joyce8/EMBER2024-capa huggingface dataset:
Function at 0x403ad5
Capabilities:
Accept command line arguments
Parse pe header
Terminate process

Disassembly:
push 0x60
push 0x40b5f8
call fcn.00403d10
mov edi, 0x94
mov eax, edi
call fcn.00403400
mov dword [ebp - 0x18], esp
mov esi, esp
mov dword [esi], edi
push esi
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
mov ecx, dword [esi + 0x10]
mov dword [0x40efb8], ecx
mov eax, dword [esi + 4]
mov dword [0x40efc4], eax
mov edx, dword [esi + 8]
mov dword [0x40efc8], edx
mov esi, dword [esi + 0xc]
and esi, 0x7fff
mov dword [0x40efbc], esi
cmp ecx, 2
je 0x403b35
or esi, 0x8000
mov dword [0x40efbc], esi
shl eax, 8
add eax, edx
mov dword [0x40efc0], eax
xor esi, esi
push esi
mov edi, dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
call edi
cmp word [eax], 0x5a4d
jne 0x403b70
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x403b70
movzx eax, word [ecx + 0x18]
cmp eax, 0x10b
je 0x403b88
cmp eax, 0x20b
je 0x403b75
mov dword [ebp - 0x1c], esi
jmp 0x403b9c
cmp dword [ecx + 0x84], 0xe
jbe 0x403b70
xor eax, eax
cmp dword [ecx + 0xf8], esi
jmp 0x403b96
cmp dword [ecx + 0x74], 0xe
jbe 0x403b70
xor eax, eax
cmp dword [ecx + 0xe8], esi
setne al
mov dword [ebp - 0x1c], eax
push 1
call fcn.00405c39
pop ecx
test eax, eax
jne 0x403bb0
push 0x1c
call fcn.00403ab1
pop ecx
call fcn.00405095
test eax, eax
jne 0x403bc1
push 0x10
call fcn.00403ab1
pop ecx
call fcn.00407f30
mov dword [ebp - 4], esi
call fcn.00407d32
test eax, eax
jge 0x403bda
push 0x1b
call fcn.00403a8c
pop ecx
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov dword [0x410640], eax
call fcn.00407c10
mov dword [0x40ede0], eax
call fcn.00407b6e
test eax, eax
jge 0x403c00
push 8
call fcn.00403a8c
pop ecx
call fcn.0040793b
test eax, eax
jge 0x403c11
push 9
call fcn.00403a8c
pop ecx
push 1
call fcn.004073e7
pop ecx
mov dword [ebp - 0x28], eax
cmp eax, esi
je 0x403c27
push eax
call fcn.00403a8c
pop ecx
mov dword [ebp - 0x44], esi
lea eax, [ebp - 0x70]
push eax
call dword [sym.imp.KERNEL32.dll_GetStartupInfoA]
call fcn.004078de
mov dword [ebp - 0x20], eax
test byte [ebp - 0x44], 1
je 0x403c48
movzx eax, word [ebp - 0x40]
jmp 0x403c4b
push 0xa
pop eax
push eax
push dword [ebp - 0x20]
push esi
push esi
call edi
push eax
call fcn.00402230
mov edi, eax
mov dword [ebp - 0x2c], edi
cmp dword [ebp - 0x1c], esi
jne 0x403c69
push edi
call fcn.00407514
call fcn.00407536
jmp 0x403c9b
or dword [ebp - 4], 0xffffffff
mov eax, edi
lea esp, [ebp - 0x7c]
call fcn.00403d4b
ret
Function at 0x404508
Capabilities:
Parse pe header

Disassembly:
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 0x404536
mov eax, dword fs:[0x18]
mov dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [eax + 8]
cmp ebx, ecx
mov dword [ebp - 4], ecx
jb 0x40453d
cmp ebx, dword [eax + 4]
jae 0x40453d
xor eax, eax
jmp 0x40472d
push edi
mov edi, dword [esi + 0xc]
cmp edi, 0xffffffff
jne 0x40454e
xor eax, eax
inc eax
jmp 0x40472c
xor edx, edx
mov dword [ebp + 8], edx
mov eax, ebx
mov ecx, dword [eax]
cmp ecx, 0xffffffff
je 0x404564
cmp ecx, edx
jae 0x4046a9
cmp dword [eax + 4], 0
je 0x40456d
inc dword [ebp + 8]
inc edx
add eax, 0xc
cmp edx, edi
jbe 0x404555
cmp dword [ebp + 8], 0
je 0x40458f
mov eax, dword [esi - 8]
cmp eax, dword [ebp - 4]
jb 0x4046a9
cmp eax, esi
jae 0x4046a9
mov eax, dword [0x40edf0]
mov edi, ebx
and edi, 0xfffff000
xor esi, esi
test eax, eax
jle 0x4045b4
cmp dword [esi*4 + 0x40edf8], edi
je 0x4046ad
inc esi
cmp esi, eax
jl 0x4045a2
push 0x1c
lea eax, [ebp - 0x20]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
test eax, eax
je 0x404729
cmp dword [ebp - 8], 0x1000000
jne 0x404729
test byte [ebp - 0xc], 0xcc
je 0x404632
mov ecx, dword [ebp - 0x1c]
cmp word [ecx], 0x5a4d
jne 0x404729
mov eax, dword [ecx + 0x3c]
add eax, ecx
cmp dword [eax], 0x4550
jne 0x404729
cmp word [eax + 0x18], 0x10b
jne 0x404729
sub ebx, ecx
cmp word [eax + 6], 0
movzx ecx, word [eax + 0x14]
lea ecx, [ecx + eax + 0x18]
jbe 0x404729
mov eax, dword [ecx + 0xc]
cmp ebx, eax
jb 0x404632
mov edx, dword [ecx + 8]
add edx, eax
cmp ebx, edx
jae 0x404632
test byte [ecx + 0x27], 0x80
jne 0x4046a9
push 1
push 0x40ee38
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
test eax, eax
jne 0x404546
mov ecx, dword [0x40edf0]
test ecx, ecx
mov edx, ecx
jle 0x404666
lea eax, [ecx*4 + 0x40edf4]
cmp dword [eax], edi
je 0x404666
dec edx
sub eax, 4
test edx, edx
jg 0x40465a
test edx, edx
jne 0x404697
push 0xf
pop ebx
cmp ecx, ebx
jg 0x404673
mov ebx, ecx
xor edx, edx
test ebx, ebx
jl 0x40468b
lea eax, [edx*4 + 0x40edf8]
mov esi, dword [eax]
inc edx
cmp edx, ebx
mov dword [eax], edi
mov edi, esi
jle 0x404679
cmp ecx, 0x10
jge 0x404697
inc ecx
mov dword [0x40edf0], ecx
push 0
push 0x40ee38
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
jmp 0x404546
xor eax, eax
jmp 0x40472c
test esi, esi
jle 0x404546
mov ebx, dword [sym.imp.KERNEL32.dll_InterlockedExchange]
push 1
push 0x40ee38
call ebx
test eax, eax
jne 0x404546
cmp dword [esi*4 + 0x40edf8], edi
je 0x404703
mov eax, dword [0x40edf0]
lea esi, [eax - 1]
test esi, esi
jl 0x4046f1
cmp dword [esi*4 + 0x40edf8], edi
je 0x4046ed
dec esi
jns 0x4046e1
test esi, esi
jge 0x404701
cmp eax, 0x10
jge 0x4046fc
inc eax
mov dword [0x40edf0], eax
lea esi, [eax - 1]
jmp 0x404703
je 0x40471b
xor ecx, ecx
test esi, esi
jl 0x40471b
lea eax, [ecx*4 + 0x40edf8]
mov edx, dword [eax]
inc ecx
cmp ecx, esi
mov dword [eax], edi
mov edi, edx
jle 0x404709
push 0
push 0x40ee38
call ebx
jmp 0x404546
or eax, 0xffffffff
pop edi
pop esi
pop ebx
leave
ret
Function at 0x407451
Capabilities:
Terminate process

Disassembly:
push 8
push 0x40b9e0
call fcn.00403d10
push 8
call fcn.00405ddd
pop ecx
xor edi, edi
mov dword [ebp - 4], edi
xor esi, esi
inc esi
cmp dword [0x40eff8], esi
jne 0x407485
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_TerminateProcess]
mov dword [0x40eff4], esi
mov al, byte [ebp + 0x10]
mov byte [0x40eff0], al
cmp dword [ebp + 0xc], edi
jne 0x4074cf
cmp dword [0x40f3c8], edi
je 0x4074bf
mov eax, dword [0x40f3c4]
sub eax, 4
mov dword [0x40f3c4], eax
cmp eax, dword [0x40f3c8]
jb 0x4074bf
mov eax, dword [eax]
cmp eax, edi
je 0x4074a0
call eax
jmp 0x4074a0
push 0x40e030
mov eax, 0x40e028
call fcn.004073cf
pop ecx
push 0x40e03c
mov eax, 0x40e034
call fcn.004073cf
pop ecx
or dword [ebp - 4], 0xffffffff
call 0x407500
cmp dword [ebp + 0x10], edi
jne 0x40750e
mov dword [0x40eff8], esi
push dword [ebp + 8]
call fcn.0040738d
xor edi, edi
xor esi, esi
inc esi
cmp dword [ebp + 0x10], edi
je 0x40750d
push 8
call fcn.00405d28
pop ecx
ret
call fcn.00403d4b
ret

Function at 0x4075ca
Capabilities:
Write file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x8c]
sub esp, 0x10c
mov eax, dword [0x40e0ec]
mov ecx, dword [ebp + 0x94]
push ebx
push esi
mov dword [ebp + 0x88], eax
xor edx, edx
push edi
xor eax, eax
cmp ecx, dword [eax*8 + 0x40e5e0]
je 0x4075ff
inc eax
cmp eax, 0x13
jb 0x4075f0
mov esi, eax
shl esi, 3
cmp ecx, dword [esi + 0x40e5e0]
jne 0x407725
mov eax, dword [0x40ede8]
cmp eax, 1
je 0x4076fd
cmp eax, edx
jne 0x40762f
cmp dword [0x40e0f8], 1
je 0x4076fd
cmp ecx, 0xfc
je 0x407725
push 0x104
lea eax, [ebp - 0x80]
push eax
push edx
mov byte [ebp + 0x84], dl
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x407665
lea eax, [ebp - 0x80]
push str._program_name_unknown_
push eax
call fcn.00408050
pop ecx
pop ecx
lea edi, [ebp - 0x80]
mov eax, edi
push eax
call fcn.00403fe0
inc eax
cmp eax, 0x3c
pop ecx
jbe 0x407699
mov eax, edi
push eax
call fcn.00403fe0
mov edi, eax
lea eax, [ebp - 0x80]
sub eax, 0x3b
push 3
add edi, eax
push 0x40b694
push edi
call fcn.00408250
add esp, 0x10
push edi
call fcn.00403fe0
push dword [esi + 0x40e5e4]
mov ebx, eax
call fcn.00403fe0
lea eax, [ebx + eax + 0x1c]
pop ecx
add eax, 3
pop ecx
and eax, 0xfffffffc
call fcn.00403400
mov ebx, esp
push str.Runtime_Error__n_nProgram:
push ebx
call fcn.00408050
push edi
push ebx
call fcn.00408060
push 0x40b690
push ebx
call fcn.00408060
push dword [esi + 0x40e5e4]
push ebx
call fcn.00408060
push 0x12010
push str.Microsoft_Visual_C_Runtime_Library
push ebx
call fcn.00408148
add esp, 0x2c
jmp 0x407725
push edx
lea eax, [ebp + 0x94]
push eax
lea esi, [esi + 0x40e5e4]
push dword [esi]
call fcn.00403fe0
pop ecx
push eax
push dword [esi]
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
lea esp, [ebp - 0x8c]
mov ecx, dword [ebp + 0x88]
call fcn.00402e46
pop edi
pop esi
pop ebx
add ebp, 0x8c
leave
ret
Function at 0x408148
Capabilities:
Link many functions at runtime

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
push ebx
xor ebx, ebx
cmp dword [0x40f110], ebx
push esi
push edi
jne 0x4081c8
push str.user32.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
cmp edi, ebx
je 0x408203
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0x40be34
push edi
call esi
test eax, eax
mov dword [0x40f110], eax
je 0x408203
push str.GetActiveWindow
push edi
call esi
push str.GetLastActivePopup
push edi
mov dword [0x40f114], eax
call esi
cmp dword [0x40efb8], 2
mov dword [0x40f118], eax
jne 0x4081c8
push str.GetUserObjectInformationA
push edi
call esi
test eax, eax
mov dword [0x40f120], eax
je 0x4081c8
push str.GetProcessWindowStation
push edi
call esi
mov dword [0x40f11c], eax
mov eax, dword [0x40f11c]
test eax, eax
je 0x40820d
call eax
test eax, eax
je 0x4081f4
lea ecx, [ebp - 4]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call dword [0x40f120]
test eax, eax
je 0x4081f4
test byte [ebp - 8], 1
jne 0x40820d
cmp dword [0x40efc4], 4
jb 0x408207
or byte [ebp + 0x12], 0x20
jmp 0x40822c
xor eax, eax
jmp 0x40823c
or byte [ebp + 0x12], 4
jmp 0x40822c
mov eax, dword [0x40f114]
test eax, eax
je 0x40822c
call eax
mov ebx, eax
test ebx, ebx
je 0x40822c
mov eax, dword [0x40f118]
test eax, eax
je 0x40822c
push ebx
call eax
mov ebx, eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
push ebx
call dword [0x40f110]
pop edi
pop esi
pop ebx
leave
ret

Function at 0x40948d
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
push ebx
push esi
push edi
push 4
pop eax
call fcn.00403400
mov esi, esp
push 0x1c
lea eax, [ebp - 0x28]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
test eax, eax
je 0x409528
mov ebx, dword [ebp - 0x24]
lea eax, [ebp - 0x4c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ecx, dword [ebp - 0x48]
mov eax, dword [0x40efb8]
lea edi, [ecx - 1]
not edi
and edi, esi
sub edi, ecx
mov esi, eax
dec esi
neg esi
sbb esi, esi
and esi, 0xfffffff1
add esi, 0x11
imul esi, ecx
add esi, ebx
cmp edi, esi
mov dword [ebp - 8], ecx
jb 0x409528
cmp eax, 1
je 0x409549
mov dword [ebp - 4], ebx
mov ebx, 0x1000
push 0x1c
lea eax, [ebp - 0x28]
push eax
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
test eax, eax
je 0x409528
mov eax, dword [ebp - 0x1c]
add dword [ebp - 4], eax
test dword [ebp - 0x18], ebx
je 0x4094f5
test byte [ebp - 0x13], 1
mov eax, dword [ebp - 0x28]
mov dword [ebp - 4], eax
je 0x409524
xor eax, eax
inc eax
jmp 0x409568
cmp edi, eax
jae 0x40952c
xor eax, eax
jmp 0x409568
cmp eax, esi
jae 0x409533
mov dword [ebp - 4], esi
push 4
push ebx
push dword [ebp - 8]
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov eax, dword [0x40efb8]
jmp 0x40954c
mov dword [ebp - 4], edi
dec eax
neg eax
sbb eax, eax
and eax, 0x103
lea ecx, [ebp - 0xc]
push ecx
inc eax
push eax
push dword [ebp - 8]
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
lea esp, [ebp - 0x58]
pop edi
pop esi
pop ebx
leave
ret
Function at 0x409a6d
Capabilities:
Write file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x3a0]
sub esp, 0x420
mov eax, dword [0x40e0ec]
push edi
xor edi, edi
cmp dword [ebp + 0x3b0], edi
mov dword [ebp + 0x39c], eax
mov dword [ebp - 0x78], edi
mov dword [ebp - 0x7c], edi
jne 0x409a9e
xor eax, eax
jmp 0x409c27
mov eax, dword [ebp + 0x3a8]
push ebx
mov ebx, dword [ebp + 0x3a8]
and eax, 0x1f
sar ebx, 5
push esi
lea esi, [eax + eax*8]
lea ebx, [ebx*4 + 0x40f2c0]
mov eax, dword [ebx]
shl esi, 2
test byte [eax + esi + 4], 0x20
je 0x409ada
push 2
push edi
push edi
push dword [ebp + 0x3a8]
call fcn.0040a2d7
add esp, 0x10
mov eax, dword [ebx]
add eax, esi
test byte [eax + 4], 0x80
je 0x409bb5
cmp dword [ebp + 0x3b0], edi
mov eax, dword [ebp + 0x3ac]
mov dword [ebp - 0x74], eax
mov dword [ebp - 0x6c], edi
jbe 0x409bf3
mov ecx, dword [ebp - 0x74]
sub ecx, dword [ebp + 0x3ac]
lea eax, [ebp - 0x68]
mov dword [ebp - 0x70], edi
cmp ecx, dword [ebp + 0x3b0]
jae 0x409b3e
mov edx, dword [ebp - 0x74]
inc dword [ebp - 0x74]
mov dl, byte [edx]
inc ecx
cmp dl, 0xa
jne 0x409b2f
inc dword [ebp - 0x7c]
mov byte [eax], 0xd
inc eax
inc dword [ebp - 0x70]
mov byte [eax], dl
inc eax
inc dword [ebp - 0x70]
cmp dword [ebp - 0x70], 0x400
jl 0x409b0f
mov edi, eax
lea eax, [ebp - 0x68]
sub edi, eax
push 0
lea eax, [ebp - 0x80]
push eax
push edi
lea eax, [ebp - 0x68]
push eax
mov eax, dword [ebx]
push dword [eax + esi]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x409b7e
mov eax, dword [ebp - 0x80]
add dword [ebp - 0x78], eax
cmp eax, edi
jl 0x409b87
mov eax, dword [ebp - 0x74]
sub eax, dword [ebp + 0x3ac]
xor edi, edi
cmp eax, dword [ebp + 0x3b0]
jb 0x409b00
jmp 0x409b89
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x6c], eax
xor edi, edi
mov eax, dword [ebp - 0x78]
cmp eax, edi
jne 0x409c22
cmp dword [ebp - 0x6c], edi
je 0x409bf3
push 5
pop esi
cmp dword [ebp - 0x6c], esi
jne 0x409be8
call fcn.00409150
mov dword [eax], 9
call fcn.00409159
mov dword [eax], esi
jmp 0x409c1d
push edi
lea ecx, [ebp - 0x80]
push ecx
push dword [ebp + 0x3b0]
push dword [ebp + 0x3ac]
push dword [eax]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x409bdd
mov eax, dword [ebp - 0x80]
mov dword [ebp - 0x6c], edi
mov dword [ebp - 0x78], eax
jmp 0x409b89
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x6c], eax
jmp 0x409b89
push dword [ebp - 0x6c]
call fcn.00409162
pop ecx
jmp 0x409c1d
mov eax, dword [ebx]
test byte [eax + esi + 4], 0x40
je 0x409c0b
mov eax, dword [ebp + 0x3ac]
cmp byte [eax], 0x1a
jne 0x409c0b
xor eax, eax
jmp 0x409c25
call fcn.00409150
mov dword [eax], 0x1c
call fcn.00409159
mov dword [eax], edi
or eax, 0xffffffff
jmp 0x409c25
sub eax, dword [ebp - 0x7c]
pop esi
pop ebx
mov ecx, dword [ebp + 0x39c]
pop edi
call fcn.00402e46
add ebp, 0x3a0
leave
ret
Function at 0x402319
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
js 0x40233d
mov ecx, dword [ecx + 0xa4]
cmp ecx, 6
jb 0x40233d
inc eax
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x40bca0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x48d34b
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.00481376
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40bd22
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0047e5e7
mov eax, dword [eax]
push 0x4b5210
push eax
call fcn.00470f24
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00481601
test bl, bl
je 0x40bd22
push 0x4b5210
lea ecx, [esp + 0xc]
call fcn.00481991
push 0x4b8da0
lea ecx, [esp + 0xc]
call fcn.00481991
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 0x40bd5e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00481601
jmp 0x40be29
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 0x40bde2
lea edx, [esp + 0x7c]
push 0x4b8d9c
push edx
call fcn.00470f24
add esp, 8
test eax, eax
je 0x40bde2
lea eax, [esp + 0x7c]
push 0x4b8d98
push eax
call fcn.00470f24
add esp, 8
test eax, eax
je 0x40bde2
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 0x40bd72
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.00481601
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 0x40c640
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 0x40c6a2
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 0x40c6b0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x48d3cb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4c0334]
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 0x40c7e8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40c716
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00481601
xor eax, eax
jmp 0x40c85f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0048173e
push esi
lea ecx, [esp + 0xc]
call fcn.004819cd
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x4b8dd8
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40c83d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0040c640
test eax, eax
jne 0x40c83d
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.0040c640
test eax, eax
jne 0x40c83d
lea eax, [esp + 0x14]
push 0x4b8db4
push eax
call fcn.00471f60
mov esi, eax
add esp, 8
test esi, esi
jne 0x40c81c
lea ecx, [esp + 0x14]
push 0x4b8db0
push ecx
call fcn.00471ee0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40c81c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40c81f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004816ee
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40c72e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00481601
xor eax, eax
jmp 0x40c85f
mov byte [esi], 0
push 0x4b8dac
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.00481601
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 0x4211e0
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 0x42124e
cmp si, 0x69
ja 0x42124e
add esi, 0xffd0
cmp si, 0x11
je 0x42121e
push 0x11
call edi
test ax, ax
jge 0x42121e
or esi, 0x2000
cmp si, 0x10
je 0x421233
push 0x10
call edi
test ax, ax
jge 0x421233
or esi, 0x4000
cmp si, 0x12
je 0x421248
push 0x12
call edi
test ax, ax
jge 0x421248
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x42125b
mov esi, 0xbd
jmp 0x42120f
cmp si, 0x6e
jne 0x421268
mov esi, 0xbe
jmp 0x42120f
cmp si, 0x6f
jne 0x421209
mov esi, 0xbf
jmp 0x42120f

Function at 0x422980
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4d0a50]
xor edx, edx
cmp eax, edx
jne 0x4229a6
xor eax, eax
mov byte [eax + 0x4d0950], al
inc eax
cmp eax, 0x100
jl 0x42298e
mov dword [0x4d0a50], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4d0950
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x422a37
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 0x422a0a
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 0x4229d8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x422ab0
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 0x422b03
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 0x422aea
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