joyce8/EMBER2024-capa huggingface dataset:
Function at 0x501ea0
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
push ebx
mov ebx, dword [esp + 0x10]
push ebx
push eax
push ecx
call fcn.00501960
add esp, 0xc
test eax, eax
js 0x5020e8
mov edx, dword [ebx + 0xf0]
add edx, edx
push esi
add edx, edx
xor esi, esi
push edi
test edx, edx
jle 0x501f1d
lea ecx, [ebx + edx*4 + 8]
lea eax, [ebx + 8]
push ebp
lea ebx, [ebx]
mov ebp, dword [ecx - 8]
mov edi, dword [eax - 8]
mov dword [eax - 8], ebp
mov ebp, dword [ecx - 4]
mov dword [ecx - 8], edi
mov edi, dword [eax - 4]
mov dword [eax - 4], ebp
mov ebp, dword [ecx]
mov dword [ecx - 4], edi
mov edi, dword [eax]
mov dword [eax], ebp
mov ebp, dword [ecx + 4]
mov dword [ecx], edi
mov edi, dword [eax + 4]
mov dword [eax + 4], ebp
mov dword [ecx + 4], edi
add esi, 4
sub edx, 4
add eax, 0x10
sub ecx, 0x10
cmp esi, edx
jl 0x501ee0
pop ebp
mov edx, 1
cmp dword [ebx + 0xf0], edx
jle 0x5020e4
lea eax, [ebx + 2]
mov ecx, dword [eax + 0xe]
movzx edi, byte [eax + 0xf]
mov edi, dword [edi*4 + 0x5f56d0]
add eax, 0x10
mov esi, ecx
shr esi, 0x18
mov esi, dword [esi*4 + 0x5f56d0]
and esi, 0xff
mov esi, dword [esi*4 + 0x5f62d0]
and edi, 0xff
xor esi, dword [edi*4 + 0x5f6ad0]
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x5f56d0]
and ecx, 0xff
xor esi, dword [ecx*4 + 0x5f6ed0]
movzx ecx, byte [eax]
mov ecx, dword [ecx*4 + 0x5f56d0]
movzx edi, byte [eax + 3]
and ecx, 0xff
xor esi, dword [ecx*4 + 0x5f66d0]
mov ecx, dword [eax + 2]
mov dword [eax - 2], esi
mov edi, dword [edi*4 + 0x5f56d0]
mov esi, ecx
shr esi, 0x18
mov esi, dword [esi*4 + 0x5f56d0]
and esi, 0xff
mov esi, dword [esi*4 + 0x5f62d0]
and edi, 0xff
xor esi, dword [edi*4 + 0x5f6ad0]
movzx edi, byte [eax + 4]
mov edi, dword [edi*4 + 0x5f56d0]
and edi, 0xff
xor esi, dword [edi*4 + 0x5f66d0]
movzx edi, byte [eax + 7]
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x5f56d0]
and ecx, 0xff
xor esi, dword [ecx*4 + 0x5f6ed0]
mov ecx, dword [eax + 6]
mov dword [eax + 2], esi
mov edi, dword [edi*4 + 0x5f56d0]
mov esi, ecx
shr esi, 0x18
mov esi, dword [esi*4 + 0x5f56d0]
and esi, 0xff
mov esi, dword [esi*4 + 0x5f62d0]
and edi, 0xff
xor esi, dword [edi*4 + 0x5f6ad0]
movzx edi, byte [eax + 8]
mov edi, dword [edi*4 + 0x5f56d0]
and edi, 0xff
xor esi, dword [edi*4 + 0x5f66d0]
movzx edi, byte [eax + 0xb]
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x5f56d0]
and ecx, 0xff
xor esi, dword [ecx*4 + 0x5f6ed0]
mov ecx, dword [eax + 0xa]
mov dword [eax + 6], esi
mov edi, dword [edi*4 + 0x5f56d0]
mov esi, ecx
shr esi, 0x18
mov esi, dword [esi*4 + 0x5f56d0]
and esi, 0xff
mov esi, dword [esi*4 + 0x5f62d0]
and edi, 0xff
xor esi, dword [edi*4 + 0x5f6ad0]
movzx edi, byte [eax + 0xc]
mov edi, dword [edi*4 + 0x5f56d0]
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x5f56d0]
and edi, 0xff
xor esi, dword [edi*4 + 0x5f66d0]
and ecx, 0xff
xor esi, dword [ecx*4 + 0x5f6ed0]
inc edx
mov dword [eax + 0xa], esi
cmp edx, dword [ebx + 0xf0]
jl 0x501f31
pop edi
xor eax, eax
pop esi
pop ebx
ret
Function at 0x503700
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005b2630
push ebx
push ebp
mov ebp, dword [esp + 0x10]
mov ebx, dword [ebp + 0x14]
push esi
mov esi, dword [esp + 0x18]
cmp esi, ebx
jbe 0x5037a7
mov eax, dword [ebp + 0x18]
cmp esi, eax
jb 0x503759
mov edx, dword [ebp + 0x40]
mov ecx, esi
sub ecx, eax
add ecx, 4
and ecx, 0xfffffffc
add eax, ecx
push 0x71
mov dword [ebp + 0x18], eax
push str.cryptomodesocb128.c
shl eax, 4
push eax
push edx
call fcn.0048fc70
add esp, 0x10
test eax, eax
jne 0x503756
pop esi
pop ebp
pop ebx
pop ecx
ret
mov dword [ebp + 0x40], eax
cmp ebx, esi
jae 0x5037a4
push edi
mov edi, ebx
sub esi, ebx
shl edi, 4
add ebx, esi
mov dword [esp + 0x18], esi
mov dword [esp + 0x10], ebx
nop
mov eax, dword [ebp + 0x40]
mov bl, byte [edi + eax]
lea edx, [edi + eax]
lea esi, [edx + 0x10]
shr bl, 7
push esi
neg bl
push 1
and bl, 0x87
call fcn.005035f0
xor byte [esi + 0xf], bl
add esp, 8
add edi, 0x10
dec dword [esp + 0x18]
jne 0x503770
mov ebx, dword [esp + 0x10]
mov esi, dword [esp + 0x1c]
pop edi
mov dword [ebp + 0x14], ebx
mov eax, esi
shl eax, 4
add eax, dword [ebp + 0x40]
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x504f70
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.005b2630
mov eax, dword [0x644a10]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov ecx, dword [esp + 0x3c]
push ebx
mov dword [esp + 4], eax
mov eax, dword [esp + 0x48]
push ebp
mov dword [esp + 0xc], eax
push esi
mov esi, dword [eax]
push edi
mov edi, dword [esp + 0x50]
movzx edx, byte [edi + 1]
movzx ebx, byte [edi + 5]
lea eax, [edi + 1]
mov dword [esp + 0x28], ecx
movzx ecx, byte [edi]
shl edx, 8
or ecx, edx
movzx edx, byte [eax + 1]
shl edx, 0x10
or ecx, edx
movzx edx, byte [eax + 2]
mov ebp, dword [esp + 0x48]
shl edx, 0x18
or ecx, edx
movzx edx, byte [eax + 3]
shl ebx, 8
or edx, ebx
movzx ebx, byte [eax + 6]
mov dword [esp + 0x2c], eax
movzx eax, byte [eax + 5]
shl ebx, 8
or ebx, eax
mov eax, ecx
shr eax, 8
shl ebx, 0x10
or edx, ebx
mov byte [esp + 0x31], al
mov eax, ecx
mov ebx, ecx
mov byte [esp + 0x30], cl
shr eax, 0x10
shr ecx, 0x18
mov byte [esp + 0x32], al
mov byte [esp + 0x33], cl
mov ecx, edx
mov eax, edx
mov dword [esp + 0x24], edx
mov byte [esp + 0x34], dl
shr ecx, 8
shr eax, 0x10
shr edx, 0x18
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], 0
mov dword [esp + 0x20], ebx
mov byte [esp + 0x35], cl
mov byte [esp + 0x36], al
mov byte [esp + 0x37], dl
test ebp, ebp
je 0x505142
mov eax, dword [esp + 0x10]
mov ebp, dword [esp + 0x40]
sub eax, ebp
mov dword [esp + 0x10], eax
dec dword [esp + 0x18]
test esi, esi
jne 0x5050bb
mov ecx, dword [esp + 0x28]
push ecx
lea edx, [esp + 0x24]
push edx
call fcn.00504560
mov ebx, dword [esp + 0x28]
mov eax, ebx
shr eax, 8
mov byte [esp + 0x39], al
mov eax, dword [esp + 0x2c]
mov ecx, ebx
shr ecx, 0x10
mov edx, ebx
shr edx, 0x18
mov byte [esp + 0x3a], cl
mov byte [esp + 0x3b], dl
mov ecx, eax
mov edx, eax
mov byte [esp + 0x3c], al
shr eax, 0x18
shr ecx, 8
shr edx, 0x10
add esp, 8
inc dword [esp + 0x1c]
mov byte [esp + 0x37], al
mov eax, dword [esp + 0x10]
mov byte [esp + 0x30], bl
mov byte [esp + 0x35], cl
mov byte [esp + 0x36], dl
mov cl, byte [esp + esi + 0x30]
xor cl, byte [ebp]
inc esi
mov byte [eax + ebp], cl
inc ebp
and esi, 7
cmp dword [esp + 0x18], 0
jne 0x505055
cmp dword [esp + 0x1c], 0
je 0x505129
mov eax, dword [esp + 0x2c]
mov byte [edi], bl
mov edx, ebx
shr edx, 8
mov byte [eax], dl
mov ecx, ebx
shr ecx, 0x10
mov byte [eax + 1], cl
mov ecx, dword [esp + 0x24]
shr ebx, 0x18
mov byte [eax + 2], bl
mov byte [eax + 3], cl
mov edx, ecx
shr edx, 8
mov byte [eax + 4], dl
mov edx, ecx
shr edx, 0x10
mov byte [eax + 5], dl
shr ecx, 0x18
mov byte [eax + 6], cl
mov eax, dword [esp + 0x14]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005b2129
add esp, 0x2c
ret
mov ecx, dword [esp + 0x14]
pop edi
mov dword [ecx], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005b2129
add esp, 0x2c
ret
mov edx, dword [esp + 0x14]
mov ecx, dword [esp + 0x38]
pop edi
mov dword [edx], esi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005b2129
add esp, 0x2c
ret
Function at 0x505160
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov eax, dword [esp + 8]
push ebx
push esi
push edi
mov edi, dword [esp + 0x10]
mov byte [edi], 0
cmp eax, 0x80
jle 0x50517a
mov eax, 0x80
mov ecx, dword [esp + 0x1c]
test ecx, ecx
jle 0x50518a
cmp ecx, 0x400
jle 0x50518f
mov ecx, 0x400
test eax, eax
jle 0x5051aa
mov esi, dword [esp + 0x18]
push ebp
mov edx, edi
sub esi, edi
mov ebp, eax
mov edi, edi
mov bl, byte [esi + edx]
mov byte [edx], bl
inc edx
dec ebp
jne 0x5051a0
pop ebp
movzx edx, byte [edi + eax - 1]
cmp eax, 0x80
jge 0x5051de
mov esi, edi
sub esi, eax
lea ebx, [ebx]
movzx ebx, byte [esi + eax]
add ebx, edx
and ebx, 0xff
movzx edx, byte [ebx + 0x5f7420]
mov byte [eax + edi], dl
inc eax
cmp eax, 0x80
jl 0x5051c0
lea edx, [ecx + 7]
neg ecx
sar edx, 3
mov eax, 0x80
and ecx, 7
sub eax, edx
lea esi, [eax + edi]
mov ebx, 0xff
sar ebx, cl
movzx ecx, byte [esi]
and ebx, ecx
movzx ecx, byte [ebx + 0x5f7420]
mov byte [esi], cl
test eax, eax
je 0x505224
lea esp, [esp]
movzx ebx, byte [esi + edx - 1]
dec esi
xor ebx, ecx
dec eax
movzx ecx, byte [ebx + 0x5f7420]
mov byte [esi], cl
jne 0x505210
lea ecx, [edi + 0xfc]
lea eax, [edi + 0x7e]
mov edx, 0x40
movzx esi, byte [eax + 1]
movzx edi, byte [eax]
shl esi, 8
or esi, edi
and esi, 0xffff
mov dword [ecx], esi
sub ecx, 4
sub eax, 2
dec edx
jne 0x505232
pop edi
pop esi
pop ebx
ret
Function at 0x506670
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.005b2630
mov eax, dword [0x644a10]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov ecx, dword [esp + 0x3c]
mov edx, dword [esp + 0x38]
push ebx
mov dword [esp + 0x18], eax
push ebp
mov dword [esp + 0xc], edx
push esi
push edi
mov edi, dword [esp + 0x50]
movzx edx, byte [edi + 1]
movzx ebx, byte [edi + 5]
lea eax, [edi + 1]
mov dword [esp + 0x28], ecx
movzx ecx, byte [edi]
shl edx, 0x10
shl ecx, 0x18
or ecx, edx
movzx edx, byte [eax + 1]
shl edx, 8
or ecx, edx
movzx edx, byte [eax + 2]
or ecx, edx
movzx edx, byte [eax + 3]
mov dword [esp + 0x2c], eax
shl ebx, 0x10
shl edx, 0x18
or edx, ebx
movzx ebx, byte [eax + 5]
movzx eax, byte [eax + 6]
mov ebp, dword [esp + 0x54]
shl ebx, 8
or ebx, eax
mov esi, dword [ebp]
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, ecx
shr eax, 0x10
mov byte [esp + 0x31], al
or edx, ebx
mov eax, ecx
shr eax, 8
mov byte [esp + 0x32], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x34], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x35], al
mov eax, edx
shr eax, 8
cmp dword [esp + 0x48], 0
mov dword [esp + 0x18], ebp
mov dword [esp + 0x10], 0
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x20], edx
mov byte [esp + 0x33], cl
mov byte [esp + 0x36], al
mov byte [esp + 0x37], dl
je 0x506842
mov ebx, dword [esp + 0x24]
mov ebp, dword [esp + 0x40]
sub ebx, ebp
dec dword [esp + 0x14]
test esi, esi
jne 0x5067bb
mov ecx, dword [esp + 0x28]
push ecx
lea edx, [esp + 0x20]
push edx
call fcn.005059a0
mov ecx, dword [esp + 0x24]
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0x38], al
mov edx, ecx
shr edx, 0x10
mov eax, ecx
shr eax, 8
mov byte [esp + 0x3a], al
mov byte [esp + 0x39], dl
mov edx, dword [esp + 0x28]
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x3c], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x3d], al
mov eax, edx
shr eax, 8
add esp, 8
inc dword [esp + 0x10]
mov byte [esp + 0x33], cl
mov byte [esp + 0x36], al
mov byte [esp + 0x37], dl
mov al, byte [esp + esi + 0x30]
xor al, byte [ebp]
inc esi
mov byte [ebx + ebp], al
inc ebp
and esi, 7
cmp dword [esp + 0x14], 0
jne 0x506757
cmp dword [esp + 0x10], 0
je 0x506829
mov eax, ecx
mov ebx, ecx
shr eax, 0x18
mov byte [edi], al
mov eax, dword [esp + 0x2c]
shr ebx, 0x10
mov byte [eax], bl
mov ebx, ecx
shr ebx, 8
mov byte [eax + 1], bl
mov byte [eax + 2], cl
mov ecx, edx
shr ecx, 0x18
mov byte [eax + 3], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 4], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 5], cl
mov byte [eax + 6], dl
mov edx, dword [esp + 0x18]
pop edi
mov dword [edx], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005b2129
add esp, 0x2c
ret
mov eax, dword [esp + 0x18]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005b2129
add esp, 0x2c
ret
mov ecx, dword [esp + 0x38]
pop edi
mov dword [ebp], esi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005b2129
add esp, 0x2c
ret
Function at 0x506a60
Capabilities:
Enumerate pe sections

Disassembly:
push ebx
push ebp
push esi
push edi
mov eax, dword [esp + 0x14]
movzx ecx, byte [eax]
mov edx, dword [esp + 0x18]
shl ecx, 8
mov dword [edx], ecx
movzx ecx, byte [eax + 1]
or dword [edx], ecx
movzx ecx, byte [eax + 2]
shl ecx, 8
mov dword [edx + 4], ecx
movzx ecx, byte [eax + 3]
or dword [edx + 4], ecx
movzx esi, byte [eax + 4]
shl esi, 8
mov dword [edx + 8], esi
movzx esi, byte [eax + 5]
or dword [edx + 8], esi
movzx esi, byte [eax + 6]
lea ecx, [edx + 8]
shl esi, 8
mov dword [edx + 0xc], esi
movzx esi, byte [eax + 7]
or dword [edx + 0xc], esi
movzx esi, byte [eax + 8]
shl esi, 8
mov dword [edx + 0x10], esi
movzx esi, byte [eax + 9]
or dword [edx + 0x10], esi
movzx esi, byte [eax + 0xa]
shl esi, 8
mov dword [edx + 0x14], esi
movzx esi, byte [eax + 0xb]
or dword [edx + 0x14], esi
movzx esi, byte [eax + 0xc]
shl esi, 8
mov dword [edx + 0x18], esi
movzx esi, byte [eax + 0xd]
or dword [edx + 0x18], esi
movzx esi, byte [eax + 0xe]
shl esi, 8
mov dword [edx + 0x1c], esi
movzx eax, byte [eax + 0xf]
or eax, esi
mov dword [edx + 0x1c], eax
lea eax, [edx + 0x20]
xor ebx, ebx
jmp 0x506b00
mov esi, dword [ecx]
mov edi, dword [ecx - 4]
mov edx, esi
shr edx, 7
mov ebp, edi
shl ebp, 9
or edx, ebp
and edx, 0xffff
mov dword [eax], edx
mov edx, dword [ecx + 4]
mov ebp, edx
shr ebp, 7
shl esi, 9
or ebp, esi
and ebp, 0xffff
mov dword [eax + 4], ebp
mov esi, dword [ecx + 8]
shl edx, 9
mov ebp, esi
shr ebp, 7
or edx, ebp
and edx, 0xffff
mov dword [eax + 8], edx
mov edx, dword [ecx + 0xc]
mov ebp, edx
shr ebp, 7
shl esi, 9
or ebp, esi
and ebp, 0xffff
mov dword [eax + 0xc], ebp
mov esi, dword [ecx + 0x10]
mov ebp, esi
shr ebp, 7
shl edx, 9
or edx, ebp
and edx, 0xffff
mov dword [eax + 0x10], edx
mov edx, dword [ecx + 0x14]
mov ebp, edx
shr ebp, 7
shl esi, 9
or ebp, esi
and ebp, 0xffff
mov dword [eax + 0x14], ebp
mov esi, dword [ecx - 8]
cmp ebx, 5
jge 0x506bc3
mov ebp, esi
shl edx, 9
shr ebp, 7
shl esi, 9
shr edi, 7
or edx, ebp
or esi, edi
and edx, 0xffff
and esi, 0xffff
mov dword [eax + 0x18], edx
mov dword [eax + 0x1c], esi
inc ebx
add eax, 0x20
add ecx, 0x20
cmp ebx, 6
jl 0x506b00
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x506d30
Capabilities:
Enumerate pe sections

Disassembly:
mov eax, 8
call fcn.005b2630
mov eax, dword [esp + 0xc]
movzx edx, byte [eax + 1]
movzx ecx, byte [eax]
shl edx, 8
or ecx, edx
movzx edx, byte [eax + 2]
shl edx, 0x10
or ecx, edx
movzx edx, byte [eax + 3]
shl edx, 0x18
or ecx, edx
movzx edx, byte [eax + 4]
mov dword [esp], ecx
movzx ecx, byte [eax + 7]
push esi
movzx esi, byte [eax + 5]
movzx eax, byte [eax + 6]
shl ecx, 8
shl esi, 8
or ecx, eax
or edx, esi
shl ecx, 0x10
or ecx, edx
cmp dword [esp + 0x24], 0
mov dword [esp + 8], ecx
pop esi
je 0x506da6
mov ecx, dword [esp + 0x1c]
mov edx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
push ecx
push edx
push eax
lea ecx, [esp + 0xc]
push ecx
call fcn.00508fb0
jmp 0x506dbf
mov edx, dword [esp + 0x1c]
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x14]
push edx
push eax
push ecx
lea edx, [esp + 0xc]
push edx
call fcn.005090d0
mov eax, dword [esp + 0x20]
mov ecx, dword [esp + 0x10]
mov byte [eax], cl
mov edx, ecx
shr edx, 8
mov byte [eax + 1], dl
mov edx, ecx
shr edx, 0x10
mov byte [eax + 2], dl
shr ecx, 0x18
mov byte [eax + 3], cl
mov ecx, dword [esp + 0x14]
mov edx, ecx
shr edx, 8
mov byte [eax + 4], cl
mov byte [eax + 5], dl
mov edx, ecx
shr edx, 0x10
add esp, 0x10
shr ecx, 0x18
mov byte [eax + 6], dl
mov byte [eax + 7], cl
add esp, 8
ret
Function at 0x50ad90
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.005b2630
mov eax, dword [0x644a10]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov ecx, dword [esp + 0x3c]
push ebx
mov dword [esp + 4], eax
mov eax, dword [esp + 0x48]
push ebp
mov dword [esp + 0xc], eax
push esi
mov esi, dword [eax]
push edi
mov edi, dword [esp + 0x50]
movzx edx, byte [edi + 1]
movzx ebx, byte [edi + 5]
lea eax, [edi + 1]
mov dword [esp + 0x28], ecx
movzx ecx, byte [edi]
shl edx, 8
or ecx, edx
movzx edx, byte [eax + 1]
shl edx, 0x10
or ecx, edx
movzx edx, byte [eax + 2]
mov ebp, dword [esp + 0x48]
shl edx, 0x18
or ecx, edx
movzx edx, byte [eax + 3]
shl ebx, 8
or edx, ebx
movzx ebx, byte [eax + 6]
mov dword [esp + 0x2c], eax
movzx eax, byte [eax + 5]
shl ebx, 8
or ebx, eax
mov eax, ecx
shr eax, 8
shl ebx, 0x10
or edx, ebx
mov byte [esp + 0x31], al
mov eax, ecx
mov ebx, ecx
mov byte [esp + 0x30], cl
shr eax, 0x10
shr ecx, 0x18
mov byte [esp + 0x32], al
mov byte [esp + 0x33], cl
mov ecx, edx
mov eax, edx
mov dword [esp + 0x24], edx
mov byte [esp + 0x34], dl
shr ecx, 8
shr eax, 0x10
shr edx, 0x18
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], 0
mov dword [esp + 0x20], ebx
mov byte [esp + 0x35], cl
mov byte [esp + 0x36], al
mov byte [esp + 0x37], dl
test ebp, ebp
je 0x50af64
mov eax, dword [esp + 0x10]
mov ebp, dword [esp + 0x40]
sub eax, ebp
mov dword [esp + 0x10], eax
dec dword [esp + 0x18]
test esi, esi
jne 0x50aedd
mov ecx, dword [esp + 0x28]
push 1
push ecx
lea edx, [esp + 0x28]
push edx
call fcn.00507020
mov ebx, dword [esp + 0x2c]
mov eax, ebx
shr eax, 8
mov byte [esp + 0x3d], al
mov eax, dword [esp + 0x30]
mov ecx, ebx
shr ecx, 0x10
mov edx, ebx
shr edx, 0x18
mov byte [esp + 0x3e], cl
mov byte [esp + 0x3f], dl
mov ecx, eax
mov edx, eax
mov byte [esp + 0x40], al
shr eax, 0x18
shr ecx, 8
shr edx, 0x10
add esp, 0xc
inc dword [esp + 0x1c]
mov byte [esp + 0x37], al
mov eax, dword [esp + 0x10]
mov byte [esp + 0x30], bl
mov byte [esp + 0x35], cl
mov byte [esp + 0x36], dl
mov cl, byte [esp + esi + 0x30]
xor cl, byte [ebp]
inc esi
mov byte [eax + ebp], cl
inc ebp
and esi, 7
cmp dword [esp + 0x18], 0
jne 0x50ae75
cmp dword [esp + 0x1c], 0
je 0x50af4b
mov eax, dword [esp + 0x2c]
mov byte [edi], bl
mov edx, ebx
shr edx, 8
mov byte [eax], dl
mov ecx, ebx
shr ecx, 0x10
mov byte [eax + 1], cl
mov ecx, dword [esp + 0x24]
shr ebx, 0x18
mov byte [eax + 2], bl
mov byte [eax + 3], cl
mov edx, ecx
shr edx, 8
mov byte [eax + 4], dl
mov edx, ecx
shr edx, 0x10
mov byte [eax + 5], dl
shr ecx, 0x18
mov byte [eax + 6], cl
mov eax, dword [esp + 0x14]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005b2129
add esp, 0x2c
ret
mov ecx, dword [esp + 0x14]
pop edi
mov dword [ecx], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005b2129
add esp, 0x2c
ret
mov edx, dword [esp + 0x14]
mov ecx, dword [esp + 0x38]
pop edi
mov dword [edx], esi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005b2129
add esp, 0x2c
ret
Function at 0x512480
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, dword [esp + 8]
push esi
mov esi, edx
test ebp, ebp
je 0x5124d7
test esi, esi
je 0x5124d7
push edi
mov edi, dword [ecx + 0xc]
cmp esi, edi
jae 0x51249a
mov edi, esi
xor eax, eax
test edi, edi
je 0x5124ac
mov dl, byte [eax + ebp]
xor byte [ecx + eax + 0x10], dl
inc eax
cmp eax, edi
jb 0x5124a0
mov eax, dword [ecx + 0xc]
pop edi
cmp esi, eax
jbe 0x5124d7
sub esi, eax
cmp esi, 0x10
jbe 0x5124c0
mov esi, 0x10
xor eax, eax
test esi, esi
je 0x5124d7
mov edx, dword [ecx + 0xc]
add edx, eax
mov dl, byte [edx + ebp]
xor byte [ecx + eax + 0x30], dl
inc eax
cmp eax, esi
jb 0x5124c6
pop esi
pop ebp
ret

Function at 0x5124e0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005b2630
push ebp
mov ebp, dword [esp + 0x10]
push esi
mov esi, ecx
push edi
lea ecx, [esi + 2]
mov dword [esp + 0xc], 0x10
mov eax, ebp
sub esi, ebp
mov edi, 4
jmp 0x512510
movzx edx, byte [esi + eax]
xor byte [eax], dl
movzx edx, byte [ecx - 1]
xor byte [eax + 1], dl
movzx edx, byte [ecx]
xor byte [eax + 2], dl
movzx edx, byte [ecx + 1]
xor byte [eax + 3], dl
add eax, 4
add ecx, 4
dec edi
jne 0x512510
mov ecx, dword [esp + 0x14]
mov edx, dword [ecx + 4]
push 0x10
push ebp
lea eax, [esp + 0x14]
push eax
push ebp
push edx
call fcn.004b7db0
add esp, 0x14
pop edi
pop esi
pop ebp
test eax, eax
je 0x512560
cmp dword [esp], 0x10
jne 0x512560
mov eax, 1
pop ecx
ret
xor eax, eax
pop ecx
ret
Function at 0x515d30
Capabilities:
Generate random numbers via winapi

Disassembly:
mov eax, 4
call fcn.005b2630
push ebx
push ebp
push esi
mov esi, dword [esp + 0x14]
push edi
push 1
push esi
xor edi, edi
call fcn.004a4f50
mov ebx, eax
push ebx
push esi
call fcn.004a50c0
mov ebp, eax
add esp, 0x10
test ebp, ebp
je 0x515dbc
push 0xf0000040
push 1
push edi
push edi
lea eax, [esp + 0x20]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x515d96
mov ecx, dword [esp + 0x10]
push ebp
push ebx
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x515d89
mov edi, ebx
mov edx, dword [esp + 0x10]
push 0
push edx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
lea eax, [edi*8]
push eax
push edi
push esi
call fcn.004a5130
push esi
call fcn.004a4df0
mov edi, eax
add esp, 0x10
test edi, edi
je 0x515dbc
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
push 1
push esi
call fcn.004a4f50
mov ebx, eax
push ebx
push esi
call fcn.004a50c0
mov ebp, eax
add esp, 0x10
test ebp, ebp
je 0x515e2e
push 0xf0000040
push 0x16
push str.Intel_Hardware_Cryptographic_Service_Provider
xor edi, edi
push edi
lea ecx, [esp + 0x20]
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x515e14
mov edx, dword [esp + 0x10]
push ebp
push ebx
push edx
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x515e07
mov edi, ebx
mov eax, dword [esp + 0x10]
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
lea ecx, [edi*8]
push ecx
push edi
push esi
call fcn.004a5130
push esi
call fcn.004a4df0
add esp, 0x10
mov edi, eax
test edi, edi
jne 0x515db4
push esi
call fcn.004a4df0
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x519420
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005b2630
mov edx, dword [esp + 8]
mov eax, dword [edx + 4]
mov ecx, dword [eax + 0x64]
push ebx
push esi
push edi
mov edi, dword [esp + 0x20]
inc edi
test byte [ecx + 0x30], 1
je 0x51946b
mov esi, dword [esp + 0x18]
mov ecx, dword [esp + 0x1c]
mov eax, dword [esi + 8]
lea ebx, [edi + ecx]
cmp ebx, eax
jbe 0x51945b
pop edi
pop esi
xor eax, eax
pop ebx
pop ecx
ret
add dword [esi + 0x14], ecx
add dword [esi + 0x18], ecx
sub eax, ecx
sub dword [esi + 0xc], ecx
mov dword [esi + 8], eax
jmp 0x519476
mov eax, dword [esp + 0x18]
cmp edi, dword [eax + 8]
ja 0x519454
mov esi, eax
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
movzx ebx, byte [ecx + eax - 1]
mov ecx, dword [edx + 0x3cc]
push ecx
call fcn.004aaa60
push eax
call fcn.004c5410
add esp, 8
test eax, 0x200000
je 0x5194af
or edx, 0xffffffff
sub edx, ebx
add dword [esi + 8], edx
pop edi
pop esi
mov eax, 1
pop ebx
pop ecx
ret
push ebp
mov ebp, dword [esi + 8]
lea eax, [ebx + edi]
mov esi, ebp
sub esi, eax
xor esi, eax
mov ecx, ebp
xor ecx, eax
or esi, ecx
xor esi, ebp
shr esi, 0x1f
mov eax, 0x100
dec esi
mov dword [esp + 0x18], eax
cmp ebp, eax
jae 0x5194db
mov eax, ebp
mov dword [esp + 0x18], ebp
xor edi, edi
test eax, eax
je 0x519537
mov edx, dword [esp + 0x1c]
mov eax, dword [edx + 0x14]
mov ecx, ebx
shr ecx, 0x1f
lea edx, [eax + ebp - 1]
mov dword [esp + 0x10], ecx
mov dword [esp + 0x24], edx
lea esp, [esp]
mov edx, ebx
sub edx, edi
shr edx, 0x1f
mov eax, edi
shr eax, 0x1f
xor dl, al
xor cl, al
or dl, cl
mov ecx, dword [esp + 0x10]
xor dl, cl
dec dl
movzx eax, dl
mov edx, dword [esp + 0x24]
movzx edx, byte [edx]
dec dword [esp + 0x24]
xor edx, ebx
and eax, edx
not eax
inc edi
and esi, eax
cmp edi, dword [esp + 0x18]
jb 0x519500
mov ecx, dword [esp + 0x1c]
not esi
and esi, 0xff
lea eax, [esi - 1]
shr eax, 0x1f
not esi
shr esi, 0x1f
and eax, esi
neg eax
inc ebx
and ebx, eax
sub ebp, ebx
mov dword [ecx + 8], ebp
mov dword [esp + 0x24], eax
not eax
mov dword [esp + 0x18], eax
mov eax, dword [esp + 0x24]
mov edx, dword [esp + 0x18]
pop ebp
pop edi
and eax, 1
pop esi
or eax, edx
pop ebx
pop ecx
ret