joyce8/EMBER2024-capa huggingface dataset:
Function at 0x402bf0
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x2276008], 0x8088405
inc edx
mov dword [ebx + 0x2276008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x404464
Capabilities:
Packed with generic packer

Disassembly:
test edx, edx
je 0x4044c9
test ecx, ecx
je fcn.0040419c
cmp edx, dword [eax]
je 0x4044d0
cmp ecx, dword [eax]
je 0x404486
push eax
push ecx
call fcn.0040419c
pop edx
pop eax
jmp fcn.00404420
push ebx
push esi
push edi
mov ebx, edx
mov esi, ecx
push eax
mov eax, dword [ebx - 4]
add eax, dword [esi - 4]
call fcn.0040420c
mov edi, eax
mov edx, eax
mov eax, ebx
mov ecx, dword [ebx - 4]
call fcn.0040293c
mov edx, edi
mov eax, esi
mov ecx, dword [esi - 4]
add edx, dword [ebx - 4]
call fcn.0040293c
pop eax
mov edx, edi
test edi, edi
je 0x4044c0
dec dword [edi - 8]
call fcn.0040419c
pop edi
pop esi
pop ebx
ret
mov edx, ecx
jmp fcn.0040419c
mov edx, ecx
jmp fcn.00404420

Function at 0x42f7c4
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
push ebp
mov edi, ecx
mov ecx, dword [ebp + 8]
mov esi, ecx
shr esi, 2
je 0x42f7f1
lea edi, [edi + esi*4]
lea edx, [edx + esi*4]
lea eax, [eax + esi*4]
neg esi
mov ebx, dword [eax + esi*4]
mov ebp, dword [edx + esi*4]
mov dword [edi + esi*4], ebx
xor dword [eax + esi*4], ebp
inc esi
jne 0x42f7e2
and ecx, 3
je 0x42f809
mov bl, byte [ecx + eax - 1]
mov bh, byte [ecx + edx - 1]
mov byte [ecx + edi - 1], bl
xor byte [ecx + eax - 1], bh
dec ecx
jne 0x42f7f6
pop ebp
pop esi
pop edi
pop ebx
pop ebp
ret 4

Function at 0x42f814
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
push ebp
mov edi, dword [ebp + 0xc]
mov esi, dword [ebp + 8]
push esi
shr esi, 2
je 0x42f84d
lea ecx, [ecx + esi*4]
lea edi, [edi + esi*4]
lea edx, [edx + esi*4]
lea eax, [eax + esi*4]
neg esi
mov ebp, dword [eax + esi*4]
mov ebx, dword [edi + esi*4]
xor ebx, dword [edx + esi*4]
mov dword [edx + esi*4], ebx
xor ebx, dword [ecx + esi*4]
mov dword [edi + esi*4], ebp
mov dword [eax + esi*4], ebx
inc esi
jne 0x42f835
pop esi
and esi, 3
je 0x42f872
mov bl, byte [esi + eax - 1]
mov bh, byte [esi + edx - 1]
xor bh, byte [esi + edi - 1]
mov byte [esi + edx - 1], bh
xor bh, byte [esi + ecx - 1]
mov byte [esi + edi - 1], bl
mov byte [esi + eax - 1], bh
dec esi
jne 0x42f853
pop ebp
pop esi
pop edi
pop ebx
pop ebp
ret 8

Function at 0x42f87c
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
mov edi, ecx
mov ecx, dword [ebp + 8]
mov esi, ecx
shr esi, 2
je 0x42f8a8
lea edi, [edi + esi*4]
lea edx, [edx + esi*4]
lea eax, [eax + esi*4]
neg esi
mov ebx, dword [edx + esi*4]
xor ebx, dword [eax + esi*4]
mov dword [edi + esi*4], ebx
mov dword [eax + esi*4], ebx
inc esi
jne 0x42f899
and ecx, 3
je 0x42f8c0
mov bl, byte [ecx + edx - 1]
xor bl, byte [ecx + eax - 1]
mov byte [ecx + edi - 1], bl
mov byte [ecx + eax - 1], bl
dec ecx
jne 0x42f8ad
pop esi
pop edi
pop ebx
pop ebp
ret 4
Function at 0x42f8c8
Capabilities:
Encode data using xor

Disassembly:
push ebx
push edi
shr ecx, 1
lea edi, [eax + ecx*8]
lea edx, [edx + ecx*8]
neg ecx
mov ebx, dword [edx + ecx*8]
mov eax, dword [edx + ecx*8 + 4]
xor dword [edi + ecx*8], ebx
xor dword [edi + ecx*8 + 4], eax
inc ecx
jne 0x42f8d4
pop edi
pop ebx
ret

Function at 0x4301f0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffec
push ebx
push esi
push edi
mov dword [ebp - 8], ecx
mov ebx, edx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax]
call dword [eax + 0x20]
mov esi, eax
mov eax, esi
shr eax, 2
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 4]
call fcn.0042fe48
mov dword [ebp - 0x10], eax
xor edx, edx
push ebp
push 0x219632f
push dword fs:[edx]
mov dword fs:[edx], esp
mov eax, esi
add eax, eax
push eax
mov eax, dword [ebp - 8]
pop edx
mov ecx, edx
cdq
idiv ecx
mov edi, eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 8]
mov dword [ebp - 0x14], eax
dec edi
test edi, edi
jl 0x43029e
inc edi
mov edx, dword [ebp - 0x10]
mov eax, ebx
mov ecx, esi
call fcn.0040293c
mov edx, ebx
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx + 0x54]
mov edx, dword [ebp - 0x14]
mov eax, ebx
mov ecx, dword [ebp - 0xc]
call fcn.0042f8c8
lea eax, [ebx + esi]
mov ebx, eax
mov edx, dword [ebp - 0x14]
mov eax, ebx
mov ecx, esi
call fcn.0040293c
mov edx, ebx
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx + 0x54]
mov edx, dword [ebp - 0x10]
mov eax, ebx
mov ecx, dword [ebp - 0xc]
call fcn.0042f8c8
lea eax, [ebx + esi]
mov ebx, eax
dec edi
jne 0x43024b
mov eax, esi
add eax, eax
push eax
mov eax, dword [ebp - 8]
pop edx
mov ecx, edx
cdq
idiv ecx
mov edi, edx
cmp esi, edi
jg 0x4302ec
mov edx, dword [ebp - 0x10]
mov eax, ebx
mov ecx, esi
call fcn.0040293c
mov edx, ebx
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx + 0x54]
mov edx, dword [ebp - 0x14]
mov eax, ebx
mov ecx, dword [ebp - 0xc]
call fcn.0042f8c8
mov eax, dword [ebp - 4]
mov edx, dword [eax + 8]
mov eax, dword [ebp - 0x10]
mov ecx, esi
call fcn.0040293c
lea eax, [ebx + esi]
mov ebx, eax
sub edi, esi
test edi, edi
jle 0x430316
mov eax, dword [ebp - 4]
mov edx, dword [eax + 8]
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx + 0x5c]
dec edi
test edi, edi
jl 0x430316
inc edi
xor eax, eax
mov edx, dword [ebp - 4]
mov edx, dword [edx + 8]
mov dl, byte [edx + eax]
xor byte [ebx + eax], dl
inc eax
dec edi
jne 0x430306
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x2196336
lea edx, [ebp - 0x10]
mov eax, dword [ebp - 4]
call fcn.0042ffe4
ret
Function at 0x43eaf8
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
xor ebx, ebx
mov bl, dl
dec ebx
test ebx, ebx
jl 0x43eb4c
inc ebx
xor edx, edx
mov ecx, edx
shl ecx, 2
movzx esi, byte [eax + ecx]
lea esi, [esi*4 + 0x2276814]
mov esi, dword [esi]
movzx edi, byte [eax + ecx + 1]
lea edi, [edi*4 + 0x2276c14]
xor esi, dword [edi]
movzx edi, byte [eax + ecx + 2]
lea edi, [edi*4 + 0x2277014]
xor esi, dword [edi]
movzx edi, byte [eax + ecx + 3]
lea edi, [edi*4 + 0x2277414]
xor esi, dword [edi]
lea ecx, [eax + ecx]
mov dword [ecx], esi
inc edx
dec ebx
jne 0x43eb07
pop edi
pop esi
pop ebx
ret

Function at 0x465378
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffeec
push ebx
push esi
push edi
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
mov edi, dword [ebp + 0xc]
cmp dword [ebp - 0xc], 0
jle 0x465438
xor ebx, ebx
lea esi, [ebp - 0x114]
mov eax, dword [ebp + 8]
xor edx, edx
push edx
push eax
mov eax, ebx
cdq
call fcn.00405410
mov al, byte [edi + eax]
mov byte [esi], al
inc ebx
inc esi
cmp ebx, 0x100
jne 0x4653a2
xor edx, edx
mov byte [ebp - 0xd], 0
mov eax, dword [ebp - 0xc]
dec eax
test eax, eax
jl 0x465438
inc eax
mov dword [ebp - 0x14], eax
xor ebx, ebx
inc edx
and dl, 0xff
mov esi, edx
and esi, 0xff
mov al, byte [ebp + esi - 0x114]
mov cl, byte [ebp - 0xd]
add cl, al
and cl, 0xff
mov byte [ebp - 0xd], cl
xor ecx, ecx
mov cl, byte [ebp - 0xd]
mov cl, byte [ebp + ecx - 0x114]
mov byte [ebp + esi - 0x114], cl
xor ecx, ecx
mov cl, byte [ebp - 0xd]
mov byte [ebp + ecx - 0x114], al
add al, byte [ebp + esi - 0x114]
and al, 0xff
mov ecx, dword [ebp - 4]
mov cl, byte [ecx + ebx]
and eax, 0xff
xor cl, byte [ebp + eax - 0x114]
mov eax, dword [ebp - 8]
mov byte [eax + ebx], cl
inc ebx
dec dword [ebp - 0x14]
jne 0x4653d4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8

Function at 0x465444
Capabilities:
Encode data using xor
Encrypt data using rc4 ksa
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffef0
push ebx
push esi
push edi
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
mov edi, dword [ebp + 8]
mov ebx, dword [ebp + 0xc]
cmp dword [ebp - 0xc], 0
jle 0x4654fc
xor esi, esi
lea ecx, [ebp - 0x110]
mov eax, esi
cdq
idiv edi
mov al, byte [ebx + edx]
mov byte [ecx], al
inc esi
inc ecx
cmp esi, 0x100
jne 0x465471
xor edx, edx
xor ecx, ecx
mov eax, dword [ebp - 0xc]
dec eax
test eax, eax
jl 0x4654fc
inc eax
mov dword [ebp - 0x10], eax
xor esi, esi
inc edx
and dl, 0xff
xor eax, eax
mov al, dl
mov al, byte [ebp + eax - 0x110]
lea ecx, [eax + ecx]
and cl, 0xff
xor ebx, ebx
mov bl, cl
mov bl, byte [ebp + ebx - 0x110]
mov edi, edx
and edi, 0xff
mov byte [ebp + edi - 0x110], bl
xor ebx, ebx
mov bl, cl
mov byte [ebp + ebx - 0x110], al
xor ebx, ebx
mov bl, dl
add al, byte [ebp + ebx - 0x110]
and al, 0xff
mov ebx, dword [ebp - 4]
mov bl, byte [ebx + esi]
and eax, 0xff
xor bl, byte [ebp + eax - 0x110]
mov eax, dword [ebp - 8]
mov byte [eax + esi], bl
inc esi
dec dword [ebp - 0x10]
jne 0x465497
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x465508
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xffffff00
mov edi, ecx
mov ecx, edx
mov ebp, eax
test cl, cl
jbe 0x46556f
xor ebx, ebx
mov esi, esp
mov byte [edi + ebx], bl
xor eax, eax
mov al, cl
push eax
mov eax, ebx
pop edx
push ecx
mov ecx, edx
cdq
idiv ecx
pop ecx
mov al, byte [ebp + edx]
mov byte [esi], al
inc ebx
inc esi
cmp ebx, 0x100
jne 0x465520
xor eax, eax
xor ebx, ebx
mov esi, esp
mov dl, byte [edi + ebx]
xor ecx, ecx
mov cl, dl
add eax, ecx
xor ecx, ecx
mov cl, byte [esi]
add eax, ecx
and eax, 0xff
mov cl, byte [edi + eax]
mov byte [edi + ebx], cl
mov byte [edi + eax], dl
inc ebx
inc esi
cmp ebx, 0x100
jne 0x465548
add esp, 0x100
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x4ad404
Capabilities:
Get number of processors

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe0
push ebx
push esi
push edi
mov esi, edx
lea edi, [ebp - 0x18]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
mov ebx, ecx
mov dword [ebp - 4], eax
mov esi, dword [0x2288948]
mov eax, dword [ebp - 4]
mov byte [eax + 0x210], 1
xor eax, eax
push ebp
push 0x22135dd
push dword fs:[eax]
mov dword fs:[eax], esp
mov edx, ebx
mov eax, dword [ebp - 4]
call fcn.004a55d4
add dword [ebp - 0xc], 4
lea edx, [ebp - 0x18]
mov eax, dword [ebp - 4]
call fcn.004a67fc
mov eax, dword [esi]
call fcn.004940e4
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x4c]
add edx, dword [ebp - 0x14]
cmp eax, edx
jge 0x4ad476
mov eax, dword [esi]
call fcn.004940e4
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x4c]
mov dword [ebp - 0x14], eax
mov eax, dword [esi]
call fcn.004940f0
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x48]
add edx, dword [ebp - 0x18]
cmp eax, edx
jge 0x4ad49a
mov eax, dword [esi]
call fcn.004940f0
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x48]
mov dword [ebp - 0x18], eax
mov eax, dword [esi]
call fcn.004940d8
cmp eax, dword [ebp - 0x18]
jle 0x4ad4b0
mov eax, dword [esi]
call fcn.004940d8
mov dword [ebp - 0x18], eax
mov eax, dword [esi]
call fcn.004940cc
cmp eax, dword [ebp - 0xc]
jle 0x4ad4c6
mov eax, dword [esi]
call fcn.004940cc
mov dword [ebp - 0xc], eax
push 0x10
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x4c]
push eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x48]
push eax
mov eax, dword [ebp - 0x14]
push eax
mov eax, dword [ebp - 0x18]
push eax
push 0xffffffffffffffff
mov eax, dword [ebp - 4]
call fcn.004abd8c
push eax
call fcn.00407808
call fcn.00406d28
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x214]
cmp eax, 0xfa
jbe 0x4ad58d
mov eax, ebx
call fcn.00404418
cmp eax, 0x64
jge 0x4ad58d
cmp dword [0x22866d4], 0
je 0x4ad58d
push 0
lea eax, [ebp - 8]
push eax
push 0
push 0x1016
call fcn.00407858
cmp dword [ebp - 8], 0
je 0x4ad58d
push 0
lea eax, [ebp - 8]
push eax
push 0
push 0x1018
call fcn.00407858
cmp dword [ebp - 8], 0
je 0x4ad550
mov bl, 2
jmp 0x4ad56b
lea edx, [ebp - 0x20]
mov eax, dword [0x2290830]
call fcn.004b069c
mov eax, dword [ebp - 0x1c]
cmp eax, dword [ebp - 0x14]
jle 0x4ad569
xor ebx, ebx
jmp 0x4ad56b
mov bl, 1
xor eax, eax
mov al, bl
mov eax, dword [eax*4 + 0x22867dc]
or eax, 0x40000
push eax
push 0x64
mov eax, dword [ebp - 4]
call fcn.004abd8c
push eax
call dword [0x22866d4]
mov eax, dword [0x2288778]
mov eax, dword [eax]
mov edx, dword [eax + 0x30]
mov eax, dword [ebp - 4]
call fcn.004a94c0
push 4
mov eax, dword [ebp - 4]
call fcn.004abd8c
push eax
call fcn.00407850
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x7c]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x22135e4
call fcn.00406d28
mov edx, dword [ebp - 4]
mov dword [edx + 0x214], eax
mov eax, dword [ebp - 4]
mov byte [eax + 0x210], 0
ret
Function at 0x4d0848
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
mov ebx, edx
xor edx, edx
push ebp
push 0x2236936
push dword fs:[edx]
mov dword fs:[edx], esp
xor edx, edx
mov dword [ebp - 8], edx
mov esi, ebx
xor ecx, ecx
cmp byte [eax + 0x6a], 0
je 0x4d0897
mov eax, ebx
xor edx, edx
push edx
push eax
mov eax, dword [esi + 0x3c]
cdq
add eax, dword [esp]
adc edx, dword [esp + 4]
add esp, 8
mov edx, dword [eax + 0x88]
test edx, edx
je 0x4d08b6
mov ecx, edx
add ecx, ebx
jmp 0x4d08b6
mov eax, ebx
xor edx, edx
push edx
push eax
mov eax, dword [esi + 0x3c]
cdq
add eax, dword [esp]
adc edx, dword [esp + 4]
add esp, 8
mov edx, dword [eax + 0x78]
test edx, edx
je 0x4d08b6
mov ecx, edx
add ecx, ebx
test ecx, ecx
je 0x4d0928
mov esi, dword [ecx + 0x18]
mov eax, dword [ecx + 0x1c]
add eax, ebx
mov dword [ebp - 0x10], eax
mov edi, dword [ecx + 0x20]
add edi, ebx
mov eax, dword [ecx + 0x24]
add eax, ebx
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 4]
cmp eax, 0xffff
jbe 0x4d0911
test esi, esi
jbe 0x4d0928
mov eax, dword [edi]
add eax, ebx
mov edx, dword [ebp - 4]
call fcn.0040a510
test eax, eax
jne 0x4d0903
mov eax, dword [ebp - 0xc]
movzx eax, word [eax]
shl eax, 2
add eax, dword [ebp - 0x10]
mov eax, dword [eax]
mov dword [ebp - 8], eax
jmp 0x4d0928
add dword [ebp - 0xc], 2
add edi, 4
dec esi
test esi, esi
ja 0x4d08e0
jmp 0x4d0928
mov edx, eax
sub edx, dword [ecx + 0x10]
cmp edx, dword [ecx + 0x14]
jae 0x4d0928
mov eax, edx
shl eax, 2
add eax, dword [ebp - 0x10]
mov eax, dword [eax]
mov dword [ebp - 8], eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x223693d
ret
Function at 0x4d1bc8
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x10], ebx
mov word [ebp - 4], cx
mov byte [ebp - 1], dl
xor eax, eax
push ebp
push 0x2237de3
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp + 8]
call fcn.00404868
xor ebx, ebx
mov eax, ebx
and eax, 0x80000001
jns 0x4d1c03
dec eax
or eax, 0xfffffffe
inc eax
test eax, eax
jne 0x4d1c1c
lea eax, [ebp - 0x10]
mov edx, dword [0x2288760]
mov edx, dword [edx]
mov edx, dword [edx + 0xc]
call fcn.004048c8
jmp 0x4d1c2f
lea eax, [ebp - 0x10]
mov edx, dword [0x2288760]
mov edx, dword [edx]
mov edx, dword [edx + 0x10]
call fcn.004048c8
lea eax, [ebp - 0x10]
mov edx, ebx
sar edx, 1
jns 0x4d1c3b
adc edx, 0
mov edx, dword [edx*4 + 0x2286d0c]
call fcn.00404ac8
push 0
push 0x80
push 3
push 0
push 1
push 0x80000000
mov eax, dword [ebp - 0x10]
call fcn.00404aac
push eax
call fcn.00406a50
mov esi, eax
cmp esi, 0xffffffff
je 0x4d1db5
mov eax, 0x40
call fcn.00402724
mov edi, eax
push 0
lea eax, [ebp - 8]
push eax
push 0x40
push edi
push esi
call fcn.00406e80
test eax, eax
je 0x4d1da8
mov eax, edi
cmp word [eax], 0x5a4d
jne 0x4d1da8
push 0
push 0
mov eax, dword [eax + 0x3c]
push eax
push esi
call fcn.00406ef8
mov eax, edi
call fcn.00402744
mov eax, 0x18
call fcn.00402724
mov edi, eax
push 0
lea eax, [ebp - 8]
push eax
push 0x18
push edi
push esi
call fcn.00406e80
test eax, eax
je 0x4d1da8
mov eax, edi
cmp dword [eax], 0x4550
jne 0x4d1da8
add eax, 4
mov dword [ebp - 0xc], eax
cmp byte [ebp - 1], 0
je 0x4d1d46
mov eax, dword [ebp - 0xc]
cmp word [eax], 0x8664
jne 0x4d1d46
mov eax, edi
call fcn.00402744
mov eax, 0xf0
call fcn.00402724
mov edi, eax
push 0
lea eax, [ebp - 8]
push eax
push 0xf0
push edi
push esi
call fcn.00406e80
test eax, eax
je 0x4d1d46
mov eax, edi
mov dx, word [eax + 0x44]
cmp dx, word [ebp - 4]
jne 0x4d1d46
mov eax, dword [eax + 0x10]
mov edx, dword [ebp + 0xc]
mov dword [edx], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp - 0x10]
call fcn.004048a4
cmp byte [ebp - 1], 0
jne 0x4d1da8
mov eax, dword [ebp - 0xc]
cmp word [eax], 0x14c
jb 0x4d1da8
mov eax, dword [ebp - 0xc]
cmp word [eax], 0x150
ja 0x4d1da8
mov eax, edi
call fcn.00402744
mov eax, 0xe0
call fcn.00402724
mov edi, eax
push 0
lea eax, [ebp - 8]
push eax
push 0xe0
push edi
push esi
call fcn.00406e80
test eax, eax
je 0x4d1da8
mov eax, edi
mov dx, word [eax + 0x44]
cmp dx, word [ebp - 4]
jne 0x4d1da8
mov eax, dword [eax + 0x10]
mov edx, dword [ebp + 0xc]
mov dword [edx], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp - 0x10]
call fcn.004048a4
mov eax, edi
call fcn.00402744
push esi
call fcn.00406a08
mov eax, dword [ebp + 8]
mov eax, dword [eax]
xor edx, edx
call fcn.00404bd4
jne 0x4d1dcd
inc ebx
cmp ebx, 0x19
jne 0x4d1bf5
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x2237dea
lea eax, [ebp - 0x10]
call fcn.00404868
ret
Function at 0x40644e
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x23c
push esi
mov esi, 0x104
lea eax, [ebp - 0x23c]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
cmp eax, esi
pop esi
jbe 0x406472
xor eax, eax
test eax, eax
je 0x406485
cmp word [ebp + eax*2 - 0x23e], 0x5c
je 0x406485
xor ecx, ecx
jmp 0x406488
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx*2 + 0x40a014]
lea eax, [ebp + eax*2 - 0x23c]
push ecx
push str._s_S.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea eax, [ebp - 0x23c]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
leave
ret 4

Function at 0x40656f
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x4318ec], 0
push esi
jne 0x4065a6
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x406580
mov dword [ecx*4 + 0x4318e8], eax
inc ecx
cmp ecx, 0x100
jl 0x40657b
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x4065d7
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x4318e8]
xor eax, esi
inc ecx
dec edx
jne 0x4065b9
pop edi
not eax
pop esi
ret 0xc

Function at 0x430006
Capabilities:
Encode data using xor

Disassembly:
mov eax, section..text
nop
push 4
nop
nop
nop
nop
pop edi
nop
nop
nop
nop
nop
nop
nop
cmp eax, 0
nop
nop
je 0x430072
nop
nop
nop
nop
mov ebx, 0x408f6c
nop
nop
mov ecx, ebx
nop
nop
nop
nop
nop
nop
sub ecx, eax
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
pop eax
nop
nop
nop
nop
nop
mov esi, 0x2a7d412a
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x430060
nop
mov eax, section..data
nop
cmp eax, 0
nop
nop
je 0x4300d2
nop
nop
nop
nop
nop
mov ebx, 0x42e3d0
nop
nop
nop
mov ecx, ebx
nop
sub ecx, eax
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
mov eax, ecx
nop
div edi
nop
nop
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
pop eax
nop
nop
mov esi, 0x783d577f
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
loop 0x4300c0
nop
nop
nop
popal
nop
nop
nop
nop
nop
jmp 0x401219
Function at 0x4029ec
Capabilities:
Get common file path
Set current directory

Disassembly:
push ebx
push esi
add esp, 0xfffffdf4
mov esi, edx
mov ebx, eax
test bl, bl
je 0x402a29
xor eax, eax
mov al, bl
add eax, 0x41
dec eax
mov byte [esp], al
mov byte [esp + 1], 0x3a
mov byte [esp + 2], 0
lea eax, [esp + 0x108]
push eax
push 0x104
call sub.kernel32.dll_GetCurrentDirectoryA
push esp
call sub.kernel32.dll_SetCurrentDirectoryA
lea eax, [esp + 4]
push eax
push 0x104
call sub.kernel32.dll_GetCurrentDirectoryA
test bl, bl
je 0x402a49
lea eax, [esp + 0x108]
push eax
call sub.kernel32.dll_SetCurrentDirectoryA
mov eax, esi
lea edx, [esp + 4]
mov ecx, 0x104
call fcn.004040f4
add esp, 0x20c
pop esi
pop ebx
ret

Function at 0x402c04
Capabilities:
Accept command line arguments

Disassembly:
push ebx
push esi
push edi
add esp, 0xfffffef8
mov esi, edx
mov ebx, eax
test ebx, ebx
jne 0x402c33
push 0x105
lea eax, [esp + 4]
push eax
push 0
call sub.kernel32.dll_GetModuleFileNameA
mov ecx, eax
mov edx, esp
mov eax, esi
call fcn.00403fac
jmp 0x402c51
call sub.kernel32.dll_GetCommandLineA
mov edi, eax
mov edx, esi
mov eax, edi
call fcn.00402b38
mov edi, eax
test ebx, ebx
je 0x402c51
cmp dword [esi], 0
je 0x402c51
dec ebx
jmp 0x402c3a
add esp, 0x108
pop edi
pop esi
pop ebx
ret

Function at 0x402f0c
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
imul edx, dword [0x574044], 0x8088405
inc edx
mov dword [0x574044], edx
mul edx
mov eax, edx
ret

Function at 0x402f24
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
imul edx, dword [0x574044], 0x8088405
inc edx
mov dword [0x574044], edx
fld qword [0x56d02c]
push 0
push edx
fild qword [esp]
add esp, 8
fscale
fstp st(1)
ret

Function at 0x40312c
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [section.DATA]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x4031c4
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
jne 0x4031a4
xor eax, eax
push ebp
push 0x40319d
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x4031e0
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegQueryValueExA
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4031a4
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
mov ax, word [section.DATA]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [section.DATA], ax
mov esp, ebp
pop ebp
ret

Function at 0x403e7c
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, ecx
mov esi, edx
mov ebx, eax
mov eax, 8
call fcn.00402870
mov dword [eax], edi
mov edx, dword [ebp + 0x10]
mov dword [eax + 4], edx
mov byte [0x574049], 1
mov edx, dword [ebp + 8]
push edx
mov edx, dword [ebp + 0xc]
push edx
push eax
mov eax, 0x403e44
push eax
push esi
push ebx
call sub.kernel32.dll_CreateThread
pop edi
pop esi
pop ebx
pop ebp
ret 0xc