joyce8/EMBER2024-capa huggingface dataset:
Function at 0x416710
Capabilities:
Get mac address on windows

Disassembly:
push ecx
push esi
push 0x288
mov dword [esp + 8], 0x288
call fcn.0043955e
mov esi, eax
add esp, 4
test esi, esi
je 0x4167e4
push 0x288
push 0
push esi
call fcn.0045a670
add esp, 0xc
lea eax, [esp + 4]
push eax
push esi
call sub.IPHLPAPI.DLL_GetAdaptersInfo
cmp eax, 0x6f
jne 0x41675f
push esi
call fcn.00439598
add esp, 4
pop esi
pop ecx
ret 4
lea ecx, [esp + 4]
push ecx
push esi
call sub.IPHLPAPI.DLL_GetAdaptersInfo
test eax, eax
jne 0x4167db
mov eax, esi
mov ecx, 6
cmp dword [eax + 0x1a0], ecx
jne 0x416785
cmp dword [eax + 0x190], ecx
je 0x416799
mov eax, dword [eax]
test eax, eax
jne 0x416775
push esi
call fcn.00439598
add esp, 4
pop esi
pop ecx
ret 4
movzx edx, byte [esi + 0x199]
movzx eax, byte [esi + 0x198]
movzx ecx, byte [esi + 0x197]
push edx
movzx edx, byte [esi + 0x196]
push eax
movzx eax, byte [esi + 0x195]
push ecx
movzx ecx, byte [esi + 0x194]
push edx
mov edx, dword [esp + 0x1c]
push eax
push ecx
push 0x47e354
push edx
call fcn.00405950
add esp, 0x20
push esi
call fcn.00439598
add esp, 4
pop esi
pop ecx
ret 4

Function at 0x4167f0
Capabilities:
Get local ipv4 addresses
Get mac address on windows

Disassembly:
push ecx
push esi
push 0x170
mov dword [esp + 8], 0x170
call fcn.0043955e
mov esi, eax
add esp, 4
test esi, esi
je 0x4168b4
push 0x170
push 0
push esi
call fcn.0045a670
add esp, 0xc
lea eax, [esp + 4]
push eax
push esi
push 0
push 0
push 0
call sub.IPHLPAPI.DLL_GetAdaptersAddresses
cmp eax, 0x6f
jne 0x416845
push esi
call fcn.00439598
add esp, 4
pop esi
pop ecx
ret 4
lea ecx, [esp + 4]
push ecx
push esi
push 0
push 0
push 0
call sub.IPHLPAPI.DLL_GetAdaptersAddresses
test eax, eax
jne 0x4168ab
mov eax, esi
mov ecx, 6
cmp dword [eax + 0x34], ecx
je 0x41687b
mov eax, dword [eax + 8]
test eax, eax
jne 0x416861
push esi
call fcn.00439598
add esp, 4
pop esi
pop ecx
ret 4
movzx edx, byte [eax + 0x31]
movzx ecx, byte [eax + 0x30]
push edx
movzx edx, byte [eax + 0x2f]
push ecx
movzx ecx, byte [eax + 0x2e]
push edx
movzx edx, byte [eax + 0x2d]
movzx eax, byte [eax + 0x2c]
push ecx
mov ecx, dword [esp + 0x1c]
push edx
push eax
push 0x47e354
push ecx
call fcn.00405950
add esp, 0x20
push esi
call fcn.00439598
add esp, 4
pop esi
pop ecx
ret 4
Function at 0x41b7d0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test ecx, ecx
jne 0x41b7d7
xor eax, eax
ret
push esi
not eax
cmp edx, 8
jb 0x41b8b4
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 + 0x47ff50]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x47ff50]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x47ff50]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x47ff50]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x47ff50]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x47ff50]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x47ff50]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x47ff50]
inc ecx
sub edx, 8
sub esi, 1
jne 0x41b7f0
pop edi
test edx, edx
je 0x41b8db
jmp 0x41b8c0
movzx esi, byte [ecx]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x47ff50]
inc ecx
sub edx, 1
jne 0x41b8c0
not eax
pop esi
ret

Function at 0x41b8e0
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov eax, dword [edx]
movsx ecx, cl
xor ecx, eax
shr eax, 8
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x47ff50]
xor ecx, eax
movzx eax, cl
add eax, dword [edx + 4]
mov dword [edx], ecx
mov ecx, dword [edx + 8]
imul eax, eax, 0x8088405
inc eax
mov dword [edx + 4], eax
shr eax, 0x18
xor eax, ecx
and eax, 0xff
shr ecx, 8
xor ecx, dword [eax*4 + 0x47ff50]
mov dword [edx + 8], ecx
ret

Function at 0x41b930
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov ecx, dword [esi + 8]
push ebx
mov edx, ecx
and edx, 0xfffd
or edx, 2
mov ebx, edx
xor ebx, 1
imul ebx, edx
mov edx, dword [esi]
shr ebx, 8
push edi
xor al, bl
movsx edi, al
xor edi, edx
shr edx, 8
and edi, 0xff
mov ebx, dword [edi*4 + 0x47ff50]
xor ebx, edx
movzx edx, bl
add edx, dword [esi + 4]
mov dword [esi], ebx
imul edx, edx, 0x8088405
inc edx
mov dword [esi + 4], edx
shr edx, 0x18
xor edx, ecx
and edx, 0xff
shr ecx, 8
xor ecx, dword [edx*4 + 0x47ff50]
pop edi
mov dword [esi + 8], ecx
pop ebx
ret

Function at 0x41c090
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, ebx
imul esi, dword [esp + 8]
cmp byte [edi], 0
je 0x41c0c2
mov ecx, dword [edi + 4]
push 0
lea eax, [esp + 0xc]
push eax
push esi
push edx
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x41c0b8
mov byte [edi + 8], 1
mov eax, dword [esp + 8]
xor edx, edx
div ebx
pop esi
ret
mov ecx, dword [edi + 0x1c]
mov eax, dword [edi + 0x18]
push ebp
lea ebp, [ecx + esi]
cmp ebp, eax
pop ebp
jbe 0x41c0d5
sub eax, ecx
mov esi, eax
mov eax, dword [edi + 0x14]
push esi
add eax, ecx
push eax
push edx
call fcn.0045e1b0
add dword [edi + 0x1c], esi
mov eax, esi
add esp, 0xc
xor edx, edx
div ebx
pop esi
ret
Function at 0x41c0f0
Capabilities:
Read file on windows

Disassembly:
sub esp, 8
cmp byte [esi], 0
push edi
mov edi, 1
je 0x41c123
mov edx, dword [esi + 4]
push 0
lea eax, [esp + 0xc]
push eax
push edi
lea ecx, [esp + 0x13]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x41c11d
mov byte [esi + 8], 1
mov edi, dword [esp + 8]
jmp 0x41c14f
mov eax, dword [esi + 0x18]
push ebx
mov ebx, dword [esi + 0x1c]
lea ecx, [ebx + 1]
cmp ecx, eax
jbe 0x41c135
sub eax, ebx
mov edi, eax
mov edx, dword [esi + 0x14]
push edi
add edx, ebx
push edx
lea eax, [esp + 0x13]
push eax
call fcn.0045e1b0
add esp, 0xc
add ebx, edi
mov dword [esi + 0x1c], ebx
pop ebx
cmp edi, 1
pop edi
jne 0x41c166
movzx ecx, byte [esp + 3]
mov edx, dword [esp + 0xc]
mov dword [edx], ecx
xor eax, eax
add esp, 8
ret
cmp byte [esi], 0
je 0x41c160
cmp byte [esi + 8], 0
je 0x41c160
or eax, 0xffffffff
add esp, 8
ret
Function at 0x41c250
Capabilities:
Read file on windows

Disassembly:
sub esp, 0x18
cmp byte [esi], 0
je 0x41c295
cmp byte [esi + 1], 0
je 0x41c29d
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 ebp
je 0x41c2b2
cmp byte [esi + 1], 0
je 0x41c2a4
mov edx, dword [esi + 4]
push 1
push 0
push 0
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ebp, eax
sub ebp, dword [esi + 0xc]
mov dword [esp + 4], ebp
jmp 0x41c2bb
mov ecx, dword [esi + 0x18]
mov dword [esi + 0x1c], ecx
jmp 0x41c26e
or eax, 0xffffffff
add esp, 0x18
ret
mov dword [esp + 4], 0
mov ebp, dword [esp + 4]
jmp 0x41c2bb
mov eax, dword [esi + 0x1c]
mov dword [esp + 4], eax
mov ebp, eax
push edi
mov edi, 0xffff
mov dword [esp + 0xc], edi
cmp ebp, edi
jae 0x41c2cf
mov dword [esp + 0xc], ebp
mov edi, ebp
push ebx
push 0x404
call fcn.004583eb
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x41c2ed
pop ebx
pop edi
or eax, 0xffffffff
pop ebp
add esp, 0x18
ret
mov eax, 4
mov dword [esp + 0x18], 0xffffffff
cmp edi, eax
jbe 0x41c401
jmp 0x41c310
mov edi, dword [esp + 0x10]
mov eax, dword [esp + 0x14]
mov ebp, dword [esp + 0xc]
add eax, 0x400
mov dword [esp + 0x14], edi
cmp eax, edi
ja 0x41c321
mov dword [esp + 0x14], eax
mov eax, ebp
sub eax, dword [esp + 0x14]
sub ebp, eax
mov dword [esp + 0x20], eax
cmp ebp, 0x404
jbe 0x41c33a
mov ebp, 0x404
cmp byte [esi], 0
je 0x41c35f
cmp byte [esi + 1], 0
je 0x41c401
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 0x41c362
mov dword [esi + 0x1c], eax
cmp byte [esi], 0
mov edi, ebp
je 0x41c38a
mov ecx, dword [esi + 4]
push 0
lea eax, [esp + 0x20]
push eax
push ebp
push ebx
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x41c384
mov byte [esi + 8], 1
mov eax, dword [esp + 0x1c]
jmp 0x41c3b0
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x18]
lea edx, [eax + ebp]
cmp edx, ecx
jbe 0x41c39b
sub ecx, eax
mov edi, ecx
mov ecx, dword [esi + 0x14]
push edi
add ecx, eax
push ecx
push ebx
call fcn.0045e1b0
add esp, 0xc
add dword [esi + 0x1c], edi
mov eax, edi
xor edx, edx
div ebp
cmp eax, 1
jne 0x41c401
lea eax, [ebp - 3]
test eax, eax
jl 0x41c3ec
dec eax
cmp byte [eax + ebx], 0x50
jne 0x41c3dc
cmp byte [eax + ebx + 1], 0x4b
jne 0x41c3dc
cmp byte [eax + ebx + 2], 5
jne 0x41c3dc
cmp byte [eax + ebx + 3], 6
je 0x41c3e2
test eax, eax
jge 0x41c3c0
jmp 0x41c3ec
mov edx, dword [esp + 0x20]
add eax, edx
mov dword [esp + 0x18], eax
cmp dword [esp + 0x18], 0
jne 0x41c401
mov eax, dword [esp + 0x10]
cmp dword [esp + 0x14], eax
jb 0x41c304
push ebx
call fcn.0045830e
mov eax, dword [esp + 0x1c]
add esp, 4
pop ebx
pop edi
pop ebp
add esp, 0x18
ret
Function at 0x41cd30
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0xc
push ebx
push edi
mov edi, eax
xor ebx, ebx
cmp edi, ebx
jne 0x41cd48
pop edi
mov eax, 0xffffff9a
pop ebx
add esp, 0xc
ret
cmp dword [edi + 0x18], ebx
je 0x41cd3d
cmp dword [edi + 0x7c], ebx
je 0x41cd57
call fcn.0041d120
lea eax, [esp + 0xc]
push eax
lea ecx, [esp + 0xc]
push ecx
lea edx, [esp + 0x18]
push edx
call fcn.0041caa0
add esp, 0xc
test eax, eax
je 0x41cd7d
pop edi
mov eax, 0xffffff99
pop ebx
add esp, 0xc
ret
push ebp
push 0x84
call fcn.004583eb
mov ebp, eax
add esp, 4
cmp ebp, ebx
je 0x41cdbf
push 0x4000
call fcn.004583eb
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
add esp, 4
mov dword [ebp], eax
mov dword [ebp + 0x44], ecx
mov dword [ebp + 0x48], edx
mov dword [ebp + 0x4c], ebx
cmp eax, ebx
jne 0x41cdcb
push ebp
call fcn.0045830e
add esp, 4
pop ebp
pop edi
mov eax, 0xffffff98
pop ebx
add esp, 0xc
ret
mov dword [ebp + 0x40], ebx
mov ecx, dword [edi + 0x3c]
xor eax, eax
cmp dword [edi + 0x34], ebx
mov dword [ebp + 0x54], ecx
mov dword [ebp + 0x50], ebx
mov edx, dword [edi + 0x34]
sete al
mov dword [ebp + 0x64], edx
mov ecx, dword [edi]
mov dword [ebp + 0x60], ecx
mov edx, dword [edi + 0xc]
push esi
mov dword [ebp + 0x68], edx
mov dword [ebp + 0x18], ebx
cmp eax, ebx
jne 0x41ce14
lea esi, [ebp + 4]
mov dword [ebp + 0x24], ebx
mov dword [ebp + 0x28], ebx
mov dword [ebp + 0x2c], ebx
call fcn.0041bba0
test eax, eax
jne 0x41ce14
mov dword [ebp + 0x40], 1
mov eax, dword [edi + 0x40]
mov dword [ebp + 0x58], eax
mov ecx, dword [edi + 0x44]
mov dword [ebp + 0x5c], ecx
mov dl, byte [edi + 0x30]
and dl, 1
mov byte [ebp + 0x6c], dl
mov eax, dword [edi + 0x30]
shr eax, 3
test al, 1
je 0x41ce3e
mov cl, byte [edi + 0x39]
mov byte [ebp + 0x80], cl
jmp 0x41ce47
mov dl, byte [edi + 0x3f]
mov byte [ebp + 0x80], dl
movzx eax, byte [ebp + 0x6c]
mov esi, dword [esp + 0x20]
neg eax
sbb eax, eax
and eax, 0xc
lea edx, [ebp + 0x70]
mov dword [ebp + 0x7c], eax
mov dword [edx], 0x12345678
mov dword [ebp + 0x74], 0x23456789
mov dword [ebp + 0x78], 0x34567890
cmp esi, ebx
je 0x41ce84
mov cl, byte [esi]
cmp cl, bl
je 0x41ce84
call fcn.0041b8e0
add esi, 1
jne 0x41ce74
mov ecx, dword [edi + 0x78]
mov edx, dword [esp + 0x18]
lea eax, [ecx + edx + 0x1e]
mov dword [ebp + 0x3c], eax
mov dword [ebp + 8], ebx
pop esi
mov dword [edi + 0x7c], ebp
pop ebp
pop edi
xor eax, eax
pop ebx
add esp, 0xc
ret
Function at 0x41d220
Capabilities:
Get common file path

Disassembly:
push ecx
cmp dword [esi], 0
push edi
jne 0x41d2c1
cmp dword [esi + 4], 0xffffffff
jne 0x41d2c1
lea edi, [esi + 0x244]
push edi
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
mov eax, edi
lea edx, [eax + 2]
lea esp, [esp]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x41d250
sub eax, edx
sar eax, 1
movzx eax, word [esi + eax*2 + 0x242]
cmp ax, 0x5c
je 0x41d289
cmp ax, 0x2f
je 0x41d289
add edi, 0xfffffffe
mov ax, word [edi + 2]
add edi, 2
test ax, ax
jne 0x41d276
mov eax, dword [0x47d414]
mov dword [edi], eax
mov eax, dword [esp + 0xc]
lea ecx, [esp + 0xc]
push ecx
call fcn.0041bff0
add esp, 4
test eax, eax
jne 0x41d2a7
mov eax, dword [esp + 0xc]
pop edi
pop ecx
ret 4
call fcn.0041c420
mov dword [esi], eax
neg eax
sbb eax, eax
and eax, 0xfffffe00
add eax, 0x200
pop edi
pop ecx
ret 4
mov eax, 0x1000000
pop edi
pop ecx
ret 4

Function at 0x41d8c0
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
sub esp, 0x414
mov eax, dword [0x48f900]
xor eax, esp
mov dword [esp + 0x410], eax
push ebx
mov ebx, dword [esp + 0x420]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
push esi
mov esi, dword [esp + 0x424]
test esi, esi
je 0x41d900
push esi
call ebp
cmp eax, 0xffffffff
jne 0x41d900
push 0
push esi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
movzx eax, word [ebx]
test ax, ax
je 0x41d9e6
mov ecx, ebx
mov edx, ebx
movzx eax, ax
cmp ax, 0x2f
je 0x41d91f
cmp ax, 0x5c
jne 0x41d921
mov ecx, edx
movzx eax, word [edx + 2]
add edx, 2
test ax, ax
jne 0x41d913
push edi
cmp ecx, ebx
je 0x41d964
sub ecx, ebx
sar ecx, 1
add ecx, ecx
mov edi, ecx
push edi
lea eax, [esp + 0x21c]
push ebx
push eax
call fcn.0045e1b0
lea edx, [esp + 0x224]
push edx
xor ecx, ecx
push esi
mov word [esp + edi + 0x22c], cx
call fcn.0041d8c0
add esp, 0x14
xor eax, eax
mov word [esp + 0x10], ax
test esi, esi
je 0x41d98f
lea edx, [esp + 0x10]
mov eax, esi
sub edx, esi
jmp 0x41d980
movzx ecx, word [eax]
mov word [edx + eax], cx
add eax, 2
test cx, cx
jne 0x41d980
mov eax, ebx
mov edx, ebx
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x41d993
lea edi, [esp + 0x10]
sub eax, edx
add edi, 0xfffffffe
jmp 0x41d9b0
mov cx, word [edi + 2]
add edi, 2
test cx, cx
jne 0x41d9b0
mov ecx, eax
shr ecx, 2
mov esi, edx
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea ecx, [esp + 0x10]
push ecx
call ebp
pop edi
cmp eax, 0xffffffff
jne 0x41d9e6
push 0
lea edx, [esp + 0x10]
push edx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
mov ecx, dword [esp + 0x41c]
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00457861
add esp, 0x414
ret
Function at 0x41e180
Capabilities:
Set registry value

Disassembly:
push 0xffffffffffffffff
push 0x472848
mov eax, dword fs:[0]
push eax
sub esp, 0x14
push ebx
push ebp
push esi
push edi
mov eax, dword [0x48f900]
xor eax, esp
push eax
lea eax, [esp + 0x28]
mov dword fs:[0], eax
push str.Software_
lea ecx, [esp + 0x18]
mov dword [esp + 0x34], 1
call fcn.00401b80
push 9
push str.yxdownbox
lea ecx, [esp + 0x1c]
mov byte [esp + 0x38], 2
call fcn.00405540
mov eax, dword [esp + 0x38]
mov eax, dword [eax - 0xc]
xor ebx, ebx
cmp eax, ebx
je 0x41e201
push 1
push 0x47d414
lea ecx, [esp + 0x1c]
call fcn.00405540
mov eax, dword [esp + 0x38]
mov ecx, dword [eax - 0xc]
push ecx
push eax
lea ecx, [esp + 0x1c]
call fcn.00405540
mov edx, dword [esp + 0x14]
mov edi, dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
lea ecx, [esp + 0x18]
push ecx
push 0xf003f
push ebx
push edx
push SysReAllocString
xor esi, esi
mov dword [esp + 0x2c], ebx
call edi
mov ebp, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp eax, ebx
jne 0x41e234
mov esi, dword [esp + 0x18]
jmp 0x41e29c
mov edx, dword [esp + 0x14]
lea eax, [esp + 0x24]
push eax
lea ecx, [esp + 0x20]
push ecx
push ebx
push 0x2001f
push ebx
push ebx
push ebx
push edx
push SysReAllocString
mov dword [esp + 0x40], ebx
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
cmp eax, ebx
jne 0x41e26c
mov esi, dword [esp + 0x1c]
cmp esi, ebx
je 0x41e26c
push esi
call ebp
xor esi, esi
mov ecx, dword [esp + 0x14]
lea eax, [esp + 0x20]
push eax
push 0xf003f
push ebx
push ecx
push SysReAllocString
mov dword [esp + 0x34], ebx
call edi
cmp eax, ebx
jne 0x41e2ba
xor eax, eax
cmp esi, ebx
je 0x41e294
push esi
call ebp
mov esi, dword [esp + 0x20]
cmp eax, ebx
jne 0x41e2ba
mov ecx, dword [esp + 0x3c]
mov edx, dword [esp + 0x40]
push 4
lea eax, [esp + 0x44]
push eax
push 4
push ebx
push ecx
push esi
mov dword [esp + 0x58], edx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
cmp esi, ebx
je 0x41e2c1
push esi
call ebp
mov byte [esp + 0x30], 1
mov eax, dword [esp + 0x14]
add eax, 0xfffffff0
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x41e2e6
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov byte [esp + 0x30], bl
mov eax, dword [esp + 0x38]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x41e30a
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov dword [esp + 0x30], 0xffffffff
mov eax, dword [esp + 0x3c]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x41e332
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ecx, dword [esp + 0x28]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret 0xc
Function at 0x4200b0
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg
Hash data with crc32
Write file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push esi
mov esi, ecx
cmp byte [esi + 0x2d], 0
push edi
mov edi, dword [esp + 0x14]
mov eax, ebx
je 0x42018b
mov eax, dword [esi + 0x3c]
push ebp
xor ebp, ebp
cmp eax, ebp
je 0x4200e4
cmp dword [esi + 0x40], edi
jae 0x4200e4
push eax
call fcn.00439598
add esp, 4
mov dword [esi + 0x3c], ebp
cmp dword [esi + 0x3c], ebp
jne 0x4200fb
lea eax, [edi + edi]
push eax
call fcn.0043958d
add esp, 4
mov dword [esi + 0x3c], eax
mov dword [esi + 0x40], edi
mov ecx, dword [esi + 0x3c]
push edi
push ebx
push ecx
call fcn.0045e1b0
add esp, 0xc
cmp edi, ebp
jbe 0x420187
lea ecx, [ecx]
mov edx, dword [esi + 0x3c]
mov bl, byte [edx + ebp]
mov edi, dword [esi + 0x30]
mov eax, dword [esi + 0x38]
movsx ecx, bl
xor ecx, edi
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x47e770]
shr edi, 8
xor ecx, edi
mov dword [esi + 0x30], ecx
movzx ecx, cl
add ecx, dword [esi + 0x34]
mov edx, eax
imul ecx, ecx, 0x8088405
inc ecx
mov dword [esi + 0x34], ecx
shr ecx, 0x18
xor ecx, eax
shr eax, 8
and ecx, 0xff
xor eax, dword [ecx*4 + 0x47e770]
and edx, 0xfffd
mov dword [esi + 0x38], eax
mov ecx, dword [esi + 0x3c]
or edx, 2
mov eax, edx
xor eax, 1
imul eax, edx
shr eax, 8
xor al, bl
mov byte [ecx + ebp], al
inc ebp
cmp ebp, dword [esp + 0x18]
jb 0x420110
mov edi, dword [esp + 0x18]
mov eax, dword [esi + 0x3c]
pop ebp
mov edx, dword [esi + 0x20]
test edx, edx
je 0x4201c4
mov ecx, dword [esi + 0x24]
lea ebx, [ecx + edi]
cmp ebx, dword [esi + 0x28]
jb 0x4201ac
pop edi
mov dword [esi + 0x14], 0x30000
pop esi
xor eax, eax
pop ebx
ret 8
push edi
push eax
add ecx, edx
push ecx
call fcn.0045e1b0
add esp, 0xc
add dword [esi + 0x24], edi
mov eax, edi
pop edi
pop esi
pop ebx
ret 8
mov ecx, dword [esi + 4]
test ecx, ecx
je 0x4201e5
push 0
lea edx, [esp + 0x18]
push edx
push edi
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [esp + 0x14]
pop edi
pop esi
pop ebx
ret 8
pop edi
mov dword [esi + 0x14], 0x1000000
pop esi
xor eax, eax
pop ebx
ret 8
Function at 0x423160
Capabilities:
Parse url

Disassembly:
mov eax, 0x2f28
call fcn.00459b60
mov eax, dword [0x48f900]
xor eax, esp
mov dword [esp + 0x2f24], eax
cmp dword [ecx + 0x18], 8
mov eax, dword [esp + 0x2f34]
mov dword [esp + 4], eax
lea eax, [esp + 0xfe4]
mov dword [esp], edx
mov dword [esp + 0xc], eax
lea edx, [esp + 0x44]
lea eax, [esp + 0x1f84]
mov dword [esp + 0x18], edx
mov dword [esp + 0x24], eax
lea edx, [esp + 0x814]
lea eax, [esp + 0x17b4]
push ebp
mov ebp, dword [esp + 0x2f34]
mov dword [esp + 0x30], edx
mov dword [esp + 0x38], eax
mov eax, 0x3e8
lea edx, [esp + 0x2758]
push esi
mov esi, dword [esp + 0x2f34]
mov dword [esp + 0x10], 0x3c
mov dword [esp + 0x44], edx
mov dword [esp + 0x18], eax
mov dword [esp + 0x24], eax
mov dword [esp + 0x30], eax
mov dword [esp + 0x38], eax
mov dword [esp + 0x40], eax
mov dword [esp + 0x48], eax
jb 0x423205
mov ecx, dword [ecx + 4]
jmp 0x423208
add ecx, 4
push ebx
lea eax, [esp + 0x14]
push eax
push 0
push 0
push ecx
call dword [sym.imp.WININET.dll_InternetCrackUrlW]
mov eax, dword [esp + 0x24]
mov ecx, eax
lea ebx, [ecx + 2]
mov dx, word [ecx]
add ecx, 2
test dx, dx
jne 0x423222
sub ecx, ebx
sar ecx, 1
push ecx
call fcn.00405430
mov cx, word [esp + 0x2c]
mov eax, dword [esp + 0x40]
mov word [edi], cx
mov ecx, eax
lea esi, [ecx + 2]
pop ebx
lea esp, [esp]
mov dx, word [ecx]
add ecx, 2
test dx, dx
jne 0x423250
sub ecx, esi
sar ecx, 1
push ecx
mov esi, ebp
call fcn.00405430
mov eax, dword [esp + 0x44]
mov ecx, eax
lea esi, [ecx + 2]
mov dx, word [ecx]
add ecx, 2
test dx, dx
jne 0x423270
sub ecx, esi
mov esi, dword [esp + 0xc]
sar ecx, 1
push ecx
call fcn.00405430
mov ecx, dword [esp + 0x2f2c]
mov edx, dword [esp + 0x1c]
mov eax, dword [esp + 8]
pop esi
pop ebp
xor ecx, esp
mov dword [eax], edx
call fcn.00457861
add esp, 0x2f28
ret 0xc
Function at 0x42d3a0
Capabilities:
Check for peb beingdebugged flag

Disassembly:
push 0xffffffffffffffff
push 0x4730a8
mov eax, dword fs:[0]
push eax
sub esp, 0x20
push edi
mov eax, dword [0x48f900]
xor eax, esp
push eax
lea eax, [esp + 0x28]
mov dword fs:[0], eax
xor edi, edi
xor eax, eax
push 0xffffffffffffffff
mov word [esp + 0x14], ax
mov eax, dword [esp + 0x3c]
push edi
lea ecx, [esp + 0x14]
mov dword [esp + 0x10], edi
mov dword [esp + 0x2c], 7
mov dword [esp + 0x28], edi
call fcn.00405610
mov eax, ebx
mov dword [esp + 0x30], edi
lea edx, [eax + 2]
mov cx, word [eax]
add eax, 2
cmp cx, di
jne 0x42d3f6
sub eax, edx
sar eax, 1
push eax
mov eax, ebx
lea ecx, [esp + 0x10]
call fcn.0042d2c0
xor ecx, ecx
mov dword [esi + 0x18], 7
mov dword [esi + 0x14], edi
push 0xffffffffffffffff
mov word [esi + 4], cx
push edi
mov ecx, esi
call fcn.00405610
cmp dword [esp + 0x24], 8
jb 0x42d43f
mov edx, dword [esp + 0x10]
push edx
call fcn.00439598
add esp, 4
mov eax, esi
mov ecx, dword [esp + 0x28]
mov dword fs:[0], ecx
pop ecx
pop edi
add esp, 0x2c
ret

Function at 0x42d7a0
Capabilities:
Encode data using base64

Disassembly:
push esi
mov esi, edx
push edi
mov edi, eax
test esi, esi
je 0x42d8ab
test edi, edi
jle 0x42d8ab
cmp edi, 3
jl 0x42d845
mov eax, 0xaaaaaaab
mul edi
shr edx, 1
lea eax, [edx*4]
sub eax, edx
neg eax
add edi, eax
push ebx
jmp 0x42d7e0
movzx eax, byte [esi]
shr eax, 2
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], al
movzx eax, byte [esi]
movzx ebx, byte [esi + 1]
and eax, 3
shl eax, 4
shr ebx, 4
or eax, ebx
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx + 1], al
movzx eax, byte [esi + 1]
movzx ebx, byte [esi + 2]
inc ecx
and eax, 0xf
add eax, eax
add eax, eax
shr ebx, 6
or eax, ebx
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
inc ecx
mov byte [ecx], al
movzx eax, byte [esi + 2]
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
inc ecx
mov byte [ecx], al
inc ecx
add esi, 3
sub edx, 1
jne 0x42d7e0
pop ebx
test edi, edi
jle 0x42d8a3
movzx edx, byte [esi]
shr edx, 2
movzx eax, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], al
mov al, byte [esi]
and al, 3
inc ecx
shl al, 4
cmp edi, 1
jle 0x42d86d
mov dl, byte [esi + 1]
shr dl, 4
or al, dl
movzx eax, al
mov dl, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], dl
inc ecx
cmp edi, 2
jge 0x42d88e
mov al, 0x3d
mov byte [ecx], al
inc ecx
mov byte [ecx], al
inc ecx
pop edi
mov byte [ecx], 0
mov al, 1
pop esi
ret
movzx eax, byte [esi + 1]
and eax, 0xf
mov al, byte [eax*4 + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], al
inc ecx
mov byte [ecx], 0x3d
inc ecx
pop edi
mov byte [ecx], 0
mov al, 1
pop esi
ret
pop edi
xor al, al
pop esi
ret