joyce8/EMBER2024-capa huggingface dataset:
Function at 0x53b790
Capabilities:
Read data from internet
Receive data

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x57d9c8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x434
push ebx
push esi
mov esi, ecx
xor ebx, ebx
push edi
mov dword [ebp - 0x18], esi
mov eax, dword [esi + 0xc]
mov dword [ebp - 0x10], esp
cmp eax, ebx
je 0x53b7ce
push eax
call fcn.0055bf7e
add esp, 4
mov dword [esi + 0xc], ebx
push 0x400
lea ecx, [ebp - 0x40]
mov dword [esi + 0x10], ebx
call fcn.00576c81
mov ecx, 0xff
xor eax, eax
lea edi, [ebp - 0x43f]
mov byte [ebp - 0x440], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov edi, dword [sym.imp.WININET.dll_InternetReadFile]
mov eax, 1
mov dword [ebp - 4], ebx
mov dword [ebp - 0x14], eax
mov byte [ebp - 4], al
cmp dword [ebp - 0x14], ebx
je 0x53b84d
mov edx, dword [esi + 8]
lea eax, [ebp - 0x14]
push eax
lea ecx, [ebp - 0x440]
push 0x400
push ecx
push edx
call edi
cmp eax, ebx
je 0x53b80a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x53b80a
push eax
lea eax, [ebp - 0x440]
push eax
lea ecx, [ebp - 0x40]
call fcn.00576e68
jmp 0x53b80a
lea ecx, [ebp - 0x40]
mov dword [ebp - 4], ebx
call fcn.0056fc6c
mov edi, eax
cmp edi, ebx
jbe 0x53b86c
lea ecx, [ebp - 0x40]
call fcn.00576cf8
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], edi
xor ecx, ecx
mov dword [ebp - 4], 0xffffffff
cmp ecx, edi
lea ecx, [ebp - 0x40]
sbb esi, esi
neg esi
call fcn.00576d0a
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x53bc40
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x57da5a
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
push esi
mov esi, ecx
mov dword [esp + 4], esi
lea ecx, [esi + 0x34]
mov dword [esp + 0x10], 6
call fcn.0056f24e
lea ecx, [esi + 0x30]
mov byte [esp + 0x10], 5
call fcn.0056f24e
lea ecx, [esi + 0x2c]
mov byte [esp + 0x10], 4
call fcn.0056f24e
lea ecx, [esi + 0x28]
mov byte [esp + 0x10], 3
call fcn.0056f24e
lea ecx, [esi + 0xc]
mov byte [esp + 0x10], 2
call fcn.0056f24e
lea ecx, [esi + 8]
mov byte [esp + 0x10], 1
call fcn.0056f24e
lea ecx, [esi + 4]
mov byte [esp + 0x10], 0
call fcn.0056f24e
mov ecx, esi
mov dword [esp + 0x10], 0xffffffff
call fcn.0056f24e
mov ecx, dword [esp + 8]
pop esi
mov dword fs:[0], ecx
add esp, 0x10
ret

Function at 0x53bc56
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x57da5a
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
push esi
mov esi, ecx
mov dword [esp + 4], esi
lea ecx, [esi + 0x34]
mov dword [esp + 0x10], 6
call fcn.0056f24e
lea ecx, [esi + 0x30]
mov byte [esp + 0x10], 5
call fcn.0056f24e
lea ecx, [esi + 0x2c]
mov byte [esp + 0x10], 4
call fcn.0056f24e
lea ecx, [esi + 0x28]
mov byte [esp + 0x10], 3
call fcn.0056f24e
lea ecx, [esi + 0xc]
mov byte [esp + 0x10], 2
call fcn.0056f24e
lea ecx, [esi + 8]
mov byte [esp + 0x10], 1
call fcn.0056f24e
lea ecx, [esi + 4]
mov byte [esp + 0x10], 0
call fcn.0056f24e
mov ecx, esi
mov dword [esp + 0x10], 0xffffffff
call fcn.0056f24e
mov ecx, dword [esp + 8]
pop esi
mov dword fs:[0], ecx
add esp, 0x10
ret
Function at 0x53d260
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x53d26b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x53d36e
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0xe08f08]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0xe08f08]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0xe08f08]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0xe08f08]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0xe08f08]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0xe08f08]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0xe08f08]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0xe08f08]
xor eax, edx
inc ecx
dec edi
jne 0x53d286
pop edi
test esi, esi
je 0x53d390
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0xe08f08]
xor eax, edx
inc ecx
dec esi
jne 0x53d372
pop esi
pop ebx
not eax
ret
Function at 0x544390
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 0x5443f6
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 0x5443f6
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x5443d7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x544780
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x5447b8
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 0x5454e0
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 0x545529
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 0x5459a0
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x57de60
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.00545550
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.005455d0
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.005455d0
lea ecx, [esi + 0xc]
call fcn.0056f1d9
lea ecx, [esi + 0x10]
call fcn.0056f1d9
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.00546b60
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.00546b60
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.00546b60
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.0056f24e
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.0056f24e
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x54b0d0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x14]
mov edx, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 0x18]
imul eax, edi
add eax, edx
cmp edx, eax
mov dword [ebp - 0x14], eax
jae 0x54b1f1
mov eax, dword [ebp + 0x10]
lea eax, [edx + eax*4]
push ebx
push esi
mov dword [ebp + 0x14], eax
mov esi, 0xffc03fc0
mov eax, 0xff00ff
cmp edx, dword [ebp + 0x14]
mov ecx, dword [ebp + 8]
mov dword [ebp - 4], ecx
jae 0x54b1d5
mov ebx, dword [ebp + 0x14]
sub ebx, edx
dec ebx
shr ebx, 3
lea ecx, [edx + 4]
inc ebx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 0x10], ebx
mov edx, dword [ecx + edi]
mov edi, dword [edi + ecx - 4]
mov dword [ebp - 8], edi
shr edi, 2
and edi, esi
mov dword [ebp + 0x10], edx
mov edx, dword [ecx]
mov ecx, dword [ecx - 4]
mov ebx, ecx
shr ebx, 2
and ebx, esi
add ebx, edi
mov edi, dword [ebp + 0x10]
shr edi, 2
and edi, esi
add ebx, edi
mov edi, edx
shr edi, 2
and edi, esi
lea ebx, [ebx + edi - 0x7fff80]
mov edi, dword [ebp - 8]
and edi, eax
mov esi, ecx
and esi, eax
add esi, edi
mov edi, dword [ebp + 0x10]
and edi, eax
add esi, edi
mov edi, edx
and edi, eax
lea esi, [esi + edi + 0x20002]
mov edi, dword [ebp - 8]
shr ecx, 2
shr esi, 2
xor ebx, esi
shr edi, 2
mov esi, 0x3fc03fc0
and ecx, esi
and edi, esi
add ecx, edi
mov edi, dword [ebp + 0x10]
shr edi, 2
and edi, esi
add ecx, edi
mov edi, dword [ebp + 0x18]
shr edx, 2
and edx, esi
lea ecx, [ecx + edx + 0x800080]
and ebx, eax
xor ebx, ecx
mov ecx, dword [ebp - 4]
add dword [ebp - 4], 4
mov dword [ecx], ebx
mov ecx, dword [ebp - 0xc]
add ecx, 8
dec dword [ebp - 0x10]
mov dword [ebp - 0xc], ecx
mov esi, 0xffc03fc0
jne 0x54b127
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x1c]
add dword [ebp + 8], ecx
lea ecx, [edi + edi]
add dword [ebp + 0x14], ecx
add edx, ecx
cmp edx, dword [ebp - 0x14]
mov dword [ebp + 0xc], edx
jb 0x54b105
pop esi
pop ebx
xor eax, eax
pop edi
leave
ret 0x18

Function at 0x54bc39
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push ecx
and dword [ebp - 4], 0
lea eax, [ebp - 4]
push eax
push str.SoftwareMicrosoftDirect3D
push getpeername
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
jne 0x54bc90
push esi
lea eax, [ebp + 0x14]
push eax
push dword [ebp + 0x10]
lea eax, [ebp + 0x10]
push eax
push 0
push dword [ebp + 0xc]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push dword [ebp - 4]
mov esi, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test esi, esi
pop esi
jne 0x54bc90
mov eax, dword [ebp + 0x10]
cmp eax, dword [ebp + 8]
jne 0x54bc90
xor eax, eax
inc eax
jmp 0x54bc92
xor eax, eax
leave
ret 0x10
Function at 0x54bcbb
Capabilities:
Get system information on windows
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push edi
lea eax, [ebp - 4]
push eax
push str.SoftwareMicrosoftDirect3D
push getpeername
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
xor edi, edi
test eax, eax
jne 0x54bd29
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0xc]
push eax
push edi
push 0xe0d724
push dword [ebp - 4]
mov dword [ebp - 8], 4
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x54bd20
cmp dword [ebp - 0xc], 4
jne 0x54bd20
cmp dword [ebp - 0x10], edi
je 0x54bd20
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [0xe349d0], edi
xor eax, eax
jmp 0x54bd68
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp dword [0xe349d0], edi
jge 0x54bd63
lea eax, [ebp - 0x34]
push eax
mov dword [0xe349d0], edi
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
cmp word [ebp - 0x34], di
jne 0x54bd63
cmp word [ebp - 0x14], 5
jb 0x54bd63
call fcn.0054bc96
test eax, eax
je 0x54bd63
emms
mov dword [0xe349d0], 1
mov eax, dword [0xe349d0]
pop edi
leave
ret

Function at 0x5715fc
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x571634
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.0056f6a9
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.0056f681
jmp 0x571640
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x572cf1
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 0x572d33
call fcn.00578c9b
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x572d33
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x572d2a
xor eax, eax
jmp 0x572d3b
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.00572d41
pop edi
pop esi
pop ebx
ret 4

Function at 0x581640
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0xe76020]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x5816d8
push getpeername
call sub.ADVAPI32.dll_RegOpenKeyExA
test eax, eax
jne 0x5816b8
xor eax, eax
push ebp
push 0x5816b1
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 0x5816f4
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 0x5816b8
mov eax, dword [ebp - 4]
push eax
call sub.ADVAPI32.dll_RegCloseKey
ret
mov ax, word [0xe76020]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0xe76020], ax
mov esp, ebp
pop ebp
ret
Function at 0x582404
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0xe87044], 0
je 0x582465
cmp word [0xe87218], 0xd7b2
jne 0x58242d
cmp dword [0xe87220], 0
jbe 0x58242d
mov eax, 0xe87214
call dword [0xe87230]
push 0
lea eax, [esp + 4]
push eax
push 0x1e
push 0xe76090
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 0x58248c
push 0xfffffffffffffff5
call sub.KERNEL32.dll_GetStdHandle
push eax
call sub.KERNEL32.dll_WriteFile
pop edx
ret
cmp byte [0xe76030], 0
jne 0x582481
push 0
push 0xe76088
push 0xe76090
push 0
call sub.USER32.dll_MessageBoxA
pop edx
ret
Function at 0x584304
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 0x58436a
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.005827f8
mov eax, dword [ebp - 0x10]
lea edx, [ebp - 4]
call fcn.00581234
mov ebx, eax
cmp dword [ebp - 4], 0
je 0x584354
xor ebx, ebx
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x584371
lea eax, [ebp - 0x10]
call fcn.00582588
ret

Function at 0x588790
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 0x5887c9
mov ecx, eax
dec ecx
lea edx, [ebp - 0x100]
mov eax, ebx
call fcn.00582678
jmp 0x5887d2
mov eax, ebx
mov edx, esi
call fcn.005825dc
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x5887dc
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 0x5887fd
mov al, byte [esp]
jmp 0x5887ff
mov eax, ebx
pop edx
pop edi
pop esi
pop ebx
ret

Function at 0x589c58
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 0x589cbc
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.005827f8
mov eax, dword [ebp - 0xc]
push eax
call sub.KERNEL32.dll_GetACP
mov edx, eax
pop eax
call fcn.00585c20
mov ebx, eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x589cc3
lea eax, [ebp - 0xc]
call fcn.00582588
ret
Function at 0x58ad84
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, 0xe7633c
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 0x58ae48
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 0x58adbc
mov eax, dword [esp + 4]
mov ebp, 3
cdq
idiv ebp
dec edx
je 0x58ae5f
dec edx
je 0x58aea0
jmp 0x58aefd
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 0x58aefd
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 0x58af60
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 0x58af7d
add ebp, 3
sar ebp, 2
test ebp, ebp
jle 0x58b08f
mov edx, 4
mov eax, esp
mov ecx, dword [esp + 4]
movzx ecx, byte [ecx + esi]
cmp ecx, 0x3d
jg 0x58afb0
je 0x58affc
sub ecx, 0x2b
je 0x58aff2
sub ecx, 4
je 0x58aff7
dec ecx
sub ecx, 0xa
jb 0x58afe1
jmp 0x58afff
add ecx, 0xffffffbf
sub ecx, 0x1a
jb 0x58afc2
add ecx, 0xfffffffa
sub ecx, 0x1a
jb 0x58afd0
jmp 0x58afff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x41
mov byte [eax], cl
jmp 0x58afff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x61
add cl, 0x1a
mov byte [eax], cl
jmp 0x58afff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x30
add cl, 0x34
mov byte [eax], cl
jmp 0x58afff
mov byte [eax], 0x3e
jmp 0x58afff
mov byte [eax], 0x3f
jmp 0x58afff
mov byte [eax], 0xff
inc esi
inc eax
dec edx
jne 0x58af8f
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 0x58b04f
cmp byte [esp + 3], 0xff
jne 0x58b04f
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 0x58b087
cmp dl, 0xff
je 0x58b087
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 0x58af88
add esp, 0xc
pop ebp
pop edi
pop esi
ret

Function at 0x58b11c
Capabilities:
Hash data with crc32

Disassembly:
push ebx
xor ebx, ebx
mov ecx, 0xe877a0
mov eax, ebx
mov edx, 8
test al, 1
je 0x58b138
shr eax, 1
xor eax, 0xedb88320
jmp 0x58b13a
shr eax, 1
dec edx
jne 0x58b12b
mov dword [ecx], eax
inc ebx
add ecx, 4
cmp ebx, 0x100
jne 0x58b124
pop ebx
ret
Function at 0x58b150
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push eax
mov eax, 0x10
add esp, 0xfffff004
push eax
dec eax
jne 0x58b159
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.00582a38
xor eax, eax
push ebp
push 0x58b239
push dword fs:[eax]
mov dword fs:[eax], esp
call fcn.0058b11c
mov eax, dword [0xe86e0c]
mov byte [eax], 0
mov dword [ebx], 0xffffffff
mov edx, dword [ebp - 4]
lea eax, [ebp - 0x154]
call fcn.00580e7c
mov edx, 1
lea eax, [ebp - 0x154]
call fcn.00581218
call fcn.00580ba8
test eax, eax
jne 0x58b216
lea eax, [ebp - 8]
push eax
lea edx, [ebp - 0x10145]
mov ecx, 0xfff1
lea eax, [ebp - 0x154]
call fcn.00580fcc
mov dx, word [ebp - 8]
test dx, dx
jbe 0x58b210
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 + 0xe877a0]
mov esi, dword [ebx]
shr esi, 8
xor ecx, esi
mov dword [ebx], ecx
inc eax
dec dx
jne 0x58b1ec
cmp dword [ebp - 8], 0
jne 0x58b1c3
lea eax, [ebp - 0x154]
call fcn.00580fec
not dword [ebx]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x58b240
lea eax, [ebp - 4]
call fcn.00582588
ret

Function at 0x596718
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov esi, ecx
test esi, esi
jbe 0x596738
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 0x596726
pop edi
pop esi
pop ebx
ret