joyce8/EMBER2024-capa huggingface dataset:
Function at 0x5dae34
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, ecx
mov edx, dword [eax]
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push ebx
mov ebx, dword [edx + 0x20]
push esi
mov esi, dword [edx + 0x6c]
imul esi, dword [edx + 0x60]
add esi, ebx
cmp ebx, esi
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x24], esi
jae 0x5daf65
mov eax, 0xf0f0
push edi
mov edi, dword [edx + 0x60]
mov edx, dword [edx + 0x68]
lea edx, [ebx + edx*2]
add edi, ebx
cmp ebx, edx
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edi
mov dword [ebp - 0x20], edx
jae 0x5daf45
movzx ecx, word [edi]
movzx edx, word [edi + 2]
movzx esi, word [ebx + 2]
mov dword [ebp - 4], ecx
movzx ecx, word [ebx]
mov ebx, ecx
and bx, ax
mov edi, edx
and di, ax
mov dword [ebp - 0x1c], ecx
and ecx, 0xffff0f0f
add edi, ebx
mov ebx, dword [ebp - 4]
and bx, ax
add edi, ebx
mov ebx, esi
and bx, ax
lea edi, [edi + ebx + 0x2020]
mov ebx, edx
and ebx, 0xffff0f0f
add ebx, ecx
mov ecx, dword [ebp - 4]
and ecx, 0xffff0f0f
add ebx, ecx
mov ecx, esi
and ecx, 0xffff0f0f
lea ecx, [ebx + ecx + 0x202]
mov ebx, dword [ebp - 0xc]
shr ecx, 2
shr edi, 2
xor edi, ecx
mov ecx, dword [ebp - 0x1c]
and ecx, eax
and edx, eax
add edx, ecx
mov ecx, dword [ebp - 4]
and ecx, eax
add edx, ecx
and esi, eax
and edi, 0xffff0f0f
lea ecx, [edx + esi + 0x2020]
shr ecx, 2
xor edi, ecx
mov ecx, dword [ebp - 8]
add dword [ebp - 8], 2
mov word [ecx], di
mov edi, dword [ebp - 0x10]
add ebx, 4
add edi, 4
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edi
jb 0x5dae8d
mov ecx, dword [ebp - 0x14]
mov ebx, dword [ebp - 0x18]
mov esi, dword [ebp - 0x24]
mov edx, dword [ebp - 0x28]
mov edi, dword [edx + 4]
add ecx, dword [edi + 0x60]
mov edx, dword [edx]
mov edi, dword [edx + 0x60]
lea ebx, [ebx + edi*2]
cmp ebx, esi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
jb 0x5dae6e
pop edi
pop esi
xor eax, eax
pop ebx
leave
ret
Function at 0x5daf6b
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, ecx
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push ebx
push edi
mov dword [ebp - 0x28], eax
mov eax, dword [eax]
mov edi, dword [eax + 0x6c]
imul edi, dword [eax + 0x60]
mov ebx, dword [eax + 0x20]
add edi, ebx
cmp ebx, edi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x24], edi
jae 0x5db083
push esi
mov esi, 0xe3
mov edx, dword [eax + 0x60]
mov eax, dword [eax + 0x68]
add eax, ebx
add edx, ebx
cmp ebx, eax
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edx
mov dword [ebp - 0x20], eax
jae 0x5db063
movzx ecx, byte [edx]
movzx eax, byte [edx + 1]
movzx edi, byte [ebx + 1]
mov dword [ebp - 4], ecx
movzx ecx, byte [ebx]
mov ebx, ecx
and ebx, 0x1c
mov edx, eax
and edx, 0x1c
add edx, ebx
mov ebx, dword [ebp - 4]
and ebx, 0x1c
add edx, ebx
mov dword [ebp - 0x1c], ecx
and cx, si
mov ebx, edi
and ebx, 0x1c
lea edx, [edx + ebx + 8]
mov ebx, eax
and bx, si
shr edx, 2
and ax, si
add ebx, ecx
mov ecx, dword [ebp - 4]
and cx, si
add ebx, ecx
mov ecx, edi
and cx, si
and di, si
lea ecx, [ebx + ecx + 0x42]
shr ecx, 2
xor dl, cl
mov ecx, dword [ebp - 0x1c]
mov ebx, dword [ebp - 0xc]
and cx, si
and dl, 0x1c
add eax, ecx
mov ecx, dword [ebp - 4]
and cx, si
add eax, ecx
lea eax, [eax + edi + 0x42]
shr eax, 2
xor dl, al
mov eax, dword [ebp - 8]
inc dword [ebp - 8]
mov byte [eax], dl
mov edx, dword [ebp - 0x10]
inc ebx
inc ebx
inc edx
inc edx
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edx
jb 0x5dafc3
mov ecx, dword [ebp - 0x14]
mov ebx, dword [ebp - 0x18]
mov edi, dword [ebp - 0x24]
mov eax, dword [ebp - 0x28]
mov edx, dword [eax + 4]
add ecx, dword [edx + 0x60]
mov eax, dword [eax]
mov edx, dword [eax + 0x60]
lea ebx, [ebx + edx*2]
cmp ebx, edi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
jb 0x5dafa5
pop esi
pop edi
xor eax, eax
pop ebx
leave
ret
Function at 0x5db115
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
mov eax, ecx
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push esi
mov esi, dword [eax]
mov ebx, dword [esi + 0x20]
push edi
mov edi, dword [esi + 0x6c]
imul edi, dword [esi + 0x60]
add edi, ebx
cmp ebx, edi
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x1c], ebx
mov dword [ebp - 0x24], edi
jae 0x5db23c
mov eax, 0xff1c
mov edx, dword [esi + 0x60]
mov esi, dword [esi + 0x68]
lea esi, [ebx + esi*2]
add edx, ebx
cmp ebx, esi
mov dword [ebp - 8], ecx
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0x14], edx
mov dword [ebp - 0x20], esi
jae 0x5db21d
movzx esi, word [edx + 2]
movzx ecx, word [edx]
movzx edx, word [ebx]
movzx edi, word [ebx + 2]
mov dword [ebp - 4], ecx
mov dword [ebp - 0xc], edx
mov ebx, esi
mov ecx, 0xe3
and dx, cx
and bx, cx
add ebx, edx
mov edx, dword [ebp - 4]
and dx, cx
add ebx, edx
mov edx, edi
and dx, cx
mov ecx, esi
and cx, ax
and esi, eax
lea edx, [ebx + edx + 0x42]
mov ebx, dword [ebp - 0xc]
and bx, ax
shr edx, 2
add ecx, ebx
mov ebx, dword [ebp - 4]
and bx, ax
add ecx, ebx
mov ebx, edi
and bx, ax
and edi, eax
lea ecx, [ecx + ebx + 0x208]
mov ebx, dword [ebp - 0x10]
shr ecx, 2
xor dl, cl
mov ecx, dword [ebp - 0xc]
and ecx, eax
add esi, ecx
mov ecx, dword [ebp - 4]
and ecx, eax
add esi, ecx
and edx, 0xffff00e3
lea ecx, [esi + edi + 0x208]
shr ecx, 2
xor edx, ecx
mov ecx, dword [ebp - 8]
add dword [ebp - 8], 2
mov word [ecx], dx
mov edx, dword [ebp - 0x14]
add ebx, 4
add edx, 4
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0x14], edx
jb 0x5db16e
mov ecx, dword [ebp - 0x18]
mov ebx, dword [ebp - 0x1c]
mov edi, dword [ebp - 0x24]
mov edx, dword [ebp - 0x28]
mov esi, dword [edx + 4]
add ecx, dword [esi + 0x60]
mov esi, dword [edx]
mov edx, dword [esi + 0x60]
lea ebx, [ebx + edx*2]
cmp ebx, edi
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x1c], ebx
jb 0x5db14f
pop edi
pop esi
xor eax, eax
pop ebx
leave
ret
Function at 0x5db34c
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
mov eax, ecx
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push esi
mov esi, dword [eax]
mov ebx, dword [esi + 0x20]
push edi
mov edi, dword [esi + 0x6c]
imul edi, dword [esi + 0x60]
add edi, ebx
cmp ebx, edi
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x1c], ebx
mov dword [ebp - 0x24], edi
jae 0x5db473
mov eax, 0xff00
mov edx, dword [esi + 0x60]
mov esi, dword [esi + 0x68]
lea esi, [ebx + esi*2]
add edx, ebx
cmp ebx, esi
mov dword [ebp - 8], ecx
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0x14], edx
mov dword [ebp - 0x20], esi
jae 0x5db454
movzx esi, word [edx + 2]
movzx ecx, word [edx]
movzx edx, word [ebx]
movzx edi, word [ebx + 2]
mov dword [ebp - 4], ecx
mov dword [ebp - 0xc], edx
mov ebx, esi
mov ecx, 0xff
and dx, cx
and bx, cx
add ebx, edx
mov edx, dword [ebp - 4]
and dx, cx
add ebx, edx
mov edx, edi
and dx, cx
mov ecx, esi
and cx, ax
and esi, eax
lea edx, [ebx + edx + 2]
mov ebx, dword [ebp - 0xc]
and bx, ax
shr edx, 2
add ecx, ebx
mov ebx, dword [ebp - 4]
and bx, ax
add ecx, ebx
mov ebx, edi
and bx, ax
and edi, eax
lea ecx, [ecx + ebx + 0x200]
mov ebx, dword [ebp - 0x10]
shr ecx, 2
xor dl, cl
mov ecx, dword [ebp - 0xc]
and ecx, eax
add esi, ecx
mov ecx, dword [ebp - 4]
and ecx, eax
add esi, ecx
and edx, 0xffff00ff
lea ecx, [esi + edi + 0x200]
shr ecx, 2
xor edx, ecx
mov ecx, dword [ebp - 8]
add dword [ebp - 8], 2
mov word [ecx], dx
mov edx, dword [ebp - 0x14]
add ebx, 4
add edx, 4
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0x14], edx
jb 0x5db3a5
mov ecx, dword [ebp - 0x18]
mov ebx, dword [ebp - 0x1c]
mov edi, dword [ebp - 0x24]
mov edx, dword [ebp - 0x28]
mov esi, dword [edx + 4]
add ecx, dword [esi + 0x60]
mov esi, dword [edx]
mov edx, dword [esi + 0x60]
lea ebx, [ebx + edx*2]
cmp ebx, edi
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x1c], ebx
jb 0x5db386
pop edi
pop esi
xor eax, eax
pop ebx
leave
ret
Function at 0x5db47a
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, ecx
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push ebx
push edi
mov dword [ebp - 0x28], eax
mov eax, dword [eax]
mov edi, dword [eax + 0x6c]
imul edi, dword [eax + 0x60]
mov ebx, dword [eax + 0x20]
add edi, ebx
cmp ebx, edi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x24], edi
jae 0x5db592
push esi
mov esi, 0xf0
mov edx, dword [eax + 0x60]
mov eax, dword [eax + 0x68]
add eax, ebx
add edx, ebx
cmp ebx, eax
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edx
mov dword [ebp - 0x20], eax
jae 0x5db572
movzx ecx, byte [edx]
movzx eax, byte [edx + 1]
movzx edi, byte [ebx + 1]
mov dword [ebp - 4], ecx
movzx ecx, byte [ebx]
mov ebx, ecx
and ebx, 0xf
mov edx, eax
and edx, 0xf
add edx, ebx
mov ebx, dword [ebp - 4]
and ebx, 0xf
add edx, ebx
mov dword [ebp - 0x1c], ecx
and cx, si
mov ebx, edi
and ebx, 0xf
lea edx, [edx + ebx + 2]
mov ebx, eax
and bx, si
shr edx, 2
and ax, si
add ebx, ecx
mov ecx, dword [ebp - 4]
and cx, si
add ebx, ecx
mov ecx, edi
and cx, si
and di, si
lea ecx, [ebx + ecx + 0x20]
shr ecx, 2
xor dl, cl
mov ecx, dword [ebp - 0x1c]
mov ebx, dword [ebp - 0xc]
and cx, si
and dl, 0xf
add eax, ecx
mov ecx, dword [ebp - 4]
and cx, si
add eax, ecx
lea eax, [eax + edi + 0x20]
shr eax, 2
xor dl, al
mov eax, dword [ebp - 8]
inc dword [ebp - 8]
mov byte [eax], dl
mov edx, dword [ebp - 0x10]
inc ebx
inc ebx
inc edx
inc edx
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edx
jb 0x5db4d2
mov ecx, dword [ebp - 0x14]
mov ebx, dword [ebp - 0x18]
mov edi, dword [ebp - 0x24]
mov eax, dword [ebp - 0x28]
mov edx, dword [eax + 4]
add ecx, dword [edx + 0x60]
mov eax, dword [eax]
mov edx, dword [eax + 0x60]
lea ebx, [ebx + edx*2]
cmp ebx, edi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
jb 0x5db4b4
pop esi
pop edi
xor eax, eax
pop ebx
leave
ret
Function at 0x60a429
Capabilities:
Enumerate pe sections

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
push esi
push edi
xor eax, eax
mov edi, edx
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
mov esi, dword [ecx + 4]
test esi, esi
je 0x60a44a
mov eax, dword [ecx]
mov eax, dword [eax + 8]
add eax, esi
jmp 0x60a44c
xor eax, eax
mov dword [edx], eax
movzx eax, word [ecx + 8]
mov dword [edx + 4], eax
movzx eax, word [ecx + 0xa]
mov dword [edx + 8], eax
movzx eax, word [ecx + 0xc]
mov dword [edx + 0xc], eax
mov eax, dword [ecx + 0x18]
movzx eax, word [eax]
mov dword [edx + 0x10], eax
mov eax, dword [ecx + 0x18]
movzx eax, word [eax + 2]
mov dword [edx + 0x14], eax
mov eax, dword [ecx + 0x18]
movzx eax, word [eax + 4]
mov dword [edx + 0x18], eax
mov eax, dword [ecx + 0x18]
movzx eax, word [eax + 6]
mov dword [edx + 0x1c], eax
mov eax, dword [ecx + 0x18]
movzx eax, word [eax + 8]
mov dword [edx + 0x20], eax
mov eax, dword [ecx + 0x18]
movzx eax, word [eax + 0xa]
mov dword [edx + 0x24], eax
mov eax, dword [edx + 0x20]
imul eax, dword [edx + 0x18]
imul eax, dword [edx + 0x1c]
shl eax, 2
mov dword [edx + 0x28], eax
mov esi, dword [ecx + 0x14]
test esi, esi
je 0x60a4bf
mov eax, dword [ecx]
mov eax, dword [eax + 8]
add eax, esi
jmp 0x60a4c1
xor eax, eax
pop edi
mov dword [edx + 0x2c], eax
xor eax, eax
pop esi
pop ebp
ret 4
Function at 0x62b1e8
Capabilities:
Enumerate pe sections

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x18
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
imul esi, esi, 0x64
mov edi, dword [ebp + 8]
imul edi, edi, 0x64
add edi, dword [ecx + 0x2c]
mov dword [ebp - 4], ecx
add esi, dword [edi + 4]
mov eax, dword [esi + 0x38]
mov ecx, dword [eax]
push eax
call dword [ecx + 0xc]
mov ebx, eax
mov eax, dword [ebx + 0xc]
add eax, dword [edi]
xor ecx, ecx
mov dword [ebp - 8], eax
mov eax, dword [ebx + 4]
mov dword [ebp + 0xc], eax
mov eax, dword [ebp - 4]
test byte [eax + 0x118], 1
mov dword [ebp - 0xc], ecx
mov dword [ebp + 8], ecx
jne 0x62b25e
push ecx
push ecx
call fcn.005caabb
mov ecx, dword [ebp - 4]
push 0x30000
push 0
mov dword [ecx + 0x114], eax
call fcn.005caabb
mov eax, dword [ebp - 4]
add esp, 0x10
or dword [eax + 0x118], 1
xor edx, edx
cmp dword [esi + 0x3c], edx
je 0x62b339
mov ecx, dword [edi]
mov eax, dword [ebx + 0x10]
add eax, ecx
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x14]
add eax, ecx
mov dword [ebp - 0x18], eax
mov eax, dword [ebx + 0x18]
add eax, ecx
cmp word [esi + 0x4e], dx
mov dword [ebp - 0x14], eax
mov dword [ebp + 8], edx
jbe 0x62b32b
movzx ecx, word [ebp + 8]
shl ecx, 5
add ecx, dword [esi + 0x34]
cmp dword [ecx], edx
je 0x62b318
mov eax, dword [ecx + 4]
mov dword [ecx], eax
mov eax, dword [ecx + 0x10]
movzx edx, word [eax + 4]
sub edx, 0
je 0x62b2f3
dec edx
je 0x62b2cc
dec edx
jne 0x62b318
push 0xffffffffffffffff
lea edx, [ebp - 0xc]
push edx
movzx edx, word [eax + 8]
push eax
movzx eax, word [eax + 6]
shl eax, 5
add eax, dword [ebp - 0x10]
jmp 0x62b2e1
push 0xffffffffffffffff
lea edx, [ebp - 0xc]
push edx
movzx edx, word [eax + 8]
push eax
movzx eax, word [eax + 6]
shl eax, 5
add eax, dword [ebp - 0x14]
push dword [esi + 0x3c]
push edx
push eax
push dword [ecx + 0xc]
mov ecx, dword [ebp - 4]
call fcn.0062a682
jmp 0x62b318
push 0xffffffffffffffff
lea edx, [ebp - 0xc]
push edx
movzx edx, word [eax + 8]
push eax
push dword [esi + 0x3c]
movzx eax, word [eax + 6]
push edx
mov edx, dword [ebp - 0x18]
lea eax, [edx + eax*8]
push eax
push dword [ecx + 0xc]
mov ecx, dword [ebp - 4]
call fcn.0062aa1b
inc dword [ebp + 8]
mov ax, word [ebp + 8]
xor edx, edx
cmp ax, word [esi + 0x4e]
jb 0x62b290
mov edi, dword [edi]
add edi, dword [ebx + 0x10]
mov eax, dword [ebx + 8]
mov dword [ebp - 0xc], edi
mov dword [ebp + 8], eax
push dword [ebp + 0xc]
push dword [ebp + 0xc]
push dword [ebp + 0xc]
push edx
push dword [ebp + 8]
push edx
push dword [ebp - 8]
push dword [ebp - 8]
push dword [ebp - 8]
push edx
push dword [ebp - 0xc]
push edx
push dword [esi + 0x44]
push dword [esi + 0x40]
call fcn.005e96b6
pop edi
pop esi
pop ebx
leave
ret 8
Function at 0x638560
Capabilities:
Check for software breakpoints

Disassembly:
cmp dword [esi + 0x14], 0xcc
je 0x638583
mov eax, dword [esi + 0x1a8]
push esi
call dword [eax]
mov dword [esi + 0x8c], 0
mov dword [esi + 0x14], 0xcc
mov ecx, dword [esi + 0x1a8]
mov eax, dword [ecx + 8]
test eax, eax
je 0x6385a9
mov eax, dword [esi]
push esi
mov dword [eax + 0x14], 0x30
call dword [eax]
mov edx, dword [esi + 0x1a8]
mov eax, dword [edx + 8]
test eax, eax
jne 0x638590
mov edx, dword [esi + 0x44]
xor eax, eax
test edx, edx
setne al
add eax, 0xcd
mov dword [esi + 0x14], eax
mov eax, 1
ret

Function at 0x638660
Capabilities:
Check for software breakpoints

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
cmp dword [esi + 0x14], 0xca
jne 0x638697
push esi
call fcn.0066a1d0
mov eax, dword [esi + 0x40]
test eax, eax
je 0x638690
mov dword [esi + 0x14], 0xcf
mov eax, 1
pop esi
pop ebp
ret 4
mov dword [esi + 0x14], 0xcb
mov ecx, dword [esi + 0x14]
cmp ecx, 0xcb
jne 0x638716
mov eax, dword [esi + 0x1b8]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x638700
nop
mov eax, dword [esi + 8]
test eax, eax
je 0x6386ba
push esi
call dword [eax]
mov ecx, dword [esi + 0x1b8]
push esi
call dword [ecx]
test eax, eax
je 0x6386f9
cmp eax, 2
je 0x638700
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x6386b0
cmp eax, 3
je 0x6386dd
cmp eax, 1
jne 0x6386b0
mov eax, dword [ecx + 4]
inc eax
mov dword [ecx + 4], eax
cmp eax, dword [ecx + 8]
jl 0x6386b0
mov eax, dword [ecx + 8]
mov edx, dword [esi + 0x144]
add eax, edx
mov dword [ecx + 8], eax
jmp 0x6386b0
xor eax, eax
pop esi
pop ebp
ret 4
mov eax, dword [esi + 0x94]
mov dword [esi + 0x9c], eax
call fcn.00638560
pop esi
pop ebp
ret 4
cmp ecx, 0xcc
je 0x63872d
mov eax, dword [esi]
mov dword [eax + 0x14], 0x14
push esi
mov dword [eax + 0x18], ecx
call dword [eax]
call fcn.00638560
pop esi
pop ebp
ret 4
Function at 0x66b656
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov edx, dword [esp + 8]
test edx, edx
jne 0x66b665
xor eax, eax
jmp 0x66b748
mov eax, dword [esp + 0xc]
cmp eax, 8
push ebx
push esi
mov esi, dword [esp + 0xc]
not esi
mov ecx, 0xff
jb 0x66b728
push edi
mov edi, eax
shr edi, 3
xor ebx, ebx
mov bl, byte [edx]
sub eax, 8
xor ebx, esi
and ebx, ecx
shr esi, 8
xor esi, dword [ebx*4 + 0x6dda68]
xor ebx, ebx
inc edx
mov bl, byte [edx]
xor ebx, esi
and ebx, ecx
shr esi, 8
xor esi, dword [ebx*4 + 0x6dda68]
xor ebx, ebx
inc edx
mov bl, byte [edx]
xor ebx, esi
and ebx, ecx
shr esi, 8
xor esi, dword [ebx*4 + 0x6dda68]
xor ebx, ebx
inc edx
mov bl, byte [edx]
xor ebx, esi
and ebx, ecx
shr esi, 8
xor esi, dword [ebx*4 + 0x6dda68]
xor ebx, ebx
inc edx
mov bl, byte [edx]
xor ebx, esi
and ebx, ecx
shr esi, 8
xor esi, dword [ebx*4 + 0x6dda68]
xor ebx, ebx
inc edx
mov bl, byte [edx]
xor ebx, esi
and ebx, ecx
shr esi, 8
xor esi, dword [ebx*4 + 0x6dda68]
xor ebx, ebx
inc edx
mov bl, byte [edx]
xor ebx, esi
and ebx, ecx
shr esi, 8
xor esi, dword [ebx*4 + 0x6dda68]
xor ebx, ebx
inc edx
mov bl, byte [edx]
xor ebx, esi
and ebx, ecx
shr esi, 8
xor esi, dword [ebx*4 + 0x6dda68]
inc edx
dec edi
jne 0x66b685
pop edi
test eax, eax
je 0x66b742
xor ebx, ebx
mov bl, byte [edx]
xor ebx, esi
and ebx, ecx
shr esi, 8
xor esi, dword [ebx*4 + 0x6dda68]
inc edx
dec eax
jne 0x66b72c
mov eax, esi
pop esi
not eax
pop ebx
ret 0xc
Function at 0x66b8e9
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov edx, dword [ebx + 0x24]
push esi
mov dword [ebp - 8], edx
push edi
mov ecx, dword [ebx + 0x64]
mov eax, dword [ebx + 0x34]
mov esi, dword [ebx + 0x6c]
sub eax, ecx
sub eax, esi
mov dword [ebp - 4], eax
jne 0x66b915
test ecx, ecx
jne 0x66b91f
test esi, esi
jne 0x66b91f
mov eax, edx
jmp 0x66b990
cmp eax, 0xffffffff
jne 0x66b91f
push 0xfffffffffffffffe
pop eax
jmp 0x66b990
mov esi, dword [ebx + 0x24]
lea esi, [edx + esi - 0x106]
cmp ecx, esi
jb 0x66b990
mov edi, dword [ebx + 0x30]
mov ecx, edx
mov eax, ecx
shr ecx, 2
lea esi, [edi + edx]
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebx + 0x44]
mov eax, dword [ebx + 0x3c]
sub dword [ebx + 0x68], edx
sub dword [ebx + 0x64], edx
sub dword [ebx + 0x54], edx
lea eax, [eax + ecx*2]
dec eax
dec eax
movzx esi, word [eax]
mov edi, esi
sub edi, edx
cmp esi, edx
sbb esi, esi
not esi
and esi, edi
dec ecx
mov word [eax], si
jne 0x66b955
mov eax, dword [ebx + 0x38]
mov esi, edx
lea eax, [eax + edx*2]
dec eax
dec eax
movzx ecx, word [eax]
mov edi, ecx
sub edi, edx
cmp ecx, edx
sbb ecx, ecx
not ecx
and ecx, edi
dec esi
mov word [eax], cx
jne 0x66b974
mov eax, dword [ebp - 4]
add eax, edx
mov esi, dword [ebx]
cmp dword [esi + 4], 0
mov dword [ebp - 0xc], esi
je 0x66ba3d
mov edi, dword [ebx + 0x6c]
add edi, dword [ebx + 0x64]
mov ecx, dword [esi + 4]
add edi, dword [ebx + 0x30]
cmp ecx, eax
mov dword [ebp - 4], ecx
jbe 0x66b9b5
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jne 0x66b9bf
xor ecx, ecx
jmp 0x66b9fe
sub ecx, dword [ebp - 4]
mov eax, dword [esi + 0x1c]
mov dword [esi + 4], ecx
cmp dword [eax + 0x18], 0
jne 0x66b9e1
push dword [ebp - 4]
push dword [esi]
push dword [esi + 0x30]
call fcn.00691ee8
mov edx, dword [ebp - 8]
mov dword [esi + 0x30], eax
mov ecx, dword [ebp - 4]
mov esi, dword [esi]
mov eax, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, eax
mov eax, dword [ebp - 0xc]
add dword [eax], ecx
add dword [eax + 8], ecx
add dword [ebx + 0x6c], ecx
mov edi, dword [ebx + 0x6c]
cmp edi, 3
jb 0x66ba29
mov eax, dword [ebx + 0x64]
mov ecx, dword [ebx + 0x30]
lea esi, [eax + ecx]
movzx eax, byte [esi]
mov ecx, dword [ebx + 0x50]
mov dword [ebx + 0x40], eax
shl eax, cl
movzx ecx, byte [esi + 1]
xor eax, ecx
and eax, dword [ebx + 0x4c]
mov dword [ebx + 0x40], eax
cmp edi, 0x106
jae 0x66ba3d
mov eax, dword [ebx]
cmp dword [eax + 4], 0
jne 0x66b8f7
pop edi
pop esi
leave
ret
Function at 0x2a417b4
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
imul edx, dword [0x2a5703c], 0x8088405
inc edx
mov dword [0x2a5703c], edx
mul edx
mov eax, edx
ret

Function at 0x2a483ac
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffefc
mov ebp, edx
mov dword [esp], eax
xor ebx, ebx
mov esi, dword [esp]
lea edi, [esp + 4]
mov byte [esi], bl
mov eax, ebx
cdq
idiv ecx
add edx, ebp
mov al, byte [edx]
mov byte [edi], al
inc ebx
inc edi
inc esi
cmp ebx, 0x100
jne 0x2a483c4
xor esi, esi
mov ebx, pe_nt_image_headers32
mov eax, dword [esp]
lea edi, [esp + 4]
mov dl, byte [eax]
xor ecx, ecx
mov cl, dl
add esi, ecx
xor ecx, ecx
mov cl, byte [edi]
add esi, ecx
and esi, 0xff
mov ecx, dword [esp]
mov cl, byte [ecx + esi]
mov byte [eax], cl
mov ecx, dword [esp]
mov byte [ecx + esi], dl
inc edi
inc eax
dec ebx
jne 0x2a483ea
mov edx, dword [esp]
mov eax, dword [esp]
add eax, 0x100
mov ecx, pe_nt_image_headers32
call fcn.02a44250
add esp, 0x104
pop ebp
pop edi
pop esi
pop ebx
ret

Function at 0x2a48444
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffec
push ebx
push esi
push edi
mov dword [ebp - 8], ecx
mov dword [ebp - 4], edx
xor ecx, ecx
xor edx, edx
mov ebx, dword [ebp + 8]
dec ebx
test ebx, ebx
jl 0x2a484d5
inc ebx
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x10], 0
inc ecx
and cl, 0xff
xor ebx, ebx
mov bl, cl
add dl, byte [eax + ebx]
and dl, 0xff
xor ebx, ebx
mov bl, cl
mov bl, byte [eax + ebx]
mov byte [ebp - 9], bl
mov esi, edx
and esi, 0xff
xor ebx, ebx
mov bl, cl
lea edi, [eax + ebx]
mov bl, byte [eax + esi]
mov byte [edi], bl
mov bl, byte [ebp - 9]
mov byte [eax + esi], bl
xor ebx, ebx
mov bl, cl
mov bl, byte [eax + ebx]
mov esi, edx
and esi, 0xff
add bl, byte [eax + esi]
and bl, 0xff
mov byte [ebp - 9], bl
mov ebx, dword [ebp - 4]
mov esi, dword [ebp - 0x10]
mov bl, byte [ebx + esi]
movzx esi, byte [ebp - 9]
xor bl, byte [eax + esi]
mov esi, dword [ebp - 8]
mov edi, dword [ebp - 0x10]
mov byte [esi + edi], bl
inc dword [ebp - 0x10]
dec dword [ebp - 0x14]
jne 0x2a4846a
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x2a4aad4
Capabilities:
Hash data with md5

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff58
push ebx
push esi
push edi
mov ebx, dword [ebp + 0x10]
xor eax, eax
mov dword [ebp - 0x54], eax
xor eax, eax
mov dword [ebp - 0x58], eax
xor edi, edi
mov dword [ebp - 0x10], 0x67452301
mov dword [ebp - 0xc], 0xefcdab89
mov dword [ebp - 8], 0x98badcfe
mov dword [ebp - 4], 0x10325476
mov eax, ebx
shl eax, 3
mov edx, eax
add edx, dword [ebp - 0x54]
cmp edx, dword [ebp - 0x54]
jae 0x2a4ab1d
inc dword [ebp - 0x58]
add dword [ebp - 0x54], eax
mov eax, ebx
shr eax, 0x1d
add dword [ebp - 0x58], eax
mov esi, dword [ebp + 0xc]
cmp ebx, 0x40
jb 0x2a4ab45
mov edx, esi
lea eax, [ebp - 0x10]
call fcn.02a4abe4
add esi, 0x40
sub ebx, 0x40
cmp ebx, 0x40
jae 0x2a4ab30
test ebx, ebx
jbe 0x2a4ab5a
mov edi, ebx
lea eax, [ebp - 0xa8]
mov ecx, edi
mov edx, esi
call fcn.02a44250
push edi
lea esi, [ebp - 0x10]
lea edi, [ebp - 0x68]
mov ecx, 4
rep movsd dword es:[edi], dword [esi]
pop edi
lea edx, [ebp - 0xa8]
lea eax, [ebp - 0x50]
mov ecx, edi
call fcn.02a44250
mov byte [ebp + edi - 0x50], 0x80
lea eax, [edi + 1]
cmp eax, 0x38
jbe 0x2a4aba3
mov edx, 0x40
sub edx, eax
lea eax, [ebp + eax - 0x50]
call fcn.02a44264
lea edx, [ebp - 0x50]
lea eax, [ebp - 0x68]
call fcn.02a4abe4
xor eax, eax
mov edx, 0x38
sub edx, eax
lea eax, [ebp + eax - 0x50]
call fcn.02a44264
mov eax, dword [ebp - 0x54]
mov dword [ebp - 0x18], eax
mov eax, dword [ebp - 0x58]
mov dword [ebp - 0x14], eax
lea edx, [ebp - 0x50]
lea eax, [ebp - 0x68]
call fcn.02a4abe4
mov eax, dword [ebp + 8]
mov edi, eax
lea esi, [ebp - 0x68]
mov ecx, 4
rep movsd dword es:[edi], dword [esi]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc