joyce8/EMBER2024-capa huggingface dataset:
Function at 0x489340
Capabilities:
Read .ini file

Disassembly:
sub esp, 0x50
push esi
lea eax, [esp + 0x44]
push 0x10
push eax
call fcn.00488d90
lea eax, [esp + 0x24]
push 0x10
push eax
call fcn.00488df0
lea eax, [esp + 0x34]
push 0x10
push eax
call fcn.00488fa0
lea eax, [esp + 4]
push 0x10
push eax
call fcn.00488f50
lea eax, [esp + 0x44]
push eax
lea eax, [esp + 0x18]
push 0x10
push eax
lea eax, [esp + 0x40]
push 0x489330
push eax
lea eax, [esp + 0x38]
push eax
call sub.KERNEL32.dll_GetPrivateProfileStringA
mov esi, eax
or esi, esi
je 0x4893af
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 8]
push eax
call fcn.00488620
mov ecx, dword [esp + 0x5c]
mov byte [ecx], al
cmp esi, 1
sbb al, al
inc al
pop esi
add esp, 0x50
ret 8

Function at 0x4893c0
Capabilities:
Read .ini file

Disassembly:
sub esp, 0x30
lea eax, [esp + 0x20]
push 0x10
push eax
call fcn.00488d90
lea eax, [esp]
push 0x10
push eax
call fcn.00488df0
lea eax, [esp + 0x10]
push 0x10
push eax
call fcn.00488f00
lea eax, [esp + 0x20]
push eax
lea eax, [esp + 0x14]
push 0
push eax
lea eax, [esp + 0xc]
push eax
call sub.KERNEL32.dll_GetPrivateProfileIntA
mov ecx, dword [esp + 0x34]
cmp eax, 1
mov word [ecx], ax
sbb cl, cl
inc cl
mov al, cl
add esp, 0x30
ret 4

Function at 0x489430
Capabilities:
Read .ini file

Disassembly:
sub esp, 0x70
push esi
mov esi, dword [esp + 0x78]
push 0x10
mov word [esi], 0
lea eax, [esp + 8]
push 0
push eax
call fcn.004887b0
lea eax, [esp + 0x64]
push 0x10
push eax
call fcn.00488d90
lea eax, [esp + 0x44]
push 0x10
push eax
call fcn.00488df0
lea eax, [esp + 0x54]
push 0x10
push eax
call fcn.00488e50
lea eax, [esp + 0x34]
push 0x10
push eax
call fcn.00489000
lea eax, [esp + 0x24]
push 0x10
push eax
call fcn.004890b0
lea eax, [esp + 0x14]
push 0x10
push eax
call fcn.00489060
lea eax, [esp + 0x64]
push eax
lea eax, [esp + 8]
push 0x10
push eax
lea eax, [esp + 0x60]
push 0x489420
push eax
lea eax, [esp + 0x58]
push eax
call sub.KERNEL32.dll_GetPrivateProfileStringA
or eax, eax
je 0x489503
lea eax, [esp + 0x34]
push eax
lea eax, [esp + 8]
push eax
call fcn.00488620
or al, al
je 0x4894d1
mov word [esi], 2
jmp 0x489503
lea eax, [esp + 0x24]
push eax
lea eax, [esp + 8]
push eax
call fcn.00488620
or al, al
je 0x4894eb
mov word [esi], 3
jmp 0x489503
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 8]
push eax
call fcn.00488620
or al, al
je 0x489503
mov word [esi], 1
cmp word [esi], 1
sbb al, al
inc al
pop esi
add esp, 0x70
ret 4
Function at 0x4896f0
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 4
push ebx
push esi
push edi
push ebp
mov esi, dword [esp + 0x18]
mov byte [esp + 0x13], 0
lea eax, [esi + 4]
mov edi, dword [esp + 0x1c]
mov dword [esi], eax
mov ax, word [edi + 4]
mov word [esi + 4], ax
mov ax, word [edi + 0xa]
mov word [esi + 6], ax
mov ax, word [edi + 0x14]
mov word [esi + 0x16], ax
mov ax, word [edi + 8]
mov word [esi + 8], ax
mov ax, word [edi + 6]
mov word [esi + 0xa], ax
lea eax, [esi + 0x24]
mov dword [esi + 0x10], eax
lea eax, [esi + 4]
push eax
call fcn.004895f0
or al, al
jne 0x48987a
test byte [edi + 0x1c], 4
je 0x489753
mov byte [esp + 0x13], 1
sub cx, cx
sub dx, dx
lea esp, [esp]
mov ebp, ecx
and ebp, 0xffff
lea eax, [ebp*8]
sub eax, ebp
shl eax, 2
lea eax, [eax + eax*4]
lea ebx, [esi + eax]
lea eax, [ebp*4]
mov word [ebx + 0x36], cx
lea eax, [eax + eax*8]
lea ebp, [edi + eax]
mov ax, word [ebp + 0xe]
mov word [ebx + 0x9c], ax
mov ax, word [ebp + 0x12]
mov word [ebx + 0x8e], ax
mov ax, word [ebp + 0x16]
mov word [ebx + 0x34], ax
mov ax, word [ebp + 0x18]
mov word [ebx + 0x32], ax
mov eax, dword [ebp + 0x1c]
mov dword [ebx + 0x2c], eax
cmp cx, 3
mov eax, dword [ebp + 0x20]
mov dword [ebx + 0x24], eax
mov eax, dword [ebp + 0x24]
mov dword [ebx + 0x28], eax
lea eax, [esi + 4]
mov dword [ebx + 0xa4], eax
jne 0x4897e0
mov dword [ebx + 0xa8], 0
jmp 0x4897ec
lea eax, [ebx + 0xb0]
mov dword [ebx + 0xa8], eax
or cx, cx
jne 0x489800
mov dword [ebx + 0xac], 0
jmp 0x489809
lea eax, [ebx - 0x68]
mov dword [ebx + 0xac], eax
cmp byte [esp + 0x13], 0
je 0x489820
cmp word [ebp + 0xe], 0xffff
jne 0x489820
or dword [ebx + 0x2c], 8
jmp 0x489826
mov word [ebx + 0x36], dx
inc dx
inc cx
cmp cx, 4
jb 0x489760
push esi
call fcn.00489660
push esi
call fcn.004895a0
push esi
call fcn.00489560
mov eax, dword [esi + 0x10]
push eax
call fcn.0048aa20
mov word [esi + 0xc], ax
or ax, ax
je 0x489870
lea eax, [esi + 4]
push eax
call fcn.0048a870
sub ax, ax
pop ebp
pop edi
pop esi
pop ebx
add esp, 4
ret 8
push esi
call fcn.00489530
mov ax, 9
pop ebp
pop edi
pop esi
pop ebx
add esp, 4
ret 8

Function at 0x48b970
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0xc
push esi
push edi
lea eax, [esp + 0xa]
push eax
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
mov eax, dword [esp + 0x28]
mov esi, dword [esp + 0x24]
push eax
push esi
call fcn.00489890
mov eax, dword [esp + 0xc]
push 0xd
mov ax, word [eax + 4]
push eax
call fcn.0048b4a0
or al, al
jne 0x48b9fa
mov eax, dword [esp + 0x10]
push eax
push esi
call fcn.0048c290
or al, al
jne 0x48b9fa
mov eax, dword [esp + 0xc]
mov ax, word [eax + 0xa]
push eax
mov eax, dword [esp + 0x10]
mov al, byte [eax + 8]
push eax
mov eax, dword [esp + 0x14]
mov ax, word [eax + 6]
push eax
mov eax, dword [esp + 0x18]
mov ax, word [eax + 4]
push eax
mov eax, dword [esp + 0x20]
push eax
push esi
call fcn.0048c150
mov di, ax
mov eax, dword [esp + 0x10]
push eax
push esi
call fcn.0048c2e0
or di, di
je 0x48b9fa
mov ax, di
pop edi
pop esi
add esp, 0xc
ret 8
Function at 0x48baa0
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0xc
push ebx
push esi
push edi
lea eax, [esp + 0xe]
push eax
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x1c]
mov edi, dword [esp + 0x28]
push eax
mov esi, dword [esp + 0x28]
push edi
push esi
call fcn.00489890
lea eax, [esp + 0xe]
push eax
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x1c]
push eax
push edi
push esi
call fcn.00489890
mov eax, dword [esp + 0x10]
push 0xe
mov ax, word [eax + 4]
push eax
call fcn.0048b4a0
or al, al
jne 0x48bb83
mov eax, dword [esp + 0x14]
push eax
push esi
call fcn.0048c290
mov bx, ax
or bl, bl
jne 0x48bb52
mov eax, dword [esp + 0x10]
mov ax, word [eax + 0xe]
push eax
mov eax, dword [esp + 0x14]
mov ax, word [eax + 0xc]
push eax
mov eax, dword [esp + 0x18]
mov ax, word [eax + 0xa]
push eax
mov eax, dword [esp + 0x1c]
mov al, byte [eax + 8]
push eax
mov eax, dword [esp + 0x20]
mov ax, word [eax + 6]
push eax
mov eax, dword [esp + 0x24]
mov ax, word [eax + 4]
push eax
mov eax, dword [esp + 0x2c]
push eax
push esi
call fcn.0048c1a0
mov bx, ax
mov eax, dword [esp + 0x14]
push eax
push esi
call fcn.0048c2e0
push esi
call fcn.004899a0
cmp ax, 0xd
jne 0x48bb62
mov bx, 0xd
cmp bl, 0xd
je 0x48bb6d
cmp bx, 3
jne 0x48bb80
mov ax, word [esp + 0xe]
dec word [esp + 0xe]
or ax, ax
jne 0x48baf2
mov ax, bx
pop edi
pop esi
pop ebx
add esp, 0xc
ret 8

Function at 0x48d930
Capabilities:
Check if file exists

Disassembly:
sub esp, 0xc
push esi
mov byte [esp + 4], 0x52
mov byte [esp + 5], 0x4e
mov byte [esp + 6], 0x42
mov byte [esp + 7], 0x4f
mov byte [esp + 8], 0x44
mov byte [esp + 9], 0x52
mov byte [esp + 0xa], 0x56
mov ax, word [esp + 0x18]
add al, 0x30
mov byte [esp + 0xb], al
mov esi, dword [esp + 0x14]
mov byte [esp + 0xc], 0
mov dword [esi], 0
push 0
push 0x80
push 3
push 0
push 3
lea eax, [esp + 0x18]
push 0xc0000000
push eax
call sub.KERNEL32.dll_CreateFileA
mov dword [esi], eax
cmp eax, 0xffffffff
jne 0x48d9c6
call sub.KERNEL32.dll_GetLastError
cmp eax, 2
jb 0x48d9a3
cmp eax, 3
jbe 0x48d9bb
mov eax, dword [esi]
cmp eax, 0xffffffff
je 0x48d9b0
push eax
call sub.KERNEL32.dll_CloseHandle
mov ax, 0x80b
pop esi
add esp, 0xc
ret 8
mov ax, 0x80c
pop esi
add esp, 0xc
ret 8
mov ax, 0x800
pop esi
add esp, 0xc
ret 8

Function at 0x48d9e0
Capabilities:
Read file on windows
Write file on windows

Disassembly:
sub esp, 4
push ebx
push esi
push edi
mov esi, dword [esp + 0x18]
push esi
mov word [esi + 6], 0xffff
call fcn.0048d8d0
lea eax, [esp + 0xc]
push 0
push eax
xor eax, eax
mov ax, word [esi + 2]
push eax
mov edi, dword [esp + 0x20]
push esi
mov eax, dword [edi]
push eax
call sub.KERNEL32.dll_WriteFile
mov ebx, eax
or ebx, ebx
je 0x48da30
lea eax, [esp + 0xc]
push 0
push eax
xor eax, eax
mov ax, word [esi + 2]
push eax
push esi
mov eax, dword [edi]
push eax
call sub.KERNEL32.dll_ReadFile
mov ebx, eax
push esi
call fcn.0048d890
or ebx, ebx
je 0x48da42
cmp word [esi + 6], 0xffff
jne 0x48da48
mov word [esi + 6], 0x83b
mov ax, word [esi + 6]
pop edi
pop esi
pop ebx
add esp, 4
ret 8
Function at 0x48db70
Capabilities:
Check if file exists

Disassembly:
sub esp, 0x10
push esi
mov al, byte [esp + 0x1c]
push eax
lea eax, [esp + 8]
push eax
call fcn.0048db30
push 0
push 0x80
push 3
push 0
push 3
lea eax, [esp + 0x18]
push 0xc0000000
push eax
call sub.KERNEL32.dll_CreateFileA
mov esi, dword [esp + 0x18]
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48dbe0
call sub.KERNEL32.dll_GetLastError
cmp eax, 2
jb 0x48dbb9
cmp eax, 3
jbe 0x48dbd1
mov eax, dword [esi]
cmp eax, 0xffffffff
je 0x48dbc6
push eax
call sub.KERNEL32.dll_CloseHandle
mov ax, 0x20b
pop esi
add esp, 0x10
ret 8
mov ax, 0x20c
pop esi
add esp, 0x10
ret 8
mov ax, 0x200
pop esi
add esp, 0x10
ret 8

Function at 0x48dbf0
Capabilities:
Check if file exists
Contain obfuscated stackstrings

Disassembly:
sub esp, 0x10
push esi
mov byte [esp + 4], 0x5c
mov byte [esp + 5], 0x5c
mov byte [esp + 6], 0x2e
mov byte [esp + 7], 0x5c
mov byte [esp + 8], 0x53
mov byte [esp + 9], 0x6e
mov byte [esp + 0xa], 0x74
mov byte [esp + 0xb], 0x6e
mov byte [esp + 0xc], 0x6c
mov byte [esp + 0xd], 0x55
mov byte [esp + 0xe], 0x73
mov byte [esp + 0xf], 0x62
mov byte [esp + 0x10], 0
push 0
push 0x80
push 3
push 0
push 3
lea eax, [esp + 0x18]
push 0xc0000000
push eax
call sub.KERNEL32.dll_CreateFileA
mov esi, dword [esp + 0x18]
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48dc90
call sub.KERNEL32.dll_GetLastError
cmp eax, 2
jb 0x48dc6b
cmp eax, 3
jbe 0x48dc83
mov eax, dword [esi]
cmp eax, 0xffffffff
je 0x48dc78
push eax
call sub.KERNEL32.dll_CloseHandle
mov ax, 0x20b
pop esi
add esp, 0x10
ret 8
mov ax, 0x20c
pop esi
add esp, 0x10
ret 8
mov ax, 0x200
pop esi
add esp, 0x10
ret 8

Function at 0x48dcb0
Capabilities:
Read file on windows

Disassembly:
sub esp, 4
push esi
push edi
mov esi, dword [esp + 0x14]
push esi
mov word [esi + 6], 0xffff
call fcn.0048d8d0
lea eax, [esp + 8]
push 0
push eax
xor eax, eax
mov ax, word [esi + 2]
push eax
mov eax, dword [esp + 0x1c]
push esi
mov eax, dword [eax]
push eax
call sub.KERNEL32.dll_ReadFile
mov edi, eax
push esi
call fcn.0048d890
cmp edi, 1
jne 0x48dcf5
cmp word [esi + 6], 0xffff
jne 0x48dcfb
mov word [esi + 6], 0x23b
mov ax, word [esi + 6]
pop edi
pop esi
add esp, 4
ret 8
Function at 0x48deb0
Capabilities:
Contain obfuscated stackstrings
Read .ini file

Disassembly:
sub esp, 0x24
mov byte [esp + 8], 0x53
mov byte [esp + 9], 0x59
mov byte [esp + 0xa], 0x53
mov byte [esp + 0xb], 0x54
mov byte [esp + 0xc], 0x45
mov byte [esp + 0xd], 0x4d
mov byte [esp + 0xe], 0x2e
mov byte [esp + 0xf], 0x49
mov byte [esp + 0x10], 0x4e
mov byte [esp + 0x11], 0x49
mov byte [esp + 0x12], 0
mov byte [esp + 0x14], 0x53
mov byte [esp + 0x15], 0x65
mov byte [esp + 0x16], 0x6e
mov byte [esp + 0x17], 0x74
mov byte [esp + 0x18], 0x69
mov byte [esp + 0x19], 0x6e
mov byte [esp + 0x1a], 0x65
mov byte [esp + 0x1b], 0x6c
mov byte [esp + 0x1c], 0x53
mov byte [esp + 0x1d], 0x65
mov byte [esp + 0x1e], 0x74
mov byte [esp + 0x1f], 0x75
mov byte [esp + 0x20], 0x70
mov byte [esp + 0x21], 0
mov byte [esp], 0x49
mov byte [esp + 1], 0x6f
lea eax, [esp + 8]
mov byte [esp + 2], 0x45
mov byte [esp + 3], 0x6e
mov byte [esp + 4], 0x74
mov byte [esp + 5], 0x72
mov byte [esp + 6], 0x79
mov byte [esp + 7], 0
push eax
lea eax, [esp + 4]
push 0
push eax
lea eax, [esp + 0x20]
push eax
call sub.KERNEL32.dll_GetPrivateProfileIntA
add esp, 0x24
ret
Function at 0x48f664
Capabilities:
Hash data with md5

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov eax, dword [ebp + 8]
mov dword [eax + 4], 0
mov eax, dword [ebp + 8]
mov eax, dword [eax + 4]
mov ecx, dword [ebp + 8]
mov dword [ecx], eax
mov eax, dword [ebp + 8]
mov dword [eax + 8], 0x67452301
mov eax, dword [ebp + 8]
mov dword [eax + 0xc], 0xefcdab89
mov eax, dword [ebp + 8]
mov dword [eax + 0x10], 0x98badcfe
mov eax, dword [ebp + 8]
mov dword [eax + 0x14], 0x10325476
jmp 0x48f6a9
pop edi
pop esi
pop ebx
leave
ret

Function at 0x4909d4
Capabilities:
Link many functions at runtime

Disassembly:
lea esi, [0x4e2818]
push esi
mov eax, dword [0x4e2408]
push eax
call sub.KERNEL32.dll_GetProcAddress
mov dword [0x4e282d], eax
mov dword [0x4e20f5], 1
mov eax, 0x4000
push eax
lea eax, [0x4e2333]
push eax
lea eax, [0x4e20e1]
push eax
lea esi, [0x4e25cf]
call dword [esi]
cmp eax, 0xffffffff
jne 0x490a20
mov dword [0x4e20f5], 0
cmp dword [0x4e20f5], 0
je 0x490a96
mov eax, 0x4000
push eax
lea eax, [0x4e2333]
push eax
lea eax, [0x4e20ca]
push eax
lea esi, [0x4e25cf]
call dword [esi]
cmp eax, 0xffffffff
je 0x490a96
lea eax, [0x4e20ca]
push eax
call dword [0x4e21f3]
mov dword [0x4e20ed], eax
cmp eax, 0
je 0x490a96
lea edx, [0x4e20f9]
push edx
push eax
call sub.KERNEL32.dll_GetProcAddress
cmp eax, 0
je 0x490a96
mov dword [0x4e214b], eax
mov eax, dword [0x4e20ed]
lea edx, [0x4e2130]
push edx
push eax
call sub.KERNEL32.dll_GetProcAddress
cmp eax, 0
je 0x490a96
mov dword [0x4e214f], eax
jmp 0x490b0e
mov eax, 0x4000
push eax
lea eax, [0x4e2333]
push eax
lea eax, [0x4e20d7]
push eax
lea esi, [0x4e25cf]
call dword [esi]
cmp eax, 0xffffffff
je 0x490b03
lea eax, [0x4e20d7]
push eax
call dword [0x4e21f3]
mov dword [0x4e20f1], eax
cmp eax, 0
je 0x490b03
lea edx, [0x4e2115]
push edx
push eax
call sub.KERNEL32.dll_GetProcAddress
cmp eax, 0
je 0x490b03
mov dword [0x4e214b], eax
mov eax, dword [0x4e20f1]
lea edx, [0x4e213e]
push edx
push eax
call sub.KERNEL32.dll_GetProcAddress
cmp eax, 0
je 0x490b03
mov dword [0x4e214f], eax
jmp 0x490b19
mov dword [0x4e2153], 0
ret
mov dword [0x4e2153], 1
ret
mov dword [0x4e2153], 2
ret

Function at 0x490e31
Capabilities:
Packed with generic packer

Disassembly:
pushal
push eax
push ecx
push edx
test ax, 1
je 0x490e4e
push ecx
push edx
call dword [0x4e2763]
cmp eax, 0
je 0x490e4e
pop edx
pop ecx
pop eax
stc
jmp 0x490e69
pop edx
pop ecx
pop eax
test ax, 2
je 0x490e68
push ecx
push edx
call dword [0x4e2775]
cmp ax, 0
je 0x490e68
stc
jmp 0x490e69
clc
popal
ret
Function at 0x491c9c
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
push ebx
push ebp
push esi
mov ecx, dword [eax]
push edi
mov edi, dword [esp + 0x14]
lea ebp, [eax + 8]
mov dword [esp + 0x14], 0xc
mov edx, dword [edi + 4]
add edx, ecx
mov ecx, dword [edi]
mov dword [edi + 4], edx
mov edx, dword [eax + 4]
add ecx, edx
mov dword [edi], ecx
mov ebx, dword [edi]
mov ecx, dword [edi + 4]
mov esi, ebx
mov edx, ebx
shr esi, 4
xor edx, ecx
and esi, 0x1f
mov ecx, 0x20
mov eax, edx
sub ecx, esi
add ebp, 8
shr eax, cl
mov ecx, esi
shl edx, cl
mov ecx, 0x20
or eax, edx
mov edx, dword [ebp - 8]
sub eax, edx
mov edx, eax
mov dword [edi + 4], eax
shr edx, 7
and edx, 0x1f
xor eax, ebx
sub ecx, edx
mov esi, eax
shr esi, cl
mov ecx, edx
mov edx, dword [ebp - 4]
shl eax, cl
or esi, eax
mov eax, dword [esp + 0x14]
add esi, edx
dec eax
mov dword [edi], esi
mov dword [esp + 0x14], eax
jne 0x491cc6
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x491d25
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x14]
lea ebp, [eax + 0x60]
mov dword [esp + 0x14], 0xc
mov ebx, dword [edi + 4]
mov edx, dword [edi]
mov ecx, dword [ebp + 4]
mov esi, ebx
shr esi, 7
sub edx, ecx
and esi, 0x1f
mov ecx, 0x20
mov eax, edx
sub ecx, esi
sub ebp, 8
shl eax, cl
mov ecx, esi
shr edx, cl
or eax, edx
xor eax, ebx
mov dword [edi], eax
mov ecx, dword [ebp + 8]
mov edx, eax
shr edx, 4
lea esi, [ebx + ecx]
and edx, 0x1f
mov ecx, 0x20
mov ebx, esi
sub ecx, edx
shl ebx, cl
mov ecx, edx
shr esi, cl
or ebx, esi
xor ebx, eax
mov eax, dword [esp + 0x14]
dec eax
mov dword [edi + 4], ebx
mov dword [esp + 0x14], eax
jne 0x491d3c
mov eax, dword [esp + 0x18]
mov esi, dword [edi]
mov ecx, ebx
mov edx, dword [eax + 4]
sub esi, edx
mov dword [edi], esi
mov eax, dword [eax]
sub ecx, eax
mov dword [edi + 4], ecx
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x491db0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x88
mov eax, dword [esp + 0x90]
push ebx
push esi
mov esi, dword [esp + 0x94]
lea ebx, [eax + 7]
shr ebx, 3
and eax, 7
mov dword [esp + 0x18], ebx
mov dword [esp + 0x10], eax
jne 0x491de1
mov dword [esp + 0x10], 8
push ebp
push edi
lea eax, [ebx - 1]
xor edx, edx
xor ecx, ecx
xor edi, edi
test eax, eax
mov dword [esp + 0x14], edx
mov dword [esp + 0x10], ecx
mov dword [esp + 0x1c], edi
jbe 0x491eb1
mov ebp, dword [esi]
xor ebp, ecx
mov ecx, dword [esi + 4]
xor ecx, edx
mov dword [esi], ebp
test edi, edi
mov dword [esi + 4], ecx
jne 0x491e83
cmp ebx, 2
push edi
jbe 0x491e76
lea eax, [esp + 0x2c]
push eax
push esi
call fcn.004921e1
mov edi, dword [esp + 0x34]
add esp, 0xc
mov dword [esp + 0x30], edi
lea eax, [esp + 0x30]
mov ebx, 0x19
mov ecx, dword [eax]
mov edx, dword [esp + 0x2c]
add ecx, edx
mov ebp, edi
mov dword [eax + 4], ecx
mov edx, dword [eax]
and edx, 0x1f
mov ecx, 0x20
sub ecx, edx
add eax, 4
shl ebp, cl
mov ecx, edx
mov edx, ebp
mov ebp, edi
shr ebp, cl
or edx, ebp
mov ebp, dword [esp + 0x34]
xor ebp, edx
dec ebx
mov dword [esp + 0x34], ebp
jne 0x491e37
mov ebx, dword [esp + 0x20]
mov edi, dword [esp + 0x1c]
jmp 0x491e91
push 0
push esi
call fcn.004921e1
add esp, 0xc
jmp 0x491e91
lea eax, [esp + 0x30]
push eax
push esi
call fcn.00491c9c
add esp, 8
mov ecx, dword [esi]
mov edx, dword [esi + 4]
add esi, 8
inc edi
lea eax, [ebx - 1]
mov dword [esp + 0x10], ecx
cmp edi, eax
mov dword [esp + 0x14], edx
mov dword [esp + 0x1c], edi
jb 0x491e00
mov eax, dword [esp + 0x18]
xor edi, edi
test eax, eax
jbe 0x491edc
mov ebp, esi
lea ecx, [esp + 0x10]
sub ebp, ecx
mov cl, byte [esp + edi + 0x10]
lea eax, [esp + edi + 0x10]
mov dl, byte [ebp + eax]
xor cl, dl
inc edi
mov byte [eax], cl
mov eax, dword [esp + 0x18]
cmp edi, eax
jb 0x491ec3
pop edi
cmp ebx, 2
pop ebp
jbe 0x491ef7
lea eax, [esp + 0x28]
lea ecx, [esp + 8]
push eax
push ecx
call fcn.00491c9c
add esp, 8
jmp 0x491f1a
cmp ebx, 1
jne 0x491f09
mov edx, dword [esi]
mov eax, dword [esi + 4]
mov dword [esp + 8], edx
mov dword [esp + 0xc], eax
push 0
lea ecx, [esp + 0xc]
push 0
push ecx
call fcn.004921e1
add esp, 0xc
cmp ebx, 1
jbe 0x491f4e
mov ecx, dword [esp + 0x10]
xor eax, eax
test ecx, ecx
jbe 0x491f35
mov dl, byte [esi + eax - 8]
mov byte [esi + eax], dl
inc eax
cmp eax, ecx
jb 0x491f29
mov eax, dword [esp + 8]
mov ecx, dword [esp + 0xc]
mov dword [esi - 8], eax
mov dword [esi - 4], ecx
pop esi
xor eax, eax
pop ebx
add esp, 0x88
ret
mov edx, dword [esp + 8]
mov eax, dword [esp + 0xc]
mov dword [esi], edx
mov dword [esi + 4], eax
pop esi
xor eax, eax
pop ebx
add esp, 0x88
ret
Function at 0x491f66
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x90
mov eax, dword [esp + 0x98]
push ebx
mov ebx, dword [esp + 0x98]
push ebp
lea ebp, [eax + 7]
push esi
shr ebp, 3
and eax, 7
push edi
mov dword [esp + 0x28], ebp
mov dword [esp + 0x20], eax
jne 0x491f99
mov dword [esp + 0x20], 8
xor edx, edx
cmp ebp, 1
mov dword [esp + 0x14], edx
mov dword [esp + 0x10], edx
mov dword [esp + 0x18], edx
mov dword [esp + 0x1c], edx
jbe 0x492082
lea eax, [ebp - 2]
xor esi, esi
cmp eax, edx
mov dword [esp + 0x24], esi
jbe 0x492082
jmp 0x491fc9
xor edx, edx
mov eax, dword [ebx]
mov ecx, dword [ebx + 4]
cmp esi, edx
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], ecx
jne 0x492039
push edx
lea edx, [esp + 0x34]
push edx
push ebx
call fcn.004921e1
mov esi, dword [esp + 0x3c]
add esp, 0xc
mov dword [esp + 0x38], esi
lea eax, [esp + 0x38]
mov edi, 0x19
mov ecx, dword [eax]
mov edx, dword [esp + 0x34]
add ecx, edx
mov ebp, esi
mov dword [eax + 4], ecx
mov edx, dword [eax]
and edx, 0x1f
mov ecx, 0x20
sub ecx, edx
add eax, 4
shl ebp, cl
mov ecx, edx
mov edx, ebp
mov ebp, esi
shr ebp, cl
or edx, ebp
mov ebp, dword [esp + 0x3c]
xor ebp, edx
dec edi
mov dword [esp + 0x3c], ebp
jne 0x491ffa
mov ebp, dword [esp + 0x28]
mov esi, dword [esp + 0x24]
jmp 0x492047
lea eax, [esp + 0x38]
push eax
push ebx
call fcn.00491d25
add esp, 8
mov ecx, dword [esp + 0x10]
mov edx, dword [ebx]
mov eax, dword [ebx + 4]
xor edx, ecx
mov dword [ebx], edx
mov edx, dword [esp + 0x14]
mov ecx, dword [esp + 0x1c]
xor eax, edx
mov dword [ebx + 4], eax
mov eax, dword [esp + 0x18]
mov dword [esp + 0x10], eax
add ebx, 8
inc esi
lea eax, [ebp - 2]
cmp esi, eax
mov dword [esp + 0x14], ecx
mov dword [esp + 0x24], esi
jb 0x491fc7
xor edx, edx
mov ecx, dword [esp + 0x20]
mov dword [esp + 0x10], edx
cmp ecx, edx
mov dword [esp + 0x14], edx
jbe 0x4920a7
mov eax, ecx
lea esi, [ebx + 8]
lea edi, [esp + 0x10]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
cmp ebp, 1
jne 0x4920bc
push edx
push edx
push ebx
call fcn.004921e1
add esp, 0xc
jmp 0x492144
cmp ebp, 2
jne 0x4920ce
push edx
push edx
push ebx
call fcn.004921e1
add esp, 0xc
jmp 0x4920e1
lea ecx, [esp + 0x38]
push ecx
push ebx
call fcn.00491d25
add esp, 8
cmp ebp, 1
jbe 0x492144
mov edx, dword [ebx]
mov esi, dword [esp + 0x10]
mov eax, dword [ebx + 4]
mov edi, dword [esp + 0x20]
xor esi, edx
mov edx, dword [esp + 0x14]
xor edx, eax
xor eax, eax
test edi, edi
mov dword [esp + 0x10], esi
mov dword [esp + 0x14], edx
jbe 0x492122
mov ecx, ebx
lea edx, [esp + 0x10]
sub ecx, edx
mov dl, byte [eax + ebx + 8]
lea esi, [esp + eax + 0x10]
inc eax
mov byte [esi + ecx], dl
mov dl, byte [esi]
mov byte [eax + ebx + 7], dl
cmp eax, edi
jb 0x49210c
cmp ebp, 2
jne 0x492136
push 0
push 0
push ebx
call fcn.004921e1
add esp, 0xc
jmp 0x492144
lea eax, [esp + 0x38]
push eax
push ebx
call fcn.00491d25
add esp, 8
mov ecx, dword [esp + 0x18]
mov edx, dword [ebx]
mov eax, dword [ebx + 4]
xor edx, ecx
mov dword [ebx], edx
mov edx, dword [esp + 0x1c]
xor eax, edx
pop edi
pop esi
mov dword [ebx + 4], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x90
ret