joyce8/EMBER2024-capa huggingface dataset:
Function at 0x532c7b
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
mov ebx, dword [edi + 0x2c]
push esi
mov esi, dword [edi + 0x3c]
sub esi, dword [edi + 0x74]
mov eax, dword [edi + 0x6c]
mov ecx, dword [edi + 0x2c]
lea ecx, [ebx + ecx - 0x106]
sub esi, eax
cmp eax, ecx
jb 0x532d00
mov eax, dword [edi + 0x38]
push ebx
lea ecx, [eax + ebx]
push ecx
push eax
call fcn.0050ddc0
mov eax, dword [edi + 0x4c]
mov ecx, dword [edi + 0x44]
sub dword [edi + 0x70], ebx
sub dword [edi + 0x6c], ebx
add esp, 0xc
sub dword [edi + 0x5c], ebx
mov dword [ebp - 4], eax
lea eax, [ecx + eax*2]
dec eax
dec eax
movzx ecx, word [eax]
mov edx, ecx
sub edx, ebx
cmp ecx, ebx
sbb ecx, ecx
not ecx
and ecx, edx
dec dword [ebp - 4]
mov word [eax], cx
jne 0x532cc3
mov eax, dword [edi + 0x40]
mov dword [ebp - 4], ebx
lea eax, [eax + ebx*2]
dec eax
dec eax
movzx ecx, word [eax]
mov edx, ecx
sub edx, ebx
cmp ecx, ebx
sbb ecx, ecx
not ecx
and ecx, edx
dec dword [ebp - 4]
mov word [eax], cx
jne 0x532ce5
add esi, ebx
mov eax, dword [edi]
cmp dword [eax + 4], 0
je 0x532d5b
mov ecx, dword [edi + 0x74]
add ecx, dword [edi + 0x6c]
push esi
add ecx, dword [edi + 0x38]
mov esi, eax
push ecx
call fcn.005329cb
add dword [edi + 0x74], eax
mov esi, dword [edi + 0x74]
cmp esi, 3
pop ecx
pop ecx
jb 0x532d47
mov eax, dword [edi + 0x6c]
mov ecx, dword [edi + 0x38]
lea edx, [eax + ecx]
movzx eax, byte [edx]
mov ecx, dword [edi + 0x58]
mov dword [edi + 0x48], eax
shl eax, cl
movzx ecx, byte [edx + 1]
xor eax, ecx
and eax, dword [edi + 0x54]
mov dword [edi + 0x48], eax
cmp esi, 0x106
jae 0x532d5b
mov eax, dword [edi]
cmp dword [eax + 4], 0
jne 0x532c84
pop esi
pop ebx
leave
ret
Function at 0x10001850
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x44
push ebx
push esi
push edi
mov ecx, 0x10
mov esi, 0x39056f8
lea edi, [ebp - 0x44]
rep movsd dword es:[edi], dword [esi]
movsb byte es:[edi], byte [esi]
mov esi, dword [ebp + 8]
add esi, 0xfffffffe
xor ecx, ecx
test esi, esi
jle 0x100018e2
jmp 0x10001880
movzx edi, byte [edx + ecx]
shr edi, 2
movzx ebx, byte [ebp + edi - 0x44]
mov byte [eax], bl
movsx edi, byte [edx + ecx]
movzx ebx, byte [edx + ecx + 1]
and edi, 3
shr ebx, 4
shl edi, 4
or edi, ebx
movzx ebx, byte [ebp + edi - 0x44]
mov byte [eax + 1], bl
movsx ebx, byte [edx + ecx + 1]
movzx edi, byte [edx + ecx + 2]
and ebx, 0xf
add ebx, ebx
shr edi, 6
add ebx, ebx
or edi, ebx
movzx ebx, byte [ebp + edi - 0x44]
mov byte [eax + 2], bl
movsx edi, byte [edx + ecx + 2]
and edi, 0x3f
movzx ebx, byte [ebp + edi - 0x44]
mov byte [eax + 3], bl
add ecx, 3
add eax, 4
cmp ecx, esi
jl 0x10001880
cmp ecx, dword [ebp + 8]
jge 0x1000195e
movzx esi, byte [ecx + edx]
shr esi, 2
mov bl, byte [ebp + esi - 0x44]
mov esi, dword [ebp + 8]
dec esi
mov byte [eax], bl
cmp ecx, esi
jne 0x10001921
movsx ecx, byte [ecx + edx]
and ecx, 3
add ecx, ecx
mov dl, byte [ebp + ecx*8 - 0x44]
mov byte [eax + 1], dl
pop edi
mov byte [eax + 2], 0x3d
add eax, 3
pop esi
mov word [eax], 0x3d
pop ebx
mov esp, ebp
pop ebp
ret 4
lea esi, [ecx + edx + 1]
movsx ecx, byte [ecx + edx]
movzx edx, byte [esi]
and ecx, 3
shl ecx, 4
shr edx, 4
or ecx, edx
movzx ecx, byte [ebp + ecx - 0x44]
mov byte [eax + 1], cl
movsx edx, byte [esi]
and edx, 0xf
movzx ecx, byte [ebp + edx*4 - 0x44]
pop edi
mov byte [eax + 2], cl
add eax, 3
pop esi
mov word [eax], 0x3d
pop ebx
mov esp, ebp
pop ebp
ret 4
pop edi
pop esi
mov byte [eax], 0
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x10003940
Capabilities:
Execute anti-debugging instructions

Disassembly:
rdtsc
xor dword [0x390e210], eax
push ebx
push esi
push edi
mov edi, dword [0x390519c]
call edi
mov ebx, dword [0x3905194]
xor dword [0x390e210], eax
push 0x390622c
call ebx
test eax, eax
je 0x10003981
push 0x39098a4
push eax
call dword [0x3905190]
test eax, eax
je 0x10003981
push 0x390e210
call eax
mov ecx, dword [0x390e210]
mov eax, ecx
xor edx, edx
or esi, 0xffffffff
div esi
lea esi, [ecx + eax]
rdtsc
xor ecx, eax
mov dword [0x390e210], ecx
call edi
xor dword [0x390e210], eax
push 0x390622c
call ebx
test eax, eax
je 0x100039c7
push 0x39098a4
push eax
call dword [0x3905190]
test eax, eax
je 0x100039c7
push 0x390e210
call eax
mov ecx, dword [0x390e210]
push esi
mov eax, ecx
xor edx, edx
or esi, 0xffffffff
div esi
add eax, ecx
push eax
push 0x3905968
push 0x104
push 0x3919c60
call dword [0x39052f4]
add esp, 0x14
pop edi
pop esi
pop ebx
ret
Function at 0x1000d7a0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
lea eax, [ebp - 4]
push eax
push 0x390f588
mov dword [ebp - 4], 0x10
call dword [0x39052a4]
push 0x390f588
call dword [0x39052a8]
or ecx, 0xffffffff
mov edx, 0x390f588
test eax, eax
je 0x1000d7ed
movzx esi, byte [edx]
xor esi, ecx
and esi, 0xff
shr ecx, 8
xor ecx, dword [esi*4 + 0x390f6c8]
inc edx
dec eax
jne 0x1000d7d4
mov edi, dword [0x39054d4]
not ecx
mov esi, ecx
push esi
push 0x390e504
push 0x390f5a0
call edi
lea ebx, [esi + esi]
push ebx
push 0x390e504
push 0x390f54c
call edi
lea ecx, [esi + esi*2]
push ecx
push 0x390e504
push 0x390f5dc
call edi
push esi
push 0x390e580
push 0x390f670
call edi
push ebx
push 0x390e580
push 0x390f630
call edi
add esp, 0x3c
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x1000da30
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x104
push 0x101
lea eax, [ebp - 0x104]
push eax
push ecx
call dword [0x39054e4]
mov edx, eax
or eax, 0xffffffff
lea ecx, [ebp - 0x104]
test edx, edx
je 0x1000da7a
push esi
lea esp, [esp]
movzx esi, byte [ecx]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x390f6c8]
inc ecx
dec edx
jne 0x1000da60
pop esi
not eax
mov esp, ebp
pop ebp
ret

Function at 0x1000daf0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [0x3919ed4]
sub esp, 0x104
push ebx
mov ebx, dword [0x39053a8]
push esi
push edi
push 1
push 5
push eax
call ebx
push eax
call ebx
mov edi, dword [0x390540c]
mov esi, eax
lea esp, [esp]
push esi
call dword [0x39053e4]
test eax, eax
je 0x1000dbb7
push 0xfffffffffffffff0
push esi
call dword [0x390541c]
test eax, 0x40000000
jne 0x1000db9c
push 0x101
lea ecx, [ebp - 0x104]
push ecx
push esi
call dword [0x39054e4]
or ecx, 0xffffffff
lea edx, [ebp - 0x104]
test eax, eax
je 0x1000db7f
nop
movzx ebx, byte [edx]
xor ebx, ecx
and ebx, 0xff
shr ecx, 8
xor ecx, dword [ebx*4 + 0x390f6c8]
inc edx
dec eax
jne 0x1000db60
mov ebx, dword [0x39053a8]
not ecx
test ecx, ecx
je 0x1000db96
xor eax, eax
cmp ecx, dword [eax*8 + 0x390e528]
je 0x1000dbcd
inc eax
cmp eax, 0xb
jb 0x1000db87
xor eax, eax
test al, 0x20
je 0x1000dbb7
push 0
push 0x1b
push 0x100
push esi
call edi
push 0xc01b0000
push 0x1b
push 0x101
push esi
call edi
push 3
push esi
call ebx
mov esi, eax
test esi, esi
jne 0x1000db20
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
movzx eax, word [eax*8 + 0x390e52c]
jmp 0x1000db98
Function at 0x100282e0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
test ecx, ecx
jne 0x100282f0
xor eax, eax
pop ebp
ret 4
push esi
not eax
cmp edx, 8
jb 0x100283bf
mov esi, edx
shr esi, 3
push edi
movzx edi, byte [ecx]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x3907d50]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x3907d50]
movzx edi, byte [ecx + 2]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x3907d50]
movzx edi, byte [ecx + 3]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x3907d50]
movzx edi, byte [ecx + 4]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x3907d50]
movzx edi, byte [ecx + 5]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x3907d50]
movzx edi, byte [ecx + 6]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x3907d50]
movzx edi, byte [ecx + 7]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x3907d50]
add ecx, 8
sub edx, 8
dec esi
jne 0x10028302
pop edi
test edx, edx
je 0x100283dc
movzx esi, byte [ecx]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x3907d50]
inc ecx
dec edx
jne 0x100283c3
not eax
pop esi
pop ebp
ret 4
Function at 0x100283f0
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x78
push ebx
push esi
push edi
call dword [0x390512c]
cmp eax, 1
je 0x10028411
mov eax, 0x1000000
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
lea eax, [ebp - 0x74]
push eax
push edi
call dword [0x3905128]
test eax, eax
jne 0x1002842d
mov eax, 0x200
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
lea ecx, [ebp - 0x30]
push ecx
call dword [0x39051f4]
lea edx, [ebp - 0x40]
push edx
call dword [0x3905134]
mov esi, dword [0x3905138]
lea eax, [ebp - 0x20]
push eax
lea ecx, [ebp - 0x30]
push ecx
call esi
lea edx, [ebp - 0x18]
push edx
lea eax, [ebp - 0x40]
push eax
call esi
mov eax, dword [ebp - 0x20]
sub eax, dword [ebp - 0x18]
mov ecx, dword [ebp - 0x1c]
sbb ecx, dword [ebp - 0x14]
sub dword [ebp - 0x60], eax
sbb dword [ebp - 0x5c], ecx
sub dword [ebp - 0x68], eax
sbb dword [ebp - 0x64], ecx
sub dword [ebp - 0x70], eax
sbb dword [ebp - 0x6c], ecx
mov ecx, dword [ebp - 0x74]
mov eax, ecx
xor esi, esi
and eax, 1
je 0x1002848f
mov dword [ebp - 8], 1
mov esi, dword [ebp - 8]
test cl, 2
je 0x10028497
or esi, 2
test cl, 4
je 0x1002849f
or esi, 4
mov edx, ecx
and edx, 0x10
je 0x100284a9
or esi, 0x10
test cl, 0x20
je 0x100284b1
or esi, 0x20
test edx, edx
je 0x100284bd
or esi, 0x40000000
jmp 0x100284c3
or esi, 0x80000000
or esi, 0x1000000
mov dword [ebp - 8], esi
test eax, eax
jne 0x100284d9
or esi, 0x800000
mov dword [ebp - 8], esi
push 0
push edi
call dword [0x390513c]
mov dword [ebp - 0x10], eax
cmp eax, 0x28
jbe 0x10028580
mov esi, dword [0x39051fc]
push 0
push 0
push 0
push edi
call esi
mov ebx, dword [0x390521c]
push 0
lea ecx, [ebp - 0xc]
push ecx
push 2
lea edx, [ebp - 4]
push edx
push edi
call ebx
push 0
push 0
push 0x24
push edi
call esi
push 0
lea eax, [ebp - 0xc]
push eax
push 4
lea ecx, [ebp - 0x14]
push ecx
push edi
call ebx
mov edx, 0x54ad
cmp word [ebp - 4], dx
jne 0x1002857d
mov eax, dword [ebp - 0x14]
lea ecx, [eax + 0x34]
cmp dword [ebp - 0x10], ecx
jbe 0x1002857d
push 0
push 0
push eax
push edi
call esi
push 0
lea edx, [ebp - 0xc]
push edx
push 4
lea eax, [ebp - 0x1c]
push eax
push edi
call ebx
mov eax, dword [ebp - 0x1c]
cmp eax, 0x5a4d
je 0x10028576
cmp eax, 0x454e
je 0x10028576
cmp eax, 0x454c
je 0x10028576
cmp eax, 0x4550
jne 0x1002857d
or dword [ebp - 8], 0x400000
mov esi, dword [ebp - 8]
mov eax, dword [ebp + 8]
xor ecx, ecx
cmp eax, ecx
je 0x1002858b
mov dword [eax], esi
mov eax, dword [ebp + 0xc]
cmp eax, ecx
je 0x10028597
mov edx, dword [ebp - 0x10]
mov dword [eax], edx
mov eax, dword [ebp + 0x10]
cmp eax, ecx
je 0x100285a6
mov dword [eax], ecx
mov dword [eax + 4], ecx
mov dword [eax + 8], ecx
mov esi, dword [ebp + 0x14]
cmp esi, ecx
je 0x100285ce
lea eax, [ebp + 0xc]
push eax
lea ecx, [ebp + 8]
push ecx
lea edx, [ebp - 0x60]
push edx
call dword [0x3905140]
movzx eax, word [ebp + 8]
movzx ecx, word [ebp + 0xc]
shl eax, 0x10
or eax, ecx
mov dword [esi], eax
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0x10
Function at 0x1002d330
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x218
push ebx
mov ebx, dword [ebp + 8]
mov eax, dword [ebx]
mov eax, dword [eax + 0x340]
push esi
push edi
test eax, eax
jne 0x1002d350
mov eax, 0x390acd4
push 0x390acc0
push eax
lea ecx, [ebp - 0x214]
push 0x390acdc
push ecx
call dword [0x39054d4]
lea eax, [ebp - 0x214]
add esp, 0x10
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x1002d374
mov ecx, dword [ebx + 0x75c4]
sub eax, edx
lea edx, [ecx + eax + 0xd]
cmp edx, 0x7530
jbe 0x1002d3be
push ecx
lea eax, [ebx + 0x94]
push eax
mov eax, ebx
call fcn.10030cd0
test eax, eax
jns 0x1002d3b4
mov esi, ebx
call fcn.10030a00
xor al, al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov dword [ebx + 0x75c4], 0
mov al, byte [0x390e05d]
movsx ecx, al
neg ecx
sbb ecx, ecx
and ecx, 0x302fefc
xor edx, edx
add ecx, 0xfffe0003
test al, al
lea eax, [ebp - 0x214]
mov dword [ebp - 0x10], edx
mov dword [ebp - 8], ecx
lea edx, [eax + 1]
je 0x1002d411
jmp 0x1002d3f0
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x1002d3f0
sub eax, edx
lea edx, [eax + 1]
shr edx, 8
inc eax
and edx, 0xff
shl eax, 8
xor edx, eax
mov word [ebp - 0xc], dx
jmp 0x1002d41f
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x1002d411
sub eax, edx
inc eax
mov word [ebp - 0xc], ax
mov ecx, dword [ebx + 0x75c4]
xor eax, eax
lea edi, [ecx + ebx + 0x94]
mov word [ebp - 0xa], ax
lea esi, [ebp - 0x10]
mov ecx, 0xc
rep movsb byte es:[edi], byte [esi]
add dword [ebx + 0x75c4], 0xc
mov edx, dword [ebx + 0x75c4]
lea eax, [ebp - 0x214]
lea esi, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x1002d452
sub eax, esi
lea ecx, [eax + 1]
lea edi, [edx + ebx + 0x94]
lea esi, [ebp - 0x214]
lea eax, [ebp - 0x214]
rep movsb byte es:[edi], byte [esi]
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x1002d476
sub eax, edx
inc eax
add dword [ebx + 0x75c4], eax
mov eax, dword [ebx + 0x75c4]
push eax
lea edx, [ebx + 0x94]
push edx
mov eax, ebx
call fcn.10030cd0
test eax, eax
js 0x1002d3a2
pop edi
pop esi
mov dword [ebx + 0x75c4], 0
or al, 0xff
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x10036380
Capabilities:
Encode data using xor
Encrypt data using des

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov edx, dword [ebp + 8]
mov eax, dword [edx]
push ebx
push esi
mov esi, dword [edx + 4]
mov edx, eax
shr edx, 4
xor edx, esi
and edx, 0xf0f0f0f
xor esi, edx
shl edx, 4
xor eax, edx
mov edx, eax
shr edx, 0x10
xor edx, esi
and edx, 0xffff
xor esi, edx
shl edx, 0x10
xor eax, edx
mov edx, esi
shr edx, 2
xor edx, eax
and edx, 0x33333333
xor eax, edx
add edx, edx
add edx, edx
xor esi, edx
mov edx, esi
shr edx, 8
xor edx, eax
and edx, 0xff00ff
xor eax, edx
shl edx, 8
xor esi, edx
rol esi, 1
mov edx, esi
xor edx, eax
and edx, 0xaaaaaaaa
xor esi, edx
xor edx, eax
rol edx, 1
push edi
mov ecx, 0x391d708
mov dword [ebp - 4], edx
mov dword [ebp - 8], 8
mov eax, esi
ror eax, 4
xor eax, dword [ecx]
add ecx, 0x10
mov edx, eax
shr edx, 0x18
mov edi, eax
shr edi, 0x10
and edi, 0x3f
and edx, 0x3f
mov edx, dword [edx*4 + 0x390d6a8]
or edx, dword [edi*4 + 0x390d8a8]
mov edi, eax
shr edi, 8
and edi, 0x3f
or edx, dword [edi*4 + 0x390daa8]
and eax, 0x3f
or edx, dword [eax*4 + 0x390dca8]
mov eax, dword [ecx - 0xc]
xor eax, esi
mov edi, eax
shr edi, 0x18
and edi, 0x3f
mov edi, dword [edi*4 + 0x390d7a8]
mov ebx, eax
shr ebx, 0x10
and ebx, 0x3f
or edi, dword [ebx*4 + 0x390d9a8]
mov ebx, eax
shr ebx, 8
and ebx, 0x3f
or edi, dword [ebx*4 + 0x390dba8]
and eax, 0x3f
or edi, dword [eax*4 + 0x390dda8]
or edi, edx
mov dword [ebp - 0xc], edi
mov edi, dword [ebp - 4]
xor edi, dword [ebp - 0xc]
mov eax, edi
ror eax, 4
xor eax, dword [ecx - 8]
mov dword [ebp - 4], edi
mov edx, eax
shr edx, 0x18
mov ebx, eax
shr ebx, 0x10
and ebx, 0x3f
and edx, 0x3f
mov edx, dword [edx*4 + 0x390d6a8]
or edx, dword [ebx*4 + 0x390d8a8]
mov ebx, eax
shr ebx, 8
and ebx, 0x3f
or edx, dword [ebx*4 + 0x390daa8]
and eax, 0x3f
or edx, dword [eax*4 + 0x390dca8]
mov eax, dword [ecx - 4]
xor eax, edi
mov edi, eax
shr edi, 0x18
and edi, 0x3f
mov edi, dword [edi*4 + 0x390d7a8]
mov ebx, eax
shr ebx, 0x10
and ebx, 0x3f
or edi, dword [ebx*4 + 0x390d9a8]
mov ebx, eax
shr ebx, 8
and ebx, 0x3f
or edi, dword [ebx*4 + 0x390dba8]
and eax, 0x3f
or edi, dword [eax*4 + 0x390dda8]
or edi, edx
xor esi, edi
dec dword [ebp - 8]
jne 0x10036403
mov ecx, dword [ebp - 4]
ror esi, 1
mov eax, esi
xor eax, ecx
and eax, 0xaaaaaaaa
xor esi, eax
xor eax, ecx
ror eax, 1
mov ecx, eax
shr ecx, 8
xor ecx, esi
and ecx, 0xff00ff
xor esi, ecx
shl ecx, 8
xor eax, ecx
mov ecx, eax
shr ecx, 2
xor ecx, esi
and ecx, 0x33333333
xor esi, ecx
add ecx, ecx
add ecx, ecx
xor eax, ecx
mov edx, dword [ebp + 8]
mov ecx, esi
shr ecx, 0x10
xor ecx, eax
and ecx, 0xffff
xor eax, ecx
shl ecx, 0x10
xor esi, ecx
mov ecx, esi
shr ecx, 4
xor ecx, eax
and ecx, 0xf0f0f0f
mov edi, ecx
shl edi, 4
xor edi, esi
mov dword [edx], edi
pop edi
xor ecx, eax
pop esi
mov dword [edx + 4], ecx
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x10044900
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp + 0xc]
xor eax, 0xffffffff
test ecx, ecx
mov esi, dword [ebp + 8]
je 0x10044929
xor al, byte [esi]
movzx edx, al
shr eax, 8
mov edx, dword [edx*4 + 0x390d100]
inc esi
xor eax, edx
dec ecx
jne 0x10044914
xor eax, 0xffffffff
pop esi
leave
ret 0xc
Function at 0x401950
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4090eb
mov eax, dword fs:[0]
push eax
sub esp, 0x98
push ebx
push esi
push edi
mov eax, dword [0x40d1f8]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov eax, dword [ecx]
mov ecx, dword [eax - 0xc]
xor ebx, ebx
cmp ecx, ebx
je 0x401acf
xor esi, esi
mov dword [ebp - 4], ebx
mov dword [ebp - 0x18], esi
push ebx
push 0x80
push 4
push ebx
push 1
push 0x40000000
push eax
mov byte [ebp - 4], 1
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x401a2b
call fcn.00401040
cmp eax, ebx
jne 0x401acf
mov eax, dword [0x40d500]
mov edx, dword [eax + 0xc]
mov ecx, 0x40d500
call edx
add eax, 0x10
mov dword [ebp - 0x14], eax
push 2
lea eax, [ebp - 0x1c]
push eax
push ebx
push esi
mov byte [ebp - 4], 2
mov dword [ebp - 0x20], ebx
mov dword [ebp - 0x1c], ebx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
jne 0x4019f9
call fcn.00401040
mov edx, dword [ebp + 8]
lea ecx, [ebp - 0xa0]
push 0xfde9
mov dword [ebp - 0xa4], ecx
push edx
lea ecx, [ebp - 0xa4]
call fcn.00401350
mov edi, dword [ebp - 0xa4]
mov byte [ebp - 4], 3
cmp edi, ebx
jne 0x401a32
xor eax, eax
jmp 0x401a40
mov esi, eax
mov dword [ebp - 0x18], esi
jmp 0x4019c2
mov eax, edi
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x401a37
sub eax, edx
push eax
push edi
lea ecx, [ebp - 0x14]
call fcn.004017a0
mov eax, dword [ebp - 0xa4]
lea ecx, [ebp - 0xa0]
mov byte [ebp - 4], 2
cmp eax, ecx
je 0x401a68
push eax
call dword [sym.imp.MSVCR90.dll_free]
add esp, 4
push 2
push 0x40a33c
lea ecx, [ebp - 0x14]
call fcn.004016e0
mov edi, dword [ebp - 0x14]
mov eax, dword [edi - 0xc]
push ebx
lea edx, [ebp + 8]
push edx
push eax
push edi
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
cmp eax, ebx
jne 0x401a94
call fcn.00401040
cmp esi, ebx
je 0x401aa4
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor esi, esi
mov dword [ebp - 0x18], esi
lea eax, [edi - 0x10]
mov byte [ebp - 4], 1
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x401ac4
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
cmp esi, ebx
je 0x401acf
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
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 0x401c10
Capabilities:
Access the windows event log

Disassembly:
sub esp, 0x208
mov eax, dword [0x40d1f8]
xor eax, esp
mov dword [esp + 0x204], eax
mov ecx, dword [esp + 0x210]
push esi
mov esi, dword [esp + 0x210]
lea eax, [esp + 0x218]
push eax
push ecx
push 0xff
lea edx, [esp + 0x14]
push pe_nt_image_headers32
push edx
call dword [sym.imp.MSVCR90.dll__vsnwprintf_s]
xor eax, eax
add esp, 0x14
lea ecx, [esp + 8]
mov word [esp + 0x206], ax
mov dword [esp + 4], ecx
cmp dword [esi + 0x260], eax
jne 0x401c7a
mov edx, ecx
push edx
call dword [sym.imp.MSVCR90.dll__putws]
add esp, 4
add esi, 0x40
push esi
push 0
call dword [sym.imp.ADVAPI32.dll_RegisterEventSourceW]
mov esi, eax
test esi, esi
je 0x401cad
push 0
lea eax, [esp + 8]
push eax
push 0
push 1
push 0
push 0
push 0
push 4
push esi
call dword [sym.imp.ADVAPI32.dll_ReportEventW]
push esi
call dword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
mov ecx, dword [esp + 0x208]
pop esi
xor ecx, esp
call fcn.00408758
add esp, 0x208
ret

Function at 0x402120
Capabilities:
Query or enumerate registry value

Disassembly:
push esi
mov esi, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
mov eax, dword [edi]
add eax, eax
lea edx, [esp + 0x14]
push edx
mov edx, dword [esp + 0x10]
push esi
mov dword [esp + 0x1c], eax
lea eax, [esp + 0x18]
push eax
push 0
mov dword [edi], 0
mov eax, dword [ecx]
push edx
push eax
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x402196
mov eax, dword [esp + 0x10]
cmp eax, 1
je 0x402165
cmp eax, 2
jne 0x402181
mov eax, dword [esp + 0x14]
test esi, esi
je 0x402190
test eax, eax
je 0x40218b
test al, 1
jne 0x402181
mov ecx, eax
shr ecx, 1
cmp word [esi + ecx*2 - 2], 0
je 0x402190
pop edi
mov eax, 0xd
pop esi
ret 0xc
xor edx, edx
mov word [esi], dx
shr eax, 1
mov dword [edi], eax
xor eax, eax
pop edi
pop esi
ret 0xc

Function at 0x4021a0
Capabilities:
Set registry value

Disassembly:
push esi
mov esi, dword [esp + 0xc]
push edi
mov edi, ecx
test esi, esi
jne 0x4021b4
pop edi
lea eax, [esi + 0xd]
pop esi
ret 0xc
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ecx, dword [esp + 0x14]
mov edx, dword [esp + 0xc]
lea eax, [eax + eax + 2]
push eax
mov eax, dword [edi]
push esi
push ecx
push 0
push edx
push eax
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
pop edi
pop esi
ret 0xc
Function at 0x402230
Capabilities:
Create service

Disassembly:
sub esp, 0xa10
mov eax, dword [0x40d1f8]
xor eax, esp
mov dword [esp + 0xa0c], eax
push ebx
push ebp
push esi
push edi
push 0xf003f
xor edi, edi
push edi
push edi
mov ebx, ecx
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerW]
mov ebp, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov esi, eax
test esi, esi
je 0x402289
push 1
lea eax, [ebx + 0x40]
push eax
push esi
call dword [sym.imp.ADVAPI32.dll_OpenServiceW]
test eax, eax
je 0x40227e
push eax
mov edi, 1
call ebp
push esi
call ebp
test edi, edi
jne 0x4023bc
push 0x104
lea ecx, [esp + 0x16]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
test eax, eax
je 0x402323
cmp eax, 0x104
je 0x402323
mov edx, 0x22
mov word [esp + 0x10], dx
mov ecx, edx
xor edx, edx
push 0xf003f
push edx
push edx
mov word [esp + eax*2 + 0x1e], cx
mov word [esp + eax*2 + 0x20], dx
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerW]
mov esi, eax
test esi, esi
jne 0x40233e
push 0x400
lea eax, [esp + 0x220]
push eax
push 0xd80a
call fcn.00401e80
add esp, 0xc
test eax, eax
jne 0x40230d
push str.Could_not_open_Service_Manager
lea ecx, [esp + 0x220]
push 0x400
push ecx
call fcn.00401cd0
add esp, 0xc
push 0
add ebx, 0x40
push ebx
lea edx, [esp + 0x224]
push edx
push 0
call dword [sym.imp.USER32.dll_MessageBoxW]
xor eax, eax
mov ecx, dword [esp + 0xa1c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00408758
add esp, 0xa10
ret
push 0
push 0
push str.RPCSS
push 0
push 0
lea eax, [esp + 0x24]
push eax
push 1
push 3
push 0x10
push 0xf01ff
lea edi, [ebx + 0x40]
push edi
push edi
push esi
call dword [sym.imp.ADVAPI32.dll_CreateServiceW]
test eax, eax
jne 0x4023b6
push esi
call ebp
push 0x400
lea ecx, [esp + 0x220]
push ecx
push 0xd80b
call fcn.00401e80
add esp, 0xc
test eax, eax
jne 0x4023a6
push str.Could_not_start_service
lea edx, [esp + 0x220]
push 0x400
push edx
call fcn.00401cd0
add esp, 0xc
push 0
push edi
lea eax, [esp + 0x224]
push eax
jmp 0x40231b
push eax
call ebp
push esi
call ebp
mov eax, 1
jmp 0x402325