joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4904b0
Capabilities:
Encode data using xor
Encrypt data using aes

Disassembly:
push esi
mov esi, ecx
test esi, esi
je 0x49064e
test eax, eax
je 0x49064e
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 + 0x50aee8]
xor edx, 0x1000000
mov edi, esi
shr edi, 8
and edi, 0xff
mov edi, dword [edi*4 + 0x50b2e8]
and edi, 0xff0000
and edx, 0xff000000
xor edx, edi
mov edi, esi
shr edi, 0x18
movzx edi, byte [edi*4 + 0x50aae8]
xor edx, edi
mov edi, esi
and edi, 0xff
mov edi, dword [edi*4 + 0x50a6e8]
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, 0x50c7ec
jmp 0x4905c0
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 + 0x50b2e8]
shr edi, 0x10
and edi, 0xff
mov edi, dword [edi*4 + 0x50aee8]
and eax, 0xff0000
and edi, 0xff000000
xor eax, edi
mov edi, edx
and edx, 0xff
mov edx, dword [edx*4 + 0x50a6e8]
shr edi, 0x18
movzx edi, byte [edi*4 + 0x50aae8]
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, 0x50c810
jne 0x4905c0
pop edi
xor eax, eax
pop esi
ret
or eax, 0xffffffff
pop esi
ret
Function at 0x492b80
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 0x492d9f
lea ebx, [ebx]
cmp dword [esi + 0x6af90], 3
jb 0x492c07
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 0x492c47
mov edx, dword [esi + 0x6af84]
sub edx, ecx
cmp edx, 0x7efa
ja 0x492c47
mov eax, dword [esi + 0x6af90]
cmp dword [esi + 0x6afa0], eax
jbe 0x492c32
mov dword [esi + 0x6afa0], eax
mov eax, ecx
call fcn.00492890
mov ebx, eax
mov eax, dword [esi + 0x6af90]
cmp ebx, eax
jbe 0x492c47
mov ebx, eax
mov eax, dword [esi + 0x6af84]
mov ecx, esi
cmp ebx, 3
jb 0x492d2c
sub eax, dword [esi + 0x6af88]
lea edx, [ebx - 3]
call fcn.00492080
sub dword [esi + 0x6af90], ebx
mov ecx, dword [esi + 0x6af90]
mov dword [ebp - 8], eax
cmp ebx, dword [esi + 0x6af98]
ja 0x492cf4
cmp ecx, 3
jb 0x492cf4
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 0x492c90
add dword [esi + 0x6af84], edi
mov eax, dword [ebp - 8]
jmp 0x492d47
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 0x492d47
movzx edx, byte [eax + esi + 0x1af70]
xor eax, eax
call fcn.00492080
dec dword [esi + 0x6af90]
inc dword [esi + 0x6af84]
test eax, eax
je 0x492d81
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x492d5e
lea edx, [ecx + esi + 0x1af70]
jmp 0x492d60
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
xor edi, edi
mov ecx, esi
call fcn.00491ee0
mov ecx, dword [esi + 0x6af84]
add esp, 4
mov dword [esi + 0x6af74], ecx
cmp dword [esi + 0x6af90], 0x106
jae 0x492d92
call fcn.00492a30
cmp dword [esi + 0x6af90], 0
jne 0x492bb0
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x492db2
lea edx, [ecx + esi + 0x1af70]
jmp 0x492db4
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
mov edi, 1
mov ecx, esi
call fcn.00491ee0
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x493a60
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test ecx, ecx
jne 0x493a67
xor eax, eax
ret
push esi
not eax
cmp edx, 8
jb 0x493b44
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 + 0x50a2e8]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x50a2e8]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x50a2e8]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x50a2e8]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x50a2e8]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x50a2e8]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x50a2e8]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x50a2e8]
inc ecx
sub edx, 8
sub esi, 1
jne 0x493a80
pop edi
test edx, edx
je 0x493b6b
jmp 0x493b50
movzx esi, byte [ecx]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x50a2e8]
inc ecx
sub edx, 1
jne 0x493b50
not eax
pop esi
ret

Function at 0x493b70
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 + 0x50a2e8]
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 + 0x50a2e8]
mov dword [edx + 8], ecx
ret
Function at 0x493d00
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 0x493d26
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 0x493d3c
mov dword [ebp - 8], 1
mov edi, dword [ebp - 8]
test al, 2
je 0x493d43
or edi, 2
test al, 4
je 0x493d4a
or edi, 4
mov ecx, eax
and ecx, 0x10
je 0x493d54
or edi, 0x10
test al, 0x20
je 0x493d5b
or edi, 0x20
test ecx, ecx
je 0x493d67
or edi, 0x40000000
jmp 0x493d6d
or edi, 0x80000000
or edi, 0x1000000
mov dword [ebp - 8], edi
test edx, edx
jne 0x493d83
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 0x493e2a
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 0x493e27
mov eax, dword [ebp - 0x14]
lea ecx, [eax + 0x34]
cmp dword [ebp - 0x10], ecx
jbe 0x493e27
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 0x493e20
cmp eax, 0x454e
je 0x493e20
cmp eax, 0x454c
je 0x493e20
cmp eax, 0x4550
jne 0x493e27
or dword [ebp - 8], 0x400000
mov edi, dword [ebp - 8]
mov eax, dword [ebp + 8]
test eax, eax
je 0x493e33
mov dword [eax], edi
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x493e3f
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 0x493eb9
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.004c26f0
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.004c26f0
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.004c26f0
mov dword [esi + 0x10], eax
mov dword [esi + 0x14], edx
mov esi, dword [ebp + 0x14]
test esi, esi
je 0x493ee1
push edi
push ebx
lea edx, [ebp - 8]
push edx
lea eax, [ebp - 4]
push eax
call fcn.00493ca0
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 0x493f90
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 0x49407b
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x493fc7
cmp dword [esi + 0x40], edi
jae 0x493fc7
push eax
call fcn.004accd1
add esp, 4
mov dword [esi + 0x3c], 0
cmp dword [esi + 0x3c], 0
jne 0x493fdf
lea eax, [edi + edi]
push eax
call fcn.004accdc
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.004bbd70
add esp, 0xc
xor ebx, ebx
test edi, edi
jbe 0x494078
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 + 0x50a2e8]
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 + 0x50a2e8]
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 0x493ff7
mov edi, dword [ebp + 0xc]
mov eax, dword [esi + 0x3c]
mov edx, dword [esi + 0x20]
test edx, edx
je 0x4940ba
mov ecx, dword [esi + 0x24]
lea ebx, [ecx + edi]
cmp ebx, dword [esi + 0x28]
jb 0x49409f
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.004bbd70
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 0x4940dc
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 0x494390
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
mov ecx, dword [esi + 0x84]
push edi
test ecx, ecx
je 0x4943e3
mov eax, dword [esi + 0x8c]
mov edi, dword [esi + 0x88]
cmp eax, edi
jae 0x494420
sub edi, eax
cmp edi, edx
jbe 0x4943b7
mov edi, edx
push edi
add eax, ecx
push eax
push ebx
call fcn.004bbd70
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.00493a60
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 0x494419
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 0x494420
mov edi, dword [ebp - 4]
mov eax, dword [esi + 0x78]
add dword [esi + 0x74], edi
mov edx, edi
mov ecx, ebx
call fcn.00493a60
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 0x4980c0
Capabilities:
Encode data using xor

Disassembly:
or edx, 0xffffffff
cmp dword [0x52cc6c], 0
jne 0x4980d1
call fcn.00498020
xor eax, eax
test esi, esi
jle 0x4980fb
jmp 0x4980e0
movzx ecx, byte [eax + edi]
xor ecx, edx
and ecx, 0xff
shr edx, 8
xor edx, dword [ecx*4 + 0x52c7e0]
inc eax
cmp eax, esi
jl 0x4980e0
mov eax, edx
ret
Function at 0x498de0
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4d98b8
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push esi
push edi
mov eax, dword [0x526f10]
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 0x498e50
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 0x498e3b
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.0046da40
add esp, 0x10
call fcn.00498d70
mov esi, dword [esi + 0x10]
add esp, 4
cmp esi, edi
je 0x498ec0
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 0x498efb
cmp eax, 0xc8
jne 0x498efb
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 0x498ee6
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.0046da40
add esp, 0xc
call fcn.00498d70
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 0x498e2f

Function at 0x498f40
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 0x498f79
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 0x499030
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.004bc352
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 0x4990be
mov eax, dword [ebp - 4]
add edi, eax
cmp eax, 0x4000
jne 0x4990ae
lea edx, [edi + 0x4000]
push edx
push esi
call fcn.004bc5be
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 0x499065
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
Function at 0x4994f0
Capabilities:
Copy file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4de548
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push ebx
push esi
push edi
mov eax, dword [0x526f10]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
xor esi, esi
mov dword [ebp - 4], esi
mov eax, dword [ebp + 8]
mov ecx, dword [ecx + 0xc]
push esi
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
jne 0x49956c
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 0x499556
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 4
mov eax, dword [ebp + 8]
push ecx
add eax, 0xfffffff0
mov dword [ebp - 0x18], esp
mov ebx, esp
mov dword [ebp - 0x10], esi
mov dword [ebp - 0x14], esi
push eax
lea edi, [ebp - 0x14]
lea esi, [ebp - 0x10]
call fcn.00425445
add eax, 0x10
add esp, 4
mov dword [ebx], eax
call fcn.00470a40
add esp, 4
or edx, 0xffffffff
mov dword [ebp - 4], 0xffffffff
test eax, eax
mov eax, dword [ebp + 8]
jne 0x4995da
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x499556
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 4
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4995f3
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x49b7b0
Capabilities:
Enumerate pe sections

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebx + 0x3c]
movzx ecx, word [eax + ebx + 0x14]
add eax, ebx
push esi
push edi
movzx edi, word [eax + 6]
lea edx, [ecx + eax + 0x18]
xor ecx, ecx
mov dword [ebp - 4], edx
test edi, edi
jle 0x49b7f8
lea eax, [edx + 8]
mov edx, dword [eax]
mov esi, edx
test edx, edx
jne 0x49b7df
mov esi, dword [eax + 8]
mov edx, dword [eax + 4]
cmp dword [ebp + 8], edx
jb 0x49b7f0
add esi, edx
mov edx, dword [ebp + 8]
cmp edx, esi
jb 0x49b802
inc ecx
add eax, 0x28
cmp ecx, edi
jl 0x49b7d4
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret 4
lea eax, [ecx + ecx*4]
mov ecx, dword [ebp - 4]
lea ecx, [ecx + eax*8]
mov eax, dword [ecx + 0x14]
sub eax, dword [ecx + 0xc]
pop edi
add eax, ebx
add eax, edx
pop esi
mov esp, ebp
pop ebp
ret 4
Function at 0x49b820
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4d9de3
mov eax, dword fs:[0]
push eax
push ecx
push esi
push edi
mov eax, dword [0x526f10]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, dword [ebp + 8]
mov dword [ebp - 4], 0
lea edi, [esi + 0x20]
call fcn.004ad3ae
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
jne 0x49b86c
push 0x80004005
call fcn.00422000
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
add eax, 0x10
mov dword [edi], eax
lea ecx, [ebp + 0xc]
push ecx
mov byte [ebp - 4], 1
mov ecx, edi
mov dword [esi + 0x38], 0
call fcn.00424edf
mov eax, dword [ebp + 0xc]
xor edi, edi
push edi
push 0x80
push 3
mov edx, ebx
neg edx
sbb edx, edx
push edi
and edx, 0x116
push 1
add edx, 0x120089
push edx
push eax
mov dword [esi], edi
mov dword [esi + 4], edi
mov dword [esi + 0x34], edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [esi], eax
cmp eax, 0xffffffff
jne 0x49b8de
push 0x516fb8
lea ecx, [ebp - 0x10]
push ecx
mov dword [ebp - 0x10], str.Cant_open_file
call fcn.004c223c
push edi
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [esi + 0x28], eax
mov dword [esi + 0x2c], edi
cmp edi, edi
ja 0x49b915
jb 0x49b8f7
cmp eax, 0x40
jae 0x49b915
mov edx, dword [esi]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0x516fb8
lea eax, [ebp - 0x10]
push eax
mov dword [ebp - 0x10], str.Incorrect_PE_file__too_small_
call fcn.004c223c
mov edx, dword [esi]
xor ecx, ecx
cmp ebx, edi
push edi
setne cl
push edi
push edi
lea ecx, [ecx + ecx + 2]
push ecx
push edi
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [esi + 4], eax
cmp eax, edi
jne 0x49b953
mov eax, dword [esi]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0x516fb8
lea ecx, [ebp - 0x10]
push ecx
mov dword [ebp - 0x10], str.Cant_create_file_mapping
call fcn.004c223c
xor edx, edx
cmp ebx, edi
setne dl
push edi
push edi
push edi
lea edx, [edx + edx + 4]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [esi + 0x30], eax
cmp eax, edi
jne 0x49b996
mov eax, dword [esi + 4]
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push eax
call edi
mov ecx, dword [esi]
push ecx
call edi
push 0x516fb8
lea edx, [ebp - 0x10]
push edx
mov dword [ebp - 0x10], str.Cant_create_map_file_view
call fcn.004c223c
mov dword [esi + 0x34], 1
mov dword [esi + 0x38], ebx
call fcn.0049b9e0
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 0x49b9cb
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
mov esp, ebp
pop ebp
ret 8