Linux kernel syscall tables Loading database... Architecture: Kernel version: Powered by Systrack v [JSON table] [kernel config] [analysis log] [website source] Signature Number Name Symbol Definition location Kconfig Copyright © 2023-2024 Marco Bonelli â Licensed under the GNU General Public License v3.0
ptraceãSyscall User Dispatchï¼ã«ã¼ãã«ãæä¾ãã¦ãã ptrace ã Syscall User Dispatch ã®ãããªæ©è½ã¯ãã¦ã¼ã¶ç©ºéã§ã·ã¹ãã ã³ã¼ã«ã®ããã¯ãå®è£ ããããã«å©ç¨ã§ãã¾ããã§ãããããããå©ç¨ããã¨ãå ã®ã¦ã¼ã¶ç©ºéããã°ã©ã å é¨ã§ã®ã·ã¹ãã ã³ã¼ã«å¼ã³åºãã®ã³ã¹ãã大ãããªããçµæã¨ãã¦ãæ§è½ã大ããå£åãã¦ãã¾ãã¾ããï¼è¦ä»¶ï¼ãæºãããªãï¼ eBPF ï¼eBPF ã®ãããªã«ã¼ãã«å ã®é¢æ°ã¸ããã¯ãé©ç¨ã§ããä»çµã¿ãããã¾ãããeBPF 㯠XDP ã®ãããªå ´åãé¤ãã¨ãåºæ¬çã«ã«ã¼ãã«ã®æåã夿´ããããã«ã¯å©ç¨ã§ããªããããã«ã¼ãã«æ©è½ãã¦ã¼ã¶ç©ºéã§ã¨ãã¥ã¬ã¼ããããã¨ãã£ãç¨éã«ã¯é©ãã¦ãã¾ããã(è¦ä»¶ï¼ãæºãããªã) ã©ã¤ãã©ãªé¢æ°ã®ç½®ãæãï¼æ¨æºã©ã¤ãã©ãªï¼libc çï¼ã¯ã沢山ã®ã·ã¹ãã ã³ã¼ã«ã®ã©ããã¼ã©ã¤ãã©ãªé¢æ°ãå®è£ ãã¦ã
magic-trace collects and displays high-resolution traces of what a process is doing. People have used it to: figure out why an application running in production handles some requests slowly while simultaneously handling a sea of uninteresting requests, look at what their code is actually doing instead of what they think it's doing, get a history of what their application was doing before it crashe
Featureful hex view Byte patching Patch management Infinite Undo/Redo "Copy bytes as..." Bytes Hex string C, C++, C#, Rust, Python, Java & JavaScript array ASCII-Art hex view HTML self-contained div Simple string and hex search Goto from start, end and current cursor position Colorful highlighting Configurable foreground highlighting rules Background highlighting using patterns, find results and b
ðð»ââï¸ã¯ããã«ðð»ââï¸ ãã®è¨äºã¯å¼ç¤¾ã®2021年度Advent Calendarã«åãã¦å·çãããã®ã§ããã©ãããè¨äºã«ãããå°ãæ©ãã ã®ã§ããããã¯ãAdvent Calendarã§ã¯å®ç¨çãªè¨äºã®æ¹ããã¬ã¼ã³ãæããã£ã¦ããããªã¼ãã¨æããã®è¨äºãæ¸ããã¨ã«ãã¾ããã ðªã¢ããã¼ã·ã§ã³ðª Macãå©ç¨ãã¦ããã¨ã³ã¸ãã¢ã®æ¹ã¯ããªãå¤ãã¨æãã¾ãããç§ã®è¦³æ¸¬ç¯å²ã§ã¯ãç°å¢ãã«ã¹ã¿ãã¤ãºãã¾ããå¢ã¨ã»ã¼ããã©ã«ãã®ã¾ã¾ä½¿ã£ã¦ãå¢ã«äºåããã¦ããããã«æãã¾ãããããããè¨å®å ¥ãã¨ãã¨ä¾¿å©ã£ãããã¿ãããªãã¨ãããããªäººã«ãä¼ããããã¨ããã£ãã®ã§ãä»å¾ã¯ãã®è¨äºã¿ãã¨ããããã£ã¦è¨ããã°ãããããªã¼ãã¨æã£ã¦ããæãã§ããã£ã¦è¨ã£ã¦ã大ãããã¨ãã£ã¦ãªãã®ã§åè ã¨ã³ã¸ãã¢ã®æ¹ã ã¯ããªãã ãããããç¥ã£ã¦ããã¨ã°ã£ããªãã ãã©wãã£ã¦ãªããããããªãã®ã§ãã©ã¦ã¶ããã¯ã§ã
Open-source Intuitive and familiar, yet new user interface C-like expression parser Full-featured debugging of DLL and EXE files (TitanEngine) IDA-like sidebar with jump arrows IDA-like instruction token highlighter (highlight registers, etc.) Memory map Symbol view Thread view Source code view Graph view Content-sensitive register view Fully customizable color scheme Dynamically recognize modules
鿬¡æ¡å¼µåã¤ã³ã¿ã©ã¯ãã£ãéçºç°å¢ã使ãã¾ãããiMops (ã¢ã¤ã»ã¢ããã¹)ã¨ããååã§ããç¡æã½ããã¦ã§ã¢ã§ãã ãããããã¦ã³ãã¼ãã§ãã¾ããç¾å¨ã®ãã¼ã¸ã§ã³ã¯2.23ã§ã(2022/2/5)ã Macintoshã³ã³ãã¥ã¼ã¿ï¼MacOS[X]ï¼å°ç¨ã§ãããç¸å½ç¨åº¦æé©åãããx86-64ãã·ã³ã³ã¼ããçæãã¾ããã¤ã³ã¿ã©ã¯ãã£ãã«ä¸èªä¸èªï¼=å颿°æ¯ã«ï¼ã³ã³ãã¤ã«-è§£éå®è¡ã§ãã¾ããJITã³ã³ãã¤ã©ã¨ããããã®ã«ãªãã®ã§ãããããCocoaãªã©ä¸è¬ã®åçãã¬ã¼ã ã¯ã¼ã¯ã«ãªã³ã¯ã§ãã¾ããåç¬ã§èµ·åå¯è½ãªã¢ããªã±ã¼ã·ã§ã³ãä½ããã¨ãã§ãã¾ãã64ãããã®ã¿ã§ããåçã©ã¤ãã©ãªãçæã§ãã¾ããææ°ã®macOSä¸ã§ã稼åããããã§ãï¼ç¢ºèªæ¸ï¼ãï¼ãªããApple社ããMacã®å ¨CPUãäºå¹´ã§ARM仿§ã«å¤æ´ããã¨å®£è¨ãããã¨ã«å¯¾å¿ãã¦ãARM64ããããã¤ãã£ãã®Mopsã®éçºè¨ç»ãé²è¡
_____ _ _ ______ _____ ________ ___ / __ \ | | (_) | _ \ _ || _ | \/ | | / \/_ _| |__ _ ___| | | | | | || | | | . . | | | | | | | '_ \| |/ __| | | | | | || | | | |\/| | | \__/\ |_| | |_) | | (__| |/ /\ \_/ /\ \_/ / | | | \____/\__,_|_.__/|_|\___|___/ \___/ \___/\_| |_/ CubicDoom, a ray-casting game that fits in a boot sector (510 bytes) by Oscar Toledo G. Nov/25/2019 http://nanochess.org https://g
ã¢ã¼ããã¯ãã£ã¨å®è£ æ··ãã£ã¦ããã© å½ä»¤dispã32bitå±ã immã32bitå ¥ããã¨ãå¤ã ã¡ã¢ãªãé åºå®ã(ä½åãæ¸ãããã¡ã¢ãªé åºãç·©ããã¨ã«ãã£ã¦å¾ãããCPUæéãã失ãªã£ã人éæéã®ã»ãã絶対å¤ããã) ãã¡ã¼ã ã¦ã§ã¢ãBIOSã¨UEFIã®äºç¨®é¡ãããªã (ãã¼ããã¨ã«ã«ã¼ãã«ã«ãã£ã¬ã¯ããªä½ãã®ãããARM) å¨è¾ºããã¤ã¹ãPCIã«çµ±ä¸ããã¦ã¦ãã£ãã·ã¥ã®åé¡ãèµ·ããã¥ãã(ããdma_alloc_coherentã®æå調ã¹ãã®é£½ãã) ãã£ãã·ã¥ãã½ããçã«è¦ãã°ä¸é層 (L2ã®æåãå®ç¾©ããã¦ãªãARMã¨ãããç¡åCPU) é¤ç®ã¨FPUãä»ãã¦ã ABIãWiné¤ãã°32bitã¨64bitã¨x32ã®3種é¡ãããªãã PCIe ããã£ãã·ã¥ã¹ãã¼ãä»ãã¦ãã«ã¹ãã¼ãè¿ãåºã lock cmpxchg ãé ããªã *fence ãé ããªã ããããåé¡ã§å¥ã®ã¢ã¼ããx8
Intel製CPUã«ã³ã¢ã®æ¶è²»é»åããæå·åããããã¼ã¿ã®è§£èªãªã©ãè¡ããµã¤ããã£ãã«æ»æã許ãèå¼±æ§ãPLATYPUSãã夿ãã¾ãããä¸è¬çãªãµã¤ããã£ãã«æ»æã®ããã«ãªã·ãã¹ã³ã¼ãã使ã£ãæ¶è²»é»åã®ç©ççãªæ¸¬å®ã¯å¿ è¦ãªããOSããå©ç¨ã§ãããæ¶è²»é»åã¢ãã¿ã¼æ©è½ãã®ã¿ã§æ»æãå¯è½ã ã¨å ±åããã¦ãã¾ãã PLATYPUS: With Great Power comes Great Leakage https://platypusattack.com/ INTEL-SA-00389 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00389.html Intel SGX defeated yet againâthis time thanks to on-chip power meter |
ã½ããã¦ã§ã¢éçºã«ããã¦ããã¡ã¤ã«ã®èªã¿æ¸ããã¯ä½¿ç¨é »åº¦ã®é«ãæä½ã§ãããé度ã®åä¸ã¯ã½ããã¦ã§ã¢å ¨ä½ã®ããã©ã¼ãã³ã¹ã«å¤§ããå½±é¿ãã¾ãããããªãã¡ã¤ã«ã®èªã¿æ¸ãæä½ãè¡ãéã«ãmmapã使ã£ãæ¹ãé常ã®ã·ã¹ãã ã³ã¼ã«ãããé«éã«ãã¡ã¤ã«ãæä½ã§ããçç±ãã«ã¤ãã¦ãããªãã£ãã·ã¥ã³ãã³ãã¢å¤§å¦ã®åææã§ããAlexandra Fedorovaæ°ã説æãã¦ãã¾ãã Why mmap is faster than system calls | by Alexandra (Sasha) Fedorova | Medium https://sasha-f.medium.com/why-mmap-is-faster-than-system-calls-24718e75ab37 OSä¸ã§ã¦ã¼ã¶ã¼ãããã°ã©ã ãå®è¡ããéãããã°ã©ã ã¯ãã¦ã¼ã¶ã¼ç©ºéãã¨ãã«ã¼ãã«ç©ºéãã¨å¼ã°ãã2種é¡ã®é åãå©ç¨ãã¾ãã
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ã¡ã³ããã³ã¹
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}