ecx, [esp + 0x30]
call fcn.004ed2f6
lea edx, [esp + 0x20]
lea eax, [esp + 8]
push edx
push eax
mov ecx, esi
mov byte [esp + 0x44], 1
call fcn.004f8e10
mov esi, dword [eax]
mov ecx, dword [eax + 4]
mov eax, dword [esp + 0x28]
cmp eax, ebx
mov dword [esp + 0xc], ecx
je 0x4f83d7
lea ecx, [eax - 1]
mov al, byte [eax - 1]
cmp al, bl
je 0x4f83ce
cmp al, 0xff
je 0x4f83ce
dec al
mov byte [ecx], al
jmp 0x4f83d7
push ecx
call fcn.0050279f
add esp, 4
mov eax, dword [esp + 0x14]
mov dword [esp + 0x28], ebx
cmp eax, ebx
mov dword [esp + 0x2c], ebx
mov dword [esp + 0x30], ebx
je 0x4f8408
lea ecx, [eax - 1]
mov al, byte [eax - 1]
cmp al, bl
je 0x4f83ff
cmp al, 0xff
je 0x4f83ff
dec al
mov byte [ecx], al
jmp 0x4f8408
push ecx
call fcn.0050279f
add esp, 4
mov ecx, dword [esp + 0x34]
lea eax, [esi + 0x10]
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x38
ret 4
Function at 0x504e52
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x504e8a
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.00502edc
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.00502eb4
jmp 0x504e96
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x506540
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 0x506582
call fcn.0050c534
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x506582
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x506579
xor eax, eax
jmp 0x50658a
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.00506590
pop edi
pop esi
pop ebx
ret 4

Function at 0x50ca64
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 0x50ca92
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x50cab0
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0050c9ca
jmp 0x50cab0
mov eax, dword [esi + 0x14]
test eax, eax
je 0x50cab0
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0050c9ca
test edi, edi
mov eax, edi
jne 0x50ca9a
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x4069b0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x49050b
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.0048543f
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x406a32
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00483351
mov eax, dword [eax]
push 0xb3bc80
push eax
call fcn.00475364
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004856ca
test bl, bl
je 0x406a32
push 0xb3bc80
lea ecx, [esp + 0xc]
call fcn.00485a5a
push 0xb3bc8c
lea ecx, [esp + 0xc]
call fcn.00485a5a
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 0x406a6e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004856ca
jmp 0x406b39
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 0x406af2
lea edx, [esp + 0x7c]
push 0xb3bc88
push edx
call fcn.00475364
add esp, 8
test eax, eax
je 0x406af2
lea eax, [esp + 0x7c]
push 0xb3bc84
push eax
call fcn.00475364
add esp, 8
test eax, eax
je 0x406af2
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 0x406a82
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.004856ca
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 0x407340
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 0x4073a2
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 0x4073b0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x49058b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0xb4b080]
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 0x4074e8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x407416
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004856ca
xor eax, eax
jmp 0x40755f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00485807
push esi
lea ecx, [esp + 0xc]
call fcn.00485a96
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 0x40753d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.00407340
test eax, eax
jne 0x40753d
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 closesocket
mov ecx, edi
call fcn.00407340
test eax, eax
jne 0x40753d
lea eax, [esp + 0x14]
push 0xb3bc9c
push eax
call fcn.004763e0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40751c
lea ecx, [esp + 0x14]
push 0xb3bc98
push ecx
call fcn.00476360
mov esi, eax
add esp, 8
test esi, esi
jne 0x40751c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40751f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004857b7
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40742e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004856ca
xor eax, eax
jmp 0x40755f
mov byte [esi], 0
push 0xb3bc94
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.004856ca
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 0x417f30
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 0x417f9e
cmp si, 0x69
ja 0x417f9e
add esi, 0xffd0
cmp si, 0x11
je 0x417f6e
push 0x11
call edi
test ax, ax
jge 0x417f6e
or esi, 0x2000
cmp si, 0x10
je 0x417f83
push 0x10
call edi
test ax, ax
jge 0x417f83
or esi, 0x4000
cmp si, 0x12
je 0x417f98
push 0x12
call edi
test ax, ax
jge 0x417f98
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x417fab
mov esi, 0xbd
jmp 0x417f5f
cmp si, 0x6e
jne 0x417fb8
mov esi, 0xbe
jmp 0x417f5f
cmp si, 0x6f
jne 0x417f59
mov esi, 0xbf
jmp 0x417f5f

Function at 0x4197f0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0xb5b7d8]
xor edx, edx
cmp eax, edx
jne 0x419816
xor eax, eax
mov byte [eax + 0xb5b6d8], al
inc eax
cmp eax, 0x100
jl 0x4197fe
mov dword [0xb5b7d8], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0xb5b6d8
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4198a7
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 0x41987a
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 0x419848
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x419920
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 0x419973
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 0x41995a
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