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351 Commits 3 Branches 16 Tags 8.6 MiB
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10 Commits

Author SHA1 Message Date
Andrei Vlad LUTAS
fad9c7e35c BDDISASM v2.1.0 release - please consult the CHANGELOG for details about the modifications. 2024-02-20 13:39:22 +02:00
BITDEFENDER\vlutas
bf81c647e3 Make sure all flags are set for CMPXCHG (this was left intentionally incomplete). 
Make sure we clear upper bits of the 256/512 bit SSE register.
 2022-07-19 11:03:17 +03:00
BITDEFENDER\vlutas
fe6a937f51 Switched to internally defined types. 
WRUSSD and WRUSSQ cannot be executed when CPL != 0.
 2022-01-05 14:03:13 +02:00
Andrei Vlad LUTAS
08096172cc Multiple improvements 
- New shemu flag - SHEMU_FLAG_SIDT, set when sheu encounters a SIDT in ring0.
- Added the CET Tracked flag to SYSCLAL, SYSENTER and INT n instructions.
- Fixed Do Not Track prefix recognition for CALL and JMP in long-mode.
- Fixed MONITOR and MONITORX implicit operands - the rAX register encodes a virtual address that will be used as the monitored range. That address is subject to a 1 byte load.
- Fixed RMPADJUST and RMPUPDATE implicit operands - the rAX register encodes a virtual address, and the rCX register encodes a virtual address of the RMP updated entry.
 2021-08-31 13:37:50 +03:00
Andrei Vlad LUTAS
5a617986b7 Added new shemu flag: SHEMU_FLAG_SUD_ACCESS is raised whenever the code accesses the SharedUserData page. 2021-08-16 12:34:41 +03:00
Andrei Vlad LUTAS
f6050661d5 Multiple improvements in bdshemu 
Fixed an emulation bug for MOVZX and MOVSX instructions (https://github.com/bitdefender/bddisasm/issues/48)
New shellcode flag - call tot Wow32 reserved.
New shellcode flag - heaven's gate.
New shellcode flag - stack-pivot.
Moved bdshemu tests in a password protected zip file, so it doesn't trigger AV detections.
 2021-08-10 11:43:51 +03:00
Andrei Vlad LUTAS
072f6e059b Build improvements 
Exclude string constants from build if BDDISASM_NO_FORMAT is defined.
Use extern "C" when declaring the public bddisasm/bdshemu functions.
Include wmmintrin.h for AES intrinisics when building using LLVM/clang.
 2021-05-17 09:52:04 +03:00
Andrei Vlad LUTAS
f7bf814bbc Flag the rIP operand of conditional branches as being conditionally read/write instead of plain read/write. 
Bypass self-writes option in bdshemu - if set, bdshemu will not proceed to commit modifications made by the shellcode to itself.
 2021-05-17 09:04:34 +03:00
Andrei Vlad LUTAS
f8a3011a49 Added support for AESDEC, AESDECLAST and AESIMC emulation, using compiler intrinsics - they will be used only if the SHEMU_OPT_SUPPORT_AES is set (so the integrator can properly check for AES-NI support in hardware). 
Fixed shemu option on Linux - make sure proper RIP is provided.
 2020-12-04 10:52:56 +02:00
Ionel-Cristinel ANICHITEI
c1c3770cc6 Move bdhsemu.h to inc/ 2020-11-17 16:05:40 +02:00