joyce8/EMBER2024-capa huggingface dataset:
Function at 0x14000cca0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push rbx
sub rsp, 0x20
mov rbx, rcx
test rcx, rcx
je 0x14000cd82
call fcn.1400291b0
test al, al
jne 0x14000cd82
mov qword [rsp + 0x30], rsi
xor esi, esi
mov qword [rsp + 0x38], rdi
mov rdi, 0xffffffffffffffff
inc rdi
cmp byte [rbx + rdi], sil
jne 0x14000ccd2
mov r8, rdi
mov edx, reloc.WLDAP32.dll_Ordinal_46
mov rcx, rbx
call fcn.140032e90
test rax, rax
je 0x14000cd17
sub rax, rbx
mov edx, reloc.WLDAP32.dll_Ordinal_46
mov r8, rax
mov rcx, rbx
call fcn.140032e90
mov rsi, rax
test rax, rax
je 0x14000cd17
inc rsi
mov rcx, rbx
sub rcx, rsi
add rdi, rcx
test rsi, rsi
cmovne rbx, rsi
lea rsi, [rbx + rdi]
mov edi, 0x1505
cmp rbx, rsi
jae 0x14000cd4b
nop dword [rax]
movzx ecx, byte [rbx]
call fcn.1400237b0
imul rdi, rdi, 0x21
movsx rcx, al
inc rbx
xor rdi, rcx
cmp rbx, rsi
jb 0x14000cd30
mov rsi, qword [rsp + 0x30]
mov rcx, rdi
movabs rax, 0x410410410410411
mul rdi
sub rcx, rdx
shr rcx, 1
add rcx, rdx
shr rcx, 5
imul rcx, rcx, 0x3f
sub rdi, rcx
mov rax, rdi
mov rdi, qword [rsp + 0x38]
add rsp, 0x20
pop rbx
ret
xor eax, eax
add rsp, 0x20
pop rbx
ret
Function at 0x14001b700
Capabilities:
Write file on windows

Disassembly:
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push r14
sub rsp, 0x30
cmp byte [rcx + 0xa5e], 0
mov rbp, r9
mov r14, r8
movsxd rsi, edx
mov rdi, rcx
je 0x14001b7cd
cmp qword [rcx + 0x270], 0
je 0x14001b77e
mov qword [rsp + 0x40], rbx
call fcn.140007140
mov dl, 1
mov rcx, rdi
movzx ebx, al
call fcn.140007790
mov rcx, qword [rdi + 0x1e8]
mov r9, rbp
mov qword [rsp + 0x20], rcx
mov r8, r14
mov rcx, rdi
mov edx, esi
call qword [rdi + 0x270]
movzx edx, bl
mov rcx, rdi
call fcn.140007790
mov rbx, qword [rsp + 0x40]
jmp 0x14001b7cd
mov ecx, esi
test edx, edx
je 0x14001b78e
sub ecx, 1
je 0x14001b78e
cmp ecx, 1
jne 0x14001b7cd
mov r9, qword [rdi + 0x1e0]
lea rax, [0x14006b930]
lea rcx, [rsi + rsi*2]
mov edx, 2
add rcx, rax
mov r8d, 1
call qword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
mov r9, qword [rdi + 0x1e0]
mov r8d, 1
mov rdx, rbp
mov rcx, r14
call qword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
mov rbp, qword [rsp + 0x48]
mov rsi, qword [rsp + 0x50]
mov rdi, qword [rsp + 0x58]
add rsp, 0x30
pop r14
ret

Function at 0x14001f920
Capabilities:
Read file on windows

Disassembly:
sub rsp, 0x28
call qword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll__read]
cdqe
add rsp, 0x28
ret
Function at 0x14001fc30
Capabilities:
Get common file path

Disassembly:
push rbx
push rbp
push rdi
sub rsp, 0x20
mov rbx, rcx
xor ebp, ebp
lea rcx, str.kernel32
call qword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov rdi, rax
test rax, rax
jne 0x14001fc5a
add rsp, 0x20
pop rdi
pop rbp
pop rbx
ret
lea rdx, str.LoadLibraryExA
mov qword [rsp + 0x48], r14
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_GetProcAddress]
lea rdx, [0x14006c480]
mov rcx, rbx
mov r14, rax
call qword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strpbrk]
test rax, rax
je 0x14001fcbc
mov rcx, rbx
test r14, r14
je 0x14001fca9
xor edx, edx
mov r8d, 8
mov rax, r14
mov r14, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
pop rbp
pop rbx
jmp rax
mov r14, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
pop rbp
pop rbx
jmp qword [sym.imp.KERNEL32.dll_LoadLibraryA]
test r14, r14
je 0x14001fcf3
lea rdx, str.AddDllDirectory
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_GetProcAddress]
test rax, rax
je 0x14001fcf3
xor edx, edx
mov r8d, 0x800
mov rcx, rbx
mov rax, r14
mov r14, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
pop rbp
pop rbx
jmp rax
xor edx, edx
mov qword [rsp + 0x50], r15
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov r15d, eax
test eax, eax
je 0x14001fdba
mov rdi, 0xffffffffffffffff
mov qword [rsp + 0x40], rsi
mov rdx, rdi
nop dword [rax]
inc rdx
cmp byte [rbx + rdx], bpl
jne 0x14001fd20
lea ecx, [rax + 1]
add rcx, rdx
call qword [section..data]
mov rsi, rax
test rax, rax
je 0x14001fdac
mov edx, r15d
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x14001fdac
mov rax, rdi
cmp byte [rsi + rax + 1], bpl
lea rax, [rax + 1]
jne 0x14001fd50
mov word [rax + rsi], 0x5c
inc rdi
cmp byte [rsi + rdi], bpl
jne 0x14001fd61
mov rax, rsi
sub rax, rbx
add rdi, rax
nop dword [rax]
nop word [rax + rax]
movzx eax, byte [rbx]
mov byte [rdi + rbx], al
lea rbx, [rbx + 1]
test al, al
jne 0x14001fd80
mov rcx, rsi
test r14, r14
je 0x14001fda3
xor edx, edx
mov r8d, 8
call r14
jmp 0x14001fda9
call qword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov rbp, rax
mov rcx, rsi
call qword [fcn.14006611a]
mov rsi, qword [rsp + 0x40]
mov r15, qword [rsp + 0x50]
mov rax, rbp
mov r14, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
pop rbp
pop rbx
ret
Function at 0x140025150
Capabilities:
Set socket configuration

Disassembly:
push rbx
sub rsp, 0x30
mov eax, dword [0x140081a88]
mov rbx, rcx
mov dword [rsp + 0x50], 0x4020
mov dword [rsp + 0x48], 0
mov dword [rsp + 0x58], 4
test eax, eax
jne 0x1400251b8
mov r9d, 2
mov dword [rsp + 0x20], 3
xor r8d, r8d
xor edx, edx
mov ecx, 6
call fcn.140057ee0
test al, al
je 0x1400251ac
mov dword [0x140081a88], 2
add rsp, 0x30
pop rbx
ret
mov dword [0x140081a88], 1
jmp 0x1400251bd
cmp eax, 2
je 0x14002520f
lea rax, [rsp + 0x58]
mov edx, 0xffff
lea r9, [rsp + 0x48]
mov qword [rsp + 0x20], rax
mov r8d, 0x1001
mov rcx, rbx
call qword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x1400251ee
mov eax, dword [rsp + 0x50]
cmp dword [rsp + 0x48], eax
jg 0x14002520f
lea r9, [rsp + 0x50]
mov dword [rsp + 0x20], 4
mov edx, 0xffff
mov r8d, 0x1001
mov rcx, rbx
call qword [sym.imp.WS2_32.dll_setsockopt]
add rsp, 0x30
pop rbx
ret
Function at 0x140025e30
Capabilities:
Receive data
Receive data on socket

Disassembly:
push rbx
push rbp
push rsi
push rdi
push r14
sub rsp, 0x150
mov rax, qword [0x140081840]
xor rax, rsp
mov qword [rsp + 0x140], rax
mov rax, qword [rcx]
mov rsi, r9
mov rdi, rcx
mov rbp, r8
mov r14, qword [rax + 0x10]
mov dword [r9], 0
xor r9d, r9d
mov rcx, qword [r14 + 0x98]
call qword [sym.imp.WS2_32.dll_recv]
movsxd rbx, eax
cmp rbx, 0xffffffffffffffff
jne 0x140025ed3
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebx, eax
cmp eax, 0x2733
jne 0x140025e97
mov dword [rsi], 0x51
jmp 0x140025ecc
mov r8d, 0x100
lea rdx, [rsp + 0x40]
mov ecx, ebx
call fcn.140003170
mov rcx, qword [rdi + 8]
lea rdx, str.Recv_failure:__s
mov r8, rax
call fcn.14001b7f0
mov rax, qword [rdi + 8]
mov dword [rax + 0xc9c], ebx
mov dword [rsi], gethostname
mov rbx, 0xffffffffffffffff
mov edx, dword [rsi]
lea r8, str.nw_in_read_len_zu__fd_qd______d__err_d
mov rcx, qword [rdi + 8]
mov r9, rbp
mov dword [rsp + 0x30], edx
mov rdx, qword [r14 + 0x98]
mov dword [rsp + 0x28], ebx
mov qword [rsp + 0x20], rdx
mov rdx, qword [rdi]
call fcn.14001b930
mov rax, rbx
mov rcx, qword [rsp + 0x140]
xor rcx, rsp
call fcn.140065140
add rsp, 0x150
pop r14
pop rdi
pop rsi
pop rbp
pop rbx
ret

Function at 0x140025f20
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
mov qword [rsp + 0x20], rbx
push rsi
sub rsp, 0x1c0
mov rax, qword [0x140081840]
xor rax, rsp
mov qword [rsp + 0x1b0], rax
mov rbx, qword [rcx + 0x10]
mov rsi, rdx
mov r9, qword [rbx + 0x98]
cmp r9, 0xffffffffffffffff
je 0x140026070
mov rax, qword [rdx + 0x20]
mov rcx, qword [rax + 0x388]
test dword [rcx + 0x8c], 0x800
jne 0x140026070
xorps xmm0, xmm0
mov dword [rsp + 0x20], 0x80
lea r8, [rsp + 0x20]
mov rcx, r9
lea rdx, [rsp + 0x30]
movups xmmword [rsp + 0x30], xmm0
movups xmmword [rsp + 0x40], xmm0
movups xmmword [rsp + 0x50], xmm0
movups xmmword [rsp + 0x60], xmm0
movups xmmword [rsp + 0x70], xmm0
movups xmmword [rsp + 0x80], xmm0
movups xmmword [rsp + 0x90], xmm0
movups xmmword [rsp + 0xa0], xmm0
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x140025ffe
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rsp + 0xb0]
mov ecx, eax
mov ebx, eax
call fcn.140003170
mov r9, rax
lea rdx, str.getsockname___failed_with_errno__d:__s
mov r8d, ebx
mov rcx, rsi
call fcn.14001b7f0
mov eax, 2
jmp 0x140026072
mov edx, dword [rsp + 0x20]
lea r9, [rbx + 0x140]
lea r8, [rbx + 0x10e]
lea rcx, [rsp + 0x30]
call fcn.14001e1d0
test al, al
jne 0x140026070
mov qword [rsp + 0x1e0], rdi
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__errno]
mov ebx, dword [rax]
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__errno]
mov r8d, 0x100
lea rdx, [rsp + 0xb0]
mov ecx, ebx
mov rdi, rax
call fcn.140003170
mov r8d, dword [rdi]
lea rdx, str.ssloc_inet_ntop___failed_with_errno__d:__s
mov r9, rax
mov rcx, rsi
call fcn.14001b7f0
mov rdi, qword [rsp + 0x1e0]
mov eax, 2
jmp 0x140026072
xor eax, eax
mov rcx, qword [rsp + 0x1b0]
xor rcx, rsp
call fcn.140065140
mov rbx, qword [rsp + 0x1e8]
add rsp, 0x1c0
pop rsi
ret
Function at 0x140033640
Capabilities:
Move file

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
push rdi
sub rsp, 0x60
mov rbx, rcx
movaps xmmword [rsp + 0x50], xmm6
lea rcx, [rsp + 0x30]
mov rdi, rdx
call fcn.14000d090
mov rcx, rbx
movups xmm6, xmmword [rax]
call qword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__strdup]
mov rcx, rdi
mov rsi, rax
call qword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__strdup]
mov r8d, 1
mov rcx, rsi
mov rdx, rax
mov rbx, rax
call qword [sym.imp.KERNEL32.dll_MoveFileExA]
test eax, eax
jne 0x1400336f0
nop word [rax + rax]
lea rcx, [rsp + 0x40]
movdqa xmmword [rsp + 0x20], xmm6
call fcn.14000d090
lea rdx, [rsp + 0x20]
lea rcx, [rsp + 0x30]
movups xmm0, xmmword [rax]
movaps xmmword [rsp + 0x30], xmm0
call fcn.14000d120
cmp rax, 0x3e8
ja 0x140033723
mov ecx, 1
call qword [sym.imp.KERNEL32.dll_Sleep]
mov r8d, 1
mov rdx, rbx
mov rcx, rsi
call qword [sym.imp.KERNEL32.dll_MoveFileExA]
test eax, eax
je 0x1400336a0
test rsi, rsi
je 0x1400336fe
mov rcx, rsi
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
test rbx, rbx
je 0x14003370c
mov rcx, rbx
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
xor eax, eax
mov rbx, qword [rsp + 0x70]
mov rsi, qword [rsp + 0x78]
movaps xmm6, xmmword [rsp + 0x50]
add rsp, 0x60
pop rdi
ret
test rsi, rsi
je 0x140033731
mov rcx, rsi
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
test rbx, rbx
je 0x14003373f
mov rcx, rbx
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov eax, 1
jmp 0x14003370e
Function at 0x140033ce0
Capabilities:
Resolve dns

Disassembly:
push rbp
push rdi
push r12
push r13
sub rsp, 0x28
mov r13, r9
xor edi, edi
mov qword [r9], rdi
xor ebp, ebp
lea r9, [rsp + 0x68]
call qword [sym.imp.WS2_32.dll_getaddrinfo]
mov r12d, eax
test eax, eax
jne 0x140033e7f
mov qword [rsp + 0x50], rbx
mov qword [rsp + 0x58], rsi
mov rsi, qword [rsp + 0x68]
test rsi, rsi
je 0x140033e5f
mov qword [rsp + 0x60], r14
mov qword [rsp + 0x20], r15
nop dword [rax]
mov rax, qword [rsi + 0x18]
test rax, rax
je 0x140033d4e
mov rbx, 0xffffffffffffffff
inc rbx
cmp byte [rax + rbx], 0
jne 0x140033d40
inc rbx
jmp 0x140033d50
xor ebx, ebx
mov eax, dword [rsi + 4]
cmp eax, 2
jne 0x140033d60
mov r15d, reloc.WS2_32.dll_recv
jmp 0x140033d6f
cmp eax, 0x17
jne 0x140033e08
mov r15d, Ordinal_33
cmp qword [rsi + 0x20], 0
je 0x140033e08
mov rax, qword [rsi + 0x10]
test rax, rax
je 0x140033e08
cmp rax, r15
jb 0x140033e08
lea rcx, [rbx + 0x30]
add rcx, r15
call qword [section..data]
mov r14, rax
test rax, rax
je 0x140033e17
mov ecx, dword [rsi]
mov r8, r15
mov dword [rax], ecx
mov ecx, dword [rsi + 4]
mov dword [rax + 4], ecx
mov ecx, dword [rsi + 8]
mov dword [rax + 8], ecx
mov ecx, dword [rsi + 0xc]
mov dword [rax + 0xc], ecx
lea rcx, [r14 + 0x30]
mov dword [rax + 0x10], r15d
xor eax, eax
mov qword [r14 + 0x18], rax
mov qword [r14 + 0x28], rax
mov qword [r14 + 0x20], rcx
mov rdx, qword [rsi + 0x20]
call sub.VCRUNTIME140.dll_memcpy
test rbx, rbx
je 0x140033df5
mov rcx, qword [r14 + 0x20]
mov r8, rbx
add rcx, r15
mov qword [r14 + 0x18], rcx
mov rdx, qword [rsi + 0x18]
call sub.VCRUNTIME140.dll_memcpy
test rdi, rdi
cmove rdi, r14
test rbp, rbp
je 0x140033e05
mov qword [rbp + 0x28], r14
mov rbp, r14
mov rsi, qword [rsi + 0x28]
test rsi, rsi
jne 0x140033d30
jmp 0x140033e1d
mov r12d, 8
mov rcx, qword [rsp + 0x68]
mov r15, qword [rsp + 0x20]
mov r14, qword [rsp + 0x60]
test rcx, rcx
je 0x140033e37
call qword [sym.imp.WS2_32.dll_freeaddrinfo]
test r12d, r12d
je 0x140033e5a
test rdi, rdi
je 0x140033e56
mov rbx, qword [rdi + 0x28]
mov rcx, rdi
call qword [fcn.14006611a]
mov rdi, rbx
test rbx, rbx
jne 0x140033e41
xor edi, edi
jmp 0x140033e6e
test rdi, rdi
jne 0x140033e6e
mov r12d, 0x2af9
mov ecx, r12d
call qword [sym.imp.WS2_32.dll_WSASetLastError]
mov rsi, qword [rsp + 0x58]
mov eax, r12d
mov rbx, qword [rsp + 0x50]
mov qword [r13], rdi
add rsp, 0x28
pop r13
pop r12
pop rdi
pop rbp
ret

Function at 0x1400342f0
Capabilities:
Create thread

Disassembly:
push rbx
sub rsp, 0x30
xor ebx, ebx
mov r9, rdx
mov r8, rcx
mov qword [rsp + 0x28], rbx
xor edx, edx
mov dword [rsp + 0x20], ebx
xor ecx, ecx
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
test rax, rax
je 0x140034327
cmp rax, 0xffffffffffffffff
cmovne rbx, rax
mov rax, rbx
add rsp, 0x30
pop rbx
ret
add rsp, 0x30
pop rbx
ret
Function at 0x140034c70
Capabilities:
Generate random numbers via winapi

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
push rsi
push rdi
push r14
sub rsp, 0x20
mov rbx, rdx
mov edx, Ordinal_46
mov rsi, r8
mov rbp, rcx
test r8, r8
je 0x140034d3c
xor r14d, r14d
nop dword [rax]
mov edi, 4
lea rdx, [rsp + 0x50]
cmp rsi, rdi
mov r8d, 4
mov rcx, rbp
cmovb rdi, rsi
call fcn.140015140
mov edx, eax
cmp eax, 4
jne 0x140034cf0
cmp byte [0x140081a90], r14b
jne 0x140034cfa
mov r9d, 2
mov dword [rsp + 0x50], r14d
mov r8d, eax
lea rdx, [rsp + 0x50]
xor ecx, ecx
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb edx, edx
and edx, 2
test edx, edx
jne 0x140034d3c
mov eax, dword [rsp + 0x50]
jmp 0x140034d19
imul eax, dword [0x140081a8c], 0x41c64e6d
mov edx, r14d
add eax, 0x3039
mov dword [0x140081a8c], eax
ror eax, 0x10
mov dword [rsp + 0x50], eax
test rdi, rdi
je 0x140034d33
sub rsi, rdi
mov byte [rbx], al
inc rbx
shr eax, 8
sub rdi, 1
jne 0x140034d21
mov dword [rsp + 0x50], eax
test rsi, rsi
jne 0x140034ca0
mov rbx, qword [rsp + 0x40]
mov eax, edx
mov rbp, qword [rsp + 0x48]
add rsp, 0x20
pop r14
pop rdi
pop rsi
ret

Function at 0x140034d60
Capabilities:
Generate random numbers via winapi

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
push rsi
push rdi
push r14
sub rsp, 0x20
mov rdi, r8
mov rsi, rdx
mov rbx, rcx
sub rdi, 1
je 0x140034e28
xor ebp, ebp
lea r14, str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789
nop
mov r8d, 4
lea rdx, [rsp + 0x50]
mov rcx, rbx
call fcn.140015140
cmp eax, 4
jne 0x140034dd1
cmp byte [0x140081a90], bpl
jne 0x140034ddb
mov r9d, 2
mov dword [rsp + 0x50], ebp
mov r8d, eax
lea rdx, [rsp + 0x50]
xor ecx, ecx
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
test eax, eax
jne 0x140034e2d
mov ecx, dword [rsp + 0x50]
jmp 0x140034df8
imul ecx, dword [0x140081a8c], 0x41c64e6d
add ecx, 0x3039
mov dword [0x140081a8c], ecx
ror ecx, 0x10
mov dword [rsp + 0x50], ecx
cmp ecx, 0xfffffffc
jae 0x140034d90
mov eax, 0x8421085
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 5
imul eax, eax, 0x3e
sub ecx, eax
movzx eax, byte [rcx + r14]
mov byte [rsi], al
inc rsi
sub rdi, 1
jne 0x140034d90
mov byte [rsi], 0
xor eax, eax
mov rbx, qword [rsp + 0x40]
mov rbp, qword [rsp + 0x48]
add rsp, 0x20
pop r14
pop rdi
pop rsi
ret
Function at 0x140038140
Capabilities:
Query environment variable

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push r14
sub rsp, 0x20
mov r14, rcx
mov ebx, 1
mov edx, ebx
xor ecx, ecx
xor ebp, ebp
call qword [case.0x1400174f0.0]
mov rdi, rax
test rax, rax
je 0x1400381bd
nop word [rax + rax]
mov r8d, ebx
mov rdx, rdi
mov rcx, r14
mov rbp, rdi
mov esi, ebx
call qword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov ebx, eax
test eax, eax
je 0x1400381e8
cmp ebx, esi
je 0x1400381e8
cmp ebx, 0x8000
ja 0x1400381e8
cmp ebx, esi
jb 0x1400381e3
mov edx, ebx
mov rcx, rdi
call qword [case.0x1400174f0.0]
mov rdi, rax
test rax, rax
jne 0x140038180
mov rcx, rbp
call qword [fcn.14006611a]
xor eax, eax
mov rbx, qword [rsp + 0x30]
mov rbp, qword [rsp + 0x38]
mov rsi, qword [rsp + 0x40]
mov rdi, qword [rsp + 0x48]
add rsp, 0x20
pop r14
ret
mov rax, rdi
jmp 0x1400381c8
mov rcx, rdi
jmp 0x1400381c0

Function at 0x140039ce0
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x18], rsi
push rdi
sub rsp, 0x20
mov rbx, rcx
mov byte [rsp + 0x38], 0xff
mov rcx, qword [rcx + 0x20]
mov edi, r8d
mov esi, edx
mov byte [rsp + 0x3a], dil
mov byte [rsp + 0x39], sil
lea rdx, [rsp + 0x38]
xor r9d, r9d
mov r8d, 3
mov rcx, qword [rcx + 0x220]
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x140039d41
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbx
mov r8d, eax
call fcn.14001b7f0
mov r9d, edi
lea rdx, str.SENT
mov r8d, esi
mov rcx, rbx
call fcn.140039880
mov rbx, qword [rsp + 0x30]
mov rsi, qword [rsp + 0x40]
add rsp, 0x20
pop rdi
ret
Function at 0x140039ee0
Capabilities:
Send data
Send data on socket

Disassembly:
cmp edx, 0x1f
jne 0x14003a099
push rsi
push rdi
push r13
sub rsp, 0x20
mov rsi, qword [rcx + 0x1b8]
mov rdi, rcx
mov r13, qword [rcx + 0x20]
mov qword [rsp + 0x40], rbx
mov qword [rsp + 0x48], rbp
mov qword [rsp + 0x50], r14
lea rbx, [rsi + 0x1ed8]
lea r14, [rsi + 0x1cd8]
mov qword [rsp + 0x58], r15
mov qword [rbx], r14
mov rax, r14
cmp r14, rbx
jae 0x140039f37
lea rax, [r14 + 1]
mov byte [r14], 0xff
mov qword [rbx], rax
cmp rax, rbx
jae 0x140039f50
mov byte [rax], 0xfa
inc qword [rbx]
mov rax, qword [rbx]
cmp rax, rbx
jae 0x140039f50
mov byte [rax], Ordinal_33
inc qword [rbx]
movzx ecx, word [rsi + 0x1ca8]
call qword [sym.imp.WS2_32.dll_htons]
movzx ecx, word [rsi + 0x1caa]
movzx ebp, ax
shr bp, 8
movzx r15d, ax
call qword [sym.imp.WS2_32.dll_htons]
mov r9, qword [rbx]
movzx ecx, ax
shr cx, 8
cmp r9, rbx
jae 0x140039f8d
mov byte [r9], r15b
inc qword [rbx]
mov r9, qword [rbx]
mov r15, qword [rsp + 0x58]
cmp r9, rbx
jae 0x140039fa0
mov byte [r9], bpl
inc qword [rbx]
mov r9, qword [rbx]
mov rbp, qword [rsp + 0x48]
cmp r9, rbx
jae 0x140039fdf
mov byte [r9], al
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x140039fdf
mov byte [r9], cl
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x140039fdf
mov byte [r9], 0xff
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x140039fdf
mov byte [r9], 0xf0
mov r9, qword [rbx]
inc r9
mov qword [rsi + 0x1ee0], r9
lea r8, [rsi + 0x1cda]
sub r9, r14
mov qword [rbx], r14
sub r9, 2
mov edx, 0x3e
mov rcx, rdi
call fcn.1400399b0
mov rcx, qword [r13 + 0x220]
xor r9d, r9d
mov r8d, 3
mov rdx, r14
call qword [sym.imp.WS2_32.dll_send]
mov r14, qword [rsp + 0x50]
mov rbx, qword [rsp + 0x40]
test eax, eax
jns 0x14003a043
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rdi
mov r8d, eax
call fcn.14001b7f0
lea rdx, [rsi + 0x1cdb]
mov r8d, 4
mov rcx, rdi
call fcn.140039d70
mov rcx, qword [r13 + 0x220]
lea rdx, [rsi + 0x1cdf]
xor r9d, r9d
mov r8d, 2
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x14003a091
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rdi
mov r8d, eax
call fcn.14001b7f0
add rsp, 0x20
pop r13
pop rdi
pop rsi
ret
Function at 0x14003b6c0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push rbp
push rsi
push rdi
sub rsp, 0xd0
mov rax, qword [0x140081840]
xor rax, rsp
mov qword [rsp + 0xc0], rax
mov rax, qword [rcx + 0x20]
mov rbp, rcx
xor r9d, r9d
xor esi, esi
mov rdi, qword [rax + 0x640]
lea rax, [rsp + 0x30]
mov dword [rsp + 0x30], 0x80
mov qword [rsp + 0x28], rax
lea rax, [rsp + 0x40]
mov qword [rsp + 0x20], rax
mov r8d, dword [rdi + 0x144]
mov rdx, qword [rdi + 0x150]
add r8d, 4
mov rcx, qword [rdi + 0x18]
call qword [sym.imp.WS2_32.dll_recvfrom]
mov dword [rdi + 0x13c], eax
cmp dword [rdi + 0x138], esi
jne 0x14003b756
movsxd r8, dword [rsp + 0x30]
lea rcx, [rdi + 0xb8]
lea rdx, [rsp + 0x40]
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [rsp + 0x30]
mov dword [rdi + 0x138], eax
mov r8d, dword [rdi + 0x13c]
mov qword [rsp + 0x100], r14
cmp r8d, 4
jge 0x14003b7a6
lea rdx, str.Received_too_short_packet
mov rcx, rbp
call fcn.14001b7f0
mov dword [rdi + 0xc], 7
mov eax, esi
mov r14, qword [rsp + 0x100]
mov rcx, qword [rsp + 0xc0]
xor rcx, rsp
call fcn.140065140
add rsp, 0xd0
pop rdi
pop rsi
pop rbp
ret
mov rdx, qword [rdi + 0x150]
movzx eax, byte [rdx]
movzx ecx, byte [rdx + 1]
shl eax, 8
or ecx, eax
mov dword [rdi + 0xc], ecx
dec ecx
cmp ecx, 5
ja case.0x14003b7dc.1
movsxd rax, ecx
lea r9, [0x140000000]
mov ecx, dword [r9 + rax*4 + 0x3b8e4]
add rcx, r9
jmp rcx
cmp r8d, 4
jle case.0x14003b7dc.4
movzx eax, byte [rdx + 3]
movzx ecx, byte [rdx + 2]
shl ecx, 8
or ecx, eax
movzx eax, word [rdi + 0x14c]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x14003b7dc.4
lea eax, [r8 - 4]
mov rcx, rbp
lea r8, [rdx + 4]
movsxd r9, eax
mov edx, 1
call fcn.14001cc40
mov esi, eax
test eax, eax
je case.0x14003b7dc.4
mov edx, 5
mov rcx, rdi
call fcn.14003c300
jmp 0x14003b781
movzx ecx, byte [rdx + 2]
lea eax, [r8 - 4]
shl ecx, 8
lea r14, [rdx + 4]
mov qword [rsp + 0xf8], rbx
movsxd rbx, eax
movzx eax, byte [rdx + 3]
mov rdx, rbx
or ecx, eax
mov dword [rdi + 8], ecx
mov rcx, r14
call fcn.14003c370
cmp rax, rbx
mov rbx, qword [rsp + 0xf8]
jae case.0x14003b7dc.4
mov r8, r14
lea rdx, str.TFTP_error:__s
mov rcx, rbp
call fcn.14001b8e0
jmp case.0x14003b7dc.4
add r8d, 0xfffffffe
add rdx, 2
mov rcx, rdi
call fcn.14003b400
mov esi, eax
test eax, eax
je case.0x14003b7dc.4
jmp 0x14003b783
lea r8, str.Internal_error:_Unexpected_packet
mov rcx, rbp
lea rdx, [0x140068eb4]
call fcn.14001b7f0
mov rcx, rbp
call fcn.140031690
test eax, eax
je 0x14003b781
mov edx, 5
mov rcx, rdi
call fcn.14003c300
mov eax, Ordinal_46
jmp 0x14003b783