joyce8/EMBER2024-capa huggingface dataset:
Function at 0x502680
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x789990]
xor edx, edx
cmp eax, edx
jne 0x5026a6
xor eax, eax
mov byte [eax + 0x789890], al
inc eax
cmp eax, 0x100
jl 0x50268e
mov dword [0x789990], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x789890
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x502737
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 0x50270a
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 0x5026d8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x5027b0
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 0x502803
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 0x5027ea
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 0x5091c0
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x5557ce
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, dword [esp + 0x18]
push esi
push edi
mov edi, ecx
mov ecx, dword [esp + 0x1c]
push eax
push ecx
mov ecx, edi
mov dword [esp + 0x10], edi
call fcn.00509ae0
push 0x10
mov dword [esp + 0x18], 0
mov dword [edi], 0x66e4e4
call fcn.005444e6
mov esi, eax
add esp, 4
mov dword [esp + 0x20], esi
mov al, 1
test esi, esi
mov byte [esp + 0x14], al
je 0x509253
push 4
mov byte [esi + 8], al
mov dword [esi], 0
mov dword [esi + 4], 0
call fcn.005444e6
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
mov byte [esp + 0x14], 2
je 0x50924c
push 0
mov ecx, eax
call fcn.005002c0
mov dword [esi + 0xc], eax
jmp 0x509255
xor eax, eax
mov dword [esi + 0xc], eax
jmp 0x509255
xor esi, esi
mov ecx, dword [esp + 0xc]
mov dword [edi + 0x30], esi
mov dword [edi + 0x34], 0
mov eax, edi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x10
ret 8
Function at 0x52d360
Capabilities:
Terminate process

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0xc]
test esi, esi
push edi
jne 0x52d370
mov esi, 1
push esi
call fcn.00518437
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x52d3c2
call fcn.00518f3d
mov edi, eax
call fcn.0052feb0
mov ecx, dword [edi]
mov dword [eax], ecx
mov eax, dword [esp + 0x14]
mov edi, eax
and edi, 8
je 0x52d3a6
mov edx, dword [0x6a2dc8]
mov dword [0x6a2dc4], edx
test al, 0x18
je 0x52d3b7
push esi
push 0x24
push 5
call fcn.00530700
add esp, 0xc
test edi, edi
je 0x52d3dd
push 1
call fcn.0051ac24
test byte [esp + 0x14], 0x20
je 0x52d3dd
mov ecx, esi
mov edx, ecx
shr ecx, 2
xor eax, eax
mov edi, ebx
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
pop edi
pop esi
mov eax, ebx
pop ebx
ret

Function at 0x52e4e0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x2c
mov edx, dword [ebp + 0x10]
test edx, edx
push ebx
push esi
push edi
je 0x52e5d4
cmp byte [edx], 0
je 0x52e5c7
mov eax, dword [ebp + 0xc]
mov ebx, dword [ebp + 8]
add eax, 8
or ecx, 0xffffffff
mov dword [esp + 0xc], eax
xor eax, eax
mov edi, edx
repne scasb al, byte es:[edi]
not ecx
dec ecx
push ecx
push edx
lea ecx, [esp + 0x20]
push ecx
mov esi, ebx
call fcn.0052e460
mov edi, dword [ebp + 0xc]
push 8
lea edx, [esp + 0x20]
push edi
push edx
call fcn.0052e460
mov edx, dword [esp + 0x34]
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
xor eax, edx
push eax
xor ecx, dword [esp + 0x34]
push ecx
lea edx, [esp + 0x40]
push edx
call fcn.0052e3d0
mov eax, dword [esp + 0x30]
add esp, 0x24
cmp edi, eax
jae 0x52e591
sub eax, edi
mov edi, eax
lea eax, [esp + 0x20]
push eax
call fcn.0052e410
fmul qword [0x672360]
push ecx
fstp qword [esp]
call fcn.00516da8
fadd qword [0x672358]
add esp, 8
call fcn.00516e78
mov byte [ebx], al
inc ebx
dec edi
jne 0x52e564
lea ecx, [esp + 0x20]
push ecx
call fcn.0052e410
fmul qword [0x672360]
push ecx
fstp qword [esp]
call fcn.00516da8
add esp, 8
call fcn.00516e78
cmp esi, ebx
je 0x52e5bd
xor byte [esi], al
inc esi
cmp esi, ebx
jne 0x52e5b6
mov byte [ebx], 0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [ebp + 8]
mov byte [edx], 0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 8]
pop edi
pop esi
mov byte [eax], 0
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x52e9a0
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push ebp
push esi
lea eax, [ebx + 0x134]
push edi
lea esi, [ebx + 0x34]
mov dword [esp + 0x14], eax
xor edi, edi
mov ecx, dword [ebx + 0x1c]
mov ebp, edi
and ebp, 0xff
mov al, byte [ecx + ebp + 1]
test al, 3
je 0x52e9d0
mov byte [edi + esi], 2
jmp 0x52ea07
test al, 4
je 0x52e9da
mov byte [edi + esi], 0xd
jmp 0x52ea07
mov edx, dword [ebx + 0x240]
push edi
push ebx
call dword [edx + 4]
add esp, 8
cmp eax, 1
jle 0x52e9f3
mov byte [edi + esi], 2
jmp 0x52ea07
mov eax, dword [ebx + 0x1c]
test byte [eax + ebp + 1], 0x17
jne 0x52ea03
mov byte [edi + esi], 0x19
jmp 0x52ea07
mov byte [edi + esi], 1
inc edi
cmp edi, 0x100
jb 0x52e9b7
mov ecx, dword [esp + 0x14]
mov al, 7
mov byte [esi + 0x21], al
mov byte [esi + 0x3d], al
mov byte [esi + 0x3e], al
mov al, 0x10
mov byte [esi + 0x7c], al
mov byte [esi + 0x26], al
mov byte [esi + 0x24], 2
mov byte [esi + 0x5f], 2
mov byte [esi + 0x27], 9
mov byte [esi + 0x2e], 0xf
mov byte [esi + 0x3c], 8
mov byte [esi + 0x23], 0xa
mov byte [esi + 0x3b], 0x15
mov byte [esi + 0x3a], 0x16
mov byte [esi], 0x11
mov byte [esi + 0x5c], 0x12
mov byte [esi + 0x2f], 0x13
mov byte [esi + 0x2a], 0x14
mov byte [esi + 0x40], 0x17
mov byte [esi + 0x60], 0x1a
mov byte [esi + 0x22], 0x20
mov eax, esi
sub ecx, esi
mov edi, 0x100
mov dl, byte [eax]
cmp dl, 2
je 0x52ea7b
cmp dl, 0xd
je 0x52ea7b
xor edx, edx
jmp 0x52ea80
mov edx, 1
mov byte [ecx + eax], dl
inc eax
dec edi
jne 0x52ea6b
mov al, 0x1d
mov byte [esi + 0x58], al
mov byte [esi + 0x78], al
mov al, 0x1f
pop edi
mov byte [esi + 0x62], 0x1e
mov byte [esi + 0x4e], al
mov byte [esi + 0x6e], al
pop esi
pop ebp
pop ebx
ret

Function at 0x52eaa0
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push esi
push edi
push ebx
push 0x4000
call fcn.0052d360
mov esi, eax
add esp, 8
test esi, esi
jne 0x52eac1
pop edi
pop esi
xor al, al
pop ebx
ret
mov eax, dword [esp + 0x10]
push ebx
push 0
push eax
call fcn.005300f0
mov edi, eax
add esp, 0xc
test edi, edi
jge 0x52eae6
push esi
call fcn.0052d3f0
add esp, 4
pop edi
pop esi
mov al, 1
pop ebx
ret
push ebp
push 0x4000
push esi
push edi
call fcn.0052286b
push ebx
push edi
mov ebp, eax
call fcn.00530160
push 0x52eb20
push ebp
push esi
call fcn.00531490
push esi
call fcn.0052d3f0
add esp, 0x24
pop ebp
pop edi
pop esi
xor al, al
pop ebx
ret

Function at 0x52fc30
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x190
call fcn.0052fc90
test al, al
je 0x52fc7f
lea eax, [esp]
push eax
push 2
call sub.WS2_32.dll_WSAStartup
test eax, eax
je 0x52fc5b
call sub.WS2_32.dll_WSACleanup
lea ecx, [esp]
push ecx
jmp 0x52fc6d
cmp word [esp], 2
je 0x52fc78
call sub.WS2_32.dll_WSACleanup
lea edx, [esp]
push edx
push 2
call sub.WS2_32.dll_WSAStartup
test eax, eax
jne 0x52fc7f
mov byte [0x79bb60], 1
xor al, al
add esp, 0x190
ret
Function at 0x52fe20
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push ebx
push esi
push 0x7a9240
xor bl, bl
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [0x7a9168]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
jne 0x52fe9b
push 0x4c
push 1
call fcn.00519365
mov esi, eax
add esp, 8
test esi, esi
jne 0x52fe63
push 0x7a9240
mov bl, 1
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
mov al, bl
pop ebx
ret
mov ecx, dword [0x7a9168]
push esi
push ecx
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
mov eax, dword [0x79bb64]
inc eax
lea edx, [esi + 0xc]
mov dword [0x79bb64], eax
push edx
mov dword [esi + 0x30], eax
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
lea eax, [esi + 4]
push 0
push eax
call fcn.00533970
add esp, 8
mov byte [esi + 0x3c], 1
push 0x7a9240
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
mov al, bl
pop ebx
ret

Function at 0x530320
Capabilities:
Read file on windows

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x1c]
mov dword [esp + 0x1c], edi
call fcn.00518f3d
mov ebx, dword [esp + 0x14]
mov dword [eax], 0
mov eax, dword [esp + 0x18]
push edi
push eax
push ebx
call fcn.0052286b
mov esi, eax
add esp, 0xc
cmp esi, edi
je 0x53041a
call fcn.00518f3d
cmp dword [eax], 0
je 0x530367
call fcn.00518f3d
mov ebp, dword [eax]
jmp 0x53036a
or ebp, 0xffffffff
call fcn.0052feb0
test esi, esi
mov dword [eax], ebp
jne 0x53037f
call fcn.00518f3d
cmp dword [eax], 4
je 0x5303cf
mov eax, dword [esp + 0x20]
test al, 0x1a
je 0x5303b2
cmp esi, 0xffffffff
je 0x5303f4
test al, 6
je 0x5303b2
call fcn.0052feb0
mov ecx, dword [eax]
push ecx
push ebx
call fcn.005339a0
add esp, 4
push eax
push 0x24
push 9
call fcn.00530700
mov eax, dword [esp + 0x30]
add esp, 0x10
cmp esi, 0xffffffff
je 0x530412
test al, 6
je 0x5303c0
test ah, 2
je 0x530412
test esi, esi
jbe 0x53041e
test ah, 2
je 0x53041e
add dword [esp + 0x18], esi
sub edi, esi
call fcn.00518f3d
mov edx, dword [esp + 0x18]
push edi
push edx
push ebx
mov dword [eax], 0
call fcn.0052286b
mov esi, eax
add esp, 0xc
cmp esi, edi
je 0x53041a
jmp 0x530354
call fcn.0052feb0
mov eax, dword [eax]
push eax
push ebx
call fcn.005339a0
add esp, 4
push eax
push 0x24
push 2
call fcn.00530700
add esp, 0x10
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
ret
mov eax, dword [esp + 0x20]
test al, 6
je 0x53042b
xor esi, esi
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
ret
test ah, 2
je 0x530434
mov esi, dword [esp + 0x1c]
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
ret

Function at 0x541339
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x541359
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00518eca
pop ecx
or eax, 0xffffffff
ret
test al, 1
je 0x54137c
test byte [esp + 8], 2
je 0x54137c
call fcn.00518f3d
mov dword [eax], 0xd
call fcn.00518f46
mov dword [eax], 5
jmp 0x541355
xor eax, eax
ret
Function at 0x546b85
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x546bbd
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.00544c00
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.00544bd8
jmp 0x546bc9
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x548383
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x5483c5
call fcn.0054e727
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x5483c5
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x5483bc
xor eax, eax
jmp 0x5483cd
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.005483d3
pop edi
pop esi
pop ebx
ret 4

Function at 0x54ec57
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x54ec85
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x54eca3
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0054ebbd
jmp 0x54eca3
mov eax, dword [esi + 0x14]
test eax, eax
je 0x54eca3
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0054ebbd
test edi, edi
mov eax, edi
jne 0x54ec8d
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8

Function at 0x121100ec
Capabilities:
Packed with generic packer

Disassembly:
clc
pop ss
out dx, al
sal dword [ecx - 0x31], cl
mov dword [0xf55beb10], eax
and edi, eax
invalid

Function at 0x407e15
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x42e180]
jne 0x407e1f
repz ret
jmp fcn.0040bc0c
Function at 0x40a890
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x469ceb
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.0045e6af
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40a912
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0045c1ed
mov eax, dword [eax]
push 0x4931c0
push eax
call fcn.0044efc4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0045e93a
test bl, bl
je 0x40a912
push 0x4931c0
lea ecx, [esp + 0xc]
call fcn.0045ecca
push 0x496d3c
lea ecx, [esp + 0xc]
call fcn.0045ecca
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 0x40a94e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0045e93a
jmp 0x40aa19
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 0x40a9d2
lea edx, [esp + 0x7c]
push 0x496d38
push edx
call fcn.0044efc4
add esp, 8
test eax, eax
je 0x40a9d2
lea eax, [esp + 0x7c]
push 0x496d34
push eax
call fcn.0044efc4
add esp, 8
test eax, eax
je 0x40a9d2
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 0x40a962
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.0045e93a
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 0x40b210
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 0x40b272
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 0x40b280
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x469d6b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x49d210]
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 0x40b3b8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40b2e6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045e93a
xor eax, eax
jmp 0x40b42f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0045ea77
push esi
lea ecx, [esp + 0xc]
call fcn.0045ed06
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 0x40b40d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.0040b210
test eax, eax
jne 0x40b40d
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.0040b210
test eax, eax
jne 0x40b40d
lea eax, [esp + 0x14]
push 0x496d50
push eax
call fcn.00450000
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b3ec
lea ecx, [esp + 0x14]
push 0x496d4c
push ecx
call fcn.0044ff80
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b3ec
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40b3ef
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0045ea27
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40b2fe
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045e93a
xor eax, eax
jmp 0x40b42f
mov byte [esi], 0
push 0x496d48
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.0045e93a
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 0x41cd90
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 0x41cdfe
cmp si, 0x69
ja 0x41cdfe
add esi, 0xffd0
cmp si, 0x11
je 0x41cdce
push 0x11
call edi
test ax, ax
jge 0x41cdce
or esi, 0x2000
cmp si, 0x10
je 0x41cde3
push 0x10
call edi
test ax, ax
jge 0x41cde3
or esi, 0x4000
cmp si, 0x12
je 0x41cdf8
push 0x12
call edi
test ax, ax
jge 0x41cdf8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41ce0b
mov esi, 0xbd
jmp 0x41cdbf
cmp si, 0x6e
jne 0x41ce18
mov esi, 0xbe
jmp 0x41cdbf
cmp si, 0x6f
jne 0x41cdb9
mov esi, 0xbf
jmp 0x41cdbf

Function at 0x41e540
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4ad898]
xor edx, edx
cmp eax, edx
jne 0x41e566
xor eax, eax
mov byte [eax + 0x4ad798], al
inc eax
cmp eax, 0x100
jl 0x41e54e
mov dword [0x4ad898], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4ad798
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41e5f7
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 0x41e5ca
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 0x41e598
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41e670
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 0x41e6c3
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 0x41e6aa
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 0x425100
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 0x425298
cmp ebp, ebx
jle 0x425298
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 0x42515e
dec eax
or eax, 0xfffffff8
inc eax
je 0x425165
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x425174
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x42517b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.0045e67b
add esp, 4
cmp eax, ebx
je 0x42519c
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.0045e67b
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 0x42528e
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 0x425275
mov al, byte [edx]
cmp al, 0xc0
jbe 0x425261
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x425256
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 0x425264
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x425264
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x425200
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 0x4251f1
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