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The plot thickens! Clang, up to version 3.2, was using MMX registers:https://gcc.godbolt.org/z/44ZWcz
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Can someone explain why the GCC is using MMX registers for parameter passing here (https://gcc.godbolt.org/z/X9JjUV ), whereas Clang goes either the memory route (https://gcc.godbolt.org/z/ig2zqc ) or if forced, the XMM route (https://gcc.godbolt.org/z/hdqn6L )?
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Peter Goodman proslijedio/la je Tweet
Syscall fault injection is a really cool testing technique, but doing it reliably is hard. BPF has got your back, thanks to the bpf_override_return() helper! Here's a small tool I developed to play with it:https://github.com/trailofbits/ebpfault …
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Peter Goodman proslijedio/la je Tweet
woah! "Microx enables a program to safely execute an arbitrary x86 or x86-64 instruction."https://twitter.com/peter_a_goodman/status/1205306218140590080 …
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Peter Goodman proslijedio/la je Tweet
mcsema/anvill/remill appears to be far ahead of the competition
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Is there a reg2mem-like pass or analysis for LLVM that generates the minimal number of allocas needed to "back" all phi nodes of a given function? This feels like a register allocation problem.
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Peter Goodman proslijedio/la je TweetHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Peter Goodman proslijedio/la je Tweet
ANVILL is built on top of McSema/Remill and is from the same devshttps://github.com/lifting-bits/anvill …
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Peter Goodman proslijedio/la je Tweet
Peter Garba and Matteo Favaro presenting their very effective Deobfuscation Framework based on LLVM ecosystem.
#ccs19#CCS2019@SproWorkshop@acm_ccspic.twitter.com/8mMZRAU4ob
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Peter Goodman proslijedio/la je Tweet
"The ALAN Parsers Project" lol. Cool work from ToB on identifying and exploring polyglot files (10k formats!) and improving upon the LLVM dfsan fork from Angora to make it more scalable and useful for runtime taint analysis. Outputs a list of byte offsets referenced per-function.https://twitter.com/ESultanik/status/1190241200302940161 …
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Peter Goodman proslijedio/la je Tweet
I started testing LLVM backend support for the new freeze instruction today using this scheme, with Anvill as the decompiler. no bugs so far! https://github.com/lifting-bits/anvill …pic.twitter.com/43S0ny0uPP
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Peter Goodman proslijedio/la je Tweet
REVEN 2.2 is out! Python API, Automatic Recording, RE Automation and more... Details on https://blog.tetrane.com/2019/REVEN-New-Release-2-2-announcement.html …
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Peter Goodman proslijedio/la je Tweet
SATURN -- Software Deobfuscation Framework Based on LLVM ( nice one by
@fvrmatteo@Blips_and_Chitz ) https://arxiv.org/abs/1909.01752Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Peter Goodman proslijedio/la je Tweet
Binary symbolic execution with KLEE-Native http://blog.trailofbits.com/2019/08/30/binary-symbolic-execution-with-klee-native/ …pic.twitter.com/lgAoUpbnXK
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Peter Goodman proslijedio/la je Tweet
Our (
@fvrmatteo) paper "SATURN - Software deobfuscation framework based on LLVM" is finally accepted to the ACM CCS SPRO 2019 workshop. If you are interested into software deobfuscation based on@llvmorg, Souper Optimizer (@johnregehr) and Remill (@trailofbits) join us in london!pic.twitter.com/piPUZ3I4uF
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Peter Goodman proslijedio/la je TweetHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Peter Goodman proslijedio/la je Tweet
Watch Artem and
@peter_a_goodman's presentation at the@Qualcomm Mobile Security Summit about their incredible journey trying to fuzz legacy VxWorks PowerPC targets with AFL and QEMU#QPSISummit2019https://www.youtube.com/watch?v=Wfq1pheFx60 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Peter Goodman proslijedio/la je Tweet
McSema now has an open-source Dyninst frontend that compares competitively with IDA Pro. Check out this amazing thesis by Lukáš Korenčik to see how all the parts fit together. https://is.muni.cz/th/pxe1j?lang=en;info=1;zpet=%2Fvyhledavani%2F%3Fsearch%3DMcSema%26start%3D1 …
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Feature request for
@CompileExplore: control-flow arrows in assembly view, kind of like what you get in interactive disassemblers like in IDA Pro or@radareorg: https://i.stack.imgur.com/B3077.pngHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Peter Goodman proslijedio/la je Tweet
New demo of Timeless Analysis Reverse Engineering technology (REVEN v2) by
@Tetrane. 10 min to analyze this VLC Exploit! Full screen on https://blog.tetrane.com/2019/Analysis-Exploit-VLC-CVE-2018-11529.html …https://tetrane.wistia.com/medias/sh3k8006oj …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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