joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4f3f60
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 0x4f3f7d
add ebp, 3
sar ebp, 2
test ebp, ebp
jle 0x4f408f
mov edx, 4
mov eax, esp
mov ecx, dword [esp + 4]
movzx ecx, byte [ecx + esi]
cmp ecx, 0x3d
jg 0x4f3fb0
je 0x4f3ffc
sub ecx, 0x2b
je 0x4f3ff2
sub ecx, 4
je 0x4f3ff7
dec ecx
sub ecx, 0xa
jb 0x4f3fe1
jmp 0x4f3fff
add ecx, 0xffffffbf
sub ecx, 0x1a
jb 0x4f3fc2
add ecx, 0xfffffffa
sub ecx, 0x1a
jb 0x4f3fd0
jmp 0x4f3fff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x41
mov byte [eax], cl
jmp 0x4f3fff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x61
add cl, 0x1a
mov byte [eax], cl
jmp 0x4f3fff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x30
add cl, 0x34
mov byte [eax], cl
jmp 0x4f3fff
mov byte [eax], 0x3e
jmp 0x4f3fff
mov byte [eax], 0x3f
jmp 0x4f3fff
mov byte [eax], 0xff
inc esi
inc eax
dec edx
jne 0x4f3f8f
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 0x4f404f
cmp byte [esp + 3], 0xff
jne 0x4f404f
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 0x4f4087
cmp dl, 0xff
je 0x4f4087
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 0x4f3f88
add esp, 0xc
pop ebp
pop edi
pop esi
ret

Function at 0x4f411c
Capabilities:
Hash data with crc32

Disassembly:
push ebx
xor ebx, ebx
mov ecx, 0xaa37a0
mov eax, ebx
mov edx, 8
test al, 1
je 0x4f4138
shr eax, 1
xor eax, 0xedb88320
jmp 0x4f413a
shr eax, 1
dec edx
jne 0x4f412b
mov dword [ecx], eax
inc ebx
add ecx, 4
cmp ebx, 0x100
jne 0x4f4124
pop ebx
ret
Function at 0x4f4150
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push eax
mov eax, 0x10
add esp, 0xfffff004
push eax
dec eax
jne 0x4f4159
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.004eba38
xor eax, eax
push ebp
push 0x4f4239
push dword fs:[eax]
mov dword fs:[eax], esp
call fcn.004f411c
mov eax, dword [0xaa2e0c]
mov byte [eax], 0
mov dword [ebx], 0xffffffff
mov edx, dword [ebp - 4]
lea eax, [ebp - 0x154]
call fcn.004e9e7c
mov edx, 1
lea eax, [ebp - 0x154]
call fcn.004ea218
call fcn.004e9ba8
test eax, eax
jne 0x4f4216
lea eax, [ebp - 8]
push eax
lea edx, [ebp - 0x10145]
mov ecx, 0xfff1
lea eax, [ebp - 0x154]
call fcn.004e9fcc
mov dx, word [ebp - 8]
test dx, dx
jbe 0x4f4210
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 + 0xaa37a0]
mov esi, dword [ebx]
shr esi, 8
xor ecx, esi
mov dword [ebx], ecx
inc eax
dec dx
jne 0x4f41ec
cmp dword [ebp - 8], 0
jne 0x4f41c3
lea eax, [ebp - 0x154]
call fcn.004e9fec
not dword [ebx]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4f4240
lea eax, [ebp - 4]
call fcn.004eb588
ret

Function at 0x4ff718
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov esi, ecx
test esi, esi
jbe 0x4ff738
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 0x4ff726
pop edi
pop esi
pop ebx
ret
Function at 0x507fd4
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
push ebp
push ecx
xor ebp, ebp
mov ebx, 0xaa3cb4
mov eax, ebp
shr eax, 1
and eax, 0xff
mov dword [esp], eax
mov esi, ebp
and esi, 1
mov eax, ebp
and eax, 0x200
shr eax, 8
or esi, eax
mov edx, dword [esi*4 + 0xa98670]
mov eax, dword [esi*4 + 0xa986b0]
xor eax, dword [esp]
call fcn.00507f70
mov edi, eax
shl edi, 0x18
mov eax, edi
call fcn.00507fac
mov dword [ebx], eax
mov edx, dword [esi*4 + 0xa98680]
mov eax, dword [esi*4 + 0xa986c0]
xor eax, dword [esp]
call fcn.00507f70
mov edi, eax
shl edi, 0x10
mov eax, edi
call fcn.00507fac
mov dword [ebx + 0x1000], eax
mov edx, dword [esi*4 + 0xa98690]
mov eax, dword [esi*4 + 0xa986d0]
xor eax, dword [esp]
call fcn.00507f70
mov edi, eax
shl edi, 8
mov eax, edi
call fcn.00507fac
mov dword [ebx + 0x2000], eax
mov edx, dword [esi*4 + 0xa986a0]
mov eax, dword [esi*4 + 0xa986e0]
xor eax, dword [esp]
call fcn.00507f70
mov edi, eax
mov eax, edi
call fcn.00507fac
mov dword [ebx + 0x3000], eax
inc ebp
add ebx, 4
cmp ebp, 0x400
jne 0x507fe0
pop edx
pop ebp
pop edi
pop esi
pop ebx
ret

Function at 0x508138
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe4
push ebx
push esi
push edi
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
xor eax, eax
mov dword [ebp - 0x10], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp - 0x10]
mov ecx, dword [eax + edx*4]
mov eax, dword [ebp - 0xc]
add eax, dword [ebp - 0x10]
lea eax, [eax + eax*2]
mov edx, dword [ebp - 4]
lea eax, [edx + eax*4 + 0x4c]
mov dword [ebp - 0x14], eax
xor ebx, ebx
mov eax, dword [ebp - 0x14]
xor edx, edx
mov dword [eax + ebx*4], edx
inc ebx
cmp ebx, 3
jne 0x50816d
xor ebx, ebx
mov eax, ebx
mov esi, 3
xor edx, edx
div esi
mov eax, dword [ebp - 0x14]
lea eax, [eax + edx*4]
mov dword [ebp - 0x18], eax
xor eax, eax
lea edx, [eax + ecx]
and edx, 3
mov esi, dword [ebp - 8]
lea edx, [esi + edx*2]
mov dword [ebp - 0x1c], edx
mov edx, dword [ebp - 0x1c]
mov dx, word [edx]
and dx, 1
movzx edx, dx
mov esi, dword [ebp - 0x18]
mov esi, dword [esi]
add esi, esi
or esi, edx
mov edi, dword [ebp - 0x18]
mov dword [edi], esi
mov esi, dword [ebp - 0x1c]
movzx esi, word [esi]
shr esi, 1
xor dx, 1
shl edx, 0xf
or si, dx
mov edx, dword [ebp - 0x1c]
mov word [edx], si
inc eax
cmp eax, 4
jne 0x508193
inc ebx
cmp ebx, 0xf
jne 0x50817d
inc dword [ebp - 0x10]
cmp dword [ebp - 0x10], 8
jne 0x50814f
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x511ee0
Capabilities:
Encrypt data using twofish

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xffffffe4
mov dword [esp + 0x18], 0x100
mov esi, 0xa9d0f4
mov ebx, 0xaa7ce4
movzx edi, byte [esi]
mov dword [esp], edi
mov eax, edi
call fcn.00510e30
mov dword [esp + 8], eax
mov eax, edi
call fcn.00510e40
mov dword [esp + 0x10], eax
movzx edi, byte [esi + 0x100]
mov dword [esp + 4], edi
mov eax, edi
call fcn.00510e30
mov dword [esp + 0xc], eax
mov eax, edi
call fcn.00510e40
mov ebp, eax
mov dword [esp + 0x14], ebp
mov eax, edi
mov edx, dword [esp + 0xc]
shl edx, 8
or eax, edx
mov edx, ebp
shl edx, 0x10
or eax, edx
mov edx, ebp
shl edx, 0x18
or eax, edx
mov dword [ebx], eax
mov eax, dword [esp + 0x10]
mov edx, eax
mov ecx, eax
shl ecx, 8
or edx, ecx
mov ecx, dword [esp + 8]
shl ecx, 0x10
or edx, ecx
mov ecx, dword [esp]
shl ecx, 0x18
or edx, ecx
mov dword [ebx + 0x400], edx
mov edx, dword [esp + 0xc]
shl ebp, 8
or edx, ebp
shl edi, 0x10
or edx, edi
mov ecx, dword [esp + 0x14]
shl ecx, 0x18
or edx, ecx
mov dword [ebx + 0x800], edx
mov edx, dword [esp + 8]
mov ecx, dword [esp]
shl ecx, 8
or edx, ecx
shl eax, 0x10
or edx, eax
mov eax, dword [esp + 8]
shl eax, 0x18
or edx, eax
mov dword [ebx + 0xc00], edx
add ebx, 4
inc esi
dec dword [esp + 0x18]
jne 0x511ef9
add esp, 0x1c
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x627aa3
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4663b8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x30
push ebp
push edi
mov edi, ecx
xor ebp, ebp
mov ecx, dword [esp + 0x48]
lea eax, [esp + 0x48]
push ebp
push eax
push ecx
lea ecx, [edi + 0x104]
mov dword [esp + 0x14], edi
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], ebp
call fcn.00622a03
test eax, eax
jne 0x627b0f
push ebp
push 0x47edb0
mov ecx, edi
call fcn.00626d23
mov eax, dword [esp + 0xc]
mov edx, dword [esp + 0x10]
pop edi
pop ebp
mov ecx, dword [esp + 0x30]
mov dword fs:[0], ecx
add esp, 0x3c
ret 0x10
mov edx, dword [esp + 0x48]
push ebx
mov ebx, dword [esp + 0x50]
push esi
push ebp
push ebp
push ebx
lea ecx, [edx + 0x14]
call fcn.00622583
lea ecx, [esp + 0x2c]
mov esi, eax
call fcn.00614ca3
push ebx
mov dword [esp + 0x4c], ebp
call fcn.00622bb3
add esp, 4
test eax, eax
je 0x627bb2
add esi, 0x18
push esi
call fcn.00615733
add esi, eax
push esi
call fcn.00615733
mov ecx, dword [esp + 0x60]
add esp, 8
cmp ecx, 3
lea eax, [esi + eax + 8]
ja 0x627eb5
jmp dword [ecx*4 + 0x4142b0]
mov eax, dword [esi]
push ebp
push eax
mov ecx, edi
call fcn.00626e63
mov ebx, dword [esp + 0x58]
mov ebp, eax
lea edi, [esi + 0x18]
mov edx, dword [ebp + 0x28]
lea ecx, [ebx + ebx*4]
mov esi, edi
lea eax, [edx + ecx*4]
push esi
mov dword [esp + 0x5c], eax
call fcn.00615733
add esi, eax
push esi
call fcn.00615733
add esi, eax
add esp, 8
mov esi, dword [esi]
test esi, esi
je 0x627c03
mov ecx, dword [esi + 0x1c]
push ecx
call dword [int.004693c8]
test eax, eax
je 0x627c03
mov eax, 1
jmp 0x627c05
xor eax, eax
cmp ebx, 8
jge 0x627e6a
cmp ebx, 7
ja 0x627eb5
jmp dword [ebx*4 + 0x4142c0]
test eax, eax
jne 0x627e7d
mov ecx, dword [esp + 0x10]
push eax
push 0x47ed9c
call fcn.00626d23
push 6
call dword [ebp + 0x2c]
lea edx, [esp + 0x1c]
xor ecx, ecx
add ebx, 0xfffffff8
push edx
mov dword [esp + 0x20], ecx
push ebx
push esi
mov dword [esp + 0x2c], ecx
call eax
mov edx, dword [esp + 0x5c]
lea eax, [esp + 0x14]
lea ecx, [esp + 0x1c]
push eax
mov eax, dword [esp + 0x5c]
push ecx
mov ecx, dword [esp + 0x18]
push edx
push eax
call fcn.006283c3
mov eax, dword [esp + 0x14]
mov edi, dword [esp + 0x18]
lea ecx, [esp + 0x2c]
mov esi, eax
mov dword [esp + 0x48], 0xffffffff
mov dword [esp + 0x2c], 0x46d628
call fcn.00614ed3
mov ecx, dword [esp + 0x40]
mov eax, esi
pop esi
mov edx, edi
pop ebx
pop edi
pop ebp
mov dword fs:[0], ecx
add esp, 0x3c
ret 0x10
Function at 0x631ea3
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x466ad0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x4c
push ebx
push esi
push edi
mov esi, ecx
call fcn.0062faa3
mov ebx, eax
test ebx, ebx
mov dword [esp + 0xc], ebx
jne 0x631efc
mov eax, dword [esp + 0x68]
xor ecx, ecx
mov ebx, eax
xor edx, edx
xor esi, esi
xor edi, edi
mov dword [ebx], ecx
mov dword [ebx + 4], edx
mov dword [ebx + 8], esi
mov dword [ebx + 0xc], edi
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x4c]
mov dword fs:[0], ecx
add esp, 0x58
ret 0xc
push ebp
mov ecx, ebx
call fcn.006395d3
mov ebp, dword [esp + 0x70]
mov edi, eax
add edi, ebp
mov ecx, ebx
mov dword [esp + 0x28], edi
call fcn.006395c3
mov edx, dword [esp + 0x74]
mov ecx, esi
add eax, edx
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x20]
push eax
call fcn.00631553
mov ebp, dword [eax]
lea edx, [esp + 0x38]
push edx
mov ecx, dword [eax + 4]
mov eax, dword [esi + 0x1c]
push eax
mov dword [esp + 0x24], ecx
call dword [fcn.004693b0]
push 0
lea ecx, [esp + 0x4c]
call fcn.0067527d
mov ecx, dword [esi + 0x5c]
mov edx, dword [esi + 0x58]
push ecx
lea eax, [esp + 0x4c]
push edx
push eax
mov dword [esp + 0x70], 0
call fcn.006479e3
add esp, 0xc
lea ecx, [esp + 0x48]
push ecx
lea ecx, [esp + 0x18]
call fcn.0062f503
mov eax, dword [esp + 0x50]
lea edx, [esp + 0x38]
push 2
push edx
push eax
mov byte [esp + 0x70], 1
call dword [fcn.004690b4]
mov ecx, ebx
call fcn.00639543
mov ebx, eax
mov eax, edi
cmp eax, ebx
jge 0x631fc7
push edi
mov ecx, esi
call fcn.0062f613
push eax
push ebp
mov ecx, esi
call fcn.0062f7d3
cmp eax, dword [esp + 0x40]
jg 0x631fc3
inc edi
mov ebp, eax
cmp edi, ebx
jl 0x631fa1
mov eax, ebx
jmp 0x631fcd
cmp edi, ebx
jl 0x631fcb
mov eax, ebx
jmp 0x631fcd
mov eax, edi
lea ecx, [eax - 1]
mov eax, dword [esp + 0x28]
cmp eax, ecx
jle 0x631fde
mov dword [esp + 0x30], eax
jmp 0x631fe9
cmp edi, ebx
jl 0x631fe4
mov edi, ebx
dec edi
mov dword [esp + 0x30], edi
mov ecx, dword [esp + 0x10]
mov ebx, dword [esp + 0x1c]
call fcn.00639503
mov ebp, eax
mov eax, dword [esp + 0x2c]
cmp eax, ebp
mov edi, eax
jge 0x632030
push edi
mov ecx, esi
call fcn.0062f533
push eax
push ebx
mov ecx, esi
call fcn.0062f903
cmp eax, dword [esp + 0x44]
jg 0x632028
inc edi
mov ebx, eax
cmp edi, ebp
jl 0x632002
mov eax, dword [esp + 0x2c]
mov ecx, ebp
jmp 0x63203a
cmp edi, ebp
jl 0x632034
mov eax, dword [esp + 0x2c]
mov ecx, ebp
jmp 0x63203a
mov eax, dword [esp + 0x2c]
mov ecx, edi
dec ecx
cmp eax, ecx
jle 0x632043
mov ecx, eax
jmp 0x63204c
cmp edi, ebp
jl 0x632049
mov edi, ebp
lea ecx, [edi - 1]
mov esi, dword [esp + 0x6c]
mov edi, dword [esp + 0x28]
mov edx, esi
mov dword [edx], edi
mov dword [edx + 4], eax
mov eax, dword [esp + 0x30]
mov dword [edx + 8], eax
mov dword [edx + 0xc], ecx
lea ecx, [esp + 0x14]
call fcn.0062f523
lea ecx, [esp + 0x48]
mov dword [esp + 0x64], 0xffffffff
call fcn.006752ef
mov ecx, dword [esp + 0x5c]
pop ebp
mov eax, esi
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x58
ret 0xc
Function at 0x638ec3
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x18
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
xor esi, esi
xor ecx, ecx
mov si, word [eax + 8]
mov cx, word [eax + 4]
xor ebp, ebp
xor edx, edx
mov bp, word [eax + 0xa]
mov dx, word [eax + 6]
sub esi, ecx
sub ebp, edx
inc esi
xor ebx, ebx
inc ebp
cmp esi, ebx
mov dword [esp + 0x14], esi
jle 0x63905b
cmp ebp, ebx
jle 0x63905b
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, 0x80000007
mov dword [esp + 0x10], edi
jns 0x638f21
dec eax
or eax, 0xfffffff8
inc eax
je 0x638f28
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x638f37
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x638f3e
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00670da5
add esp, 4
cmp eax, ebx
je 0x638f5f
mov dword [eax], ebx
mov dword [eax + 4], ebx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], ebx
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], ebx
mov ebx, eax
mov eax, edi
mov dword [esp + 0x14], ebx
imul eax, ebp
push eax
mov dword [ebx], 7
mov dword [ebx + 4], esi
mov dword [ebx + 8], ebp
mov dword [ebx + 0x14], eax
call fcn.00670da5
mov ecx, dword [ebx + 0x14]
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx + 0x10], edi
add esp, 4
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
test ebp, ebp
lea edx, [eax + 0x80]
jle 0x639051
xor eax, eax
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], eax
mov ebp, dword [ebx + 0x10]
xor ecx, ecx
add ebp, eax
mov dword [esp + 0x2c], ecx
test esi, esi
jle 0x639038
mov al, byte [edx]
cmp al, 0xc0
jbe 0x639024
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x639019
xor eax, eax
mov ecx, esi
mov al, byte [edx]
mov edx, ecx
mov bl, al
mov edi, ebp
mov bh, bl
dec esi
mov eax, ebx
shl eax, 0x10
mov ax, bx
mov ebx, dword [esp + 0x14]
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
mov edx, dword [esp + 0x24]
and ecx, 3
add ebp, esi
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
lea ecx, [eax + esi*8]
mov esi, dword [esp + 0x18]
jmp 0x639027
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x639027
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x638fc3
mov eax, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov ecx, dword [esp + 0x20]
add eax, edi
dec ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ecx
jne 0x638fb4
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x18
ret
Function at 0x646ca3
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4958e8]
xor edx, edx
cmp eax, edx
jne 0x646cc9
xor eax, eax
mov byte [eax + 0x4957e8], al
inc eax
cmp eax, 0x100
jl 0x646cb1
mov dword [0x4958e8], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4957e8
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x646d5a
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 0x646d2d
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 0x646cfb
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x646dd3
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 0x646e26
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 0x646e0d
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
Function at 0x648043
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x467de8
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 [fcn.004693b0]
push 0
lea ecx, [esp + 0x20]
call fcn.0067527d
mov eax, dword [esi + 0xd0]
lea edx, [esp + 0x1c]
push eax
push eax
push edx
mov dword [esp + 0x44], 0
call fcn.006479e3
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.006751ab
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.0066fdc6
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.0066fdc6
push 1
push 0
push 0
mov ecx, esi
call fcn.0066fd6e
push 1
push 0
push 1
mov ecx, esi
call fcn.0066fd6e
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.006752ef
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret

Function at 0x6481c3
Capabilities:
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x467e08
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.0067527d
push 0x3e8
lea eax, [esp + 0x20]
push 0x3e8
push eax
mov dword [esp + 0x44], 0
call fcn.006479e3
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.006751ab
mov eax, dword [esi + 0x1c]
lea edx, [esp + 0xc]
push edx
push eax
call dword [fcn.004693b0]
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 0x648287
cmp dword [esp + 0x40], 1
jne 0x648285
cmp ecx, eax
jge 0x648287
mov eax, ecx
cmp eax, 0xc8
jge 0x648293
mov eax, 0xc8
mov ecx, esi
mov dword [esi + 0xd0], eax
call fcn.00648043
mov ecx, dword [esi + 0x1c]
push 1
push 0
push ecx
call dword [fcn.00469398]
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.006752ef
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret 8
Function at 0x648a13
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x467e73
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.0066e1e6
lea edi, [esi + 0x64]
mov dword [esp + 0x18], 0
mov dword [edi + 4], 0
mov dword [edi], 0x470bc0
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], 0x46ed48
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 [fcn.004690f4]
push eax
mov ecx, edi
call fcn.00675525
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x20]
push edx
push eax
push ebp
push 0x50800044
mov ecx, esi
call fcn.00676ee5
test eax, eax
je 0x648b2f
mov ecx, dword [esp + 0x3c]
call fcn.00675552
mov ecx, dword [esi + 0x1c]
mov ebp, dword [int.004693bc]
push 0
push eax
push 0x30
push ecx
mov dword [esi + 0x58], eax
call ebp
mov edi, dword [esp + 0x34]
test edi, edi
je 0x648af3
push edi
mov ecx, esi
call fcn.00671e03
mov ecx, esi
call fcn.00648c93
cmp dword [esp + 0x38], 1
jne 0x648b28
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.00671f3e
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 0x651fc3
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x651ff6
push esi
call fcn.00654f73
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x651fef
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 0x65207c
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x652065
mov eax, dword [esi + 8]
test eax, eax
je 0x65201a
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 0x652061
cmp eax, 2
je 0x652065
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x65200d
cmp eax, 3
je 0x652040
cmp eax, 1
jne 0x65200d
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 0x65200d
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x65200d
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.006520a3
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x65208b
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.006520a3
add esp, 4
pop esi
ret