joyce8/EMBER2024-capa huggingface dataset:
Function at 0x455e10
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x48b188
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
push esi
mov esi, ecx
lea eax, [esp + 0xc]
mov ecx, dword [esi + 0x1c]
push eax
push ecx
call dword [sym.imp.USER32.dll_GetClientRect]
push 0
lea ecx, [esp + 0x20]
call fcn.00483537
mov eax, dword [esi + 0xd0]
lea edx, [esp + 0x1c]
push eax
push eax
push edx
mov dword [esp + 0x44], 0
call fcn.004557b0
mov eax, dword [esi + 0x4c]
mov ecx, dword [esi + 0x48]
add eax, 0x64
add esp, 0xc
add ecx, 0x64
mov dword [esp + 8], eax
lea eax, [esp + 4]
mov dword [esp + 4], ecx
push eax
lea ecx, [esp + 0x20]
call fcn.00483465
mov ecx, dword [esp + 4]
mov eax, dword [esp + 0x14]
mov edx, dword [esp + 0xc]
sub ecx, eax
add ecx, edx
mov eax, 0x88888889
imul ecx
add edx, ecx
push 1
sar edx, 4
mov ecx, edx
shr ecx, 0x1f
lea eax, [edx + ecx + 1]
xor edx, edx
test eax, eax
setl dl
dec edx
mov ecx, esi
and eax, edx
push eax
push 0
push 0
call fcn.0047fd23
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 8]
sub ecx, eax
add ecx, edx
mov eax, 0x88888889
imul ecx
add edx, ecx
xor ecx, ecx
sar edx, 4
mov eax, edx
push 1
shr eax, 0x1f
lea eax, [edx + eax + 1]
test eax, eax
setl cl
dec ecx
and eax, ecx
mov ecx, esi
push eax
push 0
push 1
call fcn.0047fd23
push 1
push 0
push 0
mov ecx, esi
call fcn.0047fccb
push 1
push 0
push 1
mov ecx, esi
call fcn.0047fccb
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.004835a9
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret

Function at 0x455f90
Capabilities:
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x48b1a8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
push esi
mov esi, ecx
push 0
lea ecx, [esp + 0x20]
call fcn.00483537
push 0x3e8
lea eax, [esp + 0x20]
push 0x3e8
push eax
mov dword [esp + 0x44], 0
call fcn.004557b0
mov ecx, dword [esi + 0x48]
mov eax, dword [esi + 0x4c]
add ecx, 0x64
add esp, 0xc
mov dword [esp + 4], ecx
lea ecx, [esp + 4]
add eax, 0x96
push ecx
lea ecx, [esp + 0x20]
mov dword [esp + 0xc], eax
call fcn.00483465
mov eax, dword [esi + 0x1c]
lea edx, [esp + 0xc]
push edx
push eax
call dword [sym.imp.USER32.dll_GetClientRect]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x10]
sub eax, edx
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
cdq
idiv dword [esp + 8]
mov edx, dword [esp + 0xc]
mov ecx, eax
mov eax, dword [esp + 0x14]
sub eax, edx
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
cdq
idiv dword [esp + 4]
cmp dword [esp + 0x44], 1
jne 0x456054
cmp dword [esp + 0x40], 1
jne 0x456052
cmp ecx, eax
jge 0x456054
mov eax, ecx
cmp eax, 0xc8
jge 0x456060
mov eax, 0xc8
mov ecx, esi
mov dword [esi + 0xd0], eax
call fcn.00455e10
mov ecx, dword [esi + 0x1c]
push 1
push 0
push ecx
call dword [sym.imp.USER32.dll_InvalidateRect]
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.004835a9
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret 8
Function at 0x4567e0
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x48b213
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.0047e143
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.004837df
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x20]
push edx
push eax
push ebp
push 0x50800044
mov ecx, esi
call fcn.00484cfb
test eax, eax
je 0x4568fc
mov ecx, dword [esp + 0x3c]
call fcn.0048380c
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 0x4568c0
push edi
mov ecx, esi
call fcn.00480e6f
mov ecx, esi
call fcn.00456a60
cmp dword [esp + 0x38], 1
jne 0x4568f5
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.00480faa
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 0x459330
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x459363
push esi
call fcn.0045c430
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x45935c
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 0x4593e9
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x4593d2
mov eax, dword [esi + 8]
test eax, eax
je 0x459387
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 0x4593ce
cmp eax, 2
je 0x4593d2
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x45937a
cmp eax, 3
je 0x4593ad
cmp eax, 1
jne 0x45937a
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 0x45937a
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x45937a
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.00459410
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x4593f8
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.00459410
add esp, 4
pop esi
ret

Function at 0x466120
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 + 0x50243c]
mov dl, byte [edx + esi]
test bl, dl
setne al
mov byte [esp + ecx + 0x4c], al
inc ecx
cmp ecx, 0x38
jl 0x466133
mov eax, 0x1e
xor edx, edx
mov dword [esp + 0x10], eax
cmp dword [esp + 0x10c], 1
je 0x466174
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 + 0x5024e4]
mov dword [edi], 0
mov dword [ebp], 0
mov esi, ecx
cmp ecx, 0x1c
jge 0x4661a6
mov bl, byte [esp + ecx + 0x4c]
jmp 0x4661aa
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x1c
jl 0x46619b
mov eax, 0x1c
lea ecx, [esi + 0x1c]
cmp ecx, 0x38
jge 0x4661c8
mov bl, byte [esp + ecx + 0x4c]
jmp 0x4661cc
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x38
jl 0x4661bd
xor ecx, ecx
mov eax, 0x50244c
xor ebx, ebx
mov bl, byte [ecx + 0x5024f4]
cmp byte [esp + ebx + 0x14], 0
je 0x4661f7
mov esi, dword [eax]
mov ebx, dword [ebp]
or ebx, esi
mov dword [ebp], ebx
xor ebx, ebx
mov bl, byte [ecx + 0x50250c]
cmp byte [esp + ebx + 0x14], 0
je 0x46620e
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 0x4661de
mov eax, dword [esp + 0x10]
inc edx
sub eax, 2
cmp eax, 0xfffffffe
mov dword [esp + 0x10], eax
jg 0x466167
lea edx, [esp + 0x84]
push edx
call fcn.00466250
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xf4
ret
Function at 0x468210
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 0x468276
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 0x468276
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x468257
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x468600
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x468638
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 0x4692c0
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 0x469309
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 0x469780
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x48b750
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.00469330
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.004693b0
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.004693b0
lea ecx, [esi + 0xc]
call fcn.0047caf3
lea ecx, [esi + 0x10]
call fcn.0047caf3
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.0046a940
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.0046a940
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.0046a940
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.0047cb68
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.0047cb68
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x47ef39
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x47ef71
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.0047cfc3
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.0047cf9b
jmp 0x47ef7d
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x480627
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 0x480669
call fcn.004863a6
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x480669
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x480660
xor eax, eax
jmp 0x480671
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.00480677
pop edi
pop esi
pop ebx
ret 4

Function at 0x4868d6
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 0x486904
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x486922
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0048683c
jmp 0x486922
mov eax, dword [esi + 0x14]
test eax, eax
je 0x486922
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0048683c
test edi, edi
mov eax, edi
jne 0x48690c
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8

Function at 0x48f640
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0x535020]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x48f6d8
push reloc.OLEAUT32.dll_SysReAllocString
call sub.ADVAPI32.dll_RegOpenKeyExA
test eax, eax
jne 0x48f6b8
xor eax, eax
push ebp
push 0x48f6b1
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x48f6f4
mov eax, dword [ebp - 4]
push eax
call sub.ADVAPI32.dll_RegQueryValueExA
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x48f6b8
mov eax, dword [ebp - 4]
push eax
call sub.ADVAPI32.dll_RegCloseKey
ret
mov ax, word [0x535020]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0x535020], ax
mov esp, ebp
pop ebp
ret
Function at 0x490404
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x546044], 0
je 0x490465
cmp word [0x546218], 0xd7b2
jne 0x49042d
cmp dword [0x546220], 0
jbe 0x49042d
mov eax, 0x546214
call dword [0x546230]
push 0
lea eax, [esp + 4]
push eax
push 0x1e
push 0x535090
push 0xfffffffffffffff5
call sub.KERNEL32.dll_GetStdHandle
push eax
call sub.KERNEL32.dll_WriteFile
push 0
lea eax, [esp + 4]
push eax
push 2
push 0x49048c
push 0xfffffffffffffff5
call sub.KERNEL32.dll_GetStdHandle
push eax
call sub.KERNEL32.dll_WriteFile
pop edx
ret
cmp byte [0x535030], 0
jne 0x490481
push 0
push 0x535088
push 0x535090
push 0
call sub.USER32.dll_MessageBoxA
pop edx
ret
Function at 0x492304
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
xor edx, edx
mov dword [ebp - 0x10], edx
xor edx, edx
push ebp
push 0x49236a
push dword fs:[edx]
mov dword fs:[edx], esp
push 7
lea edx, [ebp - 0xb]
push edx
push 0x1004
push eax
call sub.KERNEL32.dll_GetLocaleInfoA
lea eax, [ebp - 0x10]
lea edx, [ebp - 0xb]
mov ecx, 7
call fcn.004907f8
mov eax, dword [ebp - 0x10]
lea edx, [ebp - 4]
call fcn.0048f234
mov ebx, eax
cmp dword [ebp - 4], 0
je 0x492354
xor ebx, ebx
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x492371
lea eax, [ebp - 0x10]
call fcn.00490588
ret

Function at 0x496790
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff00
push ebx
push esi
mov esi, ecx
mov ebx, dword [ebp + 8]
push 0x100
lea ecx, [ebp - 0x100]
push ecx
push edx
push eax
call sub.KERNEL32.dll_GetLocaleInfoA
test eax, eax
jle 0x4967c9
mov ecx, eax
dec ecx
lea edx, [ebp - 0x100]
mov eax, ebx
call fcn.00490678
jmp 0x4967d2
mov eax, ebx
mov edx, esi
call fcn.004905dc
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x4967dc
Capabilities:
Get geographical location

Disassembly:
push ebx
push esi
push edi
push ecx
mov ebx, ecx
mov esi, edx
mov edi, eax
push 2
lea eax, [esp + 4]
push eax
push esi
push edi
call sub.KERNEL32.dll_GetLocaleInfoA
test eax, eax
jle 0x4967fd
mov al, byte [esp]
jmp 0x4967ff
mov eax, ebx
pop edx
pop edi
pop esi
pop ebx
ret

Function at 0x497c58
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
push ebx
xor edx, edx
mov dword [ebp - 0xc], edx
xor edx, edx
push ebp
push 0x497cbc
push dword fs:[edx]
mov dword fs:[edx], esp
push 7
lea edx, [ebp - 7]
push edx
push 0x1004
push eax
call sub.KERNEL32.dll_GetLocaleInfoA
lea eax, [ebp - 0xc]
lea edx, [ebp - 7]
mov ecx, 7
call fcn.004907f8
mov eax, dword [ebp - 0xc]
push eax
call sub.KERNEL32.dll_GetACP
mov edx, eax
pop eax
call fcn.00493c20
mov ebx, eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x497cc3
lea eax, [ebp - 0xc]
call fcn.00490588
ret
Function at 0x498d84
Capabilities:
Encode data using base64
Encrypt data using rc4 ksa

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffff0
mov dword [esp + 4], ecx
mov dword [esp], edx
mov edi, 0x53533c
lea ecx, [esp + 8]
mov dword [ecx], eax
mov eax, dword [esp]
mov dword [esp + 0xc], eax
xor ebx, ebx
xor esi, esi
mov eax, dword [esp + 4]
mov ebp, 3
cdq
idiv ebp
test eax, eax
jle 0x498e48
mov edx, dword [ecx]
movzx edx, byte [edx + ebx]
shr edx, 2
mov dl, byte [edi + edx]
mov ebp, dword [esp + 0xc]
mov byte [ebp + esi], dl
mov edx, dword [ecx]
mov dl, byte [edx + ebx]
and dl, 3
and edx, 0xff
shl edx, 4
mov ebp, dword [ecx]
movzx ebp, byte [ebp + ebx + 1]
shr ebp, 4
add edx, ebp
mov dl, byte [edi + edx]
mov ebp, dword [esp + 0xc]
mov byte [ebp + esi + 1], dl
mov edx, dword [ecx]
mov dl, byte [edx + ebx + 1]
and dl, 0xf
and edx, 0xff
shl edx, 2
mov ebp, dword [ecx]
movzx ebp, byte [ebp + ebx + 2]
shr ebp, 6
add edx, ebp
mov dl, byte [edi + edx]
mov ebp, dword [esp + 0xc]
mov byte [ebp + esi + 2], dl
mov edx, dword [ecx]
mov dl, byte [edx + ebx + 2]
and dl, 0x3f
and edx, 0xff
mov dl, byte [edi + edx]
mov ebp, dword [esp + 0xc]
mov byte [ebp + esi + 3], dl
add esi, 4
add ebx, 3
dec eax
jne 0x498dbc
mov eax, dword [esp + 4]
mov ebp, 3
cdq
idiv ebp
dec edx
je 0x498e5f
dec edx
je 0x498ea0
jmp 0x498efd
mov eax, dword [ecx]
movzx eax, byte [eax + ebx]
shr eax, 2
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi], al
mov eax, dword [ecx]
mov al, byte [eax + ebx]
and al, 3
and eax, 0xff
shl eax, 4
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi + 1], al
mov eax, dword [esp + 0xc]
mov byte [eax + esi + 2], 0x3d
mov eax, dword [esp + 0xc]
mov byte [eax + esi + 3], 0x3d
jmp 0x498efd
mov eax, dword [ecx]
movzx eax, byte [eax + ebx]
shr eax, 2
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi], al
mov eax, dword [ecx]
mov al, byte [eax + ebx]
and al, 3
and eax, 0xff
shl eax, 4
mov edx, dword [ecx]
movzx edx, byte [edx + ebx + 1]
shr edx, 4
add eax, edx
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi + 1], al
mov eax, dword [ecx]
mov al, byte [eax + ebx + 1]
and al, 0xf
and eax, 0xff
shl eax, 2
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi + 2], al
mov eax, dword [esp + 0xc]
mov byte [eax + esi + 3], 0x3d
mov eax, dword [esp + 4]
add eax, 2
mov ecx, 3
cdq
idiv ecx
shl eax, 2
add esp, 0x10
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x498f60
Capabilities:
Encode data using base64

Disassembly:
push esi
push edi
push ebp
add esp, 0xfffffff4
mov dword [esp + 4], eax
mov dword [esp + 8], edx
xor esi, esi
xor edi, edi
xor eax, eax
mov ebp, ecx
test ebp, ebp
jns 0x498f7d
add ebp, 3
sar ebp, 2
test ebp, ebp
jle 0x49908f
mov edx, 4
mov eax, esp
mov ecx, dword [esp + 4]
movzx ecx, byte [ecx + esi]
cmp ecx, 0x3d
jg 0x498fb0
je 0x498ffc
sub ecx, 0x2b
je 0x498ff2
sub ecx, 4
je 0x498ff7
dec ecx
sub ecx, 0xa
jb 0x498fe1
jmp 0x498fff
add ecx, 0xffffffbf
sub ecx, 0x1a
jb 0x498fc2
add ecx, 0xfffffffa
sub ecx, 0x1a
jb 0x498fd0
jmp 0x498fff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x41
mov byte [eax], cl
jmp 0x498fff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x61
add cl, 0x1a
mov byte [eax], cl
jmp 0x498fff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x30
add cl, 0x34
mov byte [eax], cl
jmp 0x498fff
mov byte [eax], 0x3e
jmp 0x498fff
mov byte [eax], 0x3f
jmp 0x498fff
mov byte [eax], 0xff
inc esi
inc eax
dec edx
jne 0x498f8f
mov al, byte [esp]
shl eax, 2
xor edx, edx
mov dl, byte [esp + 1]
shr edx, 4
or al, dl
mov edx, dword [esp + 8]
mov byte [edx + edi], al
lea eax, [edi + 1]
mov dl, byte [esp + 2]
cmp dl, 0xff
je 0x49904f
cmp byte [esp + 3], 0xff
jne 0x49904f
mov al, byte [esp + 1]
shl eax, 4
and edx, 0xff
shr edx, 2
or al, dl
mov edx, dword [esp + 8]
mov byte [edx + edi + 1], al
lea eax, [edi + 2]
inc edi
jmp 0x499087
cmp dl, 0xff
je 0x499087
mov al, byte [esp + 1]
shl eax, 4
and edx, 0xff
shr edx, 2
or al, dl
mov edx, dword [esp + 8]
mov byte [edx + edi + 1], al
mov eax, dword [esp + 8]
mov dl, byte [esp + 2]
shl edx, 6
or dl, byte [esp + 3]
mov byte [eax + edi + 2], dl
lea eax, [edi + 3]
add edi, 2
inc edi
dec ebp
jne 0x498f88
add esp, 0xc
pop ebp
pop edi
pop esi
ret

Function at 0x49911c
Capabilities:
Hash data with crc32

Disassembly:
push ebx
xor ebx, ebx
mov ecx, 0x5467a0
mov eax, ebx
mov edx, 8
test al, 1
je 0x499138
shr eax, 1
xor eax, 0xedb88320
jmp 0x49913a
shr eax, 1
dec edx
jne 0x49912b
mov dword [ecx], eax
inc ebx
add ecx, 4
cmp ebx, 0x100
jne 0x499124
pop ebx
ret
Function at 0x499150
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push eax
mov eax, 0x10
add esp, 0xfffff004
push eax
dec eax
jne 0x499159
mov eax, dword [ebp - 4]
add esp, 0xfffffebc
push ebx
push esi
mov ebx, edx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
call fcn.00490a38
xor eax, eax
push ebp
push 0x499239
push dword fs:[eax]
mov dword fs:[eax], esp
call fcn.0049911c
mov eax, dword [0x545e0c]
mov byte [eax], 0
mov dword [ebx], 0xffffffff
mov edx, dword [ebp - 4]
lea eax, [ebp - 0x154]
call fcn.0048ee7c
mov edx, 1
lea eax, [ebp - 0x154]
call fcn.0048f218
call fcn.0048eba8
test eax, eax
jne 0x499216
lea eax, [ebp - 8]
push eax
lea edx, [ebp - 0x10145]
mov ecx, 0xfff1
lea eax, [ebp - 0x154]
call fcn.0048efcc
mov dx, word [ebp - 8]
test dx, dx
jbe 0x499210
lea eax, [ebp - 0x10145]
xor ecx, ecx
mov cl, byte [eax]
mov esi, dword [ebx]
and esi, 0xff
xor ecx, esi
mov ecx, dword [ecx*4 + 0x5467a0]
mov esi, dword [ebx]
shr esi, 8
xor ecx, esi
mov dword [ebx], ecx
inc eax
dec dx
jne 0x4991ec
cmp dword [ebp - 8], 0
jne 0x4991c3
lea eax, [ebp - 0x154]
call fcn.0048efec
not dword [ebx]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x499240
lea eax, [ebp - 4]
call fcn.00490588
ret

Function at 0x4a4718
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov esi, ecx
test esi, esi
jbe 0x4a4738
mov ecx, 1
mov ebx, edx
add ebx, ecx
dec ebx
mov bl, byte [ebx]
mov edi, eax
add edi, ecx
dec edi
xor byte [edi], bl
inc ecx
dec esi
jne 0x4a4726
pop edi
pop esi
pop ebx
ret