joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b2890
Capabilities:
Encode data using xor
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
push ebx
push esi
push edi
xor edi, edi
xor esi, esi
mov dword [ebp - 8], edi
jmp 0x4b28b2
mov eax, dword [ebp + 8]
push edi
push 0x80
push 3
push edi
push 1
push SysReAllocStringLen
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4b296a
lea ecx, [ebp - 0x10]
push ecx
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
test eax, eax
je 0x4b2955
mov eax, dword [ebp - 0xc]
test eax, eax
mov eax, dword [ebp - 0x10]
jg 0x4b2955
jl 0x4b28f9
cmp eax, 0x6400000
ja 0x4b2955
push eax
call dword [sym.imp.MSVCRT.dll_malloc]
mov esi, eax
add esp, 4
test esi, esi
je 0x4b2955
mov eax, dword [ebp - 0x10]
lea edx, [ebp - 4]
push 0
push edx
push eax
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x4b2955
mov eax, dword [ebp - 4]
test eax, eax
jbe 0x4b2939
mov cl, byte [edi + esi]
dec cl
xor cl, 0x55
mov byte [edi + esi], cl
mov eax, dword [ebp - 4]
inc edi
cmp edi, eax
jb 0x4b2926
mov edx, dword [ebp + 0x10]
mov eax, dword [ebp + 0xc]
push edx
push eax
push esi
call fcn.004b27f0
add esp, 0xc
test eax, eax
je 0x4b2955
mov dword [ebp - 8], 1
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test esi, esi
je 0x4b296a
push esi
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
jmp 0x4b297a
mov eax, dword [ebp - 8]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4b2d60
Capabilities:
Decompress data using quicklz

Disassembly:
push ebx
push ebp
mov ebp, dword [esp + 0xc]
push esi
push edi
push ebp
call fcn.004b2cb0
mov ebx, dword [esp + 0x1c]
mov esi, eax
mov eax, dword [esp + 0x20]
push ebp
add esi, ebp
mov edi, 1
lea ecx, [ebx + eax - 1]
mov dword [esp + 0x20], ecx
call fcn.004b2c60
add esp, 8
cmp edi, 1
jne 0x4b2d9a
mov edi, dword [esi]
add esi, 4
mov eax, dword [esi]
mov edx, edi
and edx, 1
cmp dl, 1
jne 0x4b2e4f
shr edi, 1
test al, 3
mov dword [esp + 0x14], edi
jne 0x4b2dc4
shr eax, 2
and eax, 0x3f
inc esi
mov ecx, eax
mov eax, 3
jmp 0x4b2e2b
test al, 2
jne 0x4b2ddc
shr eax, 2
and eax, 0x3fff
add esi, 2
mov ecx, eax
mov eax, 3
jmp 0x4b2e2b
test al, 1
mov ecx, eax
jne 0x4b2df9
shr eax, 2
shr ecx, 6
and eax, 0xf
and ecx, 0x3ff
add eax, 3
add esi, 2
jmp 0x4b2e2b
and ecx, 0x7f
cmp cl, 3
mov ecx, eax
je 0x4b2e1a
shr eax, 2
shr ecx, 7
and eax, 0x1f
and ecx, 0x1ffff
add eax, 2
add esi, 3
jmp 0x4b2e2b
shr eax, 7
and eax, 0xff
shr ecx, 0xf
add eax, 3
add esi, 4
mov edx, ebx
xor edi, edi
sub edx, ecx
mov ecx, ebx
sub edx, ebx
mov ebp, dword [edx + ecx]
add edi, 3
mov dword [ecx], ebp
add ecx, 3
cmp edi, eax
jb 0x4b2e35
mov edi, dword [esp + 0x14]
add ebx, eax
jmp 0x4b2d90
mov edx, dword [esp + 0x18]
lea ecx, [edx - 0xa]
cmp ebx, ecx
jae 0x4b2e73
mov edx, edi
and edx, 0xf
mov ecx, dword [edx*4 + 0x51bf54]
mov dword [ebx], eax
shr edi, cl
add ebx, ecx
add esi, ecx
jmp 0x4b2d90
cmp ebx, edx
ja 0x4b2e90
cmp edi, 1
jne 0x4b2e84
add esi, 4
mov edi, SysReAllocStringLen
mov al, byte [esi]
mov byte [ebx], al
inc ebx
inc esi
shr edi, 1
cmp ebx, edx
jbe 0x4b2e77
mov eax, dword [esp + 0x1c]
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x827700
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x94000]
push edi
or ebp, 0xffffffff
jmp 0x827722
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x827729
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x827718
mov eax, 1
add ebx, ebx
jne 0x82773b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x82774c
jne 0x82776b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x82776b
dec eax
add ebx, ebx
jne 0x827758
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
jmp 0x827730
add ebx, ebx
jne 0x827767
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jmp 0x8277bd
xor ecx, ecx
sub eax, 3
jb 0x827783
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x8277f2
sar eax, 1
mov ebp, eax
jmp 0x82778e
add ebx, ebx
jne 0x82778e
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x82775c
inc ecx
add ebx, ebx
jne 0x82779c
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x82775c
add ebx, ebx
jne 0x8277a9
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x82779e
jne 0x8277ba
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x82779e
add ecx, 2
cmp ebp, 0xfffffb00
adc ecx, 2
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x8277dc
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x8277ce
jmp 0x82771e
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x8277dc
add edi, ecx
jmp 0x82771e
pop esi
mov edi, esi
mov ecx, 0x4d24
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x8277fa
cmp byte [edi], 0x13
jne 0x8277fa
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x8277ff
lea edi, [esi + 0x3e1000]
mov eax, dword [edi]
or eax, eax
je 0x82786e
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x42f8e8]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x42faa0]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x82782c
mov ecx, edi
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x42faa4]
or eax, eax
je 0x827868
mov dword [ebx], eax
add ebx, 4
jmp 0x827849
call dword [esi + 0x42fab4]
mov ebp, dword [esi + 0x42faa8]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x21f]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x8278a2
sub esp, 0xffffff80
jmp 0x48f888
Function at 0x4c1974
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x50
push ebp
lea eax, [esp + 0x28]
push edi
push eax
call fcn.004c1b24
mov ecx, dword [esp + 0x5c]
xor edx, edx
xor ebp, ebp
mov dword [esp + 0xc], 1
mov edi, dword [ecx]
mov dword [esp + 0x10], 8
mov dword [esp + 0x14], 2
mov dword [esp + 0x18], 4
mov dx, word [edi + 0x14]
cmp word [edi + 6], bp
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x20], 0x80
mov dword [esp + 0x24], 0x20
mov dword [esp + 0x28], 0x40
lea eax, [edx + edi + 0x18]
jbe 0x4c1a72
push ebx
push esi
lea ebx, [eax + 0x24]
mov eax, dword [ebx]
mov ecx, eax
mov edx, eax
shr ecx, 0x1d
shr edx, 0x1e
mov esi, eax
and ecx, 1
and edx, 1
shr esi, 0x1f
test eax, 0x2000000
je 0x4c1a15
mov eax, dword [ebx - 0x14]
mov ecx, dword [ebx - 0x1c]
push 0x4000
push eax
push ecx
call dword [esp + 0x4c]
jmp 0x4c1a58
lea edx, [edx + ecx*2]
test eax, 0x4000000
lea ecx, [esi + edx*2]
mov esi, dword [esp + ecx*4 + 0x14]
je 0x4c1a2c
or esi, 0x200
mov edx, dword [ebx - 0x14]
mov ecx, edx
test ecx, ecx
jne 0x4c1a47
test al, 0x40
je 0x4c1a3e
mov ecx, dword [edi + 0x20]
jmp 0x4c1a45
test al, 0x80
je 0x4c1a58
mov ecx, dword [edi + 0x24]
test ecx, ecx
jbe 0x4c1a58
mov ecx, dword [ebx - 0x1c]
lea eax, [esp + 0x10]
push eax
push esi
push edx
push ecx
call dword [esp + 0x44]
mov edx, dword [esp + 0x64]
xor eax, eax
inc ebp
add ebx, 0x28
mov edi, dword [edx]
mov ax, word [edi + 6]
cmp ebp, eax
jl 0x4c19e4
pop esi
pop ebx
pop edi
pop ebp
add esp, 0x50
ret
Function at 0x40fe20
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x50
push ebp
lea eax, [esp + 0x28]
push edi
push eax
call fcn.0040ffd0
mov ecx, dword [esp + 0x5c]
xor edx, edx
xor ebp, ebp
mov dword [esp + 0xc], 1
mov edi, dword [ecx]
mov dword [esp + 0x10], 8
mov dword [esp + 0x14], 2
mov dword [esp + 0x18], 4
mov dx, word [edi + 0x14]
cmp word [edi + 6], bp
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x20], 0x80
mov dword [esp + 0x24], 0x20
mov dword [esp + 0x28], 0x40
lea eax, [edx + edi + 0x18]
jbe 0x40ff1e
push ebx
push esi
lea ebx, [eax + 0x24]
mov eax, dword [ebx]
mov ecx, eax
mov edx, eax
shr ecx, 0x1d
shr edx, 0x1e
mov esi, eax
and ecx, 1
and edx, 1
shr esi, 0x1f
test eax, 0x2000000
je 0x40fec1
mov eax, dword [ebx - 0x14]
mov ecx, dword [ebx - 0x1c]
push 0x4000
push eax
push ecx
call dword [esp + 0x4c]
jmp 0x40ff04
lea edx, [edx + ecx*2]
test eax, 0x4000000
lea ecx, [esi + edx*2]
mov esi, dword [esp + ecx*4 + 0x14]
je 0x40fed8
or esi, 0x200
mov edx, dword [ebx - 0x14]
mov ecx, edx
test ecx, ecx
jne 0x40fef3
test al, 0x40
je 0x40feea
mov ecx, dword [edi + 0x20]
jmp 0x40fef1
test al, 0x80
je 0x40ff04
mov ecx, dword [edi + 0x24]
test ecx, ecx
jbe 0x40ff04
mov ecx, dword [ebx - 0x1c]
lea eax, [esp + 0x10]
push eax
push esi
push edx
push ecx
call dword [esp + 0x44]
mov edx, dword [esp + 0x64]
xor eax, eax
inc ebp
add ebx, 0x28
mov edi, dword [edx]
mov ax, word [edi + 6]
cmp ebp, eax
jl 0x40fe90
pop esi
pop ebx
pop edi
pop ebp
add esp, 0x50
ret
Function at 0x41552c
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
push ebx
xor eax, eax
mov ebx, dword fs:[0x18]
mov ecx, dword fs:[0x30]
test ecx, ecx
jns 0x415564
mov ecx, 0x530000
cmp dword [ebx + 0x58], ecx
jne 0x415552
mov al, 1
jmp 0x4155c3
cmp dword [ebx + 0x54], ecx
jne 0x41555b
mov al, 2
jmp 0x4155c3
cmp dword [ebx + 0x7c], ecx
jne 0x4155c3
mov al, 3
jmp 0x4155c3
mov ebx, dword [ecx + 0xa8]
mov ecx, dword [ecx + 0xa4]
cmp ecx, 4
ja 0x415579
mov al, 4
jmp 0x4155c3
cmp ecx, 5
jne 0x415599
cmp ebx, 0
jne 0x415587
mov al, 5
jmp 0x4155c3
cmp ebx, 1
jne 0x415590
mov al, 6
jmp 0x4155c3
cmp ebx, 2
jne 0x415599
mov al, 7
jmp 0x4155c3
cmp ecx, 6
jne 0x4155c1
cmp ebx, 0
jne 0x4155a7
mov al, 8
jmp 0x4155c3
cmp ebx, 1
jne 0x4155ae
mov al, 9
cmp ebx, 2
jne 0x4155b5
mov al, 0xa
cmp ebx, 3
jne 0x4155bc
mov al, 0xb
cmp ebx, 4
jne 0x4155c3
mov al, 0xc
pop ebx
leave
ret
Function at 0x42c6a0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4d3e3b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.004c8447
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x42c722
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004c5da0
mov eax, dword [eax]
push 0xc72234
push eax
call fcn.004acda4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004c86d2
test bl, bl
je 0x42c722
push 0xc72234
lea ecx, [esp + 0xc]
call fcn.004c8a62
push 0xc75de4
lea ecx, [esp + 0xc]
call fcn.004c8a62
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x42c75e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004c86d2
jmp 0x42c829
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x42c7e2
lea edx, [esp + 0x7c]
push 0xc75de0
push edx
call fcn.004acda4
add esp, 8
test eax, eax
je 0x42c7e2
lea eax, [esp + 0x7c]
push 0xc75ddc
push eax
call fcn.004acda4
add esp, 8
test eax, eax
je 0x42c7e2
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x42c772
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.004c86d2
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x42d040
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x42d0a2
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x42d0b0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4d3ebb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0xc86fb0]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x42d1e8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x42d116
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004c86d2
xor eax, eax
jmp 0x42d25f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004c880f
push esi
lea ecx, [esp + 0xc]
call fcn.004c8a9e
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0xc75e1c
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x42d23d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.0042d040
test eax, eax
jne 0x42d23d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push accept
mov ecx, edi
call fcn.0042d040
test eax, eax
jne 0x42d23d
lea eax, [esp + 0x14]
push 0xc75df8
push eax
call fcn.004ade20
mov esi, eax
add esp, 8
test esi, esi
jne 0x42d21c
lea ecx, [esp + 0x14]
push 0xc75df4
push ecx
call fcn.004adda0
mov esi, eax
add esp, 8
test esi, esi
jne 0x42d21c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x42d21f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004c87bf
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x42d12e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004c86d2
xor eax, eax
jmp 0x42d25f
mov byte [esi], 0
push 0xc75df0
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.004c86d2
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4
Function at 0x4422b0
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x44231e
cmp si, 0x69
ja 0x44231e
add esi, 0xffd0
cmp si, 0x11
je 0x4422ee
push 0x11
call edi
test ax, ax
jge 0x4422ee
or esi, 0x2000
cmp si, 0x10
je 0x442303
push 0x10
call edi
test ax, ax
jge 0x442303
or esi, 0x4000
cmp si, 0x12
je 0x442318
push 0x12
call edi
test ax, ax
jge 0x442318
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x44232b
mov esi, 0xbd
jmp 0x4422df
cmp si, 0x6e
jne 0x442338
mov esi, 0xbe
jmp 0x4422df
cmp si, 0x6f
jne 0x4422d9
mov esi, 0xbf
jmp 0x4422df

Function at 0x443b90
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0xc97848]
xor edx, edx
cmp eax, edx
jne 0x443bb6
xor eax, eax
mov byte [eax + 0xc97748], al
inc eax
cmp eax, 0x100
jl 0x443b9e
mov dword [0xc97848], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0xc97748
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x443c47
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x443c1a
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x443be8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x443cc0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x443d13
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x443cfa
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x44aaa0
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x18
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
xor esi, esi
xor ecx, ecx
mov si, word [eax + 8]
mov cx, word [eax + 4]
xor ebp, ebp
xor edx, edx
mov bp, word [eax + 0xa]
mov dx, word [eax + 6]
sub esi, ecx
sub ebp, edx
inc esi
xor ebx, ebx
inc ebp
cmp esi, ebx
mov dword [esp + 0x14], esi
jle 0x44ac38
cmp ebp, ebx
jle 0x44ac38
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, 0x80000007
mov dword [esp + 0x10], edi
jns 0x44aafe
dec eax
or eax, 0xfffffff8
inc eax
je 0x44ab05
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x44ab14
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x44ab1b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.004c8413
add esp, 4
cmp eax, ebx
je 0x44ab3c
mov dword [eax], ebx
mov dword [eax + 4], ebx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], ebx
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], ebx
mov ebx, eax
mov eax, edi
mov dword [esp + 0x14], ebx
imul eax, ebp
push eax
mov dword [ebx], 7
mov dword [ebx + 4], esi
mov dword [ebx + 8], ebp
mov dword [ebx + 0x14], eax
call fcn.004c8413
mov ecx, dword [ebx + 0x14]
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx + 0x10], edi
add esp, 4
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
test ebp, ebp
lea edx, [eax + 0x80]
jle 0x44ac2e
xor eax, eax
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], eax
mov ebp, dword [ebx + 0x10]
xor ecx, ecx
add ebp, eax
mov dword [esp + 0x2c], ecx
test esi, esi
jle 0x44ac15
mov al, byte [edx]
cmp al, 0xc0
jbe 0x44ac01
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x44abf6
xor eax, eax
mov ecx, esi
mov al, byte [edx]
mov edx, ecx
mov bl, al
mov edi, ebp
mov bh, bl
dec esi
mov eax, ebx
shl eax, 0x10
mov ax, bx
mov ebx, dword [esp + 0x14]
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
mov edx, dword [esp + 0x24]
and ecx, 3
add ebp, esi
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
lea ecx, [eax + esi*8]
mov esi, dword [esp + 0x18]
jmp 0x44ac04
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x44ac04
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x44aba0
mov eax, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov ecx, dword [esp + 0x20]
add eax, edi
dec ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ecx
jne 0x44ab91
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x18
ret

Function at 0x44d6b0
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x190
push esi
mov esi, ecx
call fcn.004c9c83
lea eax, [esp + 4]
mov dword [esi], method.CWnd.virtual_0
push eax
push 0x101
call dword [sym.imp.WS2_32.dll_WSAStartup]
neg eax
sbb eax, eax
mov dword [esi + 0x44], 0x4d12
inc eax
mov dword [esi + 0x40], 0xffffffff
mov dword [esi + 0x3c], eax
mov eax, esi
pop esi
add esp, 0x190
ret
Function at 0x44d830
Capabilities:
Resolve dns

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x10]
test esi, esi
je 0x44d8b7
cmp byte [esi], 0
je 0x44d8b7
mov ebx, dword [esp + 0xc]
xor eax, eax
mov ecx, ebx
mov edx, dword [esp + 0x14]
push edx
mov dword [ecx], eax
mov dword [ecx + 4], eax
mov dword [ecx + 8], eax
mov dword [ecx + 0xc], eax
call dword [sym.imp.WS2_32.dll_htons]
push esi
mov word [ebx + 2], ax
call dword [sym.imp.WS2_32.dll_inet_addr]
cmp eax, 0xffffffff
jne 0x44d8a5
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
je 0x44d8b7
movsx ecx, word [eax + 0xa]
mov edx, dword [eax + 0xc]
push edi
lea edi, [ebx + 4]
mov esi, dword [edx]
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ax, word [eax + 8]
pop edi
mov word [ebx], ax
pop esi
mov eax, 1
pop ebx
ret 0xc
mov dword [ebx + 4], eax
mov word [ebx], 2
pop esi
mov eax, 1
pop ebx
ret 0xc
pop esi
xor eax, eax
pop ebx
ret 0xc

Function at 0x44da93
Capabilities:
Connect socket

Disassembly:
sub esp, 0x10
push esi
mov esi, ecx
mov eax, dword [esi]
call dword [eax + 0xbc]
test eax, eax
je 0x44db02
mov ecx, dword [esp + 0x1c]
mov edx, dword [esp + 0x18]
push ecx
lea eax, [esp + 8]
push edx
push eax
mov ecx, esi
call fcn.0044d830
test eax, eax
je 0x44db02
mov edx, dword [esi + 0x40]
lea ecx, [esp + 4]
push 0x10
push ecx
push edx
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x44dafb
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x40]
push 0x21
push 0x8078
push eax
push ecx
call dword [sym.imp.WS2_32.dll_WSAAsyncSelect]
cmp eax, 0xffffffff
je 0x44dafb
mov eax, 1
mov dword [esi + 0x48], eax
pop esi
add esp, 0x10
ret 8
mov ecx, esi
call fcn.0044da60
xor eax, eax
pop esi
add esp, 0x10
ret 8

Function at 0x44eb00
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x4d5af8
push eax
mov dword fs:[0], esp
sub esp, 0x28
push esi
push edi
mov edi, dword [esp + 0x44]
mov esi, ecx
test edi, edi
jne 0x44eb39
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x28]
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24
push 0x400
lea ecx, [esp + 0xc]
call fcn.004cfdc0
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.004cfe0c
mov ecx, dword [esp + 0x60]
mov edx, dword [esp + 0x5c]
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
mov edx, dword [esp + 0x58]
push eax
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
push eax
lea edx, [esp + 0x20]
push ecx
push edx
mov ecx, esi
call fcn.0044ebc0
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.004cfe49
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24