joyce8/EMBER2024-capa huggingface dataset:
Function at 0x486b40
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4db08a
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push ebx
push esi
push edi
mov eax, dword [0x522f10]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 0xc]
push 0x50a70c
xor esi, esi
push eax
mov dword [ebp - 0x18], esi
call fcn.004bd2b8
mov ebx, eax
add esp, 8
cmp ebx, esi
jne 0x486ba8
mov ecx, dword [0x5290a8]
mov eax, dword [ebp + 8]
mov dword [eax], ecx
cmp ecx, esi
je 0x486b96
inc dword [ecx + 0x30]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push 2
push esi
push ebx
call fcn.004bda3c
add esp, 0xc
push ebx
call fcn.004bd90d
mov edi, eax
add esp, 4
mov dword [ebp - 0x10], esi
cmp edi, esi
jne 0x486bf9
push ebx
call fcn.004bdb38
mov edx, dword [0x5290a8]
mov eax, dword [ebp + 8]
mov ecx, edx
add esp, 4
mov dword [eax], edx
cmp ecx, esi
je 0x486d19
inc dword [ecx + 0x30]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push esi
push esi
push ebx
call fcn.004bda3c
lea eax, [edi + 4]
add esp, 0xc
push eax
call fcn.004b9282
add esp, 4
push ebx
push edi
mov esi, eax
push 1
push esi
call fcn.004bd56f
push ebx
mov edi, eax
call fcn.004bdb38
add esp, 0x14
push 0
push edi
push esi
mov byte [esi + edi], 0
mov byte [esi + edi + 1], 0
mov byte [esi + edi + 2], 0
mov byte [esi + edi + 3], 0
call dword [sym.imp.ADVAPI32.dll_IsTextUnicode]
test al, al
jne 0x486c8b
cmp byte [esi], 0xef
mov eax, 2
jne 0x486c66
cmp byte [esi + 1], 0xbb
jne 0x486c66
cmp byte [esi + 2], 0xbf
jne 0x486c66
lea ecx, [eax + 1]
lea eax, [ecx - 2]
jmp 0x486c69
mov ecx, dword [ebp - 0x10]
push eax
lea ebx, [esi + ecx]
call fcn.004852f0
add esp, 4
push esi
mov edi, eax
call fcn.004b9165
add esp, 4
mov esi, edi
mov dword [ebp - 0x10], 0
jmp 0x486caf
mov al, byte [esi]
cmp al, 0xef
jne 0x486c9e
cmp byte [esi + 1], 0xff
jne 0x486c9e
mov dword [ebp - 0x10], 2
cmp al, 0xff
jne 0x486caf
cmp byte [esi + 1], 0xfe
jne 0x486caf
mov dword [ebp - 0x10], 2
test esi, esi
jne 0x486cd7
mov ecx, dword [0x5290a8]
mov eax, dword [ebp + 8]
mov dword [eax], ecx
test ecx, ecx
je 0x486d19
inc dword [ecx + 0x30]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [ebp - 0x10]
lea eax, [ebp - 0x14]
push 0
lea ecx, [esi + edx]
push eax
call fcn.00486960
push esi
call fcn.004b9165
mov eax, dword [ebp - 0x14]
mov esi, dword [ebp + 8]
add esp, 0xc
mov dword [esi], eax
test eax, eax
je 0x486d00
inc dword [eax + 0x30]
lea ecx, [ebp - 0x14]
mov dword [ebp - 4], 0
push ecx
mov dword [ebp - 0x18], 1
call fcn.004873f0
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x48a680
Capabilities:
Link many functions at runtime

Disassembly:
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push edi
push str.ntdll.dll
call esi
mov edi, eax
test edi, edi
je 0x48a719
push str.GetFinalPathNameByHandleW
push str.Kernel32.dll
call esi
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call esi
push str.NtQueryObject
push edi
mov dword [0x528c64], eax
call esi
push str.NtOpenSymbolicLinkObject
push edi
mov dword [0x528c88], eax
call esi
push str.NtQuerySymbolicLinkObject
push edi
mov dword [0x528c8c], eax
call esi
push str.ZwClose
push edi
mov dword [0x528c90], eax
call esi
push 0x68
push 0xff
push 0x529120
mov dword [0x528c84], eax
call fcn.004b9350
mov esi, dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
add esp, 0xc
push 0x529108
call esi
push 0x5290ec
call esi
mov dword [0x528c60], 1
pop edi
pop esi
ret
Function at 0x48c710
Capabilities:
Get file version info

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4d90a8
mov eax, dword fs:[0]
push eax
push ecx
push esi
push edi
mov eax, dword [0x522f10]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
lea eax, [ebp - 0x10]
mov dword [ebp - 4], 0
mov ecx, dword [ebp + 8]
push eax
push ecx
call sub.VERSION.dll_GetFileVersionInfoSizeW
mov esi, eax
test esi, esi
jbe 0x48c7b1
push esi
call fcn.004a9c0c
mov edi, eax
add esp, 4
test edi, edi
je 0x48c7b1
mov edx, dword [ebp + 8]
push edi
push esi
push 0
push edx
call sub.VERSION.dll_GetFileVersionInfoW
test eax, eax
je 0x48c7a8
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x48c795
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
push edi
call fcn.004a9c01
add esp, 4
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x48c7d7
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x48d300
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [edi + 8]
sub esp, 8
test eax, eax
je 0x48d3f3
mov ecx, dword [edi + 0x10]
push ebx
push esi
push 1
push ecx
push 0x30
push eax
call dword [sym.imp.USER32.dll_SendMessageW]
movzx edx, word [edi]
mov eax, dword [edi + 4]
push 5
push edx
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov ecx, dword [edi + 4]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_LoadResource]
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov esi, eax
mov ecx, esi
mov dword [ebp - 8], esi
call fcn.0048cd60
mov ebx, eax
mov eax, esi
mov dword [ebp - 4], 0
call fcn.0048cd40
xor edx, edx
cmp dx, word [eax]
jae 0x48d3dc
mov esi, dword [ebp - 8]
lea ebx, [ebx]
cmp dword [ebp - 4], 0
jne 0x48d37e
mov eax, dword [edi + 8]
push 5
push eax
jmp 0x48d381
push 2
push esi
call dword [sym.imp.USER32.dll_GetWindow]
mov esi, eax
test esi, esi
je 0x48d3dc
lea ecx, [ecx]
push esi
call dword [sym.imp.USER32.dll_GetDlgCtrlID]
cmp eax, dword [ebx + 0x14]
je 0x48d3ad
push 2
push esi
call dword [sym.imp.USER32.dll_GetWindow]
mov esi, eax
test esi, esi
jne 0x48d390
jmp 0x48d3dc
test esi, esi
je 0x48d3dc
mov ecx, dword [edi + 0x10]
push 1
push ecx
push 0x30
push esi
call dword [sym.imp.USER32.dll_SendMessageW]
mov eax, ebx
call fcn.0048ce00
inc dword [ebp - 4]
mov ebx, eax
mov eax, dword [ebp - 8]
call fcn.0048cd40
movzx edx, word [eax]
cmp dword [ebp - 4], edx
jl 0x48d370
mov eax, dword [edi + 0xc]
push eax
call dword [sym.imp.GDI32.dll_DeleteObject]
xor eax, eax
pop esi
mov dword [edi + 8], eax
mov dword [edi + 0xc], eax
mov dword [edi + 0x10], eax
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x48d400
Capabilities:
Encode data using xor
Encrypt data using aes

Disassembly:
push esi
mov esi, ecx
test esi, esi
je 0x48d59e
test eax, eax
je 0x48d59e
mov dword [eax + 0xf0], 0xa
mov ecx, dword [esi]
push edi
mov edx, ecx
ror edx, 8
and edx, 0xff00ff00
rol ecx, 8
and ecx, 0xff00ff
or edx, ecx
mov dword [eax], edx
mov edx, dword [esi + 4]
mov edi, edx
ror edi, 8
and edi, 0xff00ff00
rol edx, 8
and edx, 0xff00ff
or edi, edx
mov dword [eax + 4], edi
mov edx, dword [esi + 8]
mov edi, edx
ror edi, 8
and edi, 0xff00ff00
rol edx, 8
and edx, 0xff00ff
or edi, edx
mov dword [eax + 8], edi
mov edx, dword [esi + 0xc]
lea ecx, [eax + 4]
mov esi, edx
ror esi, 8
and esi, 0xff00ff00
rol edx, 8
and edx, 0xff00ff
or esi, edx
mov dword [eax + 0xc], esi
mov edx, esi
shr edx, 0x10
and edx, 0xff
mov edx, dword [edx*4 + 0x5077c8]
xor edx, 0x1000000
mov edi, esi
shr edi, 8
and edi, 0xff
mov edi, dword [edi*4 + 0x507bc8]
and edi, 0xff0000
and edx, 0xff000000
xor edx, edi
mov edi, esi
shr edi, 0x18
movzx edi, byte [edi*4 + 0x5073c8]
xor edx, edi
mov edi, esi
and edi, 0xff
mov edi, dword [edi*4 + 0x506fc8]
and edi, 0xff00
xor edx, edi
xor edx, dword [eax]
mov edi, dword [ecx]
xor edi, edx
mov dword [eax + 0x10], edx
mov edx, dword [eax + 8]
xor edx, edi
mov dword [eax + 0x18], edx
xor edx, esi
mov dword [eax + 0x14], edi
mov dword [eax + 0x1c], edx
mov esi, 0x5090cc
jmp 0x48d510
mov edx, dword [ecx + 0x18]
add ecx, 0x10
mov eax, edx
shr eax, 8
mov edi, edx
and eax, 0xff
mov eax, dword [eax*4 + 0x507bc8]
shr edi, 0x10
and edi, 0xff
mov edi, dword [edi*4 + 0x5077c8]
and eax, 0xff0000
and edi, 0xff000000
xor eax, edi
mov edi, edx
and edx, 0xff
mov edx, dword [edx*4 + 0x506fc8]
shr edi, 0x18
movzx edi, byte [edi*4 + 0x5073c8]
xor eax, edi
and edx, 0xff00
xor eax, edx
xor eax, dword [ecx - 4]
add esi, 4
xor eax, dword [esi - 4]
mov dword [ecx + 0xc], eax
mov edx, dword [ecx]
xor edx, eax
mov dword [ecx + 0x10], edx
mov eax, dword [ecx + 4]
xor eax, edx
mov dword [ecx + 0x14], eax
mov edx, dword [ecx + 8]
xor edx, eax
mov dword [ecx + 0x18], edx
cmp esi, 0x5090f0
jne 0x48d510
pop edi
xor eax, eax
pop esi
ret
or eax, 0xffffffff
pop esi
ret
Function at 0x48fad0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
push esi
mov esi, eax
xor ebx, ebx
push edi
mov dword [ebp - 4], 0
mov dword [esi + 0x6af80], 2
cmp dword [esi + 0x6af90], ebx
je 0x48fcef
lea ebx, [ebx]
cmp dword [esi + 0x6af90], 3
jb 0x48fb57
mov ecx, dword [esi + 0x6af84]
movzx eax, byte [ecx + esi + 0x1af72]
mov edx, dword [esi + 0x6af7c]
shl edx, 5
xor eax, edx
and eax, 0x7fff
mov dword [esi + 0x6af7c], eax
mov eax, dword [esi + eax*4 + 0x4af70]
and ecx, 0x7fff
mov dword [esi + ecx*4 + 0x2af70], eax
mov ecx, dword [esi + 0x6af84]
mov dword [ebp - 4], eax
mov eax, dword [esi + 0x6af7c]
mov dword [esi + eax*4 + 0x4af70], ecx
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x48fb97
mov edx, dword [esi + 0x6af84]
sub edx, ecx
cmp edx, 0x7efa
ja 0x48fb97
mov eax, dword [esi + 0x6af90]
cmp dword [esi + 0x6afa0], eax
jbe 0x48fb82
mov dword [esi + 0x6afa0], eax
mov eax, ecx
call fcn.0048f7e0
mov ebx, eax
mov eax, dword [esi + 0x6af90]
cmp ebx, eax
jbe 0x48fb97
mov ebx, eax
mov eax, dword [esi + 0x6af84]
mov ecx, esi
cmp ebx, 3
jb 0x48fc7c
sub eax, dword [esi + 0x6af88]
lea edx, [ebx - 3]
call fcn.0048efd0
sub dword [esi + 0x6af90], ebx
mov ecx, dword [esi + 0x6af90]
mov dword [ebp - 8], eax
cmp ebx, dword [esi + 0x6af98]
ja 0x48fc44
cmp ecx, 3
jb 0x48fc44
mov edi, 1
sub ebx, edi
lea esp, [esp]
add dword [esi + 0x6af84], edi
mov edx, dword [esi + 0x6af84]
movzx ecx, byte [esi + edx + 0x1af72]
mov eax, dword [esi + 0x6af7c]
shl eax, 5
xor ecx, eax
and ecx, 0x7fff
mov dword [esi + 0x6af7c], ecx
mov ecx, dword [esi + ecx*4 + 0x4af70]
and edx, 0x7fff
sub ebx, edi
mov dword [esi + edx*4 + 0x2af70], ecx
mov edx, dword [esi + 0x6af84]
mov dword [ebp - 4], ecx
mov ecx, dword [esi + 0x6af7c]
mov dword [esi + ecx*4 + 0x4af70], edx
jne 0x48fbe0
add dword [esi + 0x6af84], edi
mov eax, dword [ebp - 8]
jmp 0x48fc97
add dword [esi + 0x6af84], ebx
mov ecx, dword [esi + 0x6af84]
lea edx, [ecx + esi]
movzx ecx, byte [edx + 0x1af70]
mov dword [esi + 0x6af7c], ecx
movzx edx, byte [edx + 0x1af71]
shl ecx, 5
xor edx, ecx
xor ebx, ebx
and edx, 0x7fff
mov dword [esi + 0x6af7c], edx
jmp 0x48fc97
movzx edx, byte [eax + esi + 0x1af70]
xor eax, eax
call fcn.0048efd0
dec dword [esi + 0x6af90]
inc dword [esi + 0x6af84]
test eax, eax
je 0x48fcd1
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x48fcae
lea edx, [ecx + esi + 0x1af70]
jmp 0x48fcb0
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
xor edi, edi
mov ecx, esi
call fcn.0048ee30
mov ecx, dword [esi + 0x6af84]
add esp, 4
mov dword [esi + 0x6af74], ecx
cmp dword [esi + 0x6af90], 0x106
jae 0x48fce2
call fcn.0048f980
cmp dword [esi + 0x6af90], 0
jne 0x48fb00
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x48fd02
lea edx, [ecx + esi + 0x1af70]
jmp 0x48fd04
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
mov edi, 1
mov ecx, esi
call fcn.0048ee30
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4909b0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test ecx, ecx
jne 0x4909b7
xor eax, eax
ret
push esi
not eax
cmp edx, 8
jb 0x490a94
mov esi, edx
shr esi, 3
push edi
lea esp, [esp]
movzx edi, byte [ecx]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x506bc8]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x506bc8]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x506bc8]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x506bc8]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x506bc8]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x506bc8]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x506bc8]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x506bc8]
inc ecx
sub edx, 8
sub esi, 1
jne 0x4909d0
pop edi
test edx, edx
je 0x490abb
jmp 0x490aa0
movzx esi, byte [ecx]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x506bc8]
inc ecx
sub edx, 1
jne 0x490aa0
not eax
pop esi
ret

Function at 0x490ac0
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov eax, dword [edx]
movsx ecx, cl
xor ecx, eax
shr eax, 8
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x506bc8]
xor ecx, eax
movzx eax, cl
add eax, dword [edx + 4]
mov dword [edx], ecx
mov ecx, dword [edx + 8]
imul eax, eax, 0x8088405
inc eax
mov dword [edx + 4], eax
shr eax, 0x18
xor eax, ecx
and eax, 0xff
shr ecx, 8
xor ecx, dword [eax*4 + 0x506bc8]
mov dword [edx + 8], ecx
ret
Function at 0x490c50
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
push ebx
push esi
mov esi, eax
push edi
lea eax, [ebp - 0x4c]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x490c76
mov eax, 0x200
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 0x4c]
mov edx, eax
xor edi, edi
and edx, 1
je 0x490c8c
mov dword [ebp - 8], 1
mov edi, dword [ebp - 8]
test al, 2
je 0x490c93
or edi, 2
test al, 4
je 0x490c9a
or edi, 4
mov ecx, eax
and ecx, 0x10
je 0x490ca4
or edi, 0x10
test al, 0x20
je 0x490cab
or edi, 0x20
test ecx, ecx
je 0x490cb7
or edi, 0x40000000
jmp 0x490cbd
or edi, 0x80000000
or edi, 0x1000000
mov dword [ebp - 8], edi
test edx, edx
jne 0x490cd3
or edi, 0x800000
mov dword [ebp - 8], edi
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x10], eax
cmp eax, 0x28
jbe 0x490d7a
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
push 0
push 0
push esi
call edi
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
push 0
lea ecx, [ebp - 0xc]
push ecx
push 2
lea edx, [ebp - 4]
push edx
push esi
call ebx
push 0
push 0
push 0x24
push esi
call edi
push 0
lea eax, [ebp - 0xc]
push eax
push 4
lea ecx, [ebp - 0x14]
push ecx
push esi
call ebx
mov edx, 0x54ad
cmp word [ebp - 4], dx
jne 0x490d77
mov eax, dword [ebp - 0x14]
lea ecx, [eax + 0x34]
cmp dword [ebp - 0x10], ecx
jbe 0x490d77
push 0
push 0
push eax
push esi
call edi
push 0
lea edx, [ebp - 0xc]
push edx
push 4
lea eax, [ebp - 0x18]
push eax
push esi
call ebx
mov eax, dword [ebp - 0x18]
cmp eax, 0x5a4d
je 0x490d70
cmp eax, 0x454e
je 0x490d70
cmp eax, 0x454c
je 0x490d70
cmp eax, 0x4550
jne 0x490d77
or dword [ebp - 8], 0x400000
mov edi, dword [ebp - 8]
mov eax, dword [ebp + 8]
test eax, eax
je 0x490d83
mov dword [eax], edi
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x490d8f
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov esi, dword [ebp + 0x10]
mov edi, dword [ebp - 0x34]
mov ebx, dword [ebp - 0x38]
test esi, esi
je 0x490e09
mov edx, dword [ebp - 0x40]
mov eax, dword [ebp - 0x3c]
push 0
sub edx, 0xd53e8000
push 0x989680
sbb eax, 0x19db1de
push eax
push edx
call fcn.004bf620
mov dword [esi + 4], edx
push 0
mov ecx, ebx
sub ecx, 0xd53e8000
mov edx, edi
push 0x989680
sbb edx, 0x19db1de
push edx
push ecx
mov dword [esi], eax
call fcn.004bf620
mov ecx, dword [ebp - 0x44]
mov dword [esi + 8], eax
mov eax, dword [ebp - 0x48]
push 0
sub eax, 0xd53e8000
push 0x989680
sbb ecx, 0x19db1de
push ecx
push eax
mov dword [esi + 0xc], edx
call fcn.004bf620
mov dword [esi + 0x10], eax
mov dword [esi + 0x14], edx
mov esi, dword [ebp + 0x14]
test esi, esi
je 0x490e31
push edi
push ebx
lea edx, [ebp - 8]
push edx
lea eax, [ebp - 4]
push eax
call fcn.00490bf0
movzx ecx, word [ebp - 4]
movzx edx, word [ebp - 8]
shl ecx, 0x10
add esp, 0x10
or ecx, edx
mov dword [esi], ecx
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x490ee0
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg
Hash data with crc32
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, ecx
cmp byte [esi + 0x2d], 0
push edi
mov edi, dword [ebp + 0xc]
mov eax, ebx
je 0x490fcb
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x490f17
cmp dword [esi + 0x40], edi
jae 0x490f17
push eax
call fcn.004a9c01
add esp, 4
mov dword [esi + 0x3c], 0
cmp dword [esi + 0x3c], 0
jne 0x490f2f
lea eax, [edi + edi]
push eax
call fcn.004a9c0c
add esp, 4
mov dword [esi + 0x3c], eax
mov dword [esi + 0x40], edi
mov ecx, dword [esi + 0x3c]
push edi
push ebx
push ecx
call fcn.004b8ca0
add esp, 0xc
xor ebx, ebx
test edi, edi
jbe 0x490fc8
mov edx, dword [esi + 0x3c]
mov cl, byte [ebx + edx]
mov edi, dword [esi + 0x30]
mov byte [ebp + 8], cl
movsx ecx, cl
xor ecx, edi
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x506bc8]
mov dword [ebp - 4], ecx
mov eax, dword [esi + 0x38]
shr edi, 8
xor dword [ebp - 4], edi
mov ecx, dword [ebp - 4]
mov dword [esi + 0x30], ecx
movzx ecx, cl
add ecx, dword [esi + 0x34]
mov edx, eax
imul ecx, ecx, 0x8088405
inc ecx
mov dword [esi + 0x34], ecx
shr ecx, 0x18
xor ecx, eax
shr eax, 8
and ecx, 0xff
xor eax, dword [ecx*4 + 0x506bc8]
and edx, 0xfffd
mov dword [esi + 0x38], eax
mov ecx, dword [esi + 0x3c]
or edx, 2
mov eax, edx
xor eax, 1
imul eax, edx
shr eax, 8
xor al, byte [ebp + 8]
inc ebx
mov byte [ebx + ecx - 1], al
cmp ebx, dword [ebp + 0xc]
jb 0x490f47
mov edi, dword [ebp + 0xc]
mov eax, dword [esi + 0x3c]
mov edx, dword [esi + 0x20]
test edx, edx
je 0x49100a
mov ecx, dword [esi + 0x24]
lea ebx, [ecx + edi]
cmp ebx, dword [esi + 0x28]
jb 0x490fef
pop edi
mov dword [esi + 0x14], 0x30000
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 8
push edi
push eax
add ecx, edx
push ecx
call fcn.004b8ca0
add esp, 0xc
add dword [esi + 0x24], edi
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
mov ecx, dword [esi + 4]
test ecx, ecx
je 0x49102c
push 0
lea edx, [ebp + 0xc]
push edx
push edi
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [ebp + 0xc]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
pop edi
mov dword [esi + 0x14], 0x1000000
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x4912e0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
mov ecx, dword [esi + 0x84]
push edi
test ecx, ecx
je 0x491333
mov eax, dword [esi + 0x8c]
mov edi, dword [esi + 0x88]
cmp eax, edi
jae 0x491370
sub edi, eax
cmp edi, edx
jbe 0x491307
mov edi, edx
push edi
add eax, ecx
push eax
push ebx
call fcn.004b8ca0
mov eax, dword [esi + 0x78]
add dword [esi + 0x8c], edi
add dword [esi + 0x74], edi
add esp, 0xc
mov edx, edi
mov ecx, ebx
call fcn.004909b0
mov dword [esi + 0x78], eax
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x7c]
test eax, eax
je 0x491369
push 0
lea ecx, [ebp - 4]
push ecx
push edx
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x491370
mov edi, dword [ebp - 4]
mov eax, dword [esi + 0x78]
add dword [esi + 0x74], edi
mov edx, edi
mov ecx, ebx
call fcn.004909b0
mov dword [esi + 0x78], eax
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
mov dword [esi + 0x14], 0x1000000
xor eax, eax
pop edi
mov esp, ebp
pop ebp
ret
Function at 0x494ff0
Capabilities:
Encode data using xor

Disassembly:
or edx, 0xffffffff
cmp dword [0x528c6c], 0
jne 0x495001
call fcn.00494f50
xor eax, eax
test esi, esi
jle 0x49502b
jmp 0x495010
movzx ecx, byte [eax + edi]
xor ecx, edx
and ecx, 0xff
shr edx, 8
xor edx, dword [ecx*4 + 0x5287e0]
inc eax
cmp eax, esi
jl 0x495010
mov eax, edx
ret
Function at 0x495d10
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4dad38
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push esi
push edi
mov eax, dword [0x522f10]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
xor edi, edi
mov dword [ebp - 4], edi
mov eax, dword [esi + 0xc]
cmp eax, edi
jne 0x495d80
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x495d6b
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [ebp + 8]
push edi
push edi
push 0x84000000
push edi
push ecx
push eax
call dword [sym.imp.WININET.dll_InternetOpenUrlW]
push ecx
mov edx, esp
mov dword [ebp - 0x14], esp
push eax
mov dword [esi + 0x10], eax
mov eax, dword [ebp + 8]
push eax
push str.CHttpRemoteFile::SetLocation:_InternetOpenUrl__s__d
push edx
call fcn.0046aaf0
add esp, 0x10
call fcn.00495ca0
mov esi, dword [esi + 0x10]
add esp, 4
cmp esi, edi
je 0x495df0
push edi
lea ecx, [ebp - 0x14]
push ecx
lea edx, [ebp - 0x10]
push edx
push 0x20000013
push esi
mov dword [ebp - 0x10], edi
mov dword [ebp - 0x14], 4
call dword [sym.imp.WININET.dll_HttpQueryInfoW]
test eax, eax
mov eax, dword [ebp - 0x10]
je 0x495e2b
cmp eax, 0xc8
jne 0x495e2b
mov edi, 1
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x495e16
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret 4
push ecx
mov ecx, esp
mov dword [ebp - 0x18], esp
push eax
push str.CHttpRemoteFile::SetLocation:_return_code:__d
push ecx
call fcn.0046aaf0
add esp, 0xc
call fcn.00495ca0
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
add esp, 4
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jmp 0x495d5f

Function at 0x495e70
Capabilities:
Get http content length

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 8]
push 0
lea edx, [ebp - 4]
push edx
push eax
mov dword [eax], 0
mov eax, dword [ecx + 0x10]
push 0x20000005
push eax
mov dword [ebp - 4], 4
call dword [sym.imp.WININET.dll_HttpQueryInfoW]
test eax, eax
je 0x495ea9
mov eax, 1
mov esp, ebp
pop ebp
ret 4
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor eax, eax
mov esp, ebp
pop ebp
ret 4
Function at 0x495f60
Capabilities:
Read data from internet
Receive data

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
xor edi, edi
push 0x4000
mov ebx, ecx
mov dword [ebp - 4], edi
call fcn.004b9282
mov ecx, dword [ebx + 0x10]
add esp, 4
mov esi, eax
lea eax, [ebp - 4]
push eax
push 0x4000
push esi
push ecx
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
je 0x495fee
mov eax, dword [ebp - 4]
add edi, eax
cmp eax, 0x4000
jne 0x495fde
lea edx, [edi + 0x4000]
push edx
push esi
call fcn.004b94ee
mov edx, dword [ebx + 0x10]
add esp, 8
mov esi, eax
lea eax, [ebp - 4]
push eax
push 0x4000
lea ecx, [esi + edi]
push ecx
push edx
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
jne 0x495f95
mov eax, dword [ebp + 8]
mov dword [eax], esi
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [ebp + 8]
mov eax, edi
pop edi
mov dword [ecx], esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov edx, dword [ebp + 8]
mov eax, edi
pop edi
mov dword [edx], esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4