joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4037f0
Capabilities:
Persist via run registry key
Read .ini file
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x138
mov eax, dword [0x41b024]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x138]
push eax
push 0x20006
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionRun
push 0x80000002
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x4039c5
push esi
push edi
mov edi, dword [ebx]
lea eax, [ebp - 0xa8]
mov dword [ebp - 0xac], eax
mov byte [ebp - 0xa8], 0
test edi, edi
jne 0x403849
mov edi, 0x4173a4
mov ecx, edi
lea esi, [ecx + 1]
mov edi, edi
mov dl, byte [ecx]
inc ecx
test dl, dl
jne 0x403850
sub ecx, esi
mov esi, ecx
cmp esi, 0x3f
jl 0x40387e
lea ecx, [esi + 1]
push ecx
push 0
mov dword [ebp - 0xac], 0
call fcn.00408a91
add esp, 8
mov dword [ebp - 0xac], eax
push esi
push edi
push eax
call fcn.004087a7
mov edx, dword [ebp - 0xac]
add esp, 0xc
push str.SysConfig.ini
lea eax, [ebp - 0xac]
mov byte [esi + edx], 0
call fcn.00402430
mov eax, dword [ebp - 0xac]
push eax
push 0x63
lea ecx, [ebp - 0x68]
push ecx
push str.BoxNews.exe
push str.RunSetup
push str.SysConfig
call dword [sym.imp.KERNEL32.dll_GetPrivateProfileStringA]
mov ecx, dword [ebx]
lea eax, [ebp - 0x68]
push eax
push ecx
lea edx, [ebp - 0x130]
push str.__s_s___mini
lea edi, [ebp - 0x134]
mov dword [ebp - 0x134], edx
mov byte [ebp - 0x130], 0
call fcn.00402a00
lea edx, [ebp - 0xec]
push 8
mov eax, edx
push str.yyfm0529
push eax
mov dword [ebp - 0xf0], edx
mov byte [ebp - 0xec], 0
call fcn.004087a7
mov ecx, dword [ebp - 0xf0]
add esp, 0x18
push str._News
lea eax, [ebp - 0xf0]
mov byte [ecx + 8], 0
call fcn.00402430
mov edx, dword [ebx + 0x54]
push edx
lea eax, [ebp - 0xf0]
call fcn.00402430
mov edx, dword [ebp - 0x134]
mov eax, edx
lea esi, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x403948
mov ecx, dword [ebp - 0x138]
sub eax, esi
push eax
mov eax, dword [ebp - 0xf0]
push edx
push 1
push 0
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov edx, dword [ebp - 0x138]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [ebp - 0xf0]
lea ecx, [ebp - 0xec]
pop edi
pop esi
cmp eax, ecx
je 0x403993
push eax
call fcn.004087c1
add esp, 4
mov eax, dword [ebp - 0x134]
lea edx, [ebp - 0x130]
cmp eax, edx
je 0x4039ac
push eax
call fcn.004087c1
add esp, 4
mov eax, dword [ebp - 0xac]
lea ecx, [ebp - 0xa8]
cmp eax, ecx
je 0x4039c5
push eax
call fcn.004087c1
add esp, 4
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040805e
mov esp, ebp
pop ebp
ret
Function at 0x405c30
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test ecx, ecx
jne 0x405c37
xor eax, eax
ret
push esi
not eax
cmp edx, 8
jb 0x405d0d
mov esi, edx
shr esi, 3
push edi
lea esp, [esp]
movzx edi, byte [ecx]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4189f0]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4189f0]
movzx edi, byte [ecx + 2]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4189f0]
movzx edi, byte [ecx + 3]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4189f0]
movzx edi, byte [ecx + 4]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4189f0]
movzx edi, byte [ecx + 5]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4189f0]
movzx edi, byte [ecx + 6]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4189f0]
movzx edi, byte [ecx + 7]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4189f0]
add ecx, 8
sub edx, 8
dec esi
jne 0x405c50
pop edi
test edx, edx
je 0x405d2a
movzx esi, byte [ecx]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x4189f0]
inc ecx
dec edx
jne 0x405d11
not eax
pop esi
ret

Function at 0x406400
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, ebx
imul esi, dword [ebp + 0xc]
cmp byte [edi], 0
je 0x406436
mov ecx, dword [ebp + 8]
mov edx, dword [edi + 4]
push 0
lea eax, [ebp + 0xc]
push eax
push esi
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x40642c
mov byte [edi + 8], 1
mov eax, dword [ebp + 0xc]
xor edx, edx
div ebx
pop esi
pop ebp
ret
mov ecx, dword [edi + 0x18]
mov eax, dword [edi + 0x14]
lea edx, [ecx + esi]
cmp edx, eax
jbe 0x406447
sub eax, ecx
mov esi, eax
mov eax, dword [edi + 0x10]
add eax, ecx
mov ecx, dword [ebp + 8]
push esi
push eax
push ecx
call fcn.0040e410
add dword [edi + 0x18], esi
add esp, 0xc
mov eax, esi
xor edx, edx
div ebx
pop esi
pop ebp
ret

Function at 0x406470
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
cmp byte [esi], 0
push edi
mov edi, 1
je 0x4064a3
mov edx, dword [esi + 4]
push 0
lea eax, [ebp - 8]
push eax
push edi
lea ecx, [ebp - 1]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x40649e
mov byte [esi + 8], 1
mov edi, dword [ebp - 8]
jmp 0x4064ce
mov eax, dword [esi + 0x14]
push ebx
mov ebx, dword [esi + 0x18]
lea ecx, [ebx + 1]
cmp ecx, eax
jbe 0x4064b5
sub eax, ebx
mov edi, eax
mov edx, dword [esi + 0x10]
push edi
add edx, ebx
push edx
lea eax, [ebp - 1]
push eax
call fcn.0040e410
add esp, 0xc
add ebx, edi
mov dword [esi + 0x18], ebx
pop ebx
cmp edi, 1
pop edi
jne 0x4064e3
movzx ecx, byte [ebp - 1]
mov edx, dword [ebp + 8]
mov dword [edx], ecx
xor eax, eax
mov esp, ebp
pop ebp
ret
cmp byte [esi], 0
je 0x4064dd
cmp byte [esi + 8], 0
je 0x4064dd
or eax, 0xffffffff
mov esp, ebp
pop ebp
ret
Function at 0x406580
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
cmp byte [esi], 0
je 0x4065c7
cmp byte [esi + 1], 0
je 0x4065cf
mov eax, dword [esi + 4]
push 2
push 0
push 0
push eax
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp byte [esi], 0
push ebx
je 0x4065e1
cmp byte [esi + 1], 0
je 0x4065d5
mov edx, dword [esi + 4]
push 1
push 0
push 0
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ebx, eax
sub ebx, dword [esi + 0xc]
mov dword [ebp - 4], ebx
jmp 0x4065e9
mov ecx, dword [esi + 0x14]
mov dword [esi + 0x18], ecx
jmp 0x4065a1
xor eax, eax
mov esp, ebp
pop ebp
ret
mov dword [ebp - 4], 0
mov ebx, dword [ebp - 4]
jmp 0x4065e9
mov eax, dword [esi + 0x18]
mov dword [ebp - 4], eax
mov ebx, eax
push edi
mov edi, 0xffff
mov dword [ebp - 8], edi
cmp ebx, edi
jae 0x4065fb
mov dword [ebp - 8], ebx
mov edi, ebx
push 0x404
call fcn.004087fb
add esp, 4
mov dword [ebp - 0x10], eax
test eax, eax
jne 0x406615
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, 4
mov dword [ebp - 0x14], 0
cmp edi, eax
jbe 0x406729
jmp 0x406639
mov edi, dword [ebp - 8]
mov eax, dword [ebp - 0xc]
mov ebx, dword [ebp - 4]
add eax, 0x400
mov dword [ebp - 0xc], edi
cmp eax, edi
ja 0x406648
mov dword [ebp - 0xc], eax
mov eax, ebx
sub eax, dword [ebp - 0xc]
sub ebx, eax
mov dword [ebp - 0x1c], eax
cmp ebx, 0x404
jbe 0x40665f
mov ebx, 0x404
cmp byte [esi], 0
je 0x406684
cmp byte [esi + 1], 0
je 0x406729
mov ecx, dword [esi + 0xc]
mov edx, dword [esi + 4]
push 0
push 0
add ecx, eax
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
jmp 0x406687
mov dword [esi + 0x18], eax
cmp byte [esi], 0
mov edi, ebx
je 0x4066b0
mov ecx, dword [ebp - 0x10]
mov edx, dword [esi + 4]
push 0
lea eax, [ebp - 0x18]
push eax
push ebx
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4066ab
mov byte [esi + 8], 1
mov eax, dword [ebp - 0x18]
jmp 0x4066d9
mov eax, dword [esi + 0x18]
mov ecx, dword [esi + 0x14]
lea edx, [eax + ebx]
cmp edx, ecx
jbe 0x4066c1
sub ecx, eax
mov edi, ecx
mov ecx, dword [esi + 0x10]
mov edx, dword [ebp - 0x10]
push edi
add ecx, eax
push ecx
push edx
call fcn.0040e410
add esp, 0xc
add dword [esi + 0x18], edi
mov eax, edi
xor edx, edx
div ebx
cmp eax, 1
jne 0x406729
lea eax, [ebx - 3]
test eax, eax
jle 0x40671d
lea esp, [esp]
mov ecx, dword [ebp - 0x10]
dec eax
cmp byte [eax + ecx], 0x50
jne 0x40670f
cmp byte [eax + ecx + 1], 0x4b
jne 0x40670f
cmp byte [eax + ecx + 2], 5
jne 0x40670f
cmp byte [eax + ecx + 3], 6
je 0x406715
test eax, eax
jg 0x4066f0
jmp 0x40671d
add eax, dword [ebp - 0x1c]
mov dword [ebp - 0x14], eax
jne 0x406729
mov edx, dword [ebp - 8]
cmp dword [ebp - 0xc], edx
jb 0x406630
mov eax, dword [ebp - 0x10]
push eax
call fcn.004087c1
mov eax, dword [ebp - 0x14]
add esp, 4
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x40805e
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x41b024]
jne 0x408068
repz ret
jmp fcn.004094ee

Function at 0x40d435
Capabilities:
Link many functions at runtime

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x41b024]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov dword [ebp - 0x20], eax
mov eax, dword [ebp + 0xc]
push esi
push edi
mov dword [ebp - 0x1c], eax
call fcn.004095f4
and dword [ebp - 0x14], 0
cmp dword [0x41ce94], 0
mov dword [ebp - 0x18], eax
jne 0x40d4e8
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov ebx, eax
test ebx, ebx
je 0x40d590
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.MessageBoxW
push ebx
call edi
test eax, eax
je 0x40d590
mov esi, dword [sym.imp.KERNEL32.dll_EncodePointer]
push eax
call esi
push str.GetActiveWindow
push ebx
mov dword [0x41ce94], eax
call edi
push eax
call esi
push str.GetLastActivePopup
push ebx
mov dword [0x41ce98], eax
call edi
push eax
call esi
push str.GetUserObjectInformationW
push ebx
mov dword [0x41ce9c], eax
call edi
push eax
call esi
mov dword [0x41cea4], eax
test eax, eax
je 0x40d4e8
push str.GetProcessWindowStation
push ebx
call edi
push eax
call esi
mov dword [0x41cea0], eax
mov eax, dword [0x41cea0]
mov ecx, dword [ebp - 0x18]
mov esi, dword [sym.imp.KERNEL32.dll_DecodePointer]
cmp eax, ecx
je 0x40d541
cmp dword [0x41cea4], ecx
je 0x40d541
push eax
call esi
push dword [0x41cea4]
mov edi, eax
call esi
mov ebx, eax
test edi, edi
je 0x40d541
test ebx, ebx
je 0x40d541
call edi
test eax, eax
je 0x40d538
lea ecx, [ebp - 0x24]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call ebx
test eax, eax
je 0x40d538
test byte [ebp - 8], 1
jne 0x40d541
or dword [ebp + 0x10], 0x200000
jmp 0x40d574
mov eax, dword [0x41ce98]
cmp eax, dword [ebp - 0x18]
je 0x40d574
push eax
call esi
test eax, eax
je 0x40d574
call eax
mov dword [ebp - 0x14], eax
test eax, eax
je 0x40d574
mov eax, dword [0x41ce9c]
cmp eax, dword [ebp - 0x18]
je 0x40d574
push eax
call esi
test eax, eax
je 0x40d574
push dword [ebp - 0x14]
call eax
mov dword [ebp - 0x14], eax
push dword [0x41ce94]
call esi
test eax, eax
je 0x40d590
push dword [ebp + 0x10]
push dword [ebp - 0x1c]
push dword [ebp - 0x20]
push dword [ebp - 0x14]
call eax
jmp 0x40d592
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0040805e
leave
ret
Function at 0x40e1f0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a19bb
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.0049650f
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40e272
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00494367
mov eax, dword [eax]
push 0x4c4ca0
push eax
call fcn.00485e34
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0049679a
test bl, bl
je 0x40e272
push 0x4c4ca0
lea ecx, [esp + 0xc]
call fcn.00496b2a
push 0x4c4cac
lea ecx, [esp + 0xc]
call fcn.00496b2a
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 0x40e2ae
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0049679a
jmp 0x40e379
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 0x40e332
lea edx, [esp + 0x7c]
push 0x4c4ca8
push edx
call fcn.00485e34
add esp, 8
test eax, eax
je 0x40e332
lea eax, [esp + 0x7c]
push 0x4c4ca4
push eax
call fcn.00485e34
add esp, 8
test eax, eax
je 0x40e332
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 0x40e2c2
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.0049679a
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 0x40eb80
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 0x40ebe2
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 0x40ebf0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a1a3b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4d8104]
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 0x40ed28
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40ec56
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0049679a
xor eax, eax
jmp 0x40ed9f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004968d7
push esi
lea ecx, [esp + 0xc]
call fcn.00496b66
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x4c4ce0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40ed7d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.0040eb80
test eax, eax
jne 0x40ed7d
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.0040eb80
test eax, eax
jne 0x40ed7d
lea eax, [esp + 0x14]
push str.__1_
push eax
call fcn.00486f40
mov esi, eax
add esp, 8
test esi, esi
jne 0x40ed5c
lea ecx, [esp + 0x14]
push 0x4c4cb8
push ecx
call fcn.00486ec0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40ed5c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40ed5f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00496887
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40ec6e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0049679a
xor eax, eax
jmp 0x40ed9f
mov byte [esi], 0
push 0x4c4cb4
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.0049679a
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 0x41fab0
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 0x41fb1e
cmp si, 0x69
ja 0x41fb1e
add esi, 0xffd0
cmp si, 0x11
je 0x41faee
push 0x11
call edi
test ax, ax
jge 0x41faee
or esi, 0x2000
cmp si, 0x10
je 0x41fb03
push 0x10
call edi
test ax, ax
jge 0x41fb03
or esi, 0x4000
cmp si, 0x12
je 0x41fb18
push 0x12
call edi
test ax, ax
jge 0x41fb18
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41fb2b
mov esi, 0xbd
jmp 0x41fadf
cmp si, 0x6e
jne 0x41fb38
mov esi, 0xbe
jmp 0x41fadf
cmp si, 0x6f
jne 0x41fad9
mov esi, 0xbf
jmp 0x41fadf

Function at 0x421620
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4e8898]
xor edx, edx
cmp eax, edx
jne 0x421646
xor eax, eax
mov byte [eax + 0x4e8798], al
inc eax
cmp eax, 0x100
jl 0x42162e
mov dword [0x4e8898], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4e8798
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4216d7
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 0x4216aa
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 0x421678
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x421750
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 0x4217a3
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 0x42178a
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 0x4287b0
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 0x428948
cmp ebp, ebx
jle 0x428948
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 0x42880e
dec eax
or eax, 0xfffffff8
inc eax
je 0x428815
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x428824
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x42882b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.004964db
add esp, 4
cmp eax, ebx
je 0x42884c
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.004964db
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 0x42893e
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 0x428925
mov al, byte [edx]
cmp al, 0xc0
jbe 0x428911
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x428906
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 0x428914
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x428914
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x4288b0
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 0x4288a1
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 0x42bc80
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x4a3148
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 0x42bcb9
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.0049de88
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.0049ded4
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.0042bd40
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.0049df11
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24