joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b2690
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x5507a0]
xor eax, esp
mov dword [esp + 0x190], eax
push esi
mov esi, dword [esp + 0x19c]
lea eax, [esp + 4]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4b26ce
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004a1a80
add esp, 0xc
jmp 0x4b2709
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4b26fb
shr eax, 8
test al, al
jne 0x4b26fb
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004ce3d2
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004a1a80
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.004ce3d2
add esp, 0x194
ret

Function at 0x4b2fa0
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push edi
push 0
mov byte [esp + 0x16], al
lea eax, [esp + 0x14]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x198]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4b2fec
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004a1a80
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004b28b0
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4b3120
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
mov eax, dword [esp + 8]
push ebx
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebx, dword [eax + 0x130]
jne 0x4b326b
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4b3157
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b3162
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b316d
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [esp + 0x1c], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [esp + 0x1c]
movzx edx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x4b31a0
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b31aa
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b31b4
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b31be
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b31c9
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b31d4
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
mov esi, dword [esp + 0x10]
mov dword [ebx + 0x1eb4], eax
sub eax, ebp
sub eax, 2
mov dword [edi], ebp
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push esi
call fcn.004b29c0
mov edi, dword [esp + 0x28]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x198]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4b322a
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004a1a80
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004b3010
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x198]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4b3268
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004a1a80
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4b4190
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x5507a0]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
mov ebp, dword [esp + 0x94]
lea eax, [esp + 8]
push esi
push edi
push eax
mov esi, dword [ebp + 0x600]
lea eax, [esp + 0x18]
mov edi, dword [ebp]
push eax
mov dword [esp + 0x18], 0x80
mov eax, dword [esi + 0x154]
push 0
add eax, 4
push eax
push dword [esi + 0x15c]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x4b4216
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.004d81b0
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [esi + 0x148], eax
mov ebx, dword [esi + 0x14c]
cmp ebx, 4
jge 0x4b4251
push str.Received_too_short_packet
push edi
call fcn.004a1a80
add esp, 8
mov dword [esi + 0xc], 7
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004ce3d2
add esp, 0x88
ret
mov ecx, dword [esi + 0x15c]
movzx eax, byte [ecx]
shl ax, 8
movzx edx, ax
movzx eax, byte [ecx + 1]
or edx, eax
mov dword [esi + 0xc], edx
add edx, 0xfffffffd
cmp edx, 3
ja case.default.0x4b4276
jmp dword [edx*4 + 0x4b4378]
cmp ebx, 4
jle case.0x4b4276.4
movzx eax, byte [ecx + 2]
shl ax, 8
movzx edx, ax
movzx eax, byte [ecx + 3]
or edx, eax
movzx eax, word [esi + 0x40]
inc eax
and eax, 0xffff
cmp eax, edx
jne case.0x4b4276.4
lea eax, [ebx - 4]
push eax
lea eax, [ecx + 4]
push eax
push 1
push ebp
call fcn.004a1960
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4b42d4
push 5
push esi
call fcn.004b4ad0
add esp, 8
mov eax, ebx
jmp 0x4b4238
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [edi + 0x90], eax
adc dword [edi + 0x94], edx
push dword [edi + 0x94]
push dword [edi + 0x90]
push edi
call fcn.004abe40
jmp 0x4b434f
mov edx, ecx
movzx eax, byte [edx + 2]
shl ax, 8
movzx ecx, ax
movzx eax, byte [edx + 3]
or ecx, eax
lea eax, [edx + 4]
push eax
push 0x51be80
push edi
mov dword [esi + 8], ecx
call fcn.004a1ba0
jmp 0x4b434f
lea eax, [ebx - 2]
push eax
lea eax, [ecx + 2]
push eax
push esi
call fcn.004b3f20
add esp, 0xc
test eax, eax
je case.0x4b4276.4
jmp 0x4b4238
push str.Internal_error:_Unexpected_packet
push 0x5200ac
push edi
call fcn.004a1a80
add esp, 0xc
push ebp
call fcn.004ac1b0
add esp, 4
test eax, eax
je 0x4b4236
push 5
push esi
call fcn.004b4ad0
add esp, 8
mov eax, 0x2a
jmp 0x4b4238
Function at 0x4bcce0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x5507a0]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x98]
lea eax, [esp + 0xc]
push edi
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x80
mov ebp, dword [esi + 0x19c]
or edi, 0xffffffff
mov ebx, dword [esi]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4bcd42
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov edi, eax
push ebp
push esi
call fcn.004a2430
add esp, 8
cmp edi, 0xffffffff
jne 0x4bcd66
push str.Error_accept__ing_server_connect
push ebx
call fcn.004a1a80
add esp, 8
mov eax, 0x1e
jmp 0x4bcdbe
push str.Connection_accepted_from_server_n
push ebx
call fcn.004a1ba0
push 1
mov byte [esi + 0x388], 0
push edi
mov dword [esi + 0x19c], edi
call fcn.004c3670
mov byte [esi + 0x1a9], 1
add esp, 0x10
mov eax, dword [ebx + 0x1b8]
test eax, eax
je 0x4bcdbc
push 1
push edi
push dword [ebx + 0x1bc]
call eax
add esp, 0xc
test eax, eax
je 0x4bcdbc
push esi
call fcn.004bd270
add esp, 4
mov eax, 0x2a
jmp 0x4bcdbe
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004ce3d2
add esp, 0x88
ret

Function at 0x4bf340
Capabilities:
Check http status code

Disassembly:
mov ecx, dword [esp + 8]
mov eax, 0x51eb851f
imul ecx
push ebx
sar edx, 5
push esi
mov eax, edx
xor esi, esi
push edi
mov edi, dword [esp + 0x10]
shr eax, 0x1f
add eax, edx
mov ebx, dword [edi]
cmp eax, 2
je 0x4bf37a
push str.Couldnt_set_desired_mode
push ebx
call fcn.004a1a80
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebx
ret
cmp ecx, 0xc8
je 0x4bf391
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push ebx
call fcn.004a1ba0
add esp, 0xc
mov eax, dword [esp + 0x18]
cmp eax, 0x13
jne 0x4bf3a9
push edi
call fcn.004bf0c0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
ret
cmp eax, 0x14
jne 0x4bf3bd
push edi
call fcn.004be130
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
ret
cmp eax, 0x15
jne 0x4bf3d5
push 0xd
push 1
push edi
call fcn.004bec30
add esp, 0xc
mov esi, eax
pop edi
pop esi
pop ebx
ret
cmp eax, 0x16
jne 0x4bf3e9
push 0xe
push 1
push edi
call fcn.004bec30
add esp, 0xc
mov esi, eax
pop edi
mov eax, esi
pop esi
pop ebx
ret
Function at 0x4c0e60
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x5507a0]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.004dc242
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4c0ec5
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4c0ec5
lea eax, [esp]
push eax
call dword [0x550304]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004ce3d2
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor eax, eax
xor ecx, esp
call fcn.004ce3d2
add esp, 0x108
ret
Function at 0x4c4560
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov eax, dword [esi]
cmp dword [eax + 4], 3
jne 0x4c458b
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x4c457a
pop edi
xor eax, eax
pop esi
ret
push dword [eax + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call ecx
jmp 0x4c45c0
cmp dword [esi + 8], 0
jne 0x4c45ae
push 0x51c0f4
push dword [eax + 8]
call fcn.004d9dbd
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x4c45ae
pop edi
or eax, 0xffffffff
pop esi
ret
push dword [esi + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call fcn.004daa85
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x4c45e2
mov eax, dword [esi + 8]
test eax, eax
je 0x4c45dc
push eax
call fcn.004d5a2d
add esp, 4
mov dword [esi + 8], edi
mov eax, dword [esi]
mov eax, dword [eax]
mov dword [esi], eax
mov eax, edi
pop edi
pop esi
ret

Function at 0x4c7c80
Capabilities:
Hash data using md4
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
sub esp, 0xc
push ebx
mov ebx, dword [esp + 0x18]
push ebp
push esi
mov esi, ebx
push edi
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4c7c90
sub esi, ecx
lea ebp, [esi + esi]
push ebp
call dword [0x5502f8]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4c7cb7
lea eax, [edi + 0x1b]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
xor ecx, ecx
test esi, esi
je 0x4c7cd0
lea ecx, [ecx]
mov al, byte [ecx + ebx]
mov byte [edi + ecx*2], al
mov byte [edi + ecx*2 + 1], 0
inc ecx
cmp ecx, esi
jb 0x4c7cc0
push 0xf0000000
push 1
push 0
push 0
lea eax, [esp + 0x24]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
mov esi, dword [esp + 0x28]
test eax, eax
je 0x4c7d4a
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0x8002
push dword [esp + 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x4c7d3e
push 0
push ebp
push edi
push dword [esp + 0x1c]
mov dword [esp + 0x28], 0x10
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
push 0
lea eax, [esp + 0x1c]
push eax
push esi
push 2
push dword [esp + 0x20]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
push dword [esp + 0x10]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
push 0
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esi + 0x10], 0
push edi
mov byte [esi + 0x14], 0
call dword [0x5502fc]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
Function at 0x4c7d70
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0x24
mov eax, dword [0x5507a0]
xor eax, esp
mov dword [esp + 0x20], eax
push esi
mov esi, dword [esp + 0x30]
lea eax, [esp + 4]
push edi
mov edi, dword [esp + 0x38]
push 0xf0000000
push 1
push 0
push 0
push eax
mov dword [esp + 0x20], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x4c7e15
lea eax, [esp + 0x20]
mov dword [esp + 0x24], 0
push eax
xorps xmm0, xmm0
movdqu xmmword [esp + 0x18], xmm0
push edi
mov word [esp + 0x1c], 0x208
mov dword [esp + 0x20], 0x6601
mov dword [esp + 0x24], 8
call fcn.004c7e80
lea eax, [esp + 0x28]
push 8
push eax
call fcn.004cb250
add esp, 0x10
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0x14
lea eax, [esp + 0x24]
push eax
push dword [esp + 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x4c7e28
push eax
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop edi
xor al, al
pop esi
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.004ce3d2
add esp, 0x24
ret
mov ecx, dword [esp + 0x30]
push dword [esp + 0xc]
mov eax, dword [ecx]
mov dword [esi], eax
mov eax, dword [ecx + 4]
mov dword [esi + 4], eax
lea eax, [esp + 0x10]
push eax
push esi
push 0
push 0
push 0
push dword [esp + 0x28]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [esp + 0x10]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [esp + 0x28]
mov al, 1
pop edi
pop esi
xor ecx, esp
call fcn.004ce3d2
add esp, 0x24
ret
Function at 0x4cc960
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ecx
push esi
mov esi, dword [esp + 0xc]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x5502f8]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4cc987
pop edi
pop esi
pop ecx
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [esp + 0x1c]
mov dword [edi + 8], eax
push ebp
cmp ebx, dword [esi + 0x10]
jbe 0x4cc9cf
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [esp + 0x24]
push dword [edi + 4]
call eax
mov ebp, dword [edi + 8]
push dword [edi + 4]
add ebp, dword [esi + 0xc]
mov eax, dword [esi + 8]
push ebp
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov dword [esp + 0x20], ebx
jmp 0x4cc9d3
mov ebp, dword [esp + 0x1c]
push dword [edi + 4]
mov eax, dword [esi]
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [esp + 0x28]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4cca33
mov dword [esp + 0x10], eax
mov ebx, eax
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x18], al
lea eax, [esp + 0x18]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x24], al
lea eax, [esp + 0x24]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
dec ebx
jne 0x4cc9f4
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x4cca67
jmp 0x4cca40
mov eax, dword [esi + 4]
push 1
push 0x52497e
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x52497f
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4cca40
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret

Function at 0x4d3f6c
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret
Function at 0x4fa93e
Capabilities:
Link many functions at runtime
Print debug messages

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x5507a0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_EncodePointer]
push esi
push edi
mov dword [ebp - 0x1c], eax
xor esi, esi
mov eax, dword [ebp + 0xc]
push esi
mov dword [ebp - 0x20], eax
call ebx
mov edi, eax
mov dword [ebp - 0x18], edi
call fcn.004ddcae
mov dword [ebp - 0x14], eax
cmp dword [0x55bf28], esi
jne 0x4faa31
push 0x800
push esi
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
mov edi, eax
test edi, edi
jne 0x4fa9be
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x57
jne 0x4fab11
push esi
push esi
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
mov edi, eax
test edi, edi
je 0x4fab11
push 0x52ef40
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4fab11
push eax
call ebx
push 0x52ef4c
push edi
mov dword [0x55bf28], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
push str.GetLastActivePopup
push edi
mov dword [0x55bf2c], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
push str.GetUserObjectInformationW
push edi
mov dword [0x55bf30], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
mov dword [0x55bf38], eax
test eax, eax
je 0x4faa2e
push str.GetProcessWindowStation
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
mov dword [0x55bf34], eax
mov edi, dword [ebp - 0x18]
call dword [sym.imp.KERNEL32.dll_IsDebuggerPresent]
test eax, eax
je 0x4faa56
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x4faa49
push eax
call dword [sym.imp.KERNEL32.dll_OutputDebugStringW]
cmp dword [ebp - 0x14], esi
je 0x4faa6b
push 4
pop eax
jmp 0x4fab13
cmp dword [ebp - 0x14], esi
je 0x4faa6b
push dword [0x55bf28]
call dword [sym.imp.KERNEL32.dll_DecodePointer]
push 3
jmp 0x4faa50
mov eax, dword [0x55bf34]
mov ebx, dword [sym.imp.KERNEL32.dll_DecodePointer]
cmp eax, edi
je 0x4faac9
cmp dword [0x55bf38], edi
je 0x4faac9
push eax
call ebx
push dword [0x55bf38]
mov dword [ebp - 0x14], eax
call ebx
mov ecx, dword [ebp - 0x14]
mov dword [ebp - 0x18], eax
test ecx, ecx
je 0x4faac9
test eax, eax
je 0x4faac9
call ecx
test eax, eax
je 0x4faabe
lea ecx, [ebp - 0x24]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call dword [ebp - 0x18]
test eax, eax
je 0x4faabe
test byte [ebp - 8], 1
jne 0x4faac9
mov edi, dword [ebp + 0x10]
or edi, 0x200000
jmp 0x4faaf9
mov eax, dword [0x55bf2c]
cmp eax, edi
je 0x4faaf6
push eax
call ebx
test eax, eax
je 0x4faaf6
call eax
mov esi, eax
test esi, esi
je 0x4faaf6
mov eax, dword [0x55bf30]
cmp eax, edi
je 0x4faaf6
push eax
call ebx
test eax, eax
je 0x4faaf6
push esi
call eax
mov esi, eax
mov edi, dword [ebp + 0x10]
push dword [0x55bf28]
call ebx
test eax, eax
je 0x4fab11
push edi
push dword [ebp - 0x20]
push dword [ebp - 0x1c]
push esi
call eax
jmp 0x4fab13
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004ce3d2
mov esp, ebp
pop ebp
ret
Function at 0x40b4cb
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
xor eax, eax
mov edx, eax
push esi
mov esi, dword [ebp + 8]
and ecx, 0xfffffffc
jbe 0x40b50f
rol eax, 5
xor eax, dword [edx + esi]
add edx, 4
imul eax, eax, 0x9e3779b9
rol eax, 5
xor eax, 4
imul eax, eax, 0x9e3779b9
cmp edx, ecx
jb 0x40b4de
jmp 0x40b50f
movsx ecx, byte [edx + esi]
rol eax, 5
xor eax, ecx
imul eax, eax, 0x9e3779b9
inc edx
cmp edx, dword [ebp + 0xc]
jb 0x40b4ff
pop esi
pop ebp
ret

Function at 0x40c2a9
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
push 1
lea esi, [ebx - 1]
push 0x2000
not esi
push ebx
and esi, 0xf0deafff
push esi
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov edi, eax
cmp edi, esi
jne 0x40c2de
mov eax, esi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
cmp esi, dword [ebp - 0x18]
jb 0x40c308
lea eax, [esi + ebx]
cmp eax, dword [ebp - 0x18]
jb 0x40c308
test edi, edi
je 0x40c2d5
push 0x8000
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_VirtualFree]
jmp 0x40c2d5
test edi, edi
je 0x40c310
mov eax, edi
jmp 0x40c2d7
push 1
push 0x2000
push ebx
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
test eax, eax
jne 0x40c2d7
mov esi, 0xc3
push esi
push str.c:_builds_moz2_slave_m_in_w32_d_0000000000000000000_build_src_mfbt_Poison.cpp
push str.no_usable_poison_region_identified
call fcn.0040f734
add esp, 0xc
int3
Function at 0x40f768
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
lea eax, [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov eax, dword [ebp - 8]
push eax
mov dword [sym.TestBinarySearch.exe_gMozillaPoisonSize], eax
call fcn.0040c2a9
pop ecx
mov ecx, dword [sym.TestBinarySearch.exe_gMozillaPoisonSize]
mov dword [sym.TestBinarySearch.exe_gMozillaPoisonBase], eax
test ecx, ecx
je 0x40f7a0
shr ecx, 1
dec ecx
add eax, ecx
mov dword [sym.TestBinarySearch.exe_gMozillaPoisonValue], eax
mov esp, ebp
pop ebp
ret

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x4011a4
Capabilities:
Check for peb beingdebugged flag

Disassembly:
jmp 0x40ec70
push 0xffffffffffffffff
push 0x588b60
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
push ebx
push ebp
xor eax, eax
push esi
push edi
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], 0x59e6d8
mov ecx, dword [esp + 0x3c]
mov dword [esp + 0x28], eax
push ecx
push eax
push eax
call dword [sym.imp.GDI32.dll_CreatePen]
push eax
lea ecx, [esp + 0x14]
call sub.MFC42.DLL_CGdiObject::Attach
mov esi, dword [esp + 0x30]
lea edx, [esp + 0x10]
push edx
mov ecx, esi
call sub.MFC42.DLL_CDC::SelectObject_3
mov edi, dword [esp + 0x38]
mov ebx, dword [esp + 0x34]
mov dword [esp + 0x3c], eax
mov ecx, esi
lea eax, [edi + 2]
push eax
lea eax, [esp + 0x1c]
push ebx
push eax
call sub.MFC42.DLL_CDC::MoveTo
lea eax, [edi + 5]
mov ecx, esi
push eax
push ebx
call sub.MFC42.DLL_CDC::LineTo
lea ebp, [edi + 3]
lea eax, [ebx + 1]
push ebp
lea ecx, [esp + 0x1c]
push eax
push ecx
mov ecx, esi
call sub.MFC42.DLL_CDC::MoveTo
lea eax, [edi + 6]
mov ecx, esi
push eax
lea eax, [ebx + 1]
push eax
call sub.MFC42.DLL_CDC::LineTo
lea eax, [edi + 4]
lea ecx, [ebx + 2]
push eax
lea edx, [esp + 0x1c]
push ecx
push edx
mov ecx, esi
call sub.MFC42.DLL_CDC::MoveTo
lea eax, [edi + 7]
mov ecx, esi
push eax
lea eax, [ebx + 2]
push eax
call sub.MFC42.DLL_CDC::LineTo
lea eax, [ebx + 3]
push ebp
lea ecx, [esp + 0x1c]
push eax
push ecx
mov ecx, esi
call sub.MFC42.DLL_CDC::MoveTo
lea eax, [edi + 6]
mov ecx, esi
push eax
lea eax, [ebx + 3]
push eax
call sub.MFC42.DLL_CDC::LineTo
lea eax, [edi + 2]
lea ecx, [ebx + 4]
push eax
lea edx, [esp + 0x1c]
push ecx
push edx
mov ecx, esi
call sub.MFC42.DLL_CDC::MoveTo
lea eax, [edi + 5]
mov ecx, esi
push eax
lea eax, [ebx + 4]
push eax
call sub.MFC42.DLL_CDC::LineTo
lea ecx, [edi + 1]
lea eax, [ebx + 5]
push ecx
lea edx, [esp + 0x1c]
push eax
push edx
mov ecx, esi
call sub.MFC42.DLL_CDC::MoveTo
lea eax, [edi + 4]
mov ecx, esi
push eax
lea eax, [ebx + 5]
push eax
call sub.MFC42.DLL_CDC::LineTo
add ebx, 6
push edi
lea eax, [esp + 0x1c]
push ebx
push eax
mov ecx, esi
call sub.MFC42.DLL_CDC::MoveTo
push ebp
push ebx
mov ecx, esi
call sub.MFC42.DLL_CDC::LineTo
mov ecx, dword [esp + 0x3c]
push ecx
mov ecx, esi
call sub.MFC42.DLL_CDC::SelectObject_3
lea ecx, [esp + 0x10]
call sub.MFC42.DLL_CGdiObject::DeleteObject
mov dword [esp + 0x10], 0x59e6a8
lea ecx, [esp + 0x10]
mov dword [esp + 0x28], 1
call sub.MFC42.DLL_CGdiObject::DeleteObject
mov ecx, dword [esp + 0x20]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x1c
ret 0x10