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AlienVault OTX
Is this malicious?
Yes
No
DNS Resolutions
Date
IP Address
2019-05-06
173.254.106.76
(
ClassC
)
2025-01-28
173.254.104.177
(
ClassC
)
Port 443
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}; var evts contextmenu dblclick drag dragend dragenter dragleave dragover dragstart drop keydown keypress keyup mousedown mousemove mouseout mouseover mouseup mousewheel scroll.split( ); var logHuman function() { if (window.wfLogHumanRan) { return; } window.wfLogHumanRan true; var wfscr document.createElement(script); wfscr.type text/javascript; wfscr.async true; wfscr.src url + &r + Math.random(); (document.getElementsByTagName(head)0||document.getElementsByTagName(body)0).appendChild(wfscr); for (var i 0; i evts.length; i++) { removeEvent(evtsi, logHuman); } }; for (var i 0; i evts.length; i++) { addEvent(evtsi, logHuman); }})(//algesic.com/?wordfence_lh1&hid068EDAE68CFA5DB9619B36286C0B5548);/script> style>img#wpstats{display:none}/style> !-- Jetpack Open Graph Tags -->meta propertyog:type contentwebsite />meta propertyog:title contentAlg3sic />meta propertyog:description content01000011 01111001 01100010 01100101 01110010 01110011 01100101 01100011 01110101 01110010 01101001 01110100 01111001 />meta propertyog:url contenthttps://algesic.com/ />meta propertyog:site_name contentAlg3sic />meta propertyog:image contenthttps://s0.wp.com/i/blank.jpg />meta propertyog:image:alt content />meta propertyog:locale contenten_US />!-- End Jetpack Open Graph Tags -->style typetext/css idwp-custom-css>/*You can add your own CSS here.Click the help icon above to learn more.*/#footer p { margin: 0; padding: 20px 0; text-align: center; color: #cccccc; font-weight: bold; visibility: hidden;}footer .meta { color: #9e9e9e; font-size: 13px; margin: 0.5rem 0; visibility: hidden;}/style>/head>body classhome blog>div idpage classsite> div idprimary classcontent-area> header idmasthead classsite-header rolebanner> div classsite-branding> h1 classsite-title>a hrefhttps://algesic.com/ relhome>Alg3sic/a>/h1> p classsite-description>01000011 01111001 01100010 01100101 01110010 01110011 01100101 01100011 01110101 01110010 01101001 01110100 01111001 /p> /div> nav idsite-navigation classmain-navigation rolenavigation> div idprimary-menu classprimary-menu>/div> /nav> !-- END #site-navigation --> /header> !-- END .site-header --> div idcontent classsite-content>main idmain classsite-main posts-loop rolemain> article idpost-94 classArticle post-94 post type-post status-publish format-standard hentry category-uncategorized> h2 classArticle__title> a hrefhttps://algesic.com/cybersecurity-attacks-in-vehicular-sensors/ relbookmark> span>Cybersecurity Attacks in Vehicular Sensors/span> /a> /h2> div classArticle__topMeta> span classcat-links>span classscreen-reader-text>Categories /span>a hrefhttps://algesic.com/category/uncategorized/ relcategory tag>Uncategorized/a>/span>span classposted-on>a hrefhttps://algesic.com/cybersecurity-attacks-in-vehicular-sensors/ relbookmark>time classentry-date published datetime2020-11-05T11:17:34+00:00>November 5, 2020/time>/a>/span> /div> div classArticle__content> p>Interesting review of potential threats in dynamics sensors, environment sensors, and GPS units in modern vehicles:/p>p>a hrefhttps://ieeexplore.ieee.org/abstract/document/9122502>https://ieeexplore.ieee.org/abstract/document/9122502/a>/p>p>/p> /div> !-- END .Article__content --> footer classArticle__footer> div classArticle__meta pull-left> /div> !-- END .pull-left --> div classArticle__meta pull-right> /div> !-- END .pull-right --> /footer> !-- END .Article__footer -->/article>!-- END .Article -->article idpost-76 classArticle post-76 post type-post status-publish format-standard hentry category-buffer-overflow> h2 classArticle__title> a hrefhttps://algesic.com/execution-of-arbitrary-code-on-windows-10-fully-patched-and-windows-7/ relbookmark> span>Execution of Arbitrary Code on Fully Patched Windows 10 and Windows 7 Boxes (Heap-based Buffer Overflow Vulnerabilities)/span> /a> /h2> div classArticle__topMeta> span classcat-links>span classscreen-reader-text>Categories /span>a hrefhttps://algesic.com/category/buffer-overflow/ relcategory tag>Buffer Overflow/a>/span>span classposted-on>a hrefhttps://algesic.com/execution-of-arbitrary-code-on-windows-10-fully-patched-and-windows-7/ relbookmark>time classentry-date published datetime2017-05-25T18:06:07+00:00>May 25, 2017/time>/a>/span> /div> div classArticle__content> p>Hossein Lotfi, (Secunia Research at Flexera Software) has discovered multiple vulnerabilities, which allow a hacker to execute arbitrary code, using specially crafted font files. These (remote) vulnerabilities impact fully patched installations of Windows 10 as well as Windows 7! :/p>p>* Hackers can exploit a vulnerability within the “LoadUvsTable()” function to cause a heap-based buffer overflow through a font file that has been crafted to contain specially crafted Unicode Variation Sequences tables./p>p>* An integer overflow error within the “LoadFont()” function is able to be exploited in order to create a heap-based buffer overflow, again through a font file that has been crafted to contain specially crafted Unicode Variation Sequences tables./p>p>As I mentioned at the outset these vulns are confirmed on fully patched Windows 10 Professional (gdi32full.dll version 10.0.14393.576) and Windows 7 Professional (usp10.dll version 1.626.7601.23585). Other versionsbr />may be affected./p>p>Fix this critical vuln by installing the update over at Microsoft’s Security TechCenter a hrefhttps://technet.microsoft.com/library/security/MS17-013>here/a>. /p> /div> !-- END .Article__content --> footer classArticle__footer> div classArticle__meta pull-left> /div> !-- END .pull-left --> div classArticle__meta pull-right> /div> !-- END .pull-right --> /footer> !-- END .Article__footer -->/article>!-- END .Article -->article idpost-67 classArticle post-67 post type-post status-publish format-standard hentry category-rop> h2 classArticle__title> a hrefhttps://algesic.com/the-anatomy-of-a-rop-attack/ relbookmark> span>The Anatomy of a ROP Attack/span> /a> /h2> div classArticle__topMeta> span classcat-links>span classscreen-reader-text>Categories /span>a hrefhttps://algesic.com/category/rop/ relcategory tag>ROP/a>/span>span classposted-on>a hrefhttps://algesic.com/the-anatomy-of-a-rop-attack/ relbookmark>time classentry-date published datetime2017-05-24T11:28:08+00:00>May 24, 2017/time>/a>/span> /div> div classArticle__content> p>ROP attacks bear much similarity to return-to-libc attacks in so much as they utilise code that already exists, however, ROP attacks do not need to rely upon complete functions, such as calling the i>libc function system()/i>. Further, due to x86 processors using a variable length instruction set, a potential hacker needn’t rely on instructions originally intended by the compiler. To perform a ROP attack, a hacker must first identify enough i>gadgets/i>(that is, sequences of assembly instructions within an application that accomplish a specific goal, usually very short and comprising a few instructions and ending with a control transfer instruction – typically a RET) to chain together to perform arbitrary tasks unintended by the original application. Usually this is accomplished with a buffer overflow to the call stack, overwriting it with addresses of the desired gadgets. Note that this is just a sequence of addresses not the hacker’s shellcode as with a normal buffer overflow!/p>p>Once the addresses are chained together, arbitrary sequences of instructions can be effectively executed (see the figure below)./p>p>img fetchpriorityhigh decodingasync srchttps://i0.wp.com/algesic.com/wp-content/uploads/2017/05/ROP.png?resize300%2C192&ssl1 alt width300 height192 classalignnone size-medium wp-image-68 srcsethttps://i0.wp.com/algesic.com/wp-content/uploads/2017/05/ROP.png?resize300%2C192&ssl1 300w, https://i0.wp.com/algesic.com/wp-content/uploads/2017/05/ROP.png?resize768%2C491&ssl1 768w, https://i0.wp.com/algesic.com/wp-content/uploads/2017/05/ROP.png?resize1024%2C655&ssl1 1024w, https://i0.wp.com/algesic.com/wp-content/uploads/2017/05/ROP.png?w1500&ssl1 1500w sizes(max-width: 300px) 100vw, 300px data-recalc-dims1 />/p>p>The left side of the diagram shows a normal stack frame of a function. Labels indicate the bounds of the stack frame with the ESP and EBP registers as well as the layout of the passed-in functions and the local variables. /p>p>On the right-hand side, conversely, we can see the stack frame after a ROP attack has been performed. Utilising standard buffer overflow techniques, the hacker overwrites, with random data, all of the data on the stack leading up to the return address (old EBP value and local variables). Next, the hacker chains together all of the addresses of the gadgets./p>p>This way, once a function has completed and the RET instruction is executed, program control is transferred to b>Gadget Address 1/b>. As subsequent RET instructions are encountered at the end of each of the gadgets, the next gadget address will be used./p>p>ROP does not need to execute any code from the stack, all it needs is to be able to write the chained gadgets to the stack and be able to read those addresses later on. The easiest targets for ROP attacks are apps that have not been designed with security in mind and apps that are just poorly written and can therefore have their security holes exploited. The most common protective mechanism used by CPU manufacturers and the like is DEP (Data Execution Prevention), DEP utilises the cooperation of an OS and CPU to enforce policies designed to prevent execution of arbitrary data contained in marked segments of memory. Another popular method is Address Space Layout Randomization (ASLR) which randomises the starting address of memory within which libraries are loaded as well as the location of the apps stack. ASLR is useful for preventing return-to-libc attacks able to bypass DEP restrictions. With return-to-libc, a hacker can modify the return address of a function so that the program continues execution within another function which is already loaded (typically within libc). ASLR causes the address of the desired function to be non-constant, thereby limiting the success rates of attacks./p>p>These defences are not effective in preventing ROP, however. DEP is completely bypassed as ROP does not need to execute any code from the stack. ASLR has also been demonstrated to be insufficient in defeating ROP, the major Operating Systems including Linux, Windows, and OS X, each have their own shortcomings implementing ASLR which can be exploited./p>p>Academics and security researchers are actively exploring new ROP protection methods that utilise on-the-fly encryption and decryption of return addresses at runtime. The focus should be on preventing A ROP attack by stopping a hacker from launching arbitrary commands, in the first place, to gain control of a system (rather than stopping buffer overflows). This can be achieved with the DynamoRIO Dynamic Instrumentation Tool Platform./p>p>****************************Written by Alg3sic**********Feel free to reuse WITH CREDIT TO ME AND A LINK TO https://twitter.com/FidgetRoller**********/p> /div> !-- END .Article__content --> footer classArticle__footer> div classArticle__meta pull-left> /div> !-- END .pull-left --> div classArticle__meta pull-right> /div> !-- END .pull-right --> /footer> !-- END .Article__footer -->/article>!-- END .Article -->article idpost-41 classArticle post-41 post type-post status-publish format-standard hentry category-sinkholes> h2 classArticle__title> a hrefhttps://algesic.com/consolidated-malware-sinkhole-list/ relbookmark> span>Consolidated Malware Sinkhole List/span> /a> /h2> div classArticle__topMeta> span classcat-links>span classscreen-reader-text>Categories /span>a hrefhttps://algesic.com/category/sinkholes/ relcategory tag>Sinkholes/a>/span>span classposted-on>a hrefhttps://algesic.com/consolidated-malware-sinkhole-list/ relbookmark>time classentry-date published datetime2017-05-21T21:32:21+00:00>May 21, 2017/time>/a>/span> /div> div classArticle__content> p>Lesley Carhart has compiled an epic list of sinkholes over at tisiphone.net 1. She used methods in a paper by Michael B Jacobs 2 to detect and confirm these, primarily through DNS and behavioural analysis./p>p>Consolidated Malware Sinkhole List:br />iframe srchttps://docs.google.com/spreadsheets/d/1gbAqAdkjogrxoopVmcY5UcI-qWb38HmULX1vLj7dNmA/pubhtml?gid0&singletrue&widgettrue&headersfalse width100% height478 frameborder0 marginwidth0 marginheight0>/iframe>/p>p>1 https://tisiphone.net/2017/05/16/consolidated-malware-sinkhole-list/br />2 https://www.first.org/resources/papers/conf2016/FIRST-2016-78.pdf/p> /div> !-- END .Article__content --> footer classArticle__footer> div classArticle__meta pull-left> /div> !-- END .pull-left --> div classArticle__meta pull-right> /div> !-- END .pull-right --> /footer> !-- END .Article__footer -->/article>!-- END .Article -->article idpost-62 classArticle post-62 post type-post status-publish format-standard hentry category-bugs> h2 classArticle__title> a hrefhttps://algesic.com/java-1-8u131-startup-bug/ relbookmark> span>Cobalt Strike broken by Java 1.8u131 Startup Bug/span> /a> /h2> div classArticle__topMeta> span classcat-links>span classscreen-reader-text>Categories /span>a hrefhttps://algesic.com/category/bugs/ relcategory tag>Bugs/a>/span>span classposted-on>a hrefhttps://algesic.com/java-1-8u131-startup-bug/ relbookmark>time classentry-date published datetime2017-04-26T15:10:03+00:00>April 26, 2017/time>/a>/span> /div> div classArticle__content> p>Cobalt Strike (Adversary Simulation and Red Team Operations Software) has been impacted by a known bug in Java 1.8u131. The Java update creates a change that breaks the -XX:+AggressiveHeap cmd line option that Cobalt Strike utilises. This is affecting other applications that use this cmd line option. /p>p>One workaround for this on Linux systems is to update teamserver and cobaltstrike scripts to include the -XX:ParallelGCThreads8 option after the Java command or, even better, don’t upgrade to Java 1.8u131 yet and downgrade to Java 1.8u121 if you have already upgraded./p>p>You can read more about this issue on the a hrefhttps://blog.cobaltstrike.com/2017/04/26/java-startup-bug-in-java-1-8u131/>Cobalt Strike blog/a>/p> /div> !-- END .Article__content --> footer classArticle__footer> div classArticle__meta pull-left> /div> !-- END .pull-left --> div classArticle__meta pull-right> /div> !-- END .pull-right --> /footer> !-- END .Article__footer -->/article>!-- END .Article -->article idpost-50 classArticle post-50 post type-post status-publish format-standard hentry category-sandboxes> h2 classArticle__title> a hrefhttps://algesic.com/create-a-malware-sandbox-with-noribean/ relbookmark> span>Automated Malware Sandboxing with VMWare and Noriben/span> /a> /h2> div classArticle__topMeta> span classcat-links>span classscreen-reader-text>Categories /span>a hrefhttps://algesic.com/category/sandboxes/ relcategory tag>Sandboxes/a>/span>span classposted-on>a hrefhttps://algesic.com/create-a-malware-sandbox-with-noribean/ relbookmark>time classentry-date published datetime2017-01-10T11:52:36+00:00>January 10, 2017/time>/a>/span> /div> div classArticle__content> p>Noriben is a simple script that allows you to run malware within a sandbox to analyse what processes it runs, what files it modifies, and what changes it makes to a system. /p>p> Running malware locally makes sense when there is a reluctance to upload files to online services such as Malwr./p>p>Though most malware is run locally using Cuckoo, this requires some considerable effort to setup properly across different non-Linux based environments, such as Windows or OS X./p>p>Noriben is, in essence, a wrapper for procmon – using it to collect hundreds of thousands of events which are then passed through for analysis against a list of whitelisted events, thereby having a reductive effect on the total list which can be more easily analysed./p>p>A neat method to create an automated malware sandbox environment is to install Noriben within a VNWare virtualised environment and then use the vmrun command to revert the VM to a previous snapshot, import the malware, run Noriben, and then output the file in a zipped format to the host system for review. This can be used to generate a malware report within a couple of minutes./p>p>You can download Noriben from a hrefhttps://github.com/Rurik/Noriben>here/a> and read more about automated sandboxing via VMWare at a hrefhttp://www.ghettoforensics.com/2016/01/creating-malware-sandbox-in-seconds.html#more>Ghetto Forensics/a>/p> /div> !-- END .Article__content --> footer classArticle__footer> div classArticle__meta pull-left> /div> !-- END .pull-left --> div classArticle__meta pull-right> /div> !-- END .pull-right --> /footer> !-- END .Article__footer -->/article>!-- END .Article -->/main>!-- END #main --> /div> !-- END #content --> footer idcolophon classsite-footer rolecontentinfo> div classsite-info> p classmeta> Proudly powered by a hrefhttps://wordpress.org/ target_blank>WordPress/a> /p> p classmeta> Theme by a hrefhttp://www.liuxinyu.me/ target_blank>moyu/a> /p> /div> !-- END .site-info --> /footer> !-- END #colophon --> /div> !-- END #primary --> /div> !-- END #page --> script typetext/javascript srchttps://stats.wp.com/e-202505.js idjetpack-stats-js data-wp-strategydefer>/script>script typetext/javascript idjetpack-stats-js-after>/* !CDATA */_stq window._stq || ;_stq.push( view, JSON.parse({\v\:\ext\,\blog\:\129451162\,\post\:\0\,\tz\:\0\,\srv\:\algesic.com\,\j\:\1:13.7.1\}) );_stq.push( clickTrackerInit, 129451162, 0 );/* > *//script>/body>/html>
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