joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4992b0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov eax, dword [edi + 0x10]
mov ebx, dword [eax]
mov eax, dword [ebp + 0xc]
add eax, 0xfffffffd
cmp eax, 4
ja case.0x4992cd.4
jmp dword [eax*4 + 0x4994e4]
lea eax, [edi + 0x15c]
push eax
call fcn.00498c50
movzx ecx, word [edi + 0x40]
add esp, 4
movzx esi, ax
lea eax, [ecx + 1]
movzx eax, ax
cmp eax, esi
jne 0x4992fd
mov dword [edi + 0x18], 0
jmp 0x499314
cmp ecx, esi
jne 0x499388
push esi
push str.Received_last_DATA_packet_block__d_again._n
push ebx
call fcn.0047e410
add esp, 0xc
mov word [edi + 0x40], si
lea esi, [edi + 0x160]
push 4
push esi
call fcn.00498cb0
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.00498c90
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x49945a
mov eax, dword [edi + 0x154]
xor ecx, ecx
add eax, 4
cmp dword [edi + 0x14c], eax
lea eax, [edi + 0x38]
push eax
setl cl
lea ecx, [ecx*2 + 1]
mov dword [edi], ecx
call fcn.004c1a35
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
push eax
push esi
push str.Received_unexpected_DATA_packet_block__d__expecting_block__d_n
push ebx
call fcn.0047e410
add esp, 0x10
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
xor eax, eax
lea esi, [edi + 0x160]
push 4
push esi
mov word [edi + 0x40], ax
mov dword [edi + 0x18], eax
call fcn.00498cb0
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.00498c90
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x49945a
lea eax, [edi + 0x38]
mov dword [edi], 1
push eax
call fcn.004c1a35
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
movzx eax, word [edi + 0x40]
inc dword [edi + 0x18]
inc eax
push dword [edi + 0x18]
movzx eax, ax
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push ebx
call fcn.0047e410
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x499436
mov dword [edi + 8], 0xffffff9d
xor eax, eax
mov dword [edi], 3
pop edi
pop esi
pop ebx
pop ebp
ret
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
push eax
push 0
push 4
push dword [edi + 0x160]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x4994c0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.0046fe50
push eax
push 0x4fde48
push ebx
call fcn.0047e330
add esp, 0x14
mov eax, 0x37
pop edi
pop esi
pop ebx
pop ebp
ret
lea esi, [edi + 0x160]
push 5
push esi
call fcn.00498cb0
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.00498c90
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
mov dword [edi], 3
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
push str.tftp_rx:_internal_error
push 0x4fde48
push ebx
call fcn.0047e330
add esp, 0xc
mov eax, 0x47
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x499a10
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x10]
mov edx, dword [ecx]
mov eax, dword [eax]
cmp edx, 3
ja case.default.0x499a22
jmp dword [edx*4 + 0x499a78]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00499500
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004992b0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00499c20
push str.TFTP_finished
push 0x4fa4a0
push eax
call fcn.0047e410
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x4fde48
push eax
call fcn.0047e330
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x49ca80
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x52038c]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push eax
call fcn.004cfd1a
add esp, 4
mov byte [ebp - 0x108], 0
test eax, eax
je 0x49cae4
push 0x104
lea ecx, [ebp - 0x108]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [ebp - 0x108], 0
je 0x49cae4
lea eax, [ebp - 0x108]
push eax
call dword [0x52032c]
add esp, 4
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004a4c3a
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.004a4c3a
mov esp, ebp
pop ebp
ret

Function at 0x49cb00
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.0049ca80

Function at 0x49e620
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push edi
push 0x500ffc
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov dword [ebp - 4], eax
test eax, eax
jne 0x49e640
pop edi
mov esp, ebp
pop ebp
ret
push ebx
push esi
push str.LoadLibraryExA
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [ebp + 8]
mov ebx, eax
push 0x501018
push esi
mov dword [ebp - 8], ebx
call fcn.004cfd30
add esp, 8
test eax, eax
je 0x49e68c
test ebx, ebx
je 0x49e67c
push 8
push 0
push esi
call ebx
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
test ebx, ebx
je 0x49e6b5
push str.AddDllDirectory
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x49e6b5
push 0x800
push 0
push esi
call ebx
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [ebp - 4], edx
test edx, edx
je 0x49e760
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x49e6d1
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x520320]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x49e756
push dword [ebp - 4]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x49e756
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x49e702
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x49e720
sub ecx, edx
add ecx, ebx
sub ecx, esi
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x49e730
mov eax, dword [ebp - 8]
test eax, eax
je 0x49e74d
push 8
push 0
push ebx
call eax
jmp 0x49e754
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x520324]
add esp, 4
pop esi
pop ebx
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
Function at 0x4a1f20
Capabilities:
Hash data with md5
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push 0xf0000000
push 1
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x4a1f52
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x8003
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
pop esi
pop ebp
ret

Function at 0x4a20b0
Capabilities:
Get hostname

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
push esi
push edi
mov byte [edi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [edi + esi - 1], 0
test eax, eax
jne 0x4a20e3
push 0x2e
push edi
call fcn.004c0480
add esp, 8
test eax, eax
je 0x4a20e1
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x4a3240
Capabilities:
Hash data using md4
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, ebx
push edi
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4a3251
sub esi, ecx
je 0x4a3268
lea eax, [esi + esi]
push eax
call dword [0x520320]
jmp 0x4a3273
push 0x50d6e7
call dword [0x52032c]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4a3286
lea eax, [edi + 0x1b]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push esi
push ebx
push edi
call fcn.004a0cd0
add esp, 0xc
lea eax, [ebp - 8]
push 0xf0000000
push 1
push 0
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
mov ebx, dword [ebp + 0x10]
test eax, eax
je 0x4a3304
lea eax, [ebp - 4]
push eax
push 0
push 0
push 0x8002
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x4a32f9
push 0
lea eax, [esi + esi]
mov dword [ebp - 0xc], 0x10
push eax
push edi
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
push 0
lea eax, [ebp - 0xc]
push eax
push ebx
push 2
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
push 0
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [ebx + 0x10], 0
push edi
mov byte [ebx + 0x14], 0
call dword [0x520324]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4a3550
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x52038c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x1c]
push edi
mov edi, dword [ebp + 0x10]
push 0xf0000000
push 1
push 0
push 0
push eax
mov dword [ebp - 0x20], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x4a35e7
lea eax, [ebp - 0xc]
mov dword [ebp - 8], 0
push eax
xorps xmm0, xmm0
movups xmmword [ebp - 0x18], xmm0
push edi
mov word [ebp - 0x18], 0x208
mov dword [ebp - 0x14], 0x6601
mov dword [ebp - 0x10], 8
call fcn.004a3650
lea eax, [ebp - 0xc]
push 8
push eax
call fcn.004a4bf0
add esp, 0x10
lea eax, [ebp - 0x24]
push eax
push 0
push 0
push 0x14
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x4a35f9
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004a4c3a
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp + 8]
push dword [ebp - 0x20]
mov eax, dword [ecx]
mov dword [esi], eax
mov eax, dword [ecx + 4]
mov dword [esi + 4], eax
lea eax, [ebp - 0x20]
push eax
push esi
push 0
push 0
push 0
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [ebp - 4]
mov al, 1
pop edi
xor ecx, ebp
pop esi
call fcn.004a4c3a
mov esp, ebp
pop ebp
ret
Function at 0x4a3a60
Capabilities:
Hash data using sha256

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov dword [eax + 0x28], 0
mov dword [eax], 0
mov dword [eax + 4], 0
mov dword [eax + 8], 0x6a09e667
mov dword [eax + 0xc], 0xbb67ae85
mov dword [eax + 0x10], 0x3c6ef372
mov dword [eax + 0x14], 0xa54ff53a
mov dword [eax + 0x18], 0x510e527f
mov dword [eax + 0x1c], 0x9b05688c
mov dword [eax + 0x20], 0x1f83d9ab
mov dword [eax + 0x24], 0x5be0cd19
pop ebp
ret
Function at 0x4a3b80
Capabilities:
Encode data using xor
Hash data using murmur3

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x128
mov eax, dword [0x52038c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
xor esi, esi
mov dword [ebp - 0x128], edi
mov eax, dword [edi + 8]
mov dword [ebp - 0x108], eax
mov eax, dword [edi + 0xc]
mov dword [ebp - 0x120], eax
mov eax, dword [edi + 0x10]
mov dword [ebp - 0x110], eax
mov eax, dword [edi + 0x14]
mov dword [ebp - 0x10c], eax
mov eax, dword [edi + 0x18]
mov dword [ebp - 0x11c], eax
mov eax, dword [edi + 0x1c]
mov dword [ebp - 0x114], eax
mov eax, dword [edi + 0x20]
mov dword [ebp - 0x118], eax
mov eax, dword [edi + 0x24]
mov dword [ebp - 0x124], eax
mov eax, dword [ebp + 0xc]
add eax, 2
nop
movzx edx, byte [eax - 2]
lea eax, [eax + 4]
movzx ecx, byte [eax - 5]
shl edx, 8
or edx, ecx
movzx ecx, byte [eax - 4]
shl edx, 8
or edx, ecx
movzx ecx, byte [eax - 3]
shl edx, 8
or edx, ecx
mov dword [ebp + esi*4 - 0x104], edx
inc esi
cmp esi, 0x10
jl 0x4a3bf0
lea ebx, [ebp - 0xcc]
mov edi, 0x30
nop word [eax + eax]
mov ecx, dword [ebx - 0x34]
lea ebx, [ebx + 4]
mov edx, dword [ebx - 4]
mov esi, ecx
mov eax, ecx
rol esi, 0xe
ror eax, 7
xor esi, eax
shr ecx, 3
xor esi, ecx
mov eax, edx
mov ecx, edx
rol eax, 0xd
rol ecx, 0xf
xor ecx, eax
shr edx, 0xa
xor ecx, edx
add esi, ecx
add esi, dword [ebx - 0x3c]
add esi, dword [ebx - 0x18]
mov dword [ebx + 4], esi
sub edi, 1
jne 0x4a3c30
mov edi, dword [ebp - 0x128]
xor ebx, ebx
mov ecx, dword [ebp - 0x11c]
nop dword [eax]
mov esi, dword [ebp - 0x108]
mov edx, ecx
mov eax, ecx
ror edx, 0xb
rol eax, 7
xor edx, eax
mov eax, ecx
ror eax, 6
xor edx, eax
mov eax, dword [ebp - 0x114]
xor eax, dword [ebp - 0x118]
and eax, ecx
mov ecx, esi
xor eax, dword [ebp - 0x118]
add edx, eax
ror ecx, 0xd
add edx, dword [ebx + 0x5017c0]
mov eax, esi
add edx, dword [ebp + ebx - 0x104]
add ebx, 4
add edx, dword [ebp - 0x124]
add dword [ebp - 0x10c], edx
rol eax, 0xa
xor ecx, eax
mov eax, esi
ror eax, 2
xor ecx, eax
mov eax, dword [ebp - 0x120]
mov esi, eax
add ecx, edx
and eax, dword [ebp - 0x108]
or esi, dword [ebp - 0x108]
and esi, dword [ebp - 0x110]
mov edx, dword [ebp - 0x108]
or esi, eax
mov eax, dword [ebp - 0x118]
add esi, ecx
mov ecx, dword [ebp - 0x10c]
mov dword [ebp - 0x124], eax
mov eax, dword [ebp - 0x114]
mov dword [ebp - 0x118], eax
mov eax, dword [ebp - 0x11c]
mov dword [ebp - 0x114], eax
mov eax, dword [ebp - 0x110]
mov dword [ebp - 0x10c], eax
mov eax, dword [ebp - 0x120]
mov dword [ebp - 0x11c], ecx
mov dword [ebp - 0x110], eax
mov dword [ebp - 0x120], edx
mov dword [ebp - 0x108], esi
cmp ebx, 0x100
jl 0x4a3c80
add dword [edi + 8], esi
add dword [edi + 0x10], eax
mov eax, dword [ebp - 0x10c]
add dword [edi + 0x14], eax
mov eax, dword [ebp - 0x114]
add dword [edi + 0x1c], eax
mov eax, dword [ebp - 0x118]
add dword [edi + 0x20], eax
add dword [edi + 0x18], ecx
mov eax, dword [ebp - 0x124]
add dword [edi + 0x24], eax
xor eax, eax
add dword [edi + 0xc], edx
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004a4c3a
mov esp, ebp
pop ebp
ret
Function at 0x4a4ac0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov esi, dword [ebp + 8]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x520320]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4a4aed
pop edi
pop esi
mov esp, ebp
pop ebp
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [ebp + 0x10]
mov dword [edi + 8], eax
cmp ebx, dword [esi + 0x10]
jbe 0x4a4b34
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [ebp + 0xc]
push dword [edi + 4]
call eax
mov eax, dword [edi + 8]
add eax, dword [esi + 0xc]
push dword [edi + 4]
mov dword [ebp - 4], eax
push eax
mov eax, dword [esi + 8]
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov dword [ebp + 0x10], ebx
jmp 0x4a4b3a
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
push dword [edi + 4]
mov eax, dword [esi]
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [ebp + 0x10]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4a4b9b
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop word [eax + eax]
movzx eax, byte [ebx]
xor al, 0x36
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebx]
lea ebx, [ebx + 1]
xor al, 0x5c
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub dword [ebp + 0x10], 1
jne 0x4a4b60
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x4a4bc7
mov eax, dword [esi + 4]
push 1
push str.64Q
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x5019bf
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4a4ba0
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4a7eb5
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x4d87a8
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004d8627

Function at 0x4dbb18
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004db7d8
Function at 0x401f70
Capabilities:
Get thread local storage value

Disassembly:
push esi
push ebx
sub esp, 0x14
mov dword [esp], 0x408048
call sym._EnterCriticalSection_4
mov ebx, dword [0x408040]
sub esp, 4
test ebx, ebx
je 0x401fbb
nop
mov eax, dword [ebx]
mov dword [esp], eax
call sym._TlsGetValue_4
sub esp, 4
mov esi, eax
call sym._GetLastError_0
test eax, eax
jne 0x401fb4
test esi, esi
je 0x401fb4
mov eax, dword [ebx + 4]
mov dword [esp], esi
call eax
mov ebx, dword [ebx + 8]
test ebx, ebx
jne 0x401f90
mov dword [esp], 0x408048
call sym._LeaveCriticalSection_4
sub esp, 4
add esp, 0x14
pop ebx
pop esi
ret

Function at 0x4021a0
Capabilities:
Write file on windows

Disassembly:
push esi
push ebx
sub esp, 0x14
mov eax, dword [sym.imp.msvcrt.dll__iob]
mov dword [esp + 8], 0x17
mov dword [esp + 4], 1
lea esi, [esp + 0x24]
mov dword [esp], str.Mingw_runtime_failure:_n
lea ebx, [eax + 0x40]
mov dword [esp + 0xc], ebx
call sym._fwrite
mov eax, dword [esp + 0x20]
mov dword [esp + 8], esi
mov dword [esp], ebx
mov dword [esp + 4], eax
call sym._vfprintf
call sym._abort
lea esi, [esi]

Function at 0x4021f0
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebp
push edi
mov edi, ecx
push esi
push ebx
mov ebx, eax
mov esi, edx
sub esp, 0x4c
lea eax, [esp + 0x24]
mov dword [esp + 8], 0x1c
mov dword [esp], ebx
mov dword [esp + 4], eax
call sym._VirtualQuery_12
sub esp, 0xc
test eax, eax
je 0x4022c8
mov eax, dword [esp + 0x38]
cmp eax, 0x40
je 0x40222e
cmp eax, 4
jne 0x402250
mov dword [esp + 8], edi
mov dword [esp + 4], esi
mov dword [esp], ebx
call sym._memcpy
add esp, 0x4c
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, dword [esp + 0x30]
lea ebp, [esp + 0x20]
mov dword [esp + 8], 0x40
mov dword [esp + 0xc], ebp
mov dword [esp + 4], eax
mov eax, dword [esp + 0x24]
mov dword [esp], eax
call sym._VirtualProtect_16
sub esp, 0x10
mov edx, dword [esp + 0x38]
mov dword [esp + 8], edi
mov dword [esp + 4], esi
mov dword [esp], ebx
mov dword [esp + 0x1c], edx
call sym._memcpy
mov edx, dword [esp + 0x1c]
cmp edx, 0x40
je 0x40223e
cmp edx, 4
je 0x40223e
mov eax, dword [esp + 0x20]
mov dword [esp + 0xc], ebp
mov dword [esp + 8], eax
mov eax, dword [esp + 0x30]
mov dword [esp + 4], eax
mov eax, dword [esp + 0x24]
mov dword [esp], eax
call sym._VirtualProtect_16
sub esp, 0x10
add esp, 0x4c
pop ebx
pop esi
pop edi
pop ebp
ret
mov dword [esp + 8], ebx
mov dword [esp + 4], 0x1c
mov dword [esp], str.__VirtualQuery_failed_for__d_bytes_at_address__p
call fcn.004021a0
Function at 0x4071bf
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
push ebx
push esi
push edi
push 4
pop eax
call fcn.00401ed0
mov esi, esp
push 0x1c
lea eax, [ebp - 0x28]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
test eax, eax
je 0x40725a
mov ebx, dword [ebp - 0x24]
lea eax, [ebp - 0x4c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ecx, dword [ebp - 0x48]
mov eax, dword [0x40a6ec]
lea edi, [ecx - 1]
not edi
and edi, esi
sub edi, ecx
mov esi, eax
dec esi
neg esi
sbb esi, esi
and esi, 0xfffffff1
add esi, 0x11
imul esi, ecx
add esi, ebx
cmp edi, esi
mov dword [ebp - 8], ecx
jb 0x40725a
cmp eax, 1
je 0x40727b
mov dword [ebp - 4], ebx
mov ebx, 0x1000
push 0x1c
lea eax, [ebp - 0x28]
push eax
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
test eax, eax
je 0x40725a
mov eax, dword [ebp - 0x1c]
add dword [ebp - 4], eax
test dword [ebp - 0x18], ebx
je 0x407227
test byte [ebp - 0x13], 1
mov eax, dword [ebp - 0x28]
mov dword [ebp - 4], eax
je 0x407256
xor eax, eax
inc eax
jmp 0x40729a
cmp edi, eax
jae 0x40725e
xor eax, eax
jmp 0x40729a
cmp eax, esi
jae 0x407265
mov dword [ebp - 4], esi
push 4
push ebx
push dword [ebp - 8]
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov eax, dword [0x40a6ec]
jmp 0x40727e
mov dword [ebp - 4], edi
dec eax
neg eax
sbb eax, eax
and eax, 0x103
lea ecx, [ebp - 0xc]
push ecx
inc eax
push eax
push dword [ebp - 8]
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
lea esp, [ebp - 0x58]
pop edi
pop esi
pop ebx
leave
ret

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x4035ac
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x6d0008], 0x8088405
inc edx
mov dword [ebx + 0x6d0008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x41cd64
Capabilities:
Decompress data using aplib

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
push ebx
push esi
push edi
push ebp
mov esi, dword [ebp - 4]
mov edi, dword [ebp - 8]
cld
mov dl, 0x80
mov al, byte [esi]
add esi, 1
mov byte [edi], al
add edi, 1
mov ebx, 2
add dl, dl
jne 0x41cd95
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41cd7d
add dl, dl
jne 0x41cda0
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41cdf1
xor eax, eax
add dl, dl
jne 0x41cdad
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41ce8e
add dl, dl
jne 0x41cdbc
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cdc7
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cdd2
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cddd
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
je 0x41cde7
mov ebx, edi
sub ebx, eax
mov al, byte [ebx]
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0x41cd8c
mov eax, 1
add dl, dl
jne 0x41cdff
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41ce0a
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41cdf6
sub eax, ebx
mov ebx, 1
jne 0x41ce3d
mov ecx, 1
add dl, dl
jne 0x41ce23
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x41ce2e
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41ce1a
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x41cd8c
dec eax
shl eax, 8
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0x41ce54
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x41ce5f
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41ce4b
cmp eax, 0x7d00
sbb ecx, 0xffffffff
cmp eax, 0x500
sbb ecx, 0xffffffff
cmp eax, 0x80
adc ecx, 0
cmp eax, 0x80
adc ecx, 0
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x41cd8c
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0x41ceaf
adc ecx, 2
mov ebp, eax
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
mov ebx, 1
jmp 0x41cd8c
pop ebp
sub edi, dword [ebp - 8]
mov dword [ebp - 0xc], edi
pop edi
pop esi
pop ebx
mov eax, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret