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Add new versions to dumb opcode offset finder

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This commit is contained in:
Flawed
2025-12-16 00:29:32 -08:00
parent f2bd280feb
commit 5c4fcbec0d
1 changed files with 12 additions and 12 deletions
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analysis_utils.py
+12 -12
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@@ -66,12 +66,8 @@ def packet_handler_switch_sig(sem_ver: str) -> str:
Args:
sem_ver (str): The semantic version string.
"""
if semver.compare(sem_ver, "7.3.0") > 0:
return "E8 ? ? ? ? 41 83 C7 ? 49 8B FD"
elif semver.compare(sem_ver, "7.3.0") == 0:
if semver.parse(sem_ver)["build"]:
return "E8 ? ? ? ? 41 83 C7 ? 49 8B FD"
return "E8 ? ? ? ? 41 83 C5 ? 49 8B FC"
if semver.compare(sem_ver, "7.3.0") >= 0:
return "E8 ? ? ? ? 41 83 ? ? 49 8B ? 41 81"
elif semver.compare(sem_ver, "7.2.0") >= 0:
return "E8 ? ? ? ? 41 83 C7 ? EB 1B"
elif semver.compare(sem_ver, "6.4.0") >= 0:
@@ -139,13 +135,17 @@ def get_packet_handler_opcode_offset(r2, exe_file: str):
r2.cmd(f"s {opcode_offset_target}")
r2.cmd("aei; aeim; aeip") # Initialize ESIL VM, stack, and instruction pointer
if semver.compare(sem_ver, "7.2.0") >= 0:
if semver.compare(sem_ver, "7.4.0") >= 0:
offset_reg = "r15"
opcode_offset = _get_opcode_offset_post_72(r2, offset_reg)
elif semver.compare(sem_ver, "7.3.8") >= 0:
offset_reg = "r13"
opcode_offset = _get_opcode_offset_post_72(r2, offset_reg)
elif semver.compare(sem_ver, "7.3.0") == 0 and semver.parse(sem_ver)["build"] == "":
offset_reg = "r13"
opcode_offset = _get_opcode_offset_post_72(r2, offset_reg)
elif semver.compare(sem_ver, "7.2.0") >= 0:
offset_reg = "r15"
if (
semver.compare(sem_ver, "7.3.0") == 0
and semver.parse(sem_ver)["build"] == ""
):
offset_reg = "r13"
opcode_offset = _get_opcode_offset_post_72(r2, offset_reg)
else:
opcode_offset = _get_opcode_offset_pre_72(r2)