joyce8/EMBER2024-capa huggingface dataset:
Function at 0x483870
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4d0b38
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push ebx
push esi
push edi
mov eax, dword [0x50ac94]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
xor ebx, ebx
push ebx
push ebx
push 3
push ebx
push 7
mov dword [ebp - 4], ebx
mov eax, dword [ebp + 0xc]
push 0x120089
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
jne 0x48391a
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edx, dword [ebp + 0xc]
push ecx
mov ecx, esp
mov dword [ebp + 0x14], esp
push eax
push edx
push str.AddFileName:_cannot_open__s__LE_d
push ecx
call fcn.00468700
add esp, 0x10
call fcn.00483340
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 0xc]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x483904
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
pop ebx
mov esp, ebp
pop ebp
ret 0x10
lea ecx, [ebp - 0x10]
push ecx
push edi
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x10], ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, dword [ebp - 0x10]
cmp esi, ebx
mov dword [ebp - 0x18], eax
jl 0x48399f
jg 0x48393b
cmp eax, ebx
jbe 0x48399f
push ebx
push ebx
push ebx
push 2
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov ebx, eax
test ebx, ebx
jne 0x48397e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ecx
mov edx, esp
mov dword [ebp + 0x14], esp
push eax
mov eax, dword [ebp + 0xc]
push eax
push str.AddFileName:_cannot_map__s__LE_d
push edx
call fcn.00468700
add esp, 0x10
call fcn.00483340
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x4838de
mov ecx, dword [ebp - 0x18]
mov edx, dword [ebp + 0x14]
mov eax, dword [ebp + 0x10]
push esi
mov esi, dword [ebp + 8]
push ecx
push edx
push eax
push ebx
call fcn.004835f0
push ebx
mov esi, eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x4839c8
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edx, dword [ebp + 0xc]
push ecx
mov ecx, esp
mov dword [ebp + 0x14], esp
push eax
push edx
push str.AddFileName:_adding_0_bytes_file__s__LE_d
push ecx
call fcn.00468700
add esp, 0x10
call fcn.00483340
mov esi, 1
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 0xc]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4839f5
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
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 0x10
Function at 0x487af0
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 0x487b89
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 [0x50feb0], eax
call esi
push str.NtOpenSymbolicLinkObject
push edi
mov dword [0x50fee8], eax
call esi
push str.NtQuerySymbolicLinkObject
push edi
mov dword [0x50feec], eax
call esi
push str.ZwClose
push edi
mov dword [0x50fef0], eax
call esi
push 0x68
push 0xff
push 0x5102d8
mov dword [0x50fee4], eax
call fcn.004aefb0
mov esi, dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
add esp, 0xc
push 0x5102c0
call esi
push 0x5102a4
call esi
mov dword [0x50feac], 1
pop edi
pop esi
ret
Function at 0x489ad0
Capabilities:
Get file version info

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cc188
mov eax, dword fs:[0]
push eax
push ecx
push esi
push edi
mov eax, dword [0x50ac94]
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 0x489b71
push esi
call fcn.0049f8a9
mov edi, eax
add esp, 4
test edi, edi
je 0x489b71
mov edx, dword [ebp + 8]
push edi
push esi
push 0
push edx
call sub.VERSION.dll_GetFileVersionInfoW
test eax, eax
je 0x489b68
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 0x489b55
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.0049f8b4
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 0x489b97
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 0x48ba60
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cf94a
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push ebx
push esi
push edi
mov eax, dword [0x50ac94]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 0xc]
push 0x4f76f4
xor esi, esi
push eax
mov dword [ebp - 0x18], esi
call fcn.004b2ecd
mov ebx, eax
add esp, 8
cmp ebx, esi
jne 0x48bac8
mov ecx, dword [0x5103a8]
mov eax, dword [ebp + 8]
mov dword [eax], ecx
cmp ecx, esi
je 0x48bab6
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.004b3651
add esp, 0xc
push ebx
call fcn.004b3522
mov edi, eax
add esp, 4
mov dword [ebp - 0x10], esi
cmp edi, esi
jne 0x48bb19
push ebx
call fcn.004b374d
mov edx, dword [0x5103a8]
mov eax, dword [ebp + 8]
mov ecx, edx
add esp, 4
mov dword [eax], edx
cmp ecx, esi
je 0x48bc39
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.004b3651
lea eax, [edi + 4]
add esp, 0xc
push eax
call fcn.004aeee2
add esp, 4
push ebx
push edi
mov esi, eax
push 1
push esi
call fcn.004b3184
push ebx
mov edi, eax
call fcn.004b374d
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 0x48bbab
cmp byte [esi], 0xef
mov eax, 2
jne 0x48bb86
cmp byte [esi + 1], 0xbb
jne 0x48bb86
cmp byte [esi + 2], 0xbf
jne 0x48bb86
lea ecx, [eax + 1]
lea eax, [ecx - 2]
jmp 0x48bb89
mov ecx, dword [ebp - 0x10]
push eax
lea ebx, [esi + ecx]
call fcn.0048a1f0
add esp, 4
push esi
mov edi, eax
call fcn.004aedc5
add esp, 4
mov esi, edi
mov dword [ebp - 0x10], 0
jmp 0x48bbcf
mov al, byte [esi]
cmp al, 0xef
jne 0x48bbbe
cmp byte [esi + 1], 0xff
jne 0x48bbbe
mov dword [ebp - 0x10], 2
cmp al, 0xff
jne 0x48bbcf
cmp byte [esi + 1], 0xfe
jne 0x48bbcf
mov dword [ebp - 0x10], 2
test esi, esi
jne 0x48bbf7
mov ecx, dword [0x5103a8]
mov eax, dword [ebp + 8]
mov dword [eax], ecx
test ecx, ecx
je 0x48bc39
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.0048b880
push esi
call fcn.004aedc5
mov eax, dword [ebp - 0x14]
mov esi, dword [ebp + 8]
add esp, 0xc
mov dword [esi], eax
test eax, eax
je 0x48bc20
inc dword [eax + 0x30]
lea ecx, [ebp - 0x14]
mov dword [ebp - 4], 0
push ecx
mov dword [ebp - 0x18], 1
call fcn.0048c2d0
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 0x48d510
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [edi + 8]
sub esp, 8
test eax, eax
je 0x48d603
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.0048cf30
mov ebx, eax
mov eax, esi
mov dword [ebp - 4], 0
call fcn.0048cf10
xor edx, edx
cmp dx, word [eax]
jae 0x48d5ec
mov esi, dword [ebp - 8]
lea ebx, [ebx]
cmp dword [ebp - 4], 0
jne 0x48d58e
mov eax, dword [edi + 8]
push 5
push eax
jmp 0x48d591
push 2
push esi
call dword [sym.imp.USER32.dll_GetWindow]
mov esi, eax
test esi, esi
je 0x48d5ec
lea ecx, [ecx]
push esi
call dword [sym.imp.USER32.dll_GetDlgCtrlID]
cmp eax, dword [ebx + 0x14]
je 0x48d5bd
push 2
push esi
call dword [sym.imp.USER32.dll_GetWindow]
mov esi, eax
test esi, esi
jne 0x48d5a0
jmp 0x48d5ec
test esi, esi
je 0x48d5ec
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.0048cfd0
inc dword [ebp - 4]
mov ebx, eax
mov eax, dword [ebp - 8]
call fcn.0048cf10
movzx edx, word [eax]
cmp dword [ebp - 4], edx
jl 0x48d580
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 0x48f090
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 0x48f2af
lea ebx, [ebx]
cmp dword [esi + 0x6af90], 3
jb 0x48f117
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 0x48f157
mov edx, dword [esi + 0x6af84]
sub edx, ecx
cmp edx, 0x7efa
ja 0x48f157
mov eax, dword [esi + 0x6af90]
cmp dword [esi + 0x6afa0], eax
jbe 0x48f142
mov dword [esi + 0x6afa0], eax
mov eax, ecx
call fcn.0048eda0
mov ebx, eax
mov eax, dword [esi + 0x6af90]
cmp ebx, eax
jbe 0x48f157
mov ebx, eax
mov eax, dword [esi + 0x6af84]
mov ecx, esi
cmp ebx, 3
jb 0x48f23c
sub eax, dword [esi + 0x6af88]
lea edx, [ebx - 3]
call fcn.0048e590
sub dword [esi + 0x6af90], ebx
mov ecx, dword [esi + 0x6af90]
mov dword [ebp - 8], eax
cmp ebx, dword [esi + 0x6af98]
ja 0x48f204
cmp ecx, 3
jb 0x48f204
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 0x48f1a0
add dword [esi + 0x6af84], edi
mov eax, dword [ebp - 8]
jmp 0x48f257
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 0x48f257
movzx edx, byte [eax + esi + 0x1af70]
xor eax, eax
call fcn.0048e590
dec dword [esi + 0x6af90]
inc dword [esi + 0x6af84]
test eax, eax
je 0x48f291
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x48f26e
lea edx, [ecx + esi + 0x1af70]
jmp 0x48f270
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
xor edi, edi
mov ecx, esi
call fcn.0048e3f0
mov ecx, dword [esi + 0x6af84]
add esp, 4
mov dword [esi + 0x6af74], ecx
cmp dword [esi + 0x6af90], 0x106
jae 0x48f2a2
call fcn.0048ef40
cmp dword [esi + 0x6af90], 0
jne 0x48f0c0
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x48f2c2
lea edx, [ecx + esi + 0x1af70]
jmp 0x48f2c4
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
mov edi, 1
mov ecx, esi
call fcn.0048e3f0
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x48ff70
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test ecx, ecx
jne 0x48ff77
xor eax, eax
ret
push esi
not eax
cmp edx, 8
jb 0x490054
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 + 0x4f5320]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x4f5320]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x4f5320]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4f5320]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4f5320]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4f5320]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4f5320]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4f5320]
inc ecx
sub edx, 8
sub esi, 1
jne 0x48ff90
pop edi
test edx, edx
je 0x49007b
jmp 0x490060
movzx esi, byte [ecx]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x4f5320]
inc ecx
sub edx, 1
jne 0x490060
not eax
pop esi
ret

Function at 0x490080
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 + 0x4f5320]
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 + 0x4f5320]
mov dword [edx + 8], ecx
ret
Function at 0x490210
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 0x490236
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 0x49024c
mov dword [ebp - 8], 1
mov edi, dword [ebp - 8]
test al, 2
je 0x490253
or edi, 2
test al, 4
je 0x49025a
or edi, 4
mov ecx, eax
and ecx, 0x10
je 0x490264
or edi, 0x10
test al, 0x20
je 0x49026b
or edi, 0x20
test ecx, ecx
je 0x490277
or edi, 0x40000000
jmp 0x49027d
or edi, 0x80000000
or edi, 0x1000000
mov dword [ebp - 8], edi
test edx, edx
jne 0x490293
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 0x49033a
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 0x490337
mov eax, dword [ebp - 0x14]
lea ecx, [eax + 0x34]
cmp dword [ebp - 0x10], ecx
jbe 0x490337
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 0x490330
cmp eax, 0x454e
je 0x490330
cmp eax, 0x454c
je 0x490330
cmp eax, 0x4550
jne 0x490337
or dword [ebp - 8], 0x400000
mov edi, dword [ebp - 8]
mov eax, dword [ebp + 8]
test eax, eax
je 0x490343
mov dword [eax], edi
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x49034f
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 0x4903c9
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.004b4bf0
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.004b4bf0
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.004b4bf0
mov dword [esi + 0x10], eax
mov dword [esi + 0x14], edx
mov esi, dword [ebp + 0x14]
test esi, esi
je 0x4903f1
push edi
push ebx
lea edx, [ebp - 8]
push edx
lea eax, [ebp - 4]
push eax
call fcn.004901b0
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 0x4904a0
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 0x49058b
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x4904d7
cmp dword [esi + 0x40], edi
jae 0x4904d7
push eax
call fcn.0049f8b4
add esp, 4
mov dword [esi + 0x3c], 0
cmp dword [esi + 0x3c], 0
jne 0x4904ef
lea eax, [edi + edi]
push eax
call fcn.0049f8a9
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.004ae900
add esp, 0xc
xor ebx, ebx
test edi, edi
jbe 0x490588
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 + 0x4f5320]
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 + 0x4f5320]
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 0x490507
mov edi, dword [ebp + 0xc]
mov eax, dword [esi + 0x3c]
mov edx, dword [esi + 0x20]
test edx, edx
je 0x4905ca
mov ecx, dword [esi + 0x24]
lea ebx, [ecx + edi]
cmp ebx, dword [esi + 0x28]
jb 0x4905af
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.004ae900
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 0x4905ec
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 0x4908a0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
mov ecx, dword [esi + 0x84]
push edi
test ecx, ecx
je 0x4908f3
mov eax, dword [esi + 0x8c]
mov edi, dword [esi + 0x88]
cmp eax, edi
jae 0x490930
sub edi, eax
cmp edi, edx
jbe 0x4908c7
mov edi, edx
push edi
add eax, ecx
push eax
push ebx
call fcn.004ae900
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.0048ff70
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 0x490929
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 0x490930
mov edi, dword [ebp - 4]
mov eax, dword [esi + 0x78]
add dword [esi + 0x74], edi
mov edx, edi
mov ecx, ebx
call fcn.0048ff70
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 0x493720
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cf838
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push esi
push edi
mov eax, dword [0x50ac94]
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 0x493790
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 0x49377b
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.00468700
add esp, 0x10
call fcn.004936b0
mov esi, dword [esi + 0x10]
add esp, 4
cmp esi, edi
je 0x493800
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 0x49383b
cmp eax, 0xc8
jne 0x49383b
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 0x493826
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.00468700
add esp, 0xc
call fcn.004936b0
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 0x49376f

Function at 0x493880
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 0x4938b9
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