joyce8/EMBER2024-capa huggingface dataset:
Function at 0x401ee1
Capabilities:
Parse pe header

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, dword [esi + 8]
test bl, 3
jne 0x401f12
mov eax, dword fs:[4]
mov dword [ebp + 8], eax
mov eax, dword fs:[8]
mov dword [ebp - 4], eax
cmp ebx, dword [ebp - 4]
jb 0x401f19
cmp ebx, dword [ebp + 8]
jae 0x401f19
xor eax, eax
jmp 0x4020ff
push edi
mov edi, dword [esi + 0xc]
cmp edi, 0xffffffff
jne 0x401f2a
xor eax, eax
inc eax
jmp 0x4020fe
xor edx, edx
mov dword [ebp + 8], edx
mov eax, ebx
mov ecx, dword [eax]
cmp ecx, 0xffffffff
je 0x401f3c
cmp ecx, edx
jae 0x401fa0
cmp dword [eax + 4], 0
je 0x401f45
inc dword [ebp + 8]
inc edx
add eax, 0xc
cmp edx, edi
jbe 0x401f31
cmp dword [ebp + 8], 0
je 0x401f5f
mov eax, dword [esi - 8]
cmp eax, dword [ebp - 4]
jb 0x401fa0
cmp eax, esi
jae 0x401fa0
mov ecx, dword [0x404020]
mov esi, ebx
and esi, 0xfffff000
xor eax, eax
test ecx, ecx
jle 0x401f81
cmp dword [eax*4 + 0x404028], esi
je 0x401fa7
inc eax
cmp eax, ecx
jl 0x401f73
lea eax, [ebp + 8]
push eax
push 0x1c
lea eax, [ebp - 0x20]
push eax
push 0
push ebx
or edi, 0xffffffff
push edi
call sub.ntdll.dll_NtQueryVirtualMemory
test eax, eax
jl 0x402017
mov eax, dword [ebp + 8]
jmp 0x402019
xor eax, eax
jmp 0x4020fe
test eax, eax
jle 0x401f22
xor edx, edx
mov ebx, 0x404068
inc edx
mov edi, ebx
xchg dword [edi], edx
test edx, edx
jne 0x401f22
cmp dword [eax*4 + 0x404028], esi
je 0x401ff6
lea eax, [ecx - 1]
test eax, eax
jl 0x401fe3
cmp dword [eax*4 + 0x404028], esi
je 0x401fdf
dec eax
jns 0x401fd3
test eax, eax
jge 0x401ff4
cmp ecx, 0x10
jge 0x401fef
inc ecx
mov dword [0x404020], ecx
lea eax, [ecx - 1]
jmp 0x401ff6
je 0x40200e
xor edx, edx
test eax, eax
jl 0x40200e
lea ecx, [edx*4 + 0x404028]
mov edi, dword [ecx]
inc edx
cmp edx, eax
mov dword [ecx], esi
mov esi, edi
jle 0x401ffc
xor eax, eax
xchg dword [ebx], eax
jmp 0x401f22
xor eax, eax
test eax, eax
je 0x4020fc
cmp dword [ebp - 8], 0x1000000
jne 0x4020fc
test byte [ebp - 0xc], 0xcc
je 0x40208e
mov ecx, dword [ebp - 0x1c]
cmp word [ecx], 0x5a4d
jne 0x4020fc
mov eax, dword [ecx + 0x3c]
add eax, ecx
cmp dword [eax], 0x4550
jne 0x4020fc
cmp word [eax + 0x18], 0x10b
jne 0x4020fc
sub ebx, ecx
cmp word [eax + 6], 0
movzx ecx, word [eax + 0x14]
lea ecx, [ecx + eax + 0x18]
jbe 0x4020fc
mov eax, dword [ecx + 0xc]
cmp ebx, eax
jb 0x40208e
mov edx, dword [ecx + 8]
add edx, eax
cmp ebx, edx
jae 0x40208e
test byte [ecx + 0x27], 0x80
jne 0x401fa0
xor eax, eax
inc eax
mov ecx, eax
mov edx, 0x404068
xchg dword [edx], ecx
test ecx, ecx
jne 0x4020fe
mov ecx, dword [0x404020]
test ecx, ecx
mov edx, ecx
jle 0x4020bd
lea eax, [ecx*4 + 0x404024]
cmp dword [eax], esi
je 0x4020bd
dec edx
sub eax, 4
test edx, edx
jg 0x4020b1
test edx, edx
jne 0x4020ee
push 0xf
pop ebx
cmp ecx, ebx
jg 0x4020ca
mov ebx, ecx
xor edx, edx
test ebx, ebx
jl 0x4020e2
lea eax, [edx*4 + 0x404028]
mov edi, dword [eax]
inc edx
cmp edx, ebx
mov dword [eax], esi
mov esi, edi
jle 0x4020d0
cmp ecx, 0x10
jge 0x4020ee
inc ecx
mov dword [0x404020], ecx
xor eax, eax
mov ecx, 0x404068
xchg dword [ecx], eax
jmp 0x401f22
mov eax, edi
pop edi
pop esi
pop ebx
leave
ret
Function at 0x40eed0
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0xa000]
push edi
or ebp, 0xffffffff
jmp 0x40eef2
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x40eef9
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x40eee8
mov eax, 1
add ebx, ebx
jne 0x40ef0b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x40ef00
jne 0x40ef1c
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x40ef00
xor ecx, ecx
sub eax, 3
jb 0x40ef30
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x40efa2
mov ebp, eax
add ebx, ebx
jne 0x40ef3b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x40ef48
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x40ef6c
inc ecx
add ebx, ebx
jne 0x40ef58
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x40ef4d
jne 0x40ef69
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x40ef4d
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x40ef8c
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x40ef7d
jmp 0x40eeee
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x40ef8c
add edi, ecx
jmp 0x40eeee
pop esi
mov edi, esi
mov ecx, 0xbb
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x40efaa
cmp byte [edi], 1
jne 0x40efaa
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 0x40efaf
lea edi, [esi + 0xc000]
mov eax, dword [edi]
or eax, eax
je 0x40f01e
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0xf130]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0xf1bc]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x40efdc
mov ecx, edi
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0xf1c0]
or eax, eax
je 0x40f018
mov dword [ebx], eax
add ebx, 4
jmp 0x40eff9
call dword [esi + 0xf1c4]
popal
jmp 0x405c7c
Function at 0x402f4b
Capabilities:
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ecx
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
xor edi, edi
cmp eax, edi
jl 0x402f78
mov ecx, dword [0x4247b8]
push edi
add eax, ecx
push edi
push eax
mov dword [0x41710c], eax
push dword [0x409024]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 4
pop esi
push esi
call 0x4473e6
cmp eax, edi
jl 0x40306f
lea eax, [ebp - 4]
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
push edi
push eax
lea eax, [ebp + 8]
push esi
push eax
push dword [0x409024]
call ebx
test eax, eax
je 0x40306c
cmp dword [ebp - 4], esi
jne 0x40306c
push dword [ebp + 8]
add dword [0x41710c], esi
call 0x4513e6
cmp eax, edi
mov dword [ebp - 8], eax
jl 0x40306f
cmp dword [ebp + 0x10], edi
jne 0x40303b
cmp dword [ebp + 8], edi
jle 0x403067
mov esi, 0x4130c8
mov edi, 0x4000
cmp dword [ebp + 8], edi
jge 0x402feb
mov edi, dword [ebp + 8]
lea eax, [ebp - 4]
push 0
push eax
push edi
push esi
push dword [0x409024]
call ebx
test eax, eax
je 0x40306c
cmp edi, dword [ebp - 4]
jne 0x40306c
lea eax, [ebp + 0x14]
push 0
push eax
push dword [ebp - 4]
push esi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x403037
cmp dword [ebp + 0x14], edi
jne 0x403037
mov eax, dword [ebp - 4]
add dword [ebp - 8], eax
sub dword [ebp + 8], eax
add dword [0x41710c], eax
cmp dword [ebp + 8], 0
jg 0x402fde
jmp 0x403067
push 0xfffffffffffffffe
jmp 0x40306e
mov eax, dword [ebp + 8]
cmp eax, dword [ebp + 0x14]
jl 0x403046
mov eax, dword [ebp + 0x14]
lea ecx, [ebp - 4]
push edi
push ecx
push eax
push dword [ebp + 0x10]
push dword [0x409024]
call ebx
test eax, eax
je 0x40306c
mov eax, dword [ebp - 4]
add dword [0x41710c], eax
mov dword [ebp - 8], eax
mov eax, dword [ebp - 8]
jmp 0x40306f
push 0xfffffffffffffffd
pop eax
pop edi
pop esi
pop ebx
leave
ret 0x10
Function at 0x405b88
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
push ebx
mov ebx, dword [ebp + 0xc]
push esi
push edi
test ebx, ebx
jge 0x405ba9
mov ecx, dword [0x423f3c]
lea eax, [ebx*4 + 4]
sub ecx, eax
mov ebx, dword [ecx]
mov eax, dword [0x424798]
mov ecx, dword [ebp + 8]
add ebx, eax
mov eax, 0x423700
sub ecx, eax
mov edi, eax
cmp ecx, 0x800
jae 0x405d7c
mov edi, dword [ebp + 8]
and dword [ebp + 8], 0
jmp 0x405d7c
mov edx, edi
sub edx, eax
cmp edx, 0x400
jge 0x405d89
inc ebx
cmp cl, 0xfc
jbe 0x405d6f
movsx eax, byte [ebx + 1]
movsx ecx, byte [ebx]
mov esi, eax
mov edx, ecx
and esi, 0x7f
and edx, 0x7f
shl esi, 7
or esi, edx
mov edx, 0x8000
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x10], eax
or ecx, edx
or eax, edx
inc ebx
mov dword [ebp - 0x14], ecx
inc ebx
cmp byte [ebp + 0xf], 0xfe
mov dword [ebp - 0xc], eax
jne 0x405d1a
and dword [ebp + 0xc], 0
and byte [edi], 0
push 4
pop esi
cmp dword [ebp - 0x10], esi
jne 0x405c3d
mov dword [ebp + 0xc], str.MicrosoftInternet_ExplorerQuick_Launch
jmp 0x405cb5
mov eax, dword [ebp - 0x18]
cmp eax, 0x2b
jne 0x405c5c
push edi
push str.CommonFilesDir
push str.SoftwareMicrosoftWindowsCurrentVersion
push 0x80000002
call fcn.00405a5a
jmp 0x405cb0
cmp eax, 0x26
jne 0x405c8c
push edi
push str.ProgramFilesDir
push str.SoftwareMicrosoftWindowsCurrentVersion
push 0x80000002
call fcn.00405a5a
cmp byte [edi], 0
jne 0x405d12
push str.C:Program_Files
push edi
call fcn.00405b66
jmp 0x405cb0
cmp eax, 0x25
jne 0x405c9f
push 0x400
push edi
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
jmp 0x405cb0
cmp eax, 0x24
jne 0x405cb5
push 0x400
push edi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
cmp byte [edi], 0
jne 0x405d12
cmp dword [0x4247e4], 0
jne 0x405cc1
push 2
pop esi
lea eax, [ebp - 4]
dec esi
push eax
push dword [ebp + esi*4 - 0x18]
push dword [0x424764]
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderLocation]
test eax, eax
jne 0x405cf7
push edi
push dword [ebp - 4]
call dword [sym.imp.SHELL32.dll_SHGetPathFromIDListA]
push dword [ebp - 4]
mov dword [ebp - 8], eax
call 0x43d404
cmp dword [ebp - 8], 0
jne 0x405cfe
jmp 0x405cfa
and byte [edi], 0
test esi, esi
jne 0x405cc1
cmp byte [edi], 0
je 0x405d12
cmp dword [ebp + 0xc], 0
je 0x405d12
push dword [ebp + 0xc]
push edi
call sub.KERNEL32.dll_lstrcatA
push edi
call 0x447404
jmp 0x405d60
cmp byte [ebp + 0xf], 0xfd
jne 0x405d4e
cmp esi, 0x1b
jne 0x405d33
push dword [0x424764]
push edi
call fcn.00405ac4
jmp 0x405d44
mov eax, esi
shl eax, 0xa
add eax, section..ndata
push eax
push edi
call fcn.00405b66
add esi, 0xffffffeb
cmp esi, 6
jae 0x405d60
jmp 0x405d12
cmp byte [ebp + 0xf], 0xff
jne 0x405d60
or eax, 0xffffffff
sub eax, esi
push eax
push edi
call 0x451404
push edi
call sub.KERNEL32.dll_lstrlenA
add edi, eax
mov eax, 0x423700
jmp 0x405d7c
jne 0x405d79
mov cl, byte [ebx]
mov byte [edi], cl
inc edi
inc ebx
jmp 0x405d7c
mov byte [edi], cl
inc edi
mov cl, byte [ebx]
test cl, cl
mov byte [ebp + 0xf], cl
jne 0x405bd4
and byte [edi], 0
cmp dword [ebp + 8], 0
pop edi
pop esi
pop ebx
je 0x405d9e
push eax
push dword [ebp + 8]
call fcn.00405b66
leave
ret 8
Function at 0x405ed6
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x4232fc], 0
push esi
jne 0x405f0d
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 0x405ee7
mov dword [ecx*4 + 0x4232f8], eax
inc ecx
cmp ecx, 0x100
jl 0x405ee2
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x405f3e
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 + 0x4232f8]
xor eax, esi
inc ecx
dec edx
jne 0x405f20
pop edi
not eax
pop esi
ret 0xc

Function at 0x40c470
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x9000]
push edi
or ebp, 0xffffffff
jmp 0x40c492
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x40c499
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x40c488
mov eax, 1
add ebx, ebx
jne 0x40c4ab
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x40c4a0
jne 0x40c4bc
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x40c4a0
xor ecx, ecx
sub eax, 3
jb 0x40c4d0
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x40c542
mov ebp, eax
add ebx, ebx
jne 0x40c4db
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x40c4e8
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x40c50c
inc ecx
add ebx, ebx
jne 0x40c4f8
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x40c4ed
jne 0x40c509
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x40c4ed
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x40c52c
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x40c51d
jmp 0x40c48e
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x40c52c
add edi, ecx
jmp 0x40c48e
pop esi
mov edi, esi
mov ecx, 4
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x40c54a
cmp byte [edi], 1
jne 0x40c54a
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 0x40c54f
lea edi, [esi + 0xa000]
mov eax, dword [edi]
or eax, eax
je 0x40c5c7
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0xd70c]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0xd748]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x40c57c
mov ecx, edi
jns 0x40c5ab
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 + 0xd74c]
or eax, eax
je 0x40c5c1
mov dword [ebx], eax
add ebx, 4
jmp 0x40c599
call dword [esi + 0xd750]
popal
jmp 0x401128
Function at 0x40eb60
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a0fbb
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.00495d18
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40ebe2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00493a89
mov eax, dword [eax]
push 0x25e9d08
push eax
call fcn.00485804
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00495fa3
test bl, bl
je 0x40ebe2
push 0x25e9d08
lea ecx, [esp + 0xc]
call fcn.00496333
push 0x25e9d14
lea ecx, [esp + 0xc]
call fcn.00496333
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 0x40ec1e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00495fa3
jmp 0x40ece9
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 0x40eca2
lea edx, [esp + 0x7c]
push 0x25e9d10
push edx
call fcn.00485804
add esp, 8
test eax, eax
je 0x40eca2
lea eax, [esp + 0x7c]
push 0x25e9d0c
push eax
call fcn.00485804
add esp, 8
test eax, eax
je 0x40eca2
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 0x40ec32
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.00495fa3
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 0x40f4e0
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 0x40f542
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 0x40f550
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a103b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x25fe7e8]
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 0x40f688
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40f5b6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00495fa3
xor eax, eax
jmp 0x40f6ff
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004960e0
push esi
lea ecx, [esp + 0xc]
call fcn.0049636f
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x25e9d48
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40f6dd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0040f4e0
test eax, eax
jne 0x40f6dd
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 closesocket
mov ecx, edi
call fcn.0040f4e0
test eax, eax
jne 0x40f6dd
lea eax, [esp + 0x14]
push 0x25e9d24
push eax
call fcn.00486880
mov esi, eax
add esp, 8
test esi, esi
jne 0x40f6bc
lea ecx, [esp + 0x14]
push 0x25e9d20
push ecx
call fcn.00486800
mov esi, eax
add esp, 8
test esi, esi
jne 0x40f6bc
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40f6bf
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00496090
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40f5ce
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00495fa3
xor eax, eax
jmp 0x40f6ff
mov byte [esi], 0
push 0x25e9d1c
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.00495fa3
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 0x421960
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 0x4219ce
cmp si, 0x69
ja 0x4219ce
add esi, 0xffd0
cmp si, 0x11
je 0x42199e
push 0x11
call edi
test ax, ax
jge 0x42199e
or esi, 0x2000
cmp si, 0x10
je 0x4219b3
push 0x10
call edi
test ax, ax
jge 0x4219b3
or esi, 0x4000
cmp si, 0x12
je 0x4219c8
push 0x12
call edi
test ax, ax
jge 0x4219c8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x4219db
mov esi, 0xbd
jmp 0x42198f
cmp si, 0x6e
jne 0x4219e8
mov esi, 0xbe
jmp 0x42198f
cmp si, 0x6f
jne 0x421989
mov esi, 0xbf
jmp 0x42198f

Function at 0x423380
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x260f940]
xor edx, edx
cmp eax, edx
jne 0x4233a6
xor eax, eax
mov byte [eax + 0x260f840], al
inc eax
cmp eax, 0x100
jl 0x42338e
mov dword [0x260f940], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x260f840
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x423437
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 0x42340a
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 0x4233d8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4234b0
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 0x423503
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 0x4234ea
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 0x42a510
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 0x42a6a8
cmp ebp, ebx
jle 0x42a6a8
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 0x42a56e
dec eax
or eax, 0xfffffff8
inc eax
je 0x42a575
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x42a584
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x42a58b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00495ce4
add esp, 4
cmp eax, ebx
je 0x42a5ac
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.00495ce4
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 0x42a69e
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 0x42a685
mov al, byte [edx]
cmp al, 0xc0
jbe 0x42a671
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x42a666
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 0x42a674
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x42a674
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x42a610
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 0x42a601
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