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wrote a bunch of code optimizations, wrote an algo to get all the

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symbols that the code uses...
3.0
_xeroxz 3 years ago
parent 17b2371910
commit 1c51f37f60
9 changed files with 218 additions and 139 deletions
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11
include/decomp/decomp.hpp
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@ -3,6 +3,7 @@
#include <cstdint> #include <cstdint>
#include <linuxpe> #include <linuxpe>
#include <optional> #include <optional>
#include <set>
#include <vector> #include <vector>
#include <decomp/routine.hpp> #include <decomp/routine.hpp>
@ -12,6 +13,7 @@
#include <coff/image.hpp> #include <coff/image.hpp>
namespace theo::decomp { namespace theo::decomp {
using sym_data_t = std::pair<coff::image_t*, coff::symbol_t*>;
class decomp_t { class decomp_t {
public: public:
explicit decomp_t(std::vector<std::uint8_t>& lib, explicit decomp_t(std::vector<std::uint8_t>& lib,
@ -22,13 +24,20 @@ class decomp_t {
std::vector<coff::image_t*> objs(); std::vector<coff::image_t*> objs();
recomp::symbol_table_t* syms(); recomp::symbol_table_t* syms();
std::map<coff::section_header_t*, std::size_t>& scn_hash_tbl(); std::map<coff::section_header_t*, std::size_t>& scn_hash_tbl();
std::optional<recomp::symbol_table_t*> decompose(); std::optional<recomp::symbol_table_t*> decompose(
const std::string&& entry_sym);
private: private:
std::uint32_t ext_used_syms(const std::string&& entry_sym);
std::optional<sym_data_t> get_symbol(const std::string_view& name);
const std::vector<std::uint8_t> m_lib; const std::vector<std::uint8_t> m_lib;
std::vector<coff::image_t*> m_objs; std::vector<coff::image_t*> m_objs;
std::vector<routine_t> m_rtns; std::vector<routine_t> m_rtns;
std::set<sym_data_t> m_used_syms;
std::set<coff::image_t*> m_processed_objs;
std::map<coff::section_header_t*, std::size_t> m_scn_hash_tbl; std::map<coff::section_header_t*, std::size_t> m_scn_hash_tbl;
std::map<std::size_t, std::vector<sym_data_t>> m_lookup_tbl;
recomp::symbol_table_t* m_syms; recomp::symbol_table_t* m_syms;
}; };
} // namespace theo::decomp } // namespace theo::decomp

4
include/recomp/symbol_table.hpp
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@ -16,8 +16,8 @@ class symbol_table_t {
void add_symbol(decomp::symbol_t& sym); void add_symbol(decomp::symbol_t& sym);
void add_symbols(std::vector<decomp::symbol_t>& syms); void add_symbols(std::vector<decomp::symbol_t>& syms);
std::optional<decomp::symbol_t> sym_from_hash(std::size_t hash); std::optional<decomp::symbol_t*> sym_from_hash(std::size_t hash);
std::optional<decomp::symbol_t> sym_from_alloc(std::uintptr_t allocated_at); std::optional<decomp::symbol_t*> sym_from_alloc(std::uintptr_t allocated_at);
void update(std::size_t hash, decomp::symbol_t& sym); void update(std::size_t hash, decomp::symbol_t& sym);
void update(std::size_t hash, std::uintptr_t allocated_at); void update(std::size_t hash, std::uintptr_t allocated_at);

7
include/theo.hpp
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@ -25,13 +25,16 @@ using lnk_fns_t =
class theo_t { class theo_t {
public: public:
explicit theo_t(std::vector<std::uint8_t>& lib, lnk_fns_t lnkr_fns); explicit theo_t(std::vector<std::uint8_t>& lib,
lnk_fns_t lnkr_fns,
const std::string&& entry_sym);
std::optional<std::uint32_t> decompose(); std::optional<std::uint32_t> decompose();
std::uintptr_t compose(const std::string&& entry_sym); std::uintptr_t compose();
std::uintptr_t resolve(const std::string&& sym); std::uintptr_t resolve(const std::string&& sym);
private: private:
std::string m_entry_sym;
decomp::decomp_t m_dcmp; decomp::decomp_t m_dcmp;
recomp::recomp_t m_recmp; recomp::recomp_t m_recmp;
recomp::symbol_table_t m_sym_tbl; recomp::symbol_table_t m_sym_tbl;

28
src/tests/demo/main.cpp
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@ -1,4 +1,6 @@
#include <Windows.h> #include <Windows.h>
#include <psapi.h>
#include <filesystem> #include <filesystem>
#include <fstream> #include <fstream>
@ -18,6 +20,9 @@ int main(int argc, char* argv[]) {
fdata.resize(fsize); fdata.resize(fsize);
f.read((char*)fdata.data(), fsize); f.read((char*)fdata.data(), fsize);
LoadLibraryA("user32.dll");
LoadLibraryA("win32u.dll");
theo::recomp::allocator_t allocator = theo::recomp::allocator_t allocator =
[&](std::uint32_t size, [&](std::uint32_t size,
coff::section_characteristics_t section_type) -> std::uintptr_t { coff::section_characteristics_t section_type) -> std::uintptr_t {
@ -32,11 +37,26 @@ int main(int argc, char* argv[]) {
}; };
theo::recomp::resolver_t resolver = [&](std::string sym) -> std::uintptr_t { theo::recomp::resolver_t resolver = [&](std::string sym) -> std::uintptr_t {
return reinterpret_cast<std::uintptr_t>( auto loaded_modules = std::make_unique<HMODULE[]>(64);
GetProcAddress(LoadLibraryA("user32.dll"), sym.data())); std::uintptr_t result = 0u, loaded_module_sz = 0u;
if (!EnumProcessModules(GetCurrentProcess(), loaded_modules.get(), 512,
(PDWORD)&loaded_module_sz))
return {};
for (auto i = 0u; i < loaded_module_sz / 8u; i++) {
wchar_t file_name[MAX_PATH] = L"";
if (!GetModuleFileNameExW(GetCurrentProcess(), loaded_modules.get()[i],
file_name, _countof(file_name)))
continue;
if ((result = reinterpret_cast<std::uintptr_t>(
GetProcAddress(LoadLibraryW(file_name), sym.c_str()))))
break;
}
return result;
}; };
theo::theo_t t(fdata, {allocator, copier, resolver}); theo::theo_t t(fdata, {allocator, copier, resolver}, "main");
auto res = t.decompose(); auto res = t.decompose();
if (!res.has_value()) { if (!res.has_value()) {
@ -45,7 +65,7 @@ int main(int argc, char* argv[]) {
} }
spdlog::info("decomposed {} symbols...", res.value()); spdlog::info("decomposed {} symbols...", res.value());
auto entry_pnt = t.compose("EntryPoint"); auto entry_pnt = t.compose();
spdlog::info("entry point address: {:X}", entry_pnt); spdlog::info("entry point address: {:X}", entry_pnt);
std::getchar(); std::getchar();
reinterpret_cast<void (*)()>(entry_pnt)(); reinterpret_cast<void (*)()>(entry_pnt)();

259
src/theo/decomp/decomp.cpp
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@ -4,7 +4,8 @@ namespace theo::decomp {
decomp_t::decomp_t(std::vector<std::uint8_t>& lib, recomp::symbol_table_t* syms) decomp_t::decomp_t(std::vector<std::uint8_t>& lib, recomp::symbol_table_t* syms)
: m_lib(lib), m_syms(syms) {} : m_lib(lib), m_syms(syms) {}
std::optional<recomp::symbol_table_t*> decomp_t::decompose() { std::optional<recomp::symbol_table_t*> decomp_t::decompose(
const std::string&& entry_sym) {
// extract obj files from the archive file... // extract obj files from the archive file...
// //
ar::view<false> lib(m_lib.data(), m_lib.size()); ar::view<false> lib(m_lib.data(), m_lib.size());
@ -20,115 +21,114 @@ std::optional<recomp::symbol_table_t*> decomp_t::decompose() {
} }
}); });
std::for_each(m_objs.begin(), m_objs.end(), [&](coff::image_t* img) {
for (auto idx = 0u; idx < img->file_header.num_symbols; ++idx) {
auto sym = img->get_symbol(idx);
auto sym_name = sym->name.to_string(img->get_strings());
if (sym_name.length()) {
auto sym_hash = symbol_t::hash(sym_name.data());
m_lookup_tbl[sym_hash].push_back({img, sym});
}
}
});
// extract used symbols from objs and create a nice little set of them so that
// we can easily decompose them... no need deal with every single symbol...
spdlog::info("extracted {} symbols being used...",
ext_used_syms(entry_sym.data()));
// generate symbols, populate section hash table, for each object file // generate symbols, populate section hash table, for each object file
// extracted from the archive file... // extracted from the archive file...
// //
std::for_each(m_objs.begin(), m_objs.end(), [&](coff::image_t* img) { std::for_each(m_used_syms.begin(), m_used_syms.end(), [&](sym_data_t data) {
// populate section hash table... auto [img, sym] = data;
// populate section hash table with sections for the img of this
// symbol... only populate the hash table if its not been populated for
// this obj before...
// //
for (auto idx = 0u; idx < img->file_header.num_sections; ++idx) { if (m_processed_objs.emplace(img).second) {
auto scn = img->get_section(idx); for (auto idx = 0u; idx < img->file_header.num_sections; ++idx) {
auto scn_sym_name = auto scn = img->get_section(idx);
std::string(scn->name.to_string(img->get_strings())) auto scn_sym_name =
.append("#") std::string(scn->name.to_string(img->get_strings()))
.append(std::to_string(idx)) .append("#")
.append("!") .append(std::to_string(idx))
.append(std::to_string(img->file_header.timedate_stamp)); .append("!")
.append(std::to_string(img->file_header.timedate_stamp));
// hash the name of the section + the index + the timestamp of the obj
// file it is in... // hash the name of the section + the index + the timestamp of the
// // obj file it is in...
m_scn_hash_tbl.insert({scn, decomp::symbol_t::hash(scn_sym_name)}); //
m_scn_hash_tbl.insert({scn, decomp::symbol_t::hash(scn_sym_name)});
}
} }
auto syms_cnt = img->file_header.num_symbols; // if the symbol is a function then we are going to decompose it...
for (auto idx = 0u; idx < syms_cnt; ++idx) { // data symbols are handled after this...
auto sym = img->get_symbol(idx); //
if (sym->has_section()) {
// if the symbol is a function then we are going to decompose it... if (sym->derived_type == coff::derived_type_id::function) {
// data symbols are handled after this... auto scn = img->get_section(sym->section_index - 1);
// auto dcmp_type =
if (sym->has_section()) { scn->name.to_string(img->get_strings()) == INSTR_SPLIT_SECTION_NAME
if (sym->derived_type == coff::derived_type_id::function) { ? decomp::sym_type_t::instruction
auto scn = img->get_section(sym->section_index - 1); : decomp::sym_type_t::function;
auto dcmp_type = scn->name.to_string(img->get_strings()) == auto fn_size = scn->size_raw_data;
INSTR_SPLIT_SECTION_NAME auto fn_bgn = scn->ptr_raw_data + reinterpret_cast<std::uint8_t*>(img);
? decomp::sym_type_t::instruction
: decomp::sym_type_t::function; std::vector<std::uint8_t> fn(fn_bgn, fn_bgn + fn_size);
auto fn_size = scn->size_raw_data; decomp::routine_t rtn(sym, img, scn, fn, dcmp_type);
auto fn_bgn =
scn->ptr_raw_data + reinterpret_cast<std::uint8_t*>(img); auto syms = rtn.decompose();
m_syms->add_symbols(syms);
spdlog::info("decomposing function: {} size: {}", } else if (sym->storage_class == coff::storage_class_id::public_symbol ||
sym->name.to_string(img->get_strings()), fn_size); sym->storage_class == coff::storage_class_id::private_symbol) {
auto scn = img->get_section(sym->section_index - 1);
std::vector<std::uint8_t> fn(fn_bgn, fn_bgn + fn_size); auto scn_sym = m_syms->sym_from_hash(m_scn_hash_tbl[scn]);
decomp::routine_t rtn(sym, img, scn, fn, dcmp_type);
// if the section doesnt have a symbol then make one and put it into
auto syms = rtn.decompose(); // the symbol table...
spdlog::info("decomposed routine into {} symbols...", syms.size()); //
m_syms->add_symbols(syms); if (!scn_sym.has_value()) {
} else if (sym->storage_class == auto scn_sym_name =
coff::storage_class_id::public_symbol) { std::string(scn->name.to_string(img->get_strings()))
auto scn = img->get_section(sym->section_index - 1); .append("#")
auto scn_sym = m_syms->sym_from_hash(m_scn_hash_tbl[scn]); .append(std::to_string(sym->section_index - 1))
.append("!")
// if the section doesnt have a symbol then make one and put it into .append(std::to_string(img->file_header.timedate_stamp));
// the symbol table...
// std::vector<std::uint8_t> scn_data(
if (!scn_sym.has_value()) { reinterpret_cast<std::uint8_t*>(img) + scn->ptr_raw_data,
auto scn_sym_name = reinterpret_cast<std::uint8_t*>(img) + scn->ptr_raw_data +
std::string(scn->name.to_string(img->get_strings())) scn->size_raw_data);
.append("#")
.append(std::to_string(sym->section_index - 1)) decomp::symbol_t new_scn_sym(img, scn_sym_name, 0, scn_data, scn, {},
.append("!") {}, sym_type_t::section);
.append(std::to_string(img->file_header.timedate_stamp));
m_syms->add_symbol(new_scn_sym);
std::vector<std::uint8_t> scn_data( }
reinterpret_cast<std::uint8_t*>(img) + scn->ptr_raw_data,
reinterpret_cast<std::uint8_t*>(img) + scn->ptr_raw_data +
scn->size_raw_data);
decomp::symbol_t new_scn_sym(img, scn_sym_name, 0, scn_data, scn,
{}, {}, sym_type_t::section);
spdlog::info(
"generating symbol for section: {} sym name: {} hash: {:X} "
"section size: {}",
scn->name.to_string(img->get_strings()), new_scn_sym.name(),
new_scn_sym.hash(), scn->size_raw_data);
m_syms->add_symbol(new_scn_sym);
}
// create a symbol for the data...
//
decomp::symbol_t new_sym(
img, sym->name.to_string(img->get_strings()).data(), sym->value,
{}, scn, sym, {}, sym_type_t::data);
spdlog::info("adding data symbol: {} located inside of section: {}", // create a symbol for the data...
new_sym.name(), //
m_syms->sym_from_hash(m_scn_hash_tbl[new_sym.scn()]) decomp::symbol_t new_sym(
.value() img, sym->name.to_string(img->get_strings()).data(), sym->value, {},
.name()); scn, sym, {}, sym_type_t::data);
m_syms->add_symbol(new_sym); m_syms->add_symbol(new_sym);
}
} else if (sym->storage_class ==
coff::storage_class_id::
external_definition) { // else if the symbol has no
// section... these symbols require
// the linker to allocate space for
// them...
std::vector<std::uint8_t> data(sym->value, 0);
decomp::symbol_t bss_sym(img,
sym->name.to_string(img->get_strings()).data(),
{}, data, {}, sym, {}, sym_type_t::data);
m_syms->add_symbol(bss_sym);
} }
} else if (sym->storage_class ==
coff::storage_class_id::
external_definition) { // else if the symbol has no
// section... these symbols
// require the linker to allocate
// space for them...
std::vector<std::uint8_t> data(sym->value, 0);
decomp::symbol_t bss_sym(img,
sym->name.to_string(img->get_strings()).data(),
{}, data, {}, sym, {}, sym_type_t::data);
m_syms->add_symbol(bss_sym);
} }
}); });
@ -137,6 +137,63 @@ std::optional<recomp::symbol_table_t*> decomp_t::decompose() {
return m_syms; return m_syms;
} }
std::uint32_t decomp_t::ext_used_syms(const std::string&& entry_sym) {
std::optional<std::pair<coff::image_t*, coff::symbol_t*>> entry;
if (!(entry = get_symbol(entry_sym.data())).has_value())
return 0u;
std::set<coff::symbol_t*> cache;
const auto finding_syms = [&]() -> bool {
for (auto itr = m_used_syms.begin(); itr != m_used_syms.end(); ++itr) {
auto [img, sym] = *itr;
if (sym->has_section() && !cache.count(sym)) {
auto scn = img->get_section(sym->section_index - 1);
auto num_relocs = scn->num_relocs;
auto relocs = reinterpret_cast<coff::reloc_t*>(
scn->ptr_relocs + reinterpret_cast<std::uint8_t*>(img));
for (auto idx = 0u; idx < num_relocs; ++idx) {
auto reloc_sym = img->get_symbol(relocs[idx].symbol_index);
// if the symbol is defined in the current obj then we dont need to go
// looking for where its actually defined...
if (img->get_symbol(relocs[idx].symbol_index)->has_section()) {
sym_data_t sym_data = {img, reloc_sym};
if (m_used_syms.emplace(sym_data).second)
return true;
} else {
auto sym_name = reloc_sym->name.to_string(img->get_strings());
entry = get_symbol(sym_name);
if (m_used_syms.emplace(entry.value()).second)
return true;
}
}
cache.emplace(sym);
}
}
return false;
};
m_used_syms.emplace(entry.value());
for (m_used_syms.emplace(entry.value()); finding_syms();)
;
return m_used_syms.size();
}
std::optional<sym_data_t> decomp_t::get_symbol(const std::string_view& name) {
coff::image_t* img = {};
coff::symbol_t* sym = {};
auto& syms = m_lookup_tbl[symbol_t::hash(name.data())];
for (auto idx = 0u; idx < syms.size(); ++idx) {
img = syms[idx].first;
sym = syms[idx].second;
if (sym->has_section())
return {{img, sym}};
}
return {{img, sym}};
}
std::vector<routine_t> decomp_t::rtns() { std::vector<routine_t> decomp_t::rtns() {
return m_rtns; return m_rtns;
} }

7
src/theo/decomp/routine.cpp
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@ -23,10 +23,6 @@ std::vector<decomp::symbol_t> routine_t::decompose() {
auto sym_name = sym_reloc->name.to_string(m_img->get_strings()); auto sym_name = sym_reloc->name.to_string(m_img->get_strings());
auto sym_hash = decomp::symbol_t::hash(sym_name.data()); auto sym_hash = decomp::symbol_t::hash(sym_name.data());
spdlog::info("{} reloc to: {} hash: {:X} at offset: {}",
m_sym->name.to_string(m_img->get_strings()), sym_name,
sym_hash, scn_reloc->virtual_address);
relocs.push_back(recomp::reloc_t(scn_reloc->virtual_address, sym_hash, relocs.push_back(recomp::reloc_t(scn_reloc->virtual_address, sym_hash,
sym_name.data())); sym_name.data()));
} }
@ -81,9 +77,6 @@ std::vector<decomp::symbol_t> routine_t::decompose() {
auto sym_hash = decomp::symbol_t::hash(sym_name.data()); auto sym_hash = decomp::symbol_t::hash(sym_name.data());
auto reloc_offset = reloc->virtual_address - offset; auto reloc_offset = reloc->virtual_address - offset;
spdlog::info("{} reloc to: {} at offset: {}", new_sym_name, sym_name,
reloc_offset);
relocs.push_back( relocs.push_back(
recomp::reloc_t(reloc_offset, sym_hash, sym_name.data())); recomp::reloc_t(reloc_offset, sym_hash, sym_name.data()));
} }

9
src/theo/recomp/recomp.cpp
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@ -42,7 +42,7 @@ void recomp_t::allocate() {
assert(scn_sym.has_value()); assert(scn_sym.has_value());
} }
sym.allocated_at(scn_sym.value().allocated_at() + sym.offset()); sym.allocated_at(scn_sym.value()->allocated_at() + sym.offset());
} else { // else if there is no section then we allocate based upon the } else { // else if there is no section then we allocate based upon the
// size of the symbol... this is only done for symbols that are // size of the symbol... this is only done for symbols that are
// bss... // bss...
@ -64,7 +64,8 @@ void recomp_t::resolve() {
// resolve relocations in all symbols... // resolve relocations in all symbols...
// //
m_dcmp->syms()->for_each([&](theo::decomp::symbol_t& sym) { m_dcmp->syms()->for_each([&](theo::decomp::symbol_t& sym) {
std::for_each(sym.relocs().begin(), sym.relocs().end(), [&](reloc_t reloc) { auto& relocs = sym.relocs();
std::for_each(relocs.begin(), relocs.end(), [&](reloc_t& reloc) {
if (reloc.offset() > sym.data().size()) { if (reloc.offset() > sym.data().size()) {
spdlog::error( spdlog::error(
"invalid relocation... writing outside of symbol length... offset: " "invalid relocation... writing outside of symbol length... offset: "
@ -79,7 +80,7 @@ void recomp_t::resolve() {
// //
auto reloc_sym = m_dcmp->syms()->sym_from_hash(reloc.hash()); auto reloc_sym = m_dcmp->syms()->sym_from_hash(reloc.hash());
auto allocated_at = reloc_sym.has_value() auto allocated_at = reloc_sym.has_value()
? reloc_sym.value().allocated_at() ? reloc_sym.value()->allocated_at()
: m_resolver(reloc.name()); : m_resolver(reloc.name());
if (!allocated_at) { if (!allocated_at) {
@ -136,6 +137,6 @@ void recomp_t::resolver(resolver_t resolve) {
std::uintptr_t recomp_t::resolve(const std::string&& sym) { std::uintptr_t recomp_t::resolve(const std::string&& sym) {
auto res = m_dcmp->syms()->sym_from_hash(decomp::symbol_t::hash(sym)); auto res = m_dcmp->syms()->sym_from_hash(decomp::symbol_t::hash(sym));
return res.has_value() ? res->allocated_at() : 0; return res.has_value() ? res.value()->allocated_at() : 0;
} }
} // namespace theo::recomp } // namespace theo::recomp

13
src/theo/recomp/symbol_table.cpp
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@ -31,13 +31,13 @@ void symbol_table_t::for_each(std::function<void(decomp::symbol_t& sym)> fn) {
fn(itr->second); fn(itr->second);
} }
std::optional<decomp::symbol_t> symbol_table_t::sym_from_hash( std::optional<decomp::symbol_t*> symbol_table_t::sym_from_hash(
std::size_t hash) { std::size_t hash) {
return m_table.count(hash) ? m_table.at(hash) return m_table.count(hash) ? &m_table.at(hash)
: std::optional<decomp::symbol_t>{}; : std::optional<decomp::symbol_t*>{};
} }
std::optional<decomp::symbol_t> symbol_table_t::sym_from_alloc( std::optional<decomp::symbol_t*> symbol_table_t::sym_from_alloc(
std::uintptr_t allocated_at) { std::uintptr_t allocated_at) {
auto res = auto res =
std::find_if(m_table.begin(), m_table.end(), std::find_if(m_table.begin(), m_table.end(),
@ -45,10 +45,11 @@ std::optional<decomp::symbol_t> symbol_table_t::sym_from_alloc(
return itr.second.allocated_at() == allocated_at; return itr.second.allocated_at() == allocated_at;
}); });
return res != m_table.end() ? res->second : std::optional<decomp::symbol_t>{}; return res != m_table.end() ? &res->second
: std::optional<decomp::symbol_t*>{};
} }
std::uint32_t symbol_table_t::size() { std::uint32_t symbol_table_t::size() {
return m_table.size(); return m_table.size();
} }
} // namespace theo::comp } // namespace theo::recomp

19
src/theo/theo.cpp
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@ -1,8 +1,10 @@
#include <theo.hpp> #include <theo.hpp>
namespace theo { namespace theo {
theo_t::theo_t(std::vector<std::uint8_t>& lib, lnk_fns_t lnkr_fns) theo_t::theo_t(std::vector<std::uint8_t>& lib,
: m_dcmp(lib, &m_sym_tbl), m_recmp(&m_dcmp) { lnk_fns_t lnkr_fns,
const std::string&& entry_sym)
: m_dcmp(lib, &m_sym_tbl), m_recmp(&m_dcmp), m_entry_sym(entry_sym) {
// init enc/dec tables only once... add obfuscation passes to the engine... // init enc/dec tables only once... add obfuscation passes to the engine...
// //
if (static std::atomic_bool v = true; v.exchange(false)) { if (static std::atomic_bool v = true; v.exchange(false)) {
@ -23,32 +25,25 @@ theo_t::theo_t(std::vector<std::uint8_t>& lib, lnk_fns_t lnkr_fns)
} }
std::optional<std::uint32_t> theo_t::decompose() { std::optional<std::uint32_t> theo_t::decompose() {
auto res = m_dcmp.decompose(); auto res = m_dcmp.decompose(m_entry_sym.data());
if (!res.has_value()) { if (!res.has_value()) {
spdlog::error("failed to decompose...\n"); spdlog::error("failed to decompose...\n");
return {}; return {};
} }
spdlog::info("decompose successful... {} symbols", res.value()->size()); spdlog::info("decompose successful... {} symbols", res.value()->size());
res.value()->for_each([&](decomp::symbol_t& sym) {
spdlog::info("hash: {:X}, name: {}", sym.hash(), sym.name());
});
return res.value()->size(); return res.value()->size();
} }
std::uintptr_t theo_t::compose(const std::string&& entry_sym) { std::uintptr_t theo_t::compose() {
// run obfuscation engine on all symbols... // run obfuscation engine on all symbols...
// //
auto engine = obf::engine_t::get(); auto engine = obf::engine_t::get();
m_sym_tbl.for_each([&](decomp::symbol_t& sym) { engine->run(&sym); }); m_sym_tbl.for_each([&](decomp::symbol_t& sym) { engine->run(&sym); });
m_recmp.allocate(); m_recmp.allocate();
m_sym_tbl.for_each([&](decomp::symbol_t& sym) {
spdlog::info("{} allocated at {:X}", sym.name(), sym.allocated_at());
});
m_recmp.resolve(); m_recmp.resolve();
m_recmp.copy_syms(); m_recmp.copy_syms();
return m_recmp.resolve(entry_sym.data()); return m_recmp.resolve(m_entry_sym.data());
} }
} // namespace theo } // namespace theo
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