joyce8/EMBER2024-capa huggingface dataset:
Function at 0x472a20
Capabilities:
Check for time delay via gettickcount
Get socket status

Disassembly:
sub esp, 0x31c
push ebx
mov ebx, dword [esp + 0x324]
push ebp
mov ebp, dword [esp + 0x32c]
push esi
xor esi, esi
mov dword [esp + 0xc], esi
mov dword [esp + 0x10], esi
cmp ebx, 0xffffffff
jne 0x472a64
cmp ebp, ebx
jne 0x472a64
mov eax, dword [esp + 0x334]
push eax
call fcn.004729f0
add esp, 4
pop esi
pop ebp
pop ebx
add esp, 0x31c
ret
push edi
mov edi, dword [esp + 0x338]
cmp edi, esi
jle 0x472a7f
mov esi, edi
call fcn.0045eda0
mov dword [esp + 0x10], eax
mov dword [esp + 0x14], edx
xor eax, eax
xor ecx, ecx
or edx, 0xffffffff
mov dword [esp + 0x20], ecx
mov dword [esp + 0x124], eax
cmp ebx, 0xffffffff
je 0x472ab3
mov ecx, 1
mov dword [esp + 0x128], ebx
mov dword [esp + 0x124], ecx
mov dword [esp + 0x24], ebx
mov dword [esp + 0x20], ecx
mov edx, ebx
mov dword [esp + 0x228], eax
cmp ebp, 0xffffffff
je 0x472af7
mov dword [esp + 0x22c], ebp
mov dword [esp + 0x228], 1
test ecx, ecx
jbe 0x472ae0
cmp dword [esp + eax*4 + 0x24], ebp
je 0x472ae0
inc eax
cmp eax, ecx
jb 0x472ad5
cmp eax, ecx
jne 0x472af1
cmp ecx, 0x40
jae 0x472af1
mov dword [esp + eax*4 + 0x24], ebp
inc dword [esp + 0x20]
cmp ebp, edx
jbe 0x472af7
mov edx, ebp
xor ebx, ebx
test edi, edi
setl bl
lea ecx, [esp + 0x18]
lea ebp, [edx + 1]
dec ebx
and ebx, ecx
xor eax, eax
cmp edi, eax
jle 0x472b39
mov eax, 0x10624dd3
imul esi
sar edx, 6
mov eax, edx
shr eax, 0x1f
add eax, edx
mov dword [esp + 0x18], eax
imul eax, eax, 0x3e8
mov edx, esi
sub edx, eax
imul edx, edx, 0x3e8
mov dword [esp + 0x1c], edx
jmp 0x472b43
jne 0x472b43
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
push ebx
lea eax, [esp + 0x24]
push eax
lea ecx, [esp + 0x230]
push ecx
lea edx, [esp + 0x130]
push edx
push ebp
call dword [sym.imp.WS2_32.dll_select]
cmp eax, 0xffffffff
jne 0x472bad
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
je 0x472b76
cmp eax, 0x2714
jne 0x472bb1
test edi, edi
jle 0x472b08
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x10]
push eax
push ecx
call fcn.0045eda0
push edx
push eax
call fcn.0045edd0
mov esi, edi
sub esi, eax
add esp, 0x10
test esi, esi
jg 0x472b08
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x31c
ret
test eax, eax
jge 0x472bbf
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x31c
ret
jne 0x472bce
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x31c
ret
mov edi, dword [esp + 0x330]
xor esi, esi
cmp edi, 0xffffffff
je 0x472c05
lea edx, [esp + 0x124]
push edx
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x472bf3
mov esi, 1
lea eax, [esp + 0x20]
push eax
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x472c05
or esi, 4
mov edi, dword [esp + 0x334]
cmp edi, 0xffffffff
je 0x472c38
lea ecx, [esp + 0x228]
push ecx
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x472c26
or esi, 2
lea edx, [esp + 0x20]
push edx
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x472c38
or esi, 4
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x31c
ret
Function at 0x473ac0
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x56a338]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.00446151
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x473b25
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
cmp byte [esp], 0
je 0x473b25
lea edx, [esp]
push edx
call dword [0x56b524]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042eb95
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor ecx, esp
xor eax, eax
call fcn.0042eb95
add esp, 0x108
ret
jmp 0x473ac0

Function at 0x473b40
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x56a338]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.00446151
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x473b25
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
cmp byte [esp], 0
je 0x473b25
lea edx, [esp]
push edx
call dword [0x56b524]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042eb95
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor ecx, esp
xor eax, eax
call fcn.0042eb95
add esp, 0x108
ret
jmp 0x473ac0

Function at 0x4771f0
Capabilities:
Get hostname

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
push edi
push esi
mov byte [esi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [esi + edi - 1], 0
test eax, eax
jne 0x477222
push 0x2e
push esi
call fcn.00432170
add esp, 8
test eax, eax
je 0x477220
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
ret
Function at 0x47a230
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push 0xffffffffffffffff
push 0x51c363
mov eax, dword fs:[0]
push eax
push ecx
push ebx
push esi
mov eax, dword [0x56a338]
xor eax, esp
push eax
lea eax, [esp + 0x10]
mov dword fs:[0], eax
mov esi, ecx
mov dword [esp + 0xc], esi
xor ebx, ebx
or eax, 0xffffffff
mov dword [esi + 8], eax
mov dword [esi + 4], eax
mov dword [esi + 0xc], ebx
mov dword [esi + 0x20], 0x575478
mov dword [esi + 0x10], ebx
mov dword [esi + 0x14], ebx
mov dword [esi + 0x18], ebx
mov dword [esi + 0x1c], ebx
mov dword [esi + 0x24], ebx
mov dword [esi + 0x28], ebx
lea ecx, [esi + 0x34]
mov dword [esi], vtable.TiXmlDocument.0
mov dword [esp + 0x18], ebx
mov dword [ecx], 0x575478
mov dword [esi + 0x40], eax
mov dword [esi + 0x3c], eax
push ebx
push 0x5602af
mov byte [esp + 0x20], 1
mov dword [esi + 0x38], 4
mov byte [esi + 0x44], bl
mov byte [esi + 0x2c], bl
mov dword [esi + 0x30], ebx
call fcn.0047d270
mov dword [esi + 0x40], ebx
mov dword [esi + 0x3c], ebx
mov eax, esi
mov ecx, dword [esp + 0x10]
mov dword fs:[0], ecx
pop ecx
pop esi
pop ebx
add esp, 0x10
ret

Function at 0x495430
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x474
call fcn.00443760
mov eax, dword [0x56a338]
xor eax, esp
mov dword [esp + 0x470], eax
push ebx
push esi
mov esi, dword [ebp + 8]
push edi
mov dword [esp + 0x3c], 0
test esi, esi
jne 0x495477
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x470]
xor ecx, esp
call fcn.0042eb95
mov esp, ebp
pop ebp
ret
lea eax, [esp + 0x48]
push eax
push esi
call fcn.005058cc
add esp, 8
test eax, eax
jl 0x495460
mov eax, 8
call fcn.00443760
fldz
fstp qword [esp]
lea ecx, [esp + 0x50]
push 0x30
push ecx
call fcn.004952a0
mov ebx, dword [ebp + 0xc]
add esp, 0x10
test ebx, ebx
je 0x495460
push 0x522918
push esi
call fcn.00434fd8
add esp, 8
mov dword [esp + 0x40], eax
test eax, eax
je 0x495551
jmp 0x4954d4
mov eax, dword [esp + 0x40]
test ebx, ebx
jle 0x4954e2
cmp ebx, 0x400
mov esi, ebx
jl 0x4954e7
mov esi, 0x400
push eax
push esi
lea edx, [esp + 0x80]
push 1
push edx
call fcn.005048ee
mov edi, eax
add esp, 0x10
mov dword [esp + 0x44], edi
test edi, edi
jle 0x495535
fild dword [esp + 0x44]
mov eax, 8
call fcn.00443760
lea eax, [esp + 0x80]
fstp qword [esp]
push esi
push eax
call fcn.004952a0
add dword [esp + 0x4c], edi
add esp, 0x10
test ebx, ebx
jle 0x4954d0
sub ebx, esi
test ebx, ebx
jg 0x4954d0
mov ecx, dword [esp + 0x40]
push ecx
call fcn.0042fb21
lea edx, [esp + 0x7c]
push 0x400
push edx
call fcn.00506810
add esp, 0xc
mov ecx, dword [esp + 0x47c]
mov eax, dword [esp + 0x3c]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.0042eb95
mov esp, ebp
pop ebp
ret

Function at 0x4a1820
Capabilities:
Hash data with md5

Disassembly:
push esi
mov esi, dword [esp + 8]
push 0x5c
push 0
push esi
call fcn.00435740
add esp, 0xc
mov dword [esi], 0x67452301
mov dword [esi + 4], 0xefcdab89
mov dword [esi + 8], 0x98badcfe
mov dword [esi + 0xc], 0x10325476
mov eax, 1
pop esi
ret
Function at 0x4a2540
Capabilities:
Access the windows event log

Disassembly:
mov eax, 0x108
call fcn.00443760
mov eax, dword [0x56a338]
xor eax, esp
mov dword [esp + 0x104], eax
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
test eax, eax
je 0x4a25a5
push eax
call dword [sym.imp.KERNEL32.dll_GetFileType]
test eax, eax
je 0x4a25a5
mov ecx, dword [esp + 0x10c]
lea eax, [esp + 0x110]
push eax
push ecx
call fcn.0043b9f1
add eax, 0x40
push eax
call fcn.00505e18
add esp, 0xc
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042eb95
add esp, 0x108
ret
mov eax, dword [esp + 0x10c]
lea edx, [esp + 0x110]
push edx
push eax
lea ecx, [esp + 0xc]
push 0xff
push ecx
call fcn.00505caf
add esp, 0x10
mov byte [esp + 0x103], 0
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp eax, 0x80000000
jae 0x4a2634
call fcn.004a2400
test eax, eax
jle 0x4a2634
push esi
push str.OPENSSL
push 0
call dword [sym.imp.ADVAPI32.dll_RegisterEventSourceA]
push 0
mov esi, eax
lea eax, [esp + 8]
push eax
push 0
push 1
push 0
push 0
push 0
push 1
lea edx, [esp + 0x28]
push esi
mov dword [esp + 0x28], edx
call dword [sym.imp.ADVAPI32.dll_ReportEventA]
push esi
call dword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
pop esi
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042eb95
add esp, 0x108
ret
push 0x10
push str.OpenSSL:_FATAL
lea ecx, [esp + 0xc]
push ecx
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042eb95
add esp, 0x108
ret

Function at 0x4a2690
Capabilities:
Encode data using xor

Disassembly:
push edi
mov edi, dword [esp + 0x10]
xor cl, cl
test edi, edi
jbe 0x4a26b4
mov eax, dword [esp + 8]
push esi
mov esi, dword [esp + 0x10]
sub esi, eax
mov dl, byte [esi + eax]
xor dl, byte [eax]
inc eax
or cl, dl
sub edi, 1
jne 0x4a26a6
pop esi
movzx eax, cl
pop edi
ret

Function at 0x4a2aa0
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 4]
push esi
xor esi, esi
test edx, edx
je 0x4a2ae7
mov al, byte [edx]
test al, al
je 0x4a2ae7
push edi
mov edi, 0x100
movsx eax, al
or eax, edi
mov ecx, eax
shr ecx, 2
xor ecx, eax
and ecx, 0xf
add edi, 0x100
rol esi, cl
mov ecx, eax
imul ecx, eax
mov al, byte [edx + 1]
inc edx
xor esi, ecx
test al, al
jne 0x4a2ab7
mov eax, esi
shr eax, 0x10
pop edi
xor eax, esi
pop esi
ret
xor eax, eax
pop esi
ret
Function at 0x4a7930
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x24
call fcn.00443760
mov eax, dword [0x56a338]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push ebx
push esi
mov esi, dword [ebp + 8]
mov dword [ebp - 0x1c], eax
mov eax, esi
push edi
mov dword [ebp - 0x18], esi
lea ecx, [eax + 1]
jmp 0x4a7960
mov dl, byte [eax]
inc eax
test dl, dl
jne 0x4a7960
mov ebx, dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
push 0
push 0
sub eax, ecx
lea edi, [eax + 1]
push edi
push esi
push 8
push 0xfde9
mov dword [ebp - 0x20], 8
call ebx
mov esi, eax
test esi, esi
jg 0x4a79d8
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x3ec
jne 0x4a79ba
mov ecx, dword [ebp - 0x18]
push 0
push 0
push edi
push ecx
push 0
push 0xfde9
mov dword [ebp - 0x20], 0
call ebx
mov esi, eax
test esi, esi
jg 0x4a79d8
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x459
jne 0x4a7a6a
mov edx, dword [ebp - 0x1c]
mov eax, dword [ebp - 0x18]
push edx
push eax
jmp 0x4a7a58
lea eax, [esi + esi]
call fcn.004357c0
mov ecx, dword [ebp - 0x18]
mov edx, dword [ebp - 0x20]
mov eax, esp
push esi
push eax
push edi
push ecx
push edx
push 0xfde9
mov dword [ebp - 0x24], eax
call ebx
test eax, eax
je 0x4a7a6a
mov esi, dword [ebp - 0x1c]
mov eax, esi
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x4a7a03
push 8
sub eax, edx
lea ecx, [ebp - 0x14]
push ecx
inc eax
push eax
push esi
push 0
push 0xfde9
call ebx
test eax, eax
je 0x4a7a6a
mov eax, dword [ebp - 0x24]
lea edx, [ebp - 0x14]
push edx
push eax
call fcn.0042f8bb
mov esi, eax
add esp, 8
test esi, esi
jne 0x4a7b0e
call fcn.00434233
cmp dword [eax], 2
je 0x4a7a50
call fcn.00434233
cmp dword [eax], 9
jne 0x4a7a62
mov ecx, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x18]
push ecx
push edx
call fcn.00434fd8
mov esi, eax
add esp, 8
test esi, esi
jne 0x4a7b0e
push 0xa9
push str..crypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.0049a620
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x18]
push 0x52bf60
push eax
push 0x54242c
push ecx
push str.fopen_
push 5
call fcn.0049a920
add esp, 0x2c
call fcn.00434233
cmp dword [eax], 2
jne 0x4a7ae0
push 0xac
push str..crypto_bio_bss_file.c
push 0x80
push 0x6d
push 0x20
call fcn.0049a620
add esp, 0x14
xor eax, eax
lea esp, [ebp - 0x30]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042eb95
mov esp, ebp
pop ebp
ret
push 0xae
push str..crypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.0049a620
add esp, 0x14
xor eax, eax
lea esp, [ebp - 0x30]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042eb95
mov esp, ebp
pop ebp
ret
push 0x56e8c4
call fcn.00496470
mov edi, eax
add esp, 4
test edi, edi
jne 0x4a7b40
push esi
call fcn.0042fb21
add esp, 4
xor eax, eax
lea esp, [ebp - 0x30]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042eb95
mov esp, ebp
pop ebp
ret
push 0
push edi
call fcn.00495ea0
push esi
push 1
push 0x6a
push edi
call fcn.00496200
add esp, 0x18
mov eax, edi
lea esp, [ebp - 0x30]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042eb95
mov esp, ebp
pop ebp
ret
Function at 0x4d1b80
Capabilities:
Encode data using base64

Disassembly:
mov ecx, dword [esp + 4]
push ebp
push edi
mov edi, dword [esp + 0x14]
xor ebp, ebp
test edi, edi
jle 0x4d1c63
push esi
mov esi, dword [esp + 0x14]
lea esp, [esp]
cmp edi, 3
movzx edx, byte [esi]
jl 0x4d1bfe
movzx eax, byte [esi + 1]
shl edx, 8
or edx, eax
movzx eax, byte [esi + 2]
shl edx, 8
or edx, eax
mov eax, edx
shr eax, 0x12
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], al
mov eax, edx
shr eax, 0xc
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx + 1], al
inc ecx
mov eax, edx
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
inc ecx
mov byte [ecx], al
inc ecx
and edx, 0x3f
mov dl, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], dl
jmp 0x4d1c50
shl edx, 0x10
cmp edi, 2
jne 0x4d1c0f
movzx eax, byte [esi + 1]
shl eax, 8
or edx, eax
mov eax, edx
shr eax, 0x12
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], al
mov eax, edx
shr eax, 0xc
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
inc ecx
mov byte [ecx], al
inc ecx
cmp edi, 1
jne 0x4d1c3d
lea edx, [edi + 0x3c]
jmp 0x4d1c4a
shr edx, 6
and edx, 0x3f
movzx edx, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], dl
inc ecx
mov byte [ecx], 0x3d
sub edi, 3
inc ecx
add ebp, 4
add esi, 3
test edi, edi
jg 0x4d1ba0
pop esi
pop edi
mov eax, ebp
mov byte [ecx], 0
pop ebp
ret
Function at 0x4e6690
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [eax + 4]
push ebx
push esi
push edi
mov edi, dword [esp + 0x18]
cmp ecx, dword [edi + 4]
jge 0x4e66a9
mov esi, edi
mov edi, eax
jmp 0x4e66ab
mov esi, eax
mov eax, dword [esi + 4]
mov ebx, dword [esp + 0x10]
cmp eax, dword [ebx + 8]
jg 0x4e66bb
mov eax, ebx
jmp 0x4e66c5
push eax
push ebx
call fcn.0049f1b0
add esp, 8
test eax, eax
jne 0x4e66cd
pop edi
pop esi
pop ebx
ret
xor eax, eax
cmp dword [edi + 4], eax
jle 0x4e66e9
mov edx, dword [esi]
mov ecx, dword [edi]
mov edx, dword [edx + eax*4]
xor edx, dword [ecx + eax*4]
mov ecx, dword [ebx]
mov dword [ecx + eax*4], edx
inc eax
cmp eax, dword [edi + 4]
jl 0x4e66d4
cmp eax, dword [esi + 4]
jge 0x4e6700
mov edi, edi
mov edx, dword [esi]
mov edx, dword [edx + eax*4]
mov ecx, dword [ebx]
mov dword [ecx + eax*4], edx
inc eax
cmp eax, dword [esi + 4]
jl 0x4e66f0
mov eax, dword [esi + 4]
mov dword [ebx + 4], eax
test eax, eax
jle 0x4e6721
mov ecx, dword [ebx]
lea ecx, [ecx + eax*4 - 4]
mov edx, dword [ecx]
sub ecx, 4
test edx, edx
jne 0x4e671e
dec eax
test eax, eax
jg 0x4e6710
mov dword [ebx + 4], eax
pop edi
pop esi
mov eax, 1
pop ebx
ret
Function at 0x4f0277
Capabilities:
Encode data using add xor sub operations
Encode data using xor

Disassembly:
mov eax, 0xa0
call fcn.00443760
mov eax, dword [0x56a338]
xor eax, esp
mov dword [esp + 0x9c], eax
mov eax, dword [esp + 0xa8]
push ebp
mov ebp, dword [esp + 0xa8]
push esi
mov esi, ecx
test eax, eax
jbe 0x4f03e4
push ebx
dec eax
push edi
lea edi, [ebp + 0xc]
shr eax, 3
add ebp, 0x14
inc eax
mov dword [esp + 0x18], eax
movzx ebx, byte [esi]
movzx eax, byte [esi + 1]
inc esi
movzx ecx, byte [esi + 1]
inc esi
movzx edx, byte [esi + 1]
shl eax, 8
or ebx, eax
inc esi
movzx eax, byte [esi + 1]
inc esi
shl ecx, 0x10
or ebx, ecx
movzx ecx, byte [esi + 1]
shl edx, 0x18
inc esi
or ebx, edx
movzx edx, byte [esi + 1]
inc esi
shl ecx, 8
or eax, ecx
movzx ecx, byte [esi + 1]
inc esi
shl edx, 0x10
or eax, edx
mov dl, byte [edi]
shl ecx, 0x18
or eax, ecx
mov dword [esp + 0x10], eax
mov dword [esp + 0x20], eax
mov dword [esp + 0x28], eax
mov al, byte [ebp]
and dl, 0xdf
and al, 0xbf
or dl, 0x40
or al, 0x20
push edi
mov dword [esp + 0x20], ebx
mov dword [esp + 0x28], ebx
inc esi
mov byte [edi], dl
mov byte [ebp], al
call fcn.004a1040
lea ecx, [esp + 0x30]
push ecx
push edi
call fcn.004a1140
push 1
lea edx, [esp + 0x3c]
push edx
lea eax, [esp + 0x38]
push eax
call fcn.00507d80
push ebp
call fcn.004a1040
lea ecx, [esp + 0x48]
push ecx
push ebp
call fcn.004a1140
push 1
lea edx, [esp + 0x54]
push edx
lea eax, [esp + 0x48]
push eax
call fcn.00507d80
mov eax, dword [esp + 0x50]
xor eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x4c]
mov edx, dword [esp + 0x58]
xor dword [esp + 0x40], edx
xor ecx, ebx
xor ebx, dword [esp + 0x54]
mov dword [esp + 0x44], eax
mov eax, edi
mov byte [eax], bl
mov edx, ebx
inc eax
shr edx, 8
add esp, 0x30
mov byte [eax], dl
inc eax
inc eax
mov edx, ebx
shr edx, 0x10
mov byte [eax - 1], dl
mov edx, dword [esp + 0x14]
inc eax
shr ebx, 0x18
mov byte [eax - 1], bl
mov byte [eax], dl
mov ebx, edx
inc eax
inc eax
shr ebx, 8
mov byte [eax - 1], bl
mov ebx, edx
shr edx, 0x18
shr ebx, 0x10
mov byte [eax], bl
mov byte [eax + 1], dl
mov edx, ecx
shr edx, 8
mov eax, ebp
mov byte [eax], cl
mov byte [eax + 1], dl
inc eax
inc eax
mov edx, ecx
shr edx, 0x10
mov byte [eax], dl
inc eax
shr ecx, 0x18
mov byte [eax], cl
mov ecx, dword [esp + 0x10]
inc eax
mov byte [eax], cl
mov edx, ecx
shr edx, 8
inc eax
mov byte [eax], dl
mov edx, ecx
inc eax
shr edx, 0x10
shr ecx, 0x18
sub dword [esp + 0x18], 1
mov byte [eax], dl
mov byte [eax + 1], cl
jne 0x4f0293
pop edi
pop ebx
mov ecx, dword [esp + 0xa4]
pop esi
pop ebp
xor ecx, esp
call fcn.0042eb95
add esp, 0xa0
ret
Function at 0x4fe08f
Capabilities:
Check os version

Disassembly:
push ebp
lea ebp, [esp - 0x78]
sub esp, 0x98
mov eax, dword [0x56a338]
xor eax, ebp
mov dword [ebp + 0x74], eax
push esi
mov esi, ecx
call fcn.004fdfce
mov eax, 0x400000
push 0x94
mov dword [esi + 8], eax
mov dword [esi + 4], eax
lea eax, [ebp - 0x20]
push 0
push eax
mov dword [esi], 0x3c
mov byte [esi + 0xc], 0
call fcn.00435740
add esp, 0xc
lea eax, [ebp - 0x20]
push eax
mov dword [ebp - 0x20], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x10], 2
jne 0x4fe0de
cmp dword [ebp - 0x1c], 5
jb 0x4fe0f6
jmp 0x4fe0f2
cmp dword [ebp - 0x10], 1
jne 0x4fe0f6
cmp dword [ebp - 0x1c], 4
ja 0x4fe0f2
jne 0x4fe0f6
cmp dword [ebp - 0x18], 0
jbe 0x4fe0f6
mov byte [esi + 0xc], 1
lea ecx, [esi + 0x18]
mov dword [esi + 0x10], 0x800
mov dword [esi + 0x14], 0x55f4d0
call fcn.004fde81
test eax, eax
jge 0x4fe117
mov byte [0x579b8c], 1
mov ecx, dword [ebp + 0x74]
mov eax, esi
xor ecx, ebp
pop esi
call fcn.0042eb95
add ebp, 0x78
leave
ret

Function at 0x500dc0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push esi
push edi
xor esi, esi
mov edx, 0x57ad60
mov eax, esi
mov ecx, 8
mov edi, eax
and edi, 1
dec edi
not edi
and edi, 0xedb88320
shr eax, 1
xor eax, edi
dec ecx
jne 0x500dd0
mov dword [edx], eax
add edx, 4
inc esi
cmp edx, 0x57b160
jl 0x500dc9
cmp esi, 0x800
jae 0x500e2a
lea ecx, [esi*4 + 0x57ad60]
mov eax, dword [ecx - 0x400]
add ecx, 4
mov edx, eax
and edx, 0xff
shr eax, 8
mov edx, dword [edx*4 + 0x57ad60]
xor edx, eax
cmp ecx, 0x57cd60
mov dword [ecx - 4], edx
jl 0x500e02
mov dword [0x5776d0], fcn.005018d0
call fcn.00501ab0
pop edi
pop esi
test eax, eax
jne 0x500e49
mov dword [0x5776d0], 0x501980
ret
Function at 0x504652
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov ecx, dword [ebp + 8]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
push edi
xor edi, edi
cmp dword [ebp + 0x10], edi
mov dword [ebp - 8], ecx
mov dword [ebp - 4], ebx
je 0x50468f
cmp dword [ebp + 0x14], edi
je 0x50468f
cmp ecx, edi
jne 0x504696
call fcn.00434233
push edi
push edi
push edi
push edi
mov dword [eax], 0x16
push edi
call fcn.0042effd
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret
mov esi, dword [ebp + 0x18]
cmp esi, edi
je 0x5046aa
or eax, 0xffffffff
xor edx, edx
div dword [ebp + 0x10]
cmp dword [ebp + 0x14], eax
jbe 0x5046cb
cmp ebx, 0xffffffff
je 0x5046ba
push ebx
push edi
push ecx
call fcn.00435740
add esp, 0xc
cmp esi, edi
je 0x504677
or eax, 0xffffffff
xor edx, edx
div dword [ebp + 0x10]
cmp dword [ebp + 0x14], eax
ja 0x504677
mov edi, dword [ebp + 0x10]
imul edi, dword [ebp + 0x14]
test word [esi + 0xc], 0x10c
mov dword [ebp - 0x10], edi
mov ebx, edi
je 0x5046e7
mov eax, dword [esi + 0x18]
mov dword [ebp - 0xc], eax
jmp 0x5046ee
mov dword [ebp - 0xc], 0x1000
test edi, edi
je 0x5047df
test word [esi + 0xc], 0x10c
je 0x504742
mov eax, dword [esi + 4]
test eax, eax
je 0x504742
jl 0x504840
cmp ebx, eax
mov edi, ebx
jb 0x504713
mov edi, eax
cmp edi, dword [ebp - 4]
ja 0x5047e7
push edi
push dword [esi]
push dword [ebp - 4]
push dword [ebp - 8]
call fcn.0042eabf
sub dword [esi + 4], edi
add dword [esi], edi
add dword [ebp - 8], edi
sub ebx, edi
add esp, 0x10
sub dword [ebp - 4], edi
mov edi, dword [ebp - 0x10]
jmp 0x5047d7
cmp ebx, dword [ebp - 0xc]
jb 0x5047af
cmp dword [ebp - 0xc], 0
je 0x50476c
mov ecx, closesocket
xor edx, edx
cmp ebx, ecx
jbe 0x504761
mov eax, ecx
div dword [ebp - 0xc]
mov eax, ecx
jmp 0x504768
mov eax, ebx
div dword [ebp - 0xc]
mov eax, ebx
sub eax, edx
jmp 0x504777
mov eax, closesocket
cmp ebx, eax
ja 0x504777
mov eax, ebx
cmp eax, dword [ebp - 4]
ja 0x504813
push eax
push dword [ebp - 8]
push esi
call fcn.0043c7a5
pop ecx
push eax
call fcn.00446dbe
add esp, 0xc
test eax, eax
je 0x504852
cmp eax, 0xffffffff
je 0x504840
add dword [ebp - 8], eax
sub ebx, eax
sub dword [ebp - 4], eax
jmp 0x5047d7
push esi
call fcn.00441241
cmp eax, 0xffffffff
pop ecx
je 0x504844
cmp dword [ebp - 4], 0
je 0x504813
mov ecx, dword [ebp - 8]
inc dword [ebp - 8]
mov byte [ecx], al
mov eax, dword [esi + 0x18]
dec ebx
dec dword [ebp - 4]
mov dword [ebp - 0xc], eax
test ebx, ebx
jne 0x5046f6
mov eax, dword [ebp + 0x14]
jmp 0x504691
xor esi, esi
cmp dword [ebp + 0xc], 0xffffffff
je 0x5047fe
push dword [ebp + 0xc]
push esi
push dword [ebp + 8]
call fcn.00435740
add esp, 0xc
call fcn.00434233
push esi
push esi
push esi
push esi
mov dword [eax], 0x22
push esi
jmp 0x504687
cmp dword [ebp + 0xc], 0xffffffff
je 0x504829
push dword [ebp + 0xc]
push 0
push dword [ebp + 8]
call fcn.00435740
add esp, 0xc
call fcn.00434233
mov dword [eax], 0x22
xor eax, eax
push eax
push eax
push eax
push eax
push eax
jmp 0x504687
or dword [esi + 0xc], 0x20
mov eax, edi
sub eax, ebx
xor edx, edx
div dword [ebp + 0x10]
jmp 0x504691
or dword [esi + 0xc], 0x10
jmp 0x504844