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Added spaghetti to work around 7.20 packet handler

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This commit is contained in:
Flawed
2025-03-24 22:45:50 -07:00
parent 34b0dc673e
commit 5c456a3a71
2 changed files with 65 additions and 7 deletions
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generate_deep_traces.py
+17 -2
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@@ -1,11 +1,15 @@
import click
import json
import pathlib
import semver
from minor_patch_diff import (
get_sem_ver,
get_opcode_offset,
get_opcode_offset_7_20,
get_correct_switch,
get_zone_proto_down_sig,
get_opcode_offset_sig
)
@@ -142,7 +146,8 @@ def extract_opcode_data(exe_file):
sync_r2_output(r2)
p = create_r2_byte_pattern(get_zone_proto_down_sig(exe_file))
sem_ver = get_sem_ver(exe_file)
p = create_r2_byte_pattern(get_zone_proto_down_sig(sem_ver))
target = r2.cmd(f"/x {p}").split()[0] # Find byte pattern
packet_handler_ea = int(target, 16)
@@ -156,9 +161,19 @@ def extract_opcode_data(exe_file):
eprint(f" Loaded switch cases")
## STEP 2: Grab opcode offset
opcode_offset = get_opcode_offset(r2)
p = create_r2_byte_pattern(get_opcode_offset_sig(sem_ver))
opcode_offset_target = r2.cmd(f"/x {p}").split()[0] # Find byte pattern
packet_handler_ea = int(opcode_offset_target, 16)
r2.cmd(f"s {opcode_offset_target}") # Seek to target
if semver.compare(sem_ver, "7.2.0") >= 0:
opcode_offset = get_opcode_offset_7_20(r2)
else:
opcode_offset = get_opcode_offset(r2)
eprint(f" Found opcode offset: {opcode_offset}")
r2.cmd(f"s {target}") # Seek to original target
## STEP 3: Grab function graph
fn_graph = r2.cmdj(f"pdrj")