joyce8/EMBER2024-capa huggingface dataset:
Function at 0x490340
Capabilities:
Hash data with md5

Disassembly:
push esi
mov esi, dword [esp + 8]
push 0x5c
push 0
push esi
call fcn.004eafd0
add esp, 0xc
mov dword [esi], 0x67452301
mov dword [esi + 4], 0xefcdab89
mov dword [esi + 8], 0x98badcfe
mov dword [esi + 0xc], 0x10325476
mov eax, 1
pop esi
ret

Function at 0x490380
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.004ec8a0
mov eax, dword [0x587978]
xor eax, esp
mov dword [esp + 0x88], eax
mov eax, dword [esp + 0xa0]
mov ecx, dword [esp + 0x94]
push ebx
push ebp
mov ebp, dword [esp + 0xa4]
push esi
mov esi, dword [esp + 0x9c]
mov dword [esp + 0xc], eax
xor eax, eax
push edi
mov dword [esp + 0x14], ecx
test ebp, ebp
je 0x4903cf
mov eax, 1
mov dword [esi], ebp
jmp 0x4903d1
mov ebp, dword [esi]
test ecx, ecx
je 0x4904b4
push ebp
call fcn.004a57e0
mov ebx, eax
add esp, 4
cmp ebx, 0x80
jle 0x490400
push str.j____int_sizeof_ctx__key_
push 0x52
push str..cryptohmachmac.c
call fcn.004918f0
add esp, 0xc
mov edi, dword [esp + 0xa8]
cmp ebx, edi
jge 0x490457
mov ecx, dword [esp + 0x10]
push ecx
lea ebx, [esi + 4]
push ebp
push ebx
call fcn.00492fe0
add esp, 0xc
test eax, eax
je 0x490556
mov edx, dword [esp + 0x14]
push edi
push edx
push ebx
call fcn.00493190
add esp, 0xc
test eax, eax
je 0x490556
lea edi, [esi + 0x4c]
push edi
lea eax, [esi + 0x50]
push eax
push ebx
call fcn.004931a0
add esp, 0xc
test eax, eax
je 0x490556
jmp 0x490491
cmp edi, 0x80
jbe 0x490473
push str.len_0__len__int_sizeof_ctx__key_
push 0x5f
push str..cryptohmachmac.c
call fcn.004918f0
add esp, 0xc
mov ecx, dword [esp + 0x14]
push edi
push ecx
lea edx, [esi + 0x50]
push edx
call fcn.004eb0e0
mov eax, dword [esp + 0xb4]
lea edi, [esi + 0x4c]
add esp, 0xc
mov dword [edi], eax
mov edi, dword [edi]
cmp edi, 0x80
je 0x4904bc
mov ecx, 0x80
sub ecx, edi
push ecx
lea edx, [edi + esi + 0x50]
push 0
push edx
call fcn.004eafd0
add esp, 0xc
jmp 0x4904bc
test eax, eax
je 0x490542
xor eax, eax
mov edi, edi
mov cl, byte [esi + eax + 0x50]
xor cl, 0x36
mov byte [esp + eax + 0x18], cl
inc eax
cmp eax, 0x80
jl 0x4904c0
mov edi, dword [esp + 0x10]
push edi
lea ebx, [esi + 0x1c]
push ebp
push ebx
call fcn.00492fe0
add esp, 0xc
test eax, eax
je 0x490556
push ebp
call fcn.004a57e0
push eax
lea edx, [esp + 0x20]
push edx
push ebx
call fcn.00493190
add esp, 0x10
test eax, eax
je 0x490556
xor eax, eax
mov cl, byte [esi + eax + 0x50]
xor cl, 0x5c
mov byte [esp + eax + 0x18], cl
inc eax
cmp eax, 0x80
jl 0x490504
push edi
lea ebx, [esi + 0x34]
push ebp
push ebx
call fcn.00492fe0
add esp, 0xc
test eax, eax
je 0x490556
push ebp
call fcn.004a57e0
push eax
lea edx, [esp + 0x20]
push edx
push ebx
call fcn.00493190
add esp, 0x10
test eax, eax
je 0x490556
lea eax, [esi + 0x1c]
push eax
add esi, 4
push esi
call fcn.00493300
add esp, 8
test eax, eax
jne 0x49055a
xor eax, eax
jmp 0x49055f
mov eax, 1
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004eaf3b
add esp, 0x8c
ret
Function at 0x4917d0
Capabilities:
Access the windows event log

Disassembly:
mov eax, 0x108
call fcn.004ec8a0
mov eax, dword [0x587978]
xor eax, esp
mov dword [esp + 0x104], eax
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
test eax, eax
je 0x491835
push eax
call dword [sym.imp.KERNEL32.dll_GetFileType]
test eax, eax
je 0x491835
mov ecx, dword [esp + 0x10c]
lea eax, [esp + 0x110]
push eax
push ecx
call fcn.004ee007
add eax, 0x40
push eax
call fcn.004edfe8
add esp, 0xc
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004eaf3b
add esp, 0x108
ret
mov eax, dword [esp + 0x10c]
lea edx, [esp + 0x110]
push edx
push eax
lea ecx, [esp + 0xc]
push 0xff
push ecx
call fcn.004edec0
add esp, 0x10
mov byte [esp + 0x103], 0
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp eax, 0x80000000
jae 0x4918c4
call fcn.00491690
test eax, eax
jle 0x4918c4
push esi
push str.OPENSSL
push 0
call dword [sym.imp.ADVAPI32.dll_RegisterEventSourceA]
push 0
mov esi, eax
lea eax, [esp + 8]
push eax
push 0
push 1
push 0
push 0
push 0
push 1
lea edx, [esp + 0x28]
push esi
mov dword [esp + 0x28], edx
call dword [sym.imp.ADVAPI32.dll_ReportEventA]
push esi
call dword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
pop esi
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004eaf3b
add esp, 0x108
ret
push 0x10
push str.OpenSSL:_FATAL
lea ecx, [esp + 0xc]
push ecx
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004eaf3b
add esp, 0x108
ret
Function at 0x4929e0
Capabilities:
Encode data using base64

Disassembly:
mov ecx, dword [esp + 4]
push ebp
push edi
mov edi, dword [esp + 0x14]
xor ebp, ebp
test edi, edi
jle 0x492ac3
push esi
mov esi, dword [esp + 0x14]
lea esp, [esp]
cmp edi, 3
movzx edx, byte [esi]
jl 0x492a5e
movzx eax, byte [esi + 1]
shl edx, 8
or edx, eax
movzx eax, byte [esi + 2]
shl edx, 8
or edx, eax
mov eax, edx
shr eax, 0x12
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], al
mov eax, edx
shr eax, 0xc
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx + 1], al
inc ecx
mov eax, edx
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
inc ecx
mov byte [ecx], al
inc ecx
and edx, 0x3f
mov dl, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], dl
jmp 0x492ab0
shl edx, 0x10
cmp edi, 2
jne 0x492a6f
movzx eax, byte [esi + 1]
shl eax, 8
or edx, eax
mov eax, edx
shr eax, 0x12
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], al
mov eax, edx
shr eax, 0xc
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
inc ecx
mov byte [ecx], al
inc ecx
cmp edi, 1
jne 0x492a9d
lea edx, [edi + 0x3c]
jmp 0x492aaa
shr edx, 6
and edx, 0x3f
movzx edx, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], dl
inc ecx
mov byte [ecx], 0x3d
sub edi, 3
inc ecx
add ebp, 4
add esi, 3
test edi, edi
jg 0x492a00
pop esi
pop edi
mov eax, ebp
mov byte [ecx], 0
pop ebp
ret

Function at 0x494ec0
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 4]
push esi
xor esi, esi
test edx, edx
je 0x494f07
mov al, byte [edx]
test al, al
je 0x494f07
push edi
mov edi, pe_nt_image_headers32
movsx eax, al
or eax, edi
mov ecx, eax
shr ecx, 2
xor ecx, eax
and ecx, 0xf
add edi, 0x100
rol esi, cl
mov ecx, eax
imul ecx, eax
mov al, byte [edx + 1]
inc edx
xor esi, ecx
test al, al
jne 0x494ed7
mov eax, esi
shr eax, 0x10
pop edi
xor eax, esi
pop esi
ret
xor eax, eax
pop esi
ret
Function at 0x498f80
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x24
call fcn.004ec8a0
mov eax, dword [0x587978]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push ebx
push esi
mov esi, dword [ebp + 8]
mov dword [ebp - 0x1c], eax
mov eax, esi
push edi
mov dword [ebp - 0x18], esi
lea ecx, [eax + 1]
jmp 0x498fb0
mov dl, byte [eax]
inc eax
test dl, dl
jne 0x498fb0
mov ebx, dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
push 0
push 0
sub eax, ecx
lea edi, [eax + 1]
push edi
push esi
push 8
push 0xfde9
mov dword [ebp - 0x20], 8
call ebx
mov esi, eax
test esi, esi
jg 0x499028
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x3ec
jne 0x49900a
mov ecx, dword [ebp - 0x18]
push 0
push 0
push edi
push ecx
push 0
push 0xfde9
mov dword [ebp - 0x20], 0
call ebx
mov esi, eax
test esi, esi
jg 0x499028
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x459
jne 0x4990ba
mov edx, dword [ebp - 0x1c]
mov eax, dword [ebp - 0x18]
push edx
push eax
jmp 0x4990a8
lea eax, [esi + esi]
call fcn.004ec120
mov ecx, dword [ebp - 0x18]
mov edx, dword [ebp - 0x20]
mov eax, esp
push esi
push eax
push edi
push ecx
push edx
push 0xfde9
mov dword [ebp - 0x24], eax
call ebx
test eax, eax
je 0x4990ba
mov esi, dword [ebp - 0x1c]
mov eax, esi
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x499053
push 8
sub eax, edx
lea ecx, [ebp - 0x14]
push ecx
inc eax
push eax
push esi
push 0
push 0xfde9
call ebx
test eax, eax
je 0x4990ba
mov eax, dword [ebp - 0x24]
lea edx, [ebp - 0x14]
push edx
push eax
call fcn.004f02a3
mov esi, eax
add esp, 8
test esi, esi
jne 0x49915e
call fcn.004f019c
cmp dword [eax], 2
je 0x4990a0
call fcn.004f019c
cmp dword [eax], 9
jne 0x4990b2
mov ecx, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x18]
push ecx
push edx
call fcn.004efb13
mov esi, eax
add esp, 8
test esi, esi
jne 0x49915e
push 0xa9
push str..crypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.004924b0
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x18]
push 0x54e0a8
push eax
push 0x54e0a4
push ecx
push str.fopen_
push 5
call fcn.004921b0
add esp, 0x2c
call fcn.004f019c
cmp dword [eax], 2
jne 0x499130
push 0xac
push str..crypto_bio_bss_file.c
push 0x80
push 0x6d
push 0x20
call fcn.004924b0
add esp, 0x14
xor eax, eax
lea esp, [ebp - 0x30]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004eaf3b
mov esp, ebp
pop ebp
ret
push 0xae
push str..crypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.004924b0
add esp, 0x14
xor eax, eax
lea esp, [ebp - 0x30]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004eaf3b
mov esp, ebp
pop ebp
ret
push 0x586af0
call fcn.0048f120
mov edi, eax
add esp, 4
test edi, edi
jne 0x499190
push esi
call fcn.004ef375
add esp, 4
xor eax, eax
lea esp, [ebp - 0x30]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004eaf3b
mov esp, ebp
pop ebp
ret
push 0
push edi
call fcn.0048eba0
push esi
push 1
push 0x6a
push edi
call fcn.0048ef00
add esp, 0x18
mov eax, edi
lea esp, [ebp - 0x30]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004eaf3b
mov esp, ebp
pop ebp
ret
Function at 0x4a8ce0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x28
call fcn.004ec8a0
mov eax, dword [esp + 0x38]
push ebx
push edi
xor edi, edi
push eax
mov dword [esp + 0x10], edi
mov dword [esp + 0xc], edi
call fcn.004935c0
mov ebx, eax
add esp, 4
cmp ebx, edi
jl 0x4a8f21
push esi
mov esi, dword [esp + 0x48]
cmp esi, 0xffffffff
jne 0x4a8da7
mov esi, ebx
mov edi, dword [esp + 0x38]
mov ecx, dword [edi + 0x10]
push ebp
push ecx
call fcn.0049c500
mov ebp, eax
dec ebp
and ebp, 7
push edi
mov dword [esp + 0x24], ebp
call fcn.00498610
add esp, 8
mov edi, eax
mov dword [esp + 0x18], eax
test ebp, ebp
jne 0x4a8d59
mov eax, dword [esp + 0x40]
mov byte [eax], 0
inc eax
dec edi
mov dword [esp + 0x40], eax
mov dword [esp + 0x18], edi
cmp esi, 0xfffffffe
jne 0x4a8ddb
mov esi, edi
sub esi, ebx
sub esi, 2
test esi, esi
jle 0x4a8e19
push 0xda
push str..crypto_rsa_rsa_pss.c
push esi
call fcn.00491240
mov ebp, eax
add esp, 0xc
mov dword [esp + 0x10], ebp
test ebp, ebp
jne 0x4a8e07
push 0xde
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x7d
push 4
call fcn.004924b0
add esp, 0x14
jmp 0x4a8f04
cmp esi, 0xfffffffe
jne 0x4a8db1
jmp 0x4a8d1d
jge 0x4a8d1d
push 0xc3
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x7d
push 4
call fcn.004924b0
add esp, 0x14
pop esi
mov eax, edi
pop edi
pop ebx
add esp, 0x28
ret
lea edx, [ebx + esi + 2]
cmp edi, edx
jge 0x4a8d65
push 0xd5
push str..crypto_rsa_rsa_pss.c
push 0x6e
push 0x7d
push 4
call fcn.004924b0
add esp, 0x14
mov eax, dword [esp + 0x14]
pop ebp
pop esi
pop edi
pop ebx
add esp, 0x28
ret
push esi
push ebp
call fcn.004a1290
add esp, 8
test eax, eax
jle 0x4a8f00
lea eax, [esp + 0x20]
sub edi, ebx
push eax
lea ebp, [edi - 1]
call fcn.00492f90
mov ecx, dword [esp + 0x4c]
push 0
push ecx
lea edx, [esp + 0x2c]
push edx
call fcn.00492fe0
push 8
lea eax, [esp + 0x34]
push 0x552e94
push eax
call fcn.00493190
mov ecx, dword [esp + 0x60]
push ebx
push ecx
lea edx, [esp + 0x44]
push edx
call fcn.00493190
add esp, 0x28
test esi, esi
je 0x4a8e74
mov eax, dword [esp + 0x10]
push esi
push eax
lea ecx, [esp + 0x28]
push ecx
call fcn.00493190
add esp, 0xc
mov edx, dword [esp + 0x40]
lea eax, [edx + ebp]
push 0
push eax
lea eax, [esp + 0x28]
push eax
call fcn.004932d0
lea ecx, [esp + 0x2c]
push ecx
call fcn.00493220
mov edx, dword [esp + 0x58]
mov eax, dword [esp + 0x50]
push edx
push ebx
add eax, ebp
push eax
push ebp
mov ebp, dword [esp + 0x60]
push ebp
call fcn.004ab700
add esp, 0x24
test eax, eax
jne 0x4a8f00
sub edi, esi
xor byte [edi + ebp - 2], 1
lea eax, [edi + ebp - 2]
inc eax
test esi, esi
jle 0x4a8ed6
xor ecx, ecx
test esi, esi
jle 0x4a8ed6
mov edx, dword [esp + 0x10]
mov dl, byte [ecx + edx]
xor byte [eax], dl
inc ecx
inc eax
cmp ecx, esi
jl 0x4a8ec7
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4a8eef
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [ebp], al
mov ecx, dword [esp + 0x18]
mov byte [ecx + ebp - 1], 0xbc
mov dword [esp + 0x14], 1
mov ebp, dword [esp + 0x10]
test ebp, ebp
je 0x4a8dfb
push ebp
call fcn.004913e0
mov eax, dword [esp + 0x18]
add esp, 4
pop ebp
pop esi
pop edi
pop ebx
add esp, 0x28
ret
mov eax, edi
pop edi
pop ebx
add esp, 0x28
ret
Function at 0x4a8fc0
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 0x14]
cmp dword [esp + 0x18], esi
jne 0x4a908c
mov ecx, dword [esp + 0x10]
mov al, byte [ecx]
cmp al, 0x6a
je 0x4a8fe1
cmp al, 0x6b
jne 0x4a908c
lea edx, [ecx + 1]
cmp al, 0x6b
jne 0x4a904d
add esi, 0xfffffffd
xor ecx, ecx
test esi, esi
jle 0x4a9001
mov al, byte [edx]
inc edx
cmp al, 0xba
je 0x4a9001
cmp al, 0xbb
jne 0x4a902a
inc ecx
cmp ecx, esi
jl 0x4a8ff1
sub esi, ecx
test ecx, ecx
jne 0x4a9050
push 0x8a
push str..crypto_rsa_rsa_x931.c
push 0x8a
push 0x80
push 4
call fcn.004924b0
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
push 0x81
push str..crypto_rsa_rsa_x931.c
push 0x8a
push 0x80
push 4
call fcn.004924b0
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
add esi, 0xfffffffe
cmp byte [esi + edx], 0xcc
je 0x4a9079
push 0x93
push str..crypto_rsa_rsa_x931.c
push 0x8b
push 0x80
push 4
call fcn.004924b0
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
mov eax, dword [esp + 8]
push esi
push edx
push eax
call fcn.004eb0e0
add esp, 0xc
mov eax, esi
pop esi
ret
push 0x72
push str..crypto_rsa_rsa_x931.c
push 0x89
push 0x80
push 4
call fcn.004924b0
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
Function at 0x4ab860
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x20
call fcn.004ec8a0
mov eax, dword [0x587978]
xor eax, esp
mov dword [esp + 0x1c], eax
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x34]
push ebx
mov ebx, dword [esp + 0x34]
push ebp
mov ebp, dword [esp + 0x30]
dec ebp
lea edx, [ebp - 0x29]
cmp ebx, edx
push edi
mov edi, dword [esp + 0x30]
mov dword [esp + 0xc], eax
mov dword [esp + 0x10], ecx
jle 0x4ab8c5
push 0x2d
push str..crypto_rsa_rsa_oaep.c
push 0x6e
push 0x79
push 4
call fcn.004924b0
add esp, 0x14
pop edi
pop ebp
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x1c]
xor ecx, esp
call fcn.004eaf3b
add esp, 0x20
ret
cmp ebp, 0x29
jge 0x4ab8f3
push 0x33
push str..crypto_rsa_rsa_oaep.c
push 0x78
push 0x79
push 4
call fcn.004924b0
add esp, 0x14
pop edi
pop ebp
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x1c]
xor ecx, esp
call fcn.004eaf3b
add esp, 0x20
ret
push esi
mov byte [edi], 0
lea esi, [edi + 1]
push 0
add edi, 0x15
call fcn.00490870
mov ecx, dword [esp + 0x18]
push eax
mov eax, dword [esp + 0x50]
push 0
push edi
push eax
push ecx
call fcn.00493460
mov edx, ebp
sub edx, ebx
sub edx, 0x29
push edx
lea eax, [edi + 0x14]
push 0
push eax
call fcn.004eafd0
mov edx, dword [esp + 0x34]
mov ecx, edi
sub ecx, ebx
lea eax, [ecx + ebp]
push ebx
mov byte [eax - 0x15], 1
push edx
add eax, 0xffffffec
push eax
call fcn.004eb0e0
push 0x14
push esi
call fcn.004a1290
add esp, 0x38
test eax, eax
jle 0x4ab985
push 0x48
add ebp, 0xffffffec
push str..crypto_rsa_rsa_oaep.c
push ebp
call fcn.00491240
mov ebx, eax
add esp, 0xc
mov dword [esp + 0x14], ebx
test ebx, ebx
jne 0x4ab99a
push 0x4b
push str..crypto_rsa_rsa_oaep.c
push 0x41
push 0x79
push 4
call fcn.004924b0
add esp, 0x14
pop esi
pop edi
pop ebp
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x1c]
xor ecx, esp
call fcn.004eaf3b
add esp, 0x20
ret
call fcn.00490870
push eax
push 0x14
push esi
push ebp
push ebx
call fcn.004ab700
add esp, 0x14
test eax, eax
jl 0x4ab985
test ebp, ebp
jle 0x4ab9cb
mov ecx, ebx
mov eax, edi
sub ecx, edi
mov edx, ebp
lea ecx, [ecx]
mov bl, byte [ecx + eax]
xor byte [eax], bl
inc eax
sub edx, 1
jne 0x4ab9c0
call fcn.00490870
push eax
push ebp
push edi
lea eax, [esp + 0x24]
push 0x14
push eax
call fcn.004ab700
add esp, 0x14
test eax, eax
jl 0x4ab985
lea ecx, [esp + 0x18]
lea edi, [esp + 0x19]
lea ebp, [esp + 0x1a]
lea edx, [esp + 0x1b]
sub ecx, esi
sub edi, esi
sub ebp, esi
sub edx, esi
lea ebx, [esp + 0x1c]
sub ebx, esi
mov eax, esi
mov dword [esp + 0x10], ebx
mov esi, 4
nop
movzx ebx, byte [ecx + eax]
xor byte [eax], bl
movzx ebx, byte [edi + eax]
xor byte [eax + 1], bl
movzx ebx, byte [eax + ebp]
xor byte [eax + 2], bl
movzx ebx, byte [edx + eax]
xor byte [eax + 3], bl
mov ebx, dword [esp + 0x10]
movzx ebx, byte [ebx + eax]
xor byte [eax + 4], bl
add eax, 5
sub esi, 1
jne 0x4aba10
mov ecx, dword [esp + 0x14]
push ecx
call fcn.004913e0
mov ecx, dword [esp + 0x30]
add esp, 4
lea eax, [esi + 1]
pop esi
pop edi
pop ebp
pop ebx
xor ecx, esp
call fcn.004eaf3b
add esp, 0x20
ret
Function at 0x4adf70
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x130
call fcn.004ec8a0
mov eax, dword [0x587978]
xor eax, esp
mov dword [esp + 0x12c], eax
mov eax, dword [esp + 0x13c]
push ebx
push ebp
mov ebp, dword [esp + 0x158]
push esi
mov dword [esp + 0x20], eax
mov eax, dword [esp + 0x154]
push edi
mov edi, dword [esp + 0x144]
push eax
mov dword [esp + 0x2c], edi
mov dword [esp + 0x20], eax
mov ebx, 1
call fcn.004935c0
mov esi, eax
add esp, 4
mov dword [esp + 0x20], esi
test esi, esi
jge 0x4adfd3
xor eax, eax
jmp 0x4ae15d
lea ecx, [esp + 0x2c]
push ecx
call fcn.00490640
mov edx, dword [esp + 0x160]
add esp, 4
mov dword [esp + 0x18], edx
test edi, edi
jne 0x4adff8
mov dword [esp + 0x148], edi
jmp 0x4ae022
cmp dword [esp + 0x148], 0xffffffff
jne 0x4ae022
mov eax, edi
lea ecx, [eax + 1]
mov dword [esp + 0x10], ecx
jmp 0x4ae010
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x4ae010
sub eax, dword [esp + 0x10]
mov dword [esp + 0x148], eax
test edx, edx
je 0x4ae14b
jmp 0x4ae038
mov edx, dword [esp + 0x18]
mov esi, dword [esp + 0x20]
cmp edx, esi
jg 0x4ae03e
mov esi, edx
mov edx, ebx
shr edx, 0x18
mov eax, ebx
shr eax, 0x10
push 0
mov byte [esp + 0x18], dl
mov edx, dword [esp + 0x20]
push edx
mov byte [esp + 0x1d], al
mov eax, dword [esp + 0x150]
mov ecx, ebx
shr ecx, 8
push eax
mov byte [esp + 0x22], cl
lea ecx, [esp + 0x38]
push edi
push ecx
mov byte [esp + 0x2b], bl
call fcn.00490380
mov edx, dword [esp + 0x164]
mov eax, dword [esp + 0x38]
push edx
push eax
lea ecx, [esp + 0x48]
push ecx
call fcn.00490580
push 4
lea edx, [esp + 0x38]
push edx
lea eax, [esp + 0x54]
push eax
call fcn.00490580
push 0
lea ecx, [esp + 0x12c]
push ecx
lea edx, [esp + 0x60]
push edx
call fcn.00490590
push esi
lea eax, [esp + 0x138]
push eax
push ebp
call fcn.004eb0e0
mov eax, dword [esp + 0x198]
add esp, 0x44
cmp eax, 1
jle 0x4ae136
dec eax
mov dword [esp + 0x10], eax
jmp 0x4ae0e0
mov edx, dword [esp + 0x20]
push 0
lea ecx, [esp + 0x100]
push ecx
push edx
mov edx, dword [esp + 0x28]
mov eax, ecx
mov ecx, dword [esp + 0x154]
push eax
push ecx
push edi
push edx
call fcn.00490720
add esp, 0x1c
test esi, esi
jle 0x4ae12f
lea ecx, [esp + 0xfc]
mov eax, ebp
sub ecx, ebp
mov edi, esi
lea esp, [esp]
mov dl, byte [ecx + eax]
xor byte [eax], dl
inc eax
sub edi, 1
jne 0x4ae120
mov edi, dword [esp + 0x28]
sub dword [esp + 0x10], 1
jne 0x4ae0e0
mov eax, dword [esp + 0x18]
sub eax, esi
inc ebx
add ebp, esi
mov dword [esp + 0x18], eax
test eax, eax
jne 0x4ae030
lea eax, [esp + 0x2c]
push eax
call fcn.004906e0
add esp, 4
mov eax, 1
mov ecx, dword [esp + 0x13c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004eaf3b
add esp, 0x130
ret
Function at 0x4ccb80
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [eax + 4]
push ebx
push esi
push edi
mov edi, dword [esp + 0x18]
cmp ecx, dword [edi + 4]
jge 0x4ccb99
mov esi, edi
mov edi, eax
jmp 0x4ccb9b
mov esi, eax
mov eax, dword [esi + 4]
mov ebx, dword [esp + 0x10]
cmp eax, dword [ebx + 8]
jg 0x4ccbab
mov eax, ebx
jmp 0x4ccbb5
push eax
push ebx
call fcn.0049c740
add esp, 8
test eax, eax
jne 0x4ccbbd
pop edi
pop esi
pop ebx
ret
xor eax, eax
cmp dword [edi + 4], eax
jle 0x4ccbd9
mov edx, dword [esi]
mov ecx, dword [edi]
mov edx, dword [edx + eax*4]
xor edx, dword [ecx + eax*4]
mov ecx, dword [ebx]
mov dword [ecx + eax*4], edx
inc eax
cmp eax, dword [edi + 4]
jl 0x4ccbc4
cmp eax, dword [esi + 4]
jge 0x4ccbf0
mov edi, edi
mov edx, dword [esi]
mov edx, dword [edx + eax*4]
mov ecx, dword [ebx]
mov dword [ecx + eax*4], edx
inc eax
cmp eax, dword [esi + 4]
jl 0x4ccbe0
mov eax, dword [esi + 4]
mov dword [ebx + 4], eax
test eax, eax
jle 0x4ccc11
mov ecx, dword [ebx]
lea ecx, [ecx + eax*4 - 4]
mov edx, dword [ecx]
sub ecx, 4
test edx, edx
jne 0x4ccc0e
dec eax
test eax, eax
jg 0x4ccc00
mov dword [ebx + 4], eax
pop edi
pop esi
mov eax, 1
pop ebx
ret

Function at 0x4d7320
Capabilities:
Timestomp file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
push 0
push 0
push 3
push 0
push 0
push 0xc0000000
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [ebp - 0x24], eax
lea ecx, [ebp - 0x10]
push ecx
lea edx, [ebp - 0x18]
push edx
lea eax, [ebp - 0x20]
push eax
mov ecx, dword [ebp - 0x24]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileTime]
lea edx, [ebp - 8]
push edx
movzx eax, word [ebp + 0xc]
push eax
mov ecx, dword [ebp + 0xc]
shr ecx, 0x10
push ecx
call dword [sym.imp.KERNEL32.dll_DosDateTimeToFileTime]
lea edx, [ebp - 0x2c]
push edx
lea eax, [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_LocalFileTimeToFileTime]
lea ecx, [ebp - 0x2c]
push ecx
lea edx, [ebp - 0x18]
push edx
lea eax, [ebp - 0x2c]
push eax
mov ecx, dword [ebp - 0x24]
push ecx
call dword [sym.imp.KERNEL32.dll_SetFileTime]
mov edx, dword [ebp - 0x24]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esp, ebp
pop ebp
ret
Function at 0x4dc470
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
push edi
mov edi, ecx
mov eax, dword [edi + 0xc]
mov edx, dword [eax + 8]
lea ecx, [edi + 0xc]
call edx
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4dc4a8
mov esi, dword [edi + 0x10]
mov edx, dword [edi + 4]
push 0
lea ecx, [ebp - 4]
push ecx
push eax
push esi
push edx
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x4dc4a8
call fcn.0040b2f0
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4dd190
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x52a608
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push ebx
push esi
push edi
mov eax, dword [0x587978]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
xor edi, edi
mov dword [ebp - 0x1c], edi
mov dword [ebp - 0x18], edi
mov dword [ebp - 0x14], edi
mov dword [ebp - 4], edi
mov eax, dword [ebp + 0xc]
mov eax, dword [eax]
lea ecx, [ebp - 0x10]
push ecx
lea edx, [ebp + 0xc]
push edx
push edi
push 0x2001f
push edi
push edi
push edi
push eax
mov eax, dword [ebp + 8]
push eax
mov dword [ebp + 0xc], edi
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
cmp eax, edi
jne 0x4dd214
mov eax, dword [ebp + 0x10]
mov edx, dword [ebp + 0x14]
mov ebx, dword [eax]
mov esi, dword [edx]
mov ecx, dword [ebp + 0xc]
xor eax, eax
cmp esi, edi
setne al
mov dword [ebp - 0x18], edi
mov dword [ebp - 0x1c], ecx
mov dword [ebp - 0x18], edi
cmp eax, edi
jne 0x4dd21d
lea esi, [edi + 0xd]
jmp 0x4dd23d
mov dword [ebp - 4], 0xffffffff
jmp 0x4dd254
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov edx, dword [ebp + 0xc]
lea ecx, [eax + eax + 2]
push ecx
push esi
push 1
push edi
push ebx
push edx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
mov ecx, dword [ebp + 0xc]
mov esi, eax
mov dword [ebp - 4], 0xffffffff
cmp ecx, edi
je 0x4dd252
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [ebp - 0x1c], edi
mov eax, esi
mov dword [ebp - 0x18], edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret