Coin Free Faucet Claim

HTML5 Games On Android

On my last hollidays, I made two HTML5 games, and published on android market. Nowadays javascript has powerful libraries for doing almost everything, and also there are several compilers from java or c code to javascript, converting opengl c code to html5 canvas, but definitely, javascript execution is slower than dalvik applications, and of course much slower than arm c libs. For improving the speed of sounds and images loader, I have used javascript asynchronous execution and scheduling priority has been controlled with setTimeout/setInterval which deprioritize or priorize a code block. This games are published on the android market here: Android Planets and here: Far Planet

Why (I Believe) WADA Was Not Hacked By The Russians

Disclaimer: This is my personal opinion. I am not an expert in attribution. But as it turns out, not many people in the world are good at attribution. I know this post lacks real evidence and is mostly based on speculation.

Let's start with the main facts we know about the WADA hack, in chronological order:

1. Some point in time (August - September 2016), the WADA database has been hacked and exfiltrated

2. August 15th, "WADA has alerted their stakeholders that email phishing scams are being reported in connection with WADA and therefore asks its recipients to be careful" https://m.paralympic.org/news/wada-warns-stakeholders-phishing-scams
3. September 1st, the fancybear.net domain has been registered

   Domain Name: FANCYBEAR.NET
   ...
   Updated Date: 18-sep-2016
   Creation Date: 01-sep-2016

4. The content of the WADA hack has been published on the website
5. The @FancyBears and @FancyBearsHT Twitter accounts have been created and started to tweet on 12th September, reaching out to journalists
6. 12th September, Western media started headlines "Russia hacked WADA"

7. The leaked documents have been altered, states WADA https://www.wada-ama.org/en/media/news/2016-10/cyber-security-update-wadas-incident-response

The Threatconnect analysis

The only technical analysis on why Russia was behind the hack, can be read here: https://www.threatconnect.com/blog/fancy-bear-anti-doping-agency-phishing/

After reading this, I was able to collect the following main points:

It is Russia because Russian APT groups are capable of phishing
It is Russia because the phishing site "wada-awa[.]org was registered and uses a name server from ITitch[.]com, a domain registrar that FANCY BEAR actors recently used"
It is Russia because "Wada-arna[.]org and tas-cass[.]org were registered through and use name servers from Domains4bitcoins[.]com, a registrar that has also been associated with FANCY BEAR activity."
It is Russia, because "The registration of these domains on August 3rd and 8th, 2016 are consistent with the timeline in which the WADA recommended banning all Russian athletes from the Olympic and Paralympic games."
It is Russia, because "The use of 1&1 mail.com webmail addresses to register domains matches a TTP we previously identified for FANCY BEAR actors."

There is an interesting side-track in the article, the case of the @anpoland account. Let me deal with this at the end of this post.

My problem with the above points is that all five flag was publicly accessible to anyone as TTP's for Fancy Bear. And meanwhile, all five is weak evidence. Any script kittie in the world is capable of both hacking WADA and planting these false-flags.

A stronger than these weak pieces of evidence would be:

Malware sharing same code attributed to Fancy Bear (where the code is not publicly available or circulating on hackforums)
Private servers sharing the IP address with previous attacks attributed to Fancy Bear (where the server is not a hacked server or a proxy used by multiple parties)
E-mail addresses used to register the domain attributed to Fancy Bear
Many other things

For me, it is quite strange that after such great analysis on Guccifer 2.0, the Threatconnect guys came up with this low-value post.

The fancybear website

It is quite unfortunate that the analysis was not updated after the documents have been leaked. But let's just have a look at the fancybear . net website, shall we?

Now the question is, if you are a Russian state-sponsored hacker group, and you are already accused of the hack itself, do you create a website with tons of bears on the website, and do you choose the same name (Fancy Bear) for your "Hack team" that is already used by Crowdstrike to refer to a Russian state-sponsored hacker group? Well, for me, it makes no sense. Now I can hear people screaming: "The Russians changed tactics to confuse us". Again, it makes no sense to change tactics on this, while keeping tactics on the "evidence" found by Threatconnect.

It makes sense that a Russian state-sponsored group creates a fake persona, names it Guccifer 2.0, pretends Guccifer 2.0 is from Romania, but in the end it turns out Guccifer 2.0 isn't a native Romanian speaker. That really makes sense.

What happens when someone creates this fancybear website for leaking the docs, and from the Twitter account reaches out to the media? Journalists check the website, they see it was done by Fancy Bear, they ~~Bing~~ Google this name, and clearly see it is a Russian state-sponsored hacker group. Some journalists also found the Threatconnect report, which seems very convincing for the first read. I mean, it is a work of experts, right? So you can write in the headlines that the hack was done by the Russians.

Just imagine an expert in the USA or Canada writing in report for WADA:
"the hack was done by non-Russian, but state-sponsored actors, who planted a lot of false-flags to accuse the Russians and to destroy confidence in past and future leaks". Well, I am sure this is not a popular opinion, and whoever tries this, risks his career. Experts are human, subject to all kinds of bias.

The Guardian

The only other source I was able to find is from The Guardian, where not just one side (it was Russia) was represented in the article. It is quite unfortunate that both experts are from Russia - so people from USA will call them being not objective on the matter. But the fact that they are Russian experts does not mean they are not true ...

https://www.theguardian.com/sport/2016/sep/15/fancy-bears-hackers--russia-wada-tues-leaks

Sergei Nikitin:
"We don't have this in the case of the DNC and Wada hacks, so it's not clear on what basis conclusions are being drawn that Russian hackers or special services were involved. It's done on the basis of the website design, which is absurd," he said, referring to the depiction of symbolically Russian animals, brown and white bears, on the "Fancy Bears' Hack Team" website.

I don't agree with the DNC part, but this is not the topic of conversation here.

Alexander Baranov:
"the hackers were most likely amateurs who published a "semi-finished product" rather than truly compromising information. "They could have done this more harshly and suddenly," he said. "If it was [state-sponsored] hackers, they would have dug deeper. Since it's enthusiasts, amateurs, they got what they got and went public with it.""

The @anpoland side-track

First please check the tas-cas.org hack https://www.youtube.com/watch?v=day5Aq0bHsA , I will be here when you finished it. This is a website for "Court of Arbitration for Sport's", and referring to the Threatconnect post, "CAS is the highest international tribunal that was established to settle disputes related to sport through arbitration. Starting in 2016, an anti-doping division of CAS began judging doping cases at the Olympic Games, replacing the IOC disciplinary commission." Now you can see why this attack is also discussed here.

My bet is that this machine was set-up for these @anpoland videos only. Whether google.ru is a false flag or it is real, hard to decide. It is interesting to see that there is no google search done via google.ru, it is used only once.
The creator of the video can't double click. Is it because he has a malfunctioning mouse? Is it because he uses a virtualization console, which is near-perfect OPSEC to hide your real identity? My personal experience is that using virtualization consoles remotely (e.g. RDP) has very similar effects to what we can see on the video.
The timeline of the Twitter account is quite strange, registered in 2010
I agree with the Threatconnect analysis that this @anpoland account is probably a faketivist, and not an activist. But who is behind it, remains a mystery.
Either the "activist" is using a whonix-like setup for remaining anonymous, or a TOR router (something like this), or does not care about privacy at all. Looking at the response times (SQLmap, web browser), I doubt this "activist" is behind anything related to TOR. Which makes no sense for an activist, who publishes his hack on Youtube. People are stupid for sure, but this does not add up. It makes sense that this was a server (paid by bitcoins or stolen credit cards or whatever) rather than a home computer.

For me, this whole @anpoland thing makes no sense, and I think it is just loosely connected to the WADA hack.

The mysterious Korean characters in the HTML source

There is another interesting flag in the whole story, which actually makes no sense. When the website was published, there were Korean characters in HTML comments.

https://web.archive.org/web/20160913013727/http://fancybear.net/

When someone pointed this out on Twitter, these Korean HTML comments disappeared:

https://web.archive.org/web/20160914231209/http://www.fancybear.net/

These HTML comments look like generated HTML comments, from a WYSIWYG editor, which is using the Korean language. Let me know if you can identify the editor.

The Russians are denying it

Well, what choice they have? It does not matter if they did this or not, they will deny it. And they can't deny this differently. Just imagine a spokesperson: "Previously we have falsely denied the DCC and DNC hacks, but this time please believe us, this wasn't Russia." Sounds plausible ...

Attribution

Let me sum up what we know:

It makes sense that the WADA hack was done by Russia, because:

Russia being almost banned from the Olympics due to doping scandal, it made sense to discredit WADA and US Olympians
There are multiple(weak) pieces of evidence which point to Russia

It makes sense that the WADA hack was not done by Russia, because:

By instantly attributing the hack to the Russians, the story was more about to discredit Russia than discrediting WADA or US Olympians.
In reality, there was no gain for Russia for disclosing the documents. Nothing happened, nothing changed, no discredit for WADA. Not a single case turned out to be illegal or unethical.
~~Altering the leaked documents makes no sense if it was Russia~~ (see update at the end). Altering the leaked documents makes a lot of sense if it was not Russia. Because from now on, people can always state "these leaks cannot be trusted, so it is not true what is written there". It is quite cozy for any US organization, who has been hacked or will be hacked. If you are interested in the "Russians forging leaked documents" debate, I highly recommend to start with this The Intercept article
If the Korean characters were false flags planted by the Russians, why would they remove it? If it had been Russian characters, I would understand removing it.
All evidence against Russia is weak, can be easily forged by even any script kittie.

I don't like guessing, but here is my guess. This WADA hack was an operation of a (non-professional) hackers-for-hire service, paid by an enemy of Russia. The goal was to hack WADA, leak the documents, modify some contents in the documents, and blame it all on the Russians ...

Questions and answers

Was Russia capable of doing this WADA hack? Yes.
Was Russia hacking WADA? Maybe yes, maybe not.
Was this leak done by a Russian state-sponsored hacker group? I highly doubt that.
Is it possible to buy an attribution-dice where all six-side is Russia? No, it is sold-out.

To quote Patrick Gray: "Russia is the new China, and the Russians ate my homework."©

Let me know what you think about this, and please comment.

Update: As TheGrugq pointed out, Guccifer has been found to alter documents https://www.reddit.com/r/EnoughTrumpSpam/comments/4uyih3/russian_hackers_altered_emails_before_release_to/?st=IUJDLSIE&sh=e195e908

Structure Part I: The Basics

Today we are going to go through Structures from defining structures to using structures.
Structures are just a collection of different types under one roof (you can even put one type only!). So that means they give you flexibility of grouping different data types (like int, char, or even char[]) under one name.
So let us start with obviously defining a Structure. In `C` we declare a structure as simply as this:-
struct dob {
    int day;
    int month;
    int year;};
1: In the above code segment struct is a keyword which defines structure.
2: Followed by struct keyword (dob) is the name of our structure.
3: Elements of struct are defined inside braces '{}' as we did (int day; etc).
4: After ending brace we place a terminator ';' to end the declaration.
So now you know how to define a structure but how to create its instances now?
To create a variable of our structure we just need to do this:
struct dob date;
This now declares date as a structure variable of type dob.
1: Here 'struct dob' is our above declared structure.
2: date is a variable of type dob.
So ok we have a structure and a variable of that type but how can i access its parts?
well we can access it and assign it so simply like this:-
date.day = 19;date.month = 10;date.year = 1990;
Note here we use the dot (.) operator to access the fields (parts) of our structure.
ok everything looks nice so for but how in the world can i read data into this structure variable? Again no worries its again simple:-
scanf("%d", &date.day);scanf("%d", &date.month);
that was pretty easy but I was wondering how can i print its data?
Just do it like this:-
printf("Day: %d", date.day);printf("Month: %d",date.month);printf("Year: %d", date.year);
Again remember we use dot (.) operator to access members of a structure.
So we now know how to define and declare a structure, how to access its members, how to read data in it, and how to print data of a structure. Oh that was a tough job..!
Now let us put it together in a single C Program.

/***********************************************/
#include <stdio.h>
struct dob {
   int day;
   int month;
   int year;
};
int main(void) {
struct dob date;
date.day = 19;
date.month = 10;
date.year = 1990;
printf("Day is : %d, Month is: %d, and Year is %d\n",
           date.day,date.month, date.year);
printf("Enter Day, Month, and Year separated by spaces: ");
scanf("%d %d %d", &date.day,&date.month,&date.year);
printf("Your entered Date is: %d/%d/%d",
date.day,date.month,date.year);
return 0;
}

Output:
Day is : 19, Month is: 10, and Year is 1990
Enter Day, Month, and Year separated by spaces: 1 1 2014
Your entered Date is: 1/1/2014

Related links

Collection Of Pcap Files From Malware Analysis

Update: Feb 19. 2015

We have been adding pcaps to the collection so remember to check out the folder ( Pcap collection) for the recent pcaps.

I had a project to test some malicious and exploit pcaps and collected a lot of them (almost 1000) from various public sources. You can see them in the PUBLIC folder. The credits go to the authors of the pcaps listed in the name of each file. Please visit their blogs and sites to see more information about the pcaps, see their recent posts, and send them thanks. The public pcaps have no passwords on them.

Update:Dec 13. 2014

Despite rare updates of this post, we have been adding pcaps to the collection so remember to check out the folder ( Pcap collection (New link)) for the recent pcaps!

Update:Dec 31. 2013 - added new pcaps

I did some spring cleaning yesterday and came up with these malware and exploit pcaps. Such pcaps are very useful for IDS and signature testing and development, general education, and malware identification. While there are some online public sandboxes offering pcaps for download like Cuckoo or Anubis but looking for them is a tedious task and you cannot be totally sure the pcap is for the malware family supposedly analysed - in other words, if the sandbox says it is Zeus does not necessarily mean that it is.

I found some good pcap repositories here (http://www.netresec.com/?page=PcapFiles) but there are very few pcaps from malware.

These are from identified and verified (to the best of my knowledge and belief - email me if you find errors) malware samples.

All of them show the first stage with the initial callback and most have the DNS requests as well. A few pcaps show extended malware runs (e.g. purplehaze pcap is over 500mb).
Most pcaps are mine, a few are from online sandboxes, and one is borrowed from malware.dontneedcoffee.com. That said, I can probably find the corresponding samples for all that have MD5 listed if you really need them. Search contagio, some are posted with the samples.

Each file has the following naming convention:
BIN [RTF, PDF] - the filetype of the dropper used, malware family name, MD5, and year+month of the malware analysis.

I will be adding more pcaps in the future. Please donate your pcaps from identified samples, I am sure many of you have.

Thank you

Download

Download all together or separately.

All pcaps archives have the same password (same scheme), email me if you need it. I tried posting it without any passwords and pass infected but they get flagged as malware. Modern AV rips though zips and zips with the pass 'infected' with ease.

APT PCAPS

Download all together or separately.

2012-12-31 BIN_Xinmic_8761F29AF1AE2D6FACD0AE5F487484A5-pcap
2013-09-08 BIN_TrojanPage_86893886C7CBC7310F7675F4EFDE0A29-pcap
2013-09-08 BIN_Darkcomet_DC98ABBA995771480AECF4769A88756E-pcap
2013-09-02 8202_tbd_ 6D2C12085F0018DAEB9C1A53E53FD4D1-pcap
2013-09-02 BIN_8202_6d2c12085f0018daeb9c1a53e53fd4d1-pcap
2013-09-02 BIN_Vidgrab_6fd868e68037040c94215566852230ab-pcap
2013-09-02 BIN_PlugX_2ff2d518313475a612f095dd863c8aea-pcap
2013-09-02 BIN_Taidoor_46ef9b0f1419e26f2f37d9d3495c499f-pcap
2013-09-02 BIN_Vidgrab_660709324acb88ef11f71782af28a1f0-pcap
2013-09-02 BIN_Gh0st-gif_f4d4076dff760eb92e4ae559c2dc4525-pcap.zip
2013-07-15 BIN_Taleret.E_5328cfcb46ef18ecf7ba0d21a7adc02c.pcap
2013-05-14 BIN_Mediana_0AE47E3261EA0A2DBCE471B28DFFE007_2012-10.pcap
2013-05-14 BIN_Hupigon_8F90057AB244BD8B612CD09F566EAC0C
2013-05-14 BIN_LetsGo_yahoosb_b21ba443726385c11802a8ad731771c0_2011-07-19
2013-05-13 BIN_IXESHE_0F88D9B0D237B5FCDC0F985A548254F2-2013-05-pcap
2013-05-06 BIN_DNSWatch_protux_4F8A44EF66384CCFAB737C8D7ADB4BB8_2012-11-pcap
2013-05-06 BIN_9002_D4ED654BCDA42576FDDFE03361608CAA_2013-01-30-pcap
2013-05-06 BIN_BIN_RssFeeder_68EE5FDA371E4AC48DAD7FCB2C94BAC7-2012-06-pcap (not a common name, see the traffic ssheet http://bit.ly/maltraffic )
2013-04-30 BIN_MSWab_Yayih_FD1BE09E499E8E380424B3835FC973A8_us-pcap
2013-04-29 BIN_LURK_AF4E8D4BE4481D0420CCF1C00792F484_20120-10-pcap
2013-04-29 BIN_XTremeRAT_DAEBFDED736903D234214ED4821EAF99_2013-04-13-pcap
BIN_Enfal_Lurid_0fb1b0833f723682346041d72ed112f9_2013-01.pcap
BIN_Gh0st_variant-v2010_B1D09374006E20FA795B2E70BF566C6D_2012-08.pcap
BIN_Likseput_E019E37F19040059AB5662563F06B609_2012-10.pcap
BIN_Nettravler_1f26e5f9b44c28b37b6cd13283838366.pcap
BIN_Nettravler_DA5832657877514306EDD211DEF61AFE_2012-10.pcap
BIN_Sanny-Daws_338D0B855421867732E05399A2D56670_2012-10.pcap
BIN_Sofacy_a2a188cbf74c1be52681f998f8e9b6b5_2012-10.pcap
BIN_Taidoor_40D79D1120638688AC7D9497CC819462_2012-10.pcap
BIN_TrojanCookies_840BD11343D140916F45223BA05ABACB_2012_01.pcap
PDF_CVE-2011-2462_Pdf_2011-12.pcap
RTF_Mongall_Dropper_Cve-2012-0158_C6F01A6AD70DA7A554D48BDBF7C7E065_2013-01.pcap
OSX_DocksterTrojan.pcap

CRIMEWARE PCAPS

Download all together or separately.

2013-11-12_BIN_ChePro_2A5E5D3C536DA346849750A4B8C8613A-1.pcap
2013-10-15_BIN_cryptolocker_9CBB128E8211A7CD00729C159815CB1C.pcap
2013-09-20_BIN_Lader-dlGameoverZeus_12cfe1caa12991102d79a366d3aa79e9.pcap
2013-09-08 BIN_Tijcont_845B0945D5FE0E0AAA16234DC21484E0-pcap
2013-09-08 BIN_Kelihos_C94DC5C9BB7B99658C275B7337C64B33-pcap.zip
2013-08-19 BIN_Nitedrem_508af8c499102ad2ebc1a83fdbcefecb-pcap
2013-08-17 BIN_sality_CEAF4D9E1F408299144E75D7F29C1810-pcap
2013-08-15 BIN_torpigminiloader-pcap.zip
2013-13-08 EK_popads_109.236.80.170_2013-08-13.pcap
2013-11-08 BIN_Alinav5.3_4C754150639AA3A86CA4D6B6342820BE.pcap
2013-08-08 BIN_BitcoinMiner_F865C199024105A2FFDF5FA98F391D74-pcap
2013-08-07 BIN_ZeroAccess_Sirefef_C2A9CCC8C6A6DF1CA1725F955F991940_2013-08-pcap
2013-07-05 BIN_Kuluoz-Asprox_9F842AD20C50AD1AAB41F20B321BF84B
2013-05-31 Wordpress-Mutopy_Symmi_20A6EBF61243B760DD65F897236B6AD3-2pcap.pcap
2013-05-15 BIN_Zeus_b1551c676a54e9127cd0e7ea283b92cc-2012-04.pcap
2013-05-15 BIN_Gypthoy_3EE49121300384FF3C82EB9A1F06F288-2013-05.pcap
2013-05-12 BIN_PassAlert_B4A1368515C6C39ACEF63A4BC368EDB2-2013-05-13
2013-05-12 BIN_HorstProxy_EFE5529D697174914938F4ABF115F762-2013-05-13-pcap
2013-05-12 BIN_Bitcoinminer_12E717293715939C5196E604591A97DF-2013-05-12-pcap
2013-05-07 BIN_ZeroAccess_Sirefef_29A35124ABEAD63CD8DB2BBB469CBC7A_2013-05-pcapc
2013-05-05 BIN_PowerLoader_4497A231DA9BD0EEA327DDEC4B31DA12_2013-05-pcap
2013-05-05 BIN_GameThief_ECBA0FEB36F9EF975EE96D1694C8164C_2013-03-pcap
2013-05-05 BIN_PowerLoader_4497A231DA9BD0EEA327DDEC4B31DA12_2013-05-pcap
2013-04-27 EK_BIN_Blackhole_leadingto_Medfos_0512E73000BCCCE5AFD2E9329972208A_2013-04-pcap
2013-04-26 -- BIN_Citadel_3D6046E1218FB525805E5D8FDC605361-2013-04-samp
BIN_CitadelPacked_2012-05.pcap
BIN_CitadelUnpacked_2012-05.pcap
BIN_Cutwail_284Fb18Fab33C93Bc69Ce392D08Fd250_2012-10.pcap
BIN_Darkmegi_2012-04.pcap
BIN_DarknessDDoS_v8g_F03Bc8Dcc090607F38Ffb3A36Ccacf48_2011-01.pcap-
BIN_dirtjumper_2011-10.pcap
BIN_DNSChanger_2011-12.pcap
BIN_Drowor_worm_0f015bb8e2f93fd7076f8d178df2450d_2013-04.pcap
BIN_Googledocs_macadocs_2012-12.pcap
BIN_Imaut_823e9bab188ad8cb30c14adc7e67066d.pcap
BIN_IRCbot_c6716a417f82ccedf0f860b735ac0187_2013-04.pcap
BIN_Kelihos_aka_Nap_0feaaa4adc31728e54b006ab9a7e6afa.pcap
BIN_LoadMoney_MailRu_dl_4e801b46068b31b82dac65885a58ed9e_2013-04 .pcap
BIN_purplehaze-2012-01.pcap
BIN_ponyloader_470a6f47de43eff307a02f53db134289.pcap
BIN_Ramnitpcap_2012-01.pcap
BIN_Reedum_0ca4f93a848cf01348336a8c6ff22daf_2013-03.pcap
BIN_SpyEye_2010-02.pcap
BIN_Stabuniq_F31B797831B36A4877AA0FD173A7A4A2_2012-12.pcap
BIN_Tbot_23AAB9C1C462F3FDFDDD98181E963230_2012-12.pcap
BIN_Tbot_2E1814CCCF0C3BB2CC32E0A0671C0891_2012-12.pcap
BIN_Tbot_5375FB5E867680FFB8E72D29DB9ABBD5_2012-12.pcap
BIN_Tbot_A0552D1BC1A4897141CFA56F75C04857_2012-12.pcap
BIN_Tbot_FC7C3E087789824F34A9309DA2388CE5_2012-12.pcap
BIN_Tinba_2012-06.pcap
BIN_Vobfus_634AA845F5B0B519B6D8A8670B994906_2012-12.pcap
BIN_Xpaj_2012-05.pcap
BIN_ZeroAccess_3169969E91F5FE5446909BBAB6E14D5D_2012-10.pcap
BIN_ZeusGameover_2012-02.pcap
BIN_Zeus_2010-12.pcap
EK_Blackholev1_2012-03.pcap
EK_Blackholev1_2012-08.pcap
EK_Blackholev2_2012-09.pcap
EK_Blackhole_Java_CVE-2012-4681_2012-08.pcap
EK_Phoenix_2012-04.pcap
EK_Smokekt150(Malwaredontneedcoffee)_2012-09.pcap - credit malware.dontneedcoffee.com

Related word

Top System Related Commands In Linux With Descriptive Definitions

Commands are just like an instructions given to a system to do something and display an output for that instruction. So if you don't know how to gave an order to a system to do a task then how it can do while you don't know how to deal with. So commands are really important for Linux users. If you don't have any idea about commands of Linux and definitely you also don't know about the Linux terminal. You cannot explore Linux deeply. Because terminal is the brain of the Linux and you can do everything by using Linux terminal in any Linux distribution. So, if you wanna work over the Linux distro then you should know about the commands as well.
In this blog you will get a content about commands of Linux which are collectively related to the system. That means if you wanna know any kind of information about the system like operating system, kernel release information, reboot history, system host name, ip address of the host, current date and time and many more.

Note:

If you know about the command but you don't have any idea to use it. In this way you just type the command, then space and then type -h or --help or ? to get all the usage information about that particular command like "uname" this command is used for displaying the Linux system information. You don't know how to use it. Just type the command with help parameter like: uname -h or uname --help etc.

uname

The "uname" is a Linux terminal command responsible of displaying the information about Linux system. This command has different parameter to display a particular part of information like kernel release (uname -r) or all the information displayed by typing only one command (uname -a).

uptime

This command is used to show how long the system has been running and how much load on it at current state of the CPU. This command is very useful when you system slows down or hang etc and you can easily get the info about the load on the CPU with the help of this command.

hostname

The "hostname" is the the command in Linux having different parameters to display the information bout the current host which is running the kernel at that time. If you wanna know about the parameters of hostname command then you just type hostname --help or hostname -h to get all the info about the command and the usage of the command.

last reboot

The "last reboot" is the command in Linux operating system used to display the reboot history. You just have to type this command over the Linux terminal it will display the reboot history of that Linux system.

date

The "date" is the command used in Linux operating system to show the date of the day along with the current time of the day.

cal

The "cal" command in Linux used to display the calendar which has the current date highlighted with a square box along with a current month dates and days just like a real calendar.

w

The "w" is the command used in Linux distro for the sake of getting the information about current user. If you type this command it will display who is online at the time.

whoami

The "whoami" is the command in Linux operating system used to show the information that who you are logged in as. For example if you are logged in as a root then it'll display "root" etc.

finger user

The "finger user" is the command used in Linux distribution to display the information about user which is online currently over that Linux system.

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What is Bug Bounty ?

A bug bounty program, also called a vulnerability rewards program (VRP), is a crowdsourcing initiative that rewards individuals for discovering and reporting software bugs. Bug bounty programs are often initiated to supplement internal code audits and penetration tests as part of an organization's vulnerability management strategy.

Many software vendors and websites run bug bounty programs, paying out cash rewards to software security researchers and white hat hackers who report software vulnerabilities that have the potential to be exploited. Bug reports must document enough information for for the organization offering the bounty to be able to reproduce the vulnerability. Typically, payment amounts are commensurate with the size of the organization, the difficulty in hacking the system and how much impact on users a bug might have.

Mozilla paid out a $3,000 flat rate bounty for bugs that fit its criteria, while Facebook has given out as much as $20,000 for a single bug report. Google paid Chrome operating system bug reporters a combined $700,000 in 2012 and Microsoft paid UK researcher James Forshaw $100,000 for an attack vulnerability in Windows 8.1. In 2016, Apple announced rewards that max out at $200,000 for a flaw in the iOS secure boot firmware components and up to $50,000 for execution of arbitrary code with kernel privileges or unauthorized iCloud access.

While the use of ethical hackers to find bugs can be very effective, such programs can also be controversial. To limit potential risk, some organizations are offering closed bug bounty programs that require an invitation. Apple, for example, has limited bug bounty participation to few dozen researchers.

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Top System Related Commands In Linux With Descriptive Definitions

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uname

uptime

hostname

last reboot

date

cal

w

whoami

finger user

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