joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40a218
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
mov edx, dword [0x419f44]
push ebx
mov ecx, edx
mov ebx, dword [0x419d24]
xor ecx, eax
and ecx, 0xff
shr edx, 8
mov ecx, dword [ebx + ecx*4]
xor ecx, edx
mov dword [0x419f44], ecx
and ecx, 0xff
add dword [0x419f48], ecx
imul edx, dword [0x419f48], 0x8088405
inc edx
mov dword [0x419f48], edx
shr edx, 0x18
mov ecx, dword [0x419f4c]
xor edx, ecx
mov ebx, dword [0x419d24]
and edx, 0xff
shr ecx, 8
mov edx, dword [ebx + edx*4]
xor edx, ecx
mov dword [0x419f4c], edx
pop ebx
ret

Function at 0x40a460
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov edi, ecx
mov esi, edx
mov ebx, eax
test esi, esi
jne 0x40a474
xor eax, eax
jmp 0x40a56c
call fcn.0040a458
xor ebx, 0xffffffff
cmp edi, 8
jb 0x40a549
xor edx, edx
sub edi, 8
mov dl, byte [esi]
inc esi
xor edx, ebx
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
cmp edi, 8
mov ebx, ecx
jae 0x40a485
test edi, edi
je 0x40a567
xor edx, edx
mov dl, byte [esi]
inc esi
xor edx, ebx
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
dec edi
mov ebx, ecx
jne 0x40a54d
mov eax, ebx
xor eax, 0xffffffff
pop edi
pop esi
pop ebx
ret

Function at 0x408922
Capabilities:
Encode data using xor

Disassembly:
push 0x4085d8
pop ecx
call fcn.00408949
sub eax, 0x14827624
xor dword [esi], ecx
or edx, eax
add eax, 0x4ce7cdc5
inc esi
add eax, eax
sub eax, eax
cmp esi, ebx
jne fcn.00408922
dec eax
ret

Function at 0x433000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
nop
mov eax, section..retplne
nop
mov ebx, 0x40de38
nop
mov ecx, 0x6f152ba3
nop
nop
nop
nop
test eax, eax
nop
je 0x43304e
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
inc eax
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x433024
nop
mov eax, section..reloc
mov ebx, 0x4304d8
nop
mov ecx, 0x44a441cf
nop
nop
nop
nop
test eax, eax
nop
nop
nop
je 0x433084
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
jne 0x43306c
nop
nop
nop
nop
nop
nop
nop
popal
jmp 0x431219
Function at 0x4841f0
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x41000]
push edi
or ebp, 0xffffffff
jmp 0x484212
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x484219
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x484208
mov eax, 1
add ebx, ebx
jne 0x48422b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x484220
jne 0x48423c
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x484220
xor ecx, ecx
sub eax, 3
jb 0x484250
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x4842c2
mov ebp, eax
add ebx, ebx
jne 0x48425b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x484268
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x48428c
inc ecx
add ebx, ebx
jne 0x484278
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x48426d
jne 0x484289
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x48426d
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x4842ac
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x48429d
jmp 0x48420e
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x4842ac
add edi, ecx
jmp 0x48420e
pop esi
mov edi, esi
mov ecx, 0x6ac
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x4842ca
cmp byte [edi], 0xa
jne 0x4842ca
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 eax, ebx
loop 0x4842cf
lea edi, [esi + 0x82000]
mov eax, dword [edi]
or eax, eax
je 0x484343
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x85f3a]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x85fee]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x4842fc
mov ecx, edi
jns 0x48432b
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x85ff2]
or eax, eax
je 0x484341
mov dword [ebx], eax
add ebx, 4
jmp 0x484319
popal
ret
popal
jmp 0x40c59f
Function at 0xb2e700
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x58c000]
push edi
or ebp, 0xffffffff
jmp 0xb2e722
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0xb2e729
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0xb2e718
mov eax, 1
add ebx, ebx
jne 0xb2e73b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0xb2e74c
jne 0xb2e76b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0xb2e76b
dec eax
add ebx, ebx
jne 0xb2e758
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
jmp 0xb2e730
add ebx, ebx
jne 0xb2e767
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jmp 0xb2e7bd
xor ecx, ecx
sub eax, 3
jb 0xb2e783
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0xb2e7f2
sar eax, 1
mov ebp, eax
jmp 0xb2e78e
add ebx, ebx
jne 0xb2e78e
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0xb2e75c
inc ecx
add ebx, ebx
jne 0xb2e79c
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0xb2e75c
add ebx, ebx
jne 0xb2e7a9
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0xb2e79e
jne 0xb2e7ba
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0xb2e79e
add ecx, 2
cmp ebp, 0xfffffb00
adc ecx, 2
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0xb2e7dc
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0xb2e7ce
jmp 0xb2e71e
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0xb2e7dc
add edi, ecx
jmp 0xb2e71e
pop esi
mov edi, esi
mov ecx, 0x11fdf
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0xb2e7fa
cmp byte [edi], 0x24
jne 0xb2e7fa
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 0xb2e7ff
lea edi, [esi + 0x72b000]
mov eax, dword [edi]
or eax, eax
je 0xb2e877
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x72fd1c]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x72fe5c]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0xb2e82c
mov ecx, edi
jns 0xb2e85b
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x72fe60]
or eax, eax
je 0xb2e871
mov dword [ebx], eax
add ebx, 4
jmp 0xb2e849
call dword [esi + 0x72fe70]
mov ebp, dword [esi + 0x72fe64]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x22f]
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 0xb2e8ab
sub esp, 0xffffff80
jmp 0x616a53
Function at 0x401f10
Capabilities:
Get disk information
Inspect load icon resource
Read file on windows

Disassembly:
mov eax, dword [esp + 4]
sub esp, 0x148
push ebx
push esi
push edi
push 0x65
push eax
call dword [sym.imp.USER32.dll_LoadIconA]
lea ecx, [esp + 0xc]
call fcn.00401000
lea ecx, [esp + 0x50]
push 0x104
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea edx, [esp + 0x50]
lea ecx, [esp + 0xc]
push edx
call fcn.004012b0
test eax, eax
je 0x402021
lea eax, [esp + 0x50]
push 0x404030
push eax
call dword [sym.imp.MSVCRT.dll_fopen]
mov esi, eax
add esp, 8
test esi, esi
je 0x402084
lea ecx, [esp + 0x50]
push ecx
lea ecx, [esp + 0x10]
call fcn.00401290
mov edi, dword [sym.imp.MSVCRT.dll_fseek]
sub eax, 8
push 0
push eax
push esi
call edi
mov ebx, dword [sym.imp.MSVCRT.dll_fread]
push esi
push 1
lea edx, [esp + 0x24]
push 8
push edx
call ebx
mov eax, dword [esp + 0x2c]
push 0
push eax
push esi
call edi
push esi
push 1
lea ecx, [esp + 0x48]
push 0x38
push ecx
call ebx
push esi
call dword [sym.imp.MSVCRT.dll_fclose]
mov eax, dword [esp + 0x88]
mov edx, dword [esp + 0x50]
add esp, 0x3c
test eax, eax
mov eax, dword [esp + 0x10]
push edx
push eax
jne 0x401ffe
sub esp, 0x38
mov ecx, 0xe
lea esi, [esp + 0x58]
mov edi, esp
rep movsd dword es:[edi], dword [esi]
lea ecx, [esp + 0x90]
push ecx
lea ecx, [esp + 0x50]
call fcn.00401800
jmp 0x402084
sub esp, 0x38
mov ecx, 0xe
lea esi, [esp + 0x58]
mov edi, esp
rep movsd dword es:[edi], dword [esi]
lea ecx, [esp + 0x90]
push ecx
lea ecx, [esp + 0x50]
call fcn.00401a90
jmp 0x402084
lea ecx, [esp + 0x10]
call sub.MFC42.DLL_CString::CString_1
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
mov edi, eax
mov esi, 1
xor ebx, ebx
test edi, esi
je 0x40206a
mov dl, bl
lea ecx, [esp + 0x10]
add dl, 0x41
push edx
call sub.MFC42.DLL_CString::operator_1
push 0x40412c
lea ecx, [esp + 0x14]
call fcn.004020e2
lea ecx, [esp + 0xc]
mov eax, dword [esp + 0x10]
push eax
push 0
call fcn.00401cf0
add esi, esi
inc ebx
cmp ebx, 0x1a
jl 0x402039
lea ecx, [esp + 0xc]
call fcn.00401040
lea ecx, [esp + 0x10]
call sub.MFC42.DLL_CString::CString
lea ecx, [esp + 0xc]
call fcn.00401030
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x148
ret 0x10

Function at 0x4229d0
Capabilities:
Encode data using xor

Disassembly:
mov ecx, edx
mov edx, eax
xor eax, eax
rol ax, 5
xor al, byte [edx]
inc edx
dec ecx
jne 0x4229d6
ret
Function at 0x40a430
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x47f26b
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.00473966
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40a4b2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0047187d
mov eax, dword [eax]
push 0x4ad1c0
push eax
call fcn.00463934
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00473bf1
test bl, bl
je 0x40a4b2
push 0x4ad1c0
lea ecx, [esp + 0xc]
call fcn.00473f81
push 0x4b0d54
lea ecx, [esp + 0xc]
call fcn.00473f81
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 0x40a4ee
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00473bf1
jmp 0x40a5b9
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 0x40a572
lea edx, [esp + 0x7c]
push 0x4b0d50
push edx
call fcn.00463934
add esp, 8
test eax, eax
je 0x40a572
lea eax, [esp + 0x7c]
push 0x4b0d4c
push eax
call fcn.00463934
add esp, 8
test eax, eax
je 0x40a572
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 0x40a502
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.00473bf1
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 0x40adb0
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 0x40ae12
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 0x40ae20
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x47f2eb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4bd600]
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 0x40af58
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40ae86
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00473bf1
xor eax, eax
jmp 0x40afcf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00473d2e
push esi
lea ecx, [esp + 0xc]
call fcn.00473fbd
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40afad
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push connect
call fcn.0040adb0
test eax, eax
jne 0x40afad
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 connect
mov ecx, edi
call fcn.0040adb0
test eax, eax
jne 0x40afad
lea eax, [esp + 0x14]
push 0x4b0d68
push eax
call fcn.00464970
mov esi, eax
add esp, 8
test esi, esi
jne 0x40af8c
lea ecx, [esp + 0x14]
push 0x4b0d64
push ecx
call fcn.004648f0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40af8c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40af8f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00473cde
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40ae9e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00473bf1
xor eax, eax
jmp 0x40afcf
mov byte [esi], 0
push 0x4b0d60
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.00473bf1
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 0x41bc70
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 0x41bcde
cmp si, 0x69
ja 0x41bcde
add esi, 0xffd0
cmp si, 0x11
je 0x41bcae
push 0x11
call edi
test ax, ax
jge 0x41bcae
or esi, 0x2000
cmp si, 0x10
je 0x41bcc3
push 0x10
call edi
test ax, ax
jge 0x41bcc3
or esi, 0x4000
cmp si, 0x12
je 0x41bcd8
push 0x12
call edi
test ax, ax
jge 0x41bcd8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41bceb
mov esi, 0xbd
jmp 0x41bc9f
cmp si, 0x6e
jne 0x41bcf8
mov esi, 0xbe
jmp 0x41bc9f
cmp si, 0x6f
jne 0x41bc99
mov esi, 0xbf
jmp 0x41bc9f

Function at 0x41d390
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4cdc60]
xor edx, edx
cmp eax, edx
jne 0x41d3b6
xor eax, eax
mov byte [eax + 0x4cdb60], al
inc eax
cmp eax, 0x100
jl 0x41d39e
mov dword [0x4cdc60], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4cdb60
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41d447
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 0x41d41a
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 0x41d3e8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41d450
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 0x41d4a3
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 0x41d48a
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 0x423ee0
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 0x424078
cmp ebp, ebx
jle 0x424078
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 0x423f3e
dec eax
or eax, 0xfffffff8
inc eax
je 0x423f45
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x423f54
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x423f5b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00473932
add esp, 4
cmp eax, ebx
je 0x423f7c
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.00473932
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 0x42406e
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 0x424055
mov al, byte [edx]
cmp al, 0xc0
jbe 0x424041
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x424036
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 0x424044
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x424044
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x423fe0
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 0x423fd1
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 0x4260d0
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x190
push esi
mov esi, ecx
call fcn.004751a2
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 0x426250
Capabilities:
Resolve dns

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x10]
test esi, esi
je 0x4262d7
cmp byte [esi], 0
je 0x4262d7
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 0x4262c5
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
je 0x4262d7
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 0x4264b3
Capabilities:
Connect socket

Disassembly:
sub esp, 0x10
push esi
mov esi, ecx
mov eax, dword [esi]
call dword [eax + 0xbc]
test eax, eax
je 0x426522
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.00426250
test eax, eax
je 0x426522
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 0x42651b
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 0x42651b
mov eax, 1
mov dword [esi + 0x48], eax
pop esi
add esp, 0x10
ret 8
mov ecx, esi
call fcn.00426480
xor eax, eax
pop esi
add esp, 0x10
ret 8

Function at 0x427530
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x480878
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 0x427569
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.0047b645
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.0047b691
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.004275f0
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.0047b6ce
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24