Spam is the use of electronic messaging systems (including most broadcast media, digital delivery systems) to send unsolicited bulk messages indiscriminately.

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How to know which extension or software is causing ads in Chrome? [closed]

Starting yesterday, I noticed that something weird is going on with my laptop. After unlocking my laptop I found that the empty Chrome pages that I opened are getting redirected to ads. I am running ...
2
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1answer
91 views

Why are packets constantly being sent to international ISPs?

When using a packet sniffer, I notice a lot of packets being sent to a bunch of ISPs (such as axion.ca, wanadoo.fr/orange?, bresnan.net, zebra.lt) usually all at the same time. Here's a screenshot of ...
3
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2answers
175 views

Is it appropriate to block a sender's email address

This morning I received a mail from Apple suspension UK <do_not_reply@apple.co.uk> with the subject Apple "Unauthorised transaction alert". The mail was sent to one of my company's distribution ...
5
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1answer
146 views

What are the point of these gibberish comments?

On this site there are comments such as: ÃÊÁ ¹67 Èìåíè Âîðîõîáîâà â Ìîñêâå (Ãîðîäñêîé äåïàðòàìåíò çäðàâîîõðàíåíèÿ) ïî ïðàâó íà -ñåãîäíÿøíèé äåíü ñ÷èòàåòñÿ êðóïíåéøèì âðà÷åáíûì çàâåäåíèåì ãîðîäà ...
64
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2answers
10k views

What is the purpose of these weird non-spam emails?

A mail made it through the spam filter and i wonder what the purpose is. It is not spam. Tracking? But how? Who? and why? In the source code there are this weird passages like ... =EA=85=9F ...
7
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2answers
6k views

Yahoo mail hacked - how to recover, how did it happen and how to prevent?

I was yesterday informed by some friends that they received spam mails with my name as sender. The sender addresses look like firstnamelastname@spacepc.pt and firstnamelastname@revistaplot.com with ...
2
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0answers
38 views

How should end users respond to Earthlink's “Allowed Sender” feature when blocked by policy?

Some of our users are requested to click on an Earthlink antispam URL below https://webmail.pas.earthlink.net/wam/addme?a=USERNAME@earthlink.net&id=<SOME GUID> However our firewall ...
1
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2answers
126 views

How to deal with SMS spam? [closed]

Every few weeks, I get an annoying SMS trying to sell me something, or trying to get me to click something, or otherwise spamming me. I don't think it's a targeted thing- I think my phone number is ...
3
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3answers
142 views

Email injection in simple terms?

Can someone explain why spammers use email injection? I am a victim and was wondering if there was any other malicious point besides annoying me and filling up my e-mail?
2
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1answer
57 views

Website Spam Bots In Google Analytics

I had a website URL which was getting around 60 hits a day from typical spam suspects like buttons-for-websites & ***.semalt, etc, etc. So I decided that when I changed my hosting account I would ...
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0answers
152 views

Why is my website getting spammed?

Does anyone recognize this type of spam? NAME: Bagas EMAIL: dq95zxm7l@gmail.com PHONE: JCBUIR6ulwtO COMMENTS: I must express apaotcipeirn to the writer for bailing me out of this particular ...
71
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8answers
8k views

Unsubscribe safely

I have heard that is better to never click to any link in an email. Is it a bad idea to click to a unsubscribe link? What is the best way to unsubscribe to undesired mails?
2
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2answers
340 views

PHP hack base64 code uploaded and sending mass emails

cPanel server with Exim MTA and Dovecot. Some hacker is finding old scripts at different users public directory, and uploading base64 encoded files then using it to send massive spam. How do I block ...
2
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4answers
306 views

How can I stop an IP from trying to use my mail server?

I have recently set up my first email server, and I look at the logs in /var/logs/mail.log to see what is happening, I notice this one IP does this multiple times every day for the last so many weeks ...
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1answer
557 views

Offline malware / script scanner for webfiles (PHP and HTML) [closed]

I have downloaded an entire copy of a website that has been used as a spam relay. I think I have tracked down the problem to a loophole in a contact form (now closed, but was not used, but still ...
1
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0answers
193 views

How is Facebook Spam/Hacks Achieved? [closed]

Recently a handful of my Facebook friends flew off the handle screaming about how horribly they had been "hacked" and how scary it was and etc. It was my view that most of these "hacks" were simply ...
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4answers
6k views

What does this malicious PHP script do? [closed]

Somebody hacked my site and uploaded this script (template46.php) to my webroot and its content is: <?php $vIIJ30Y = Array('1'=>'F', '0'=>'j', '3'=>'s', '2'=>'l', '5'=>'M', ...
4
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2answers
373 views

Pawn in a nefarious porn marketing campaign?

About a month ago we upgraded (maybe not the right term) our site to WordPress. In that time we went from about 3800 inbound links (according to Google WebMaster) to about 5000. We exported our list ...
2
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2answers
237 views

Wordpress blog hacked?

There is a Wordpress blog running on Wordpress 4.0. Anyone having the company webmail can signup to the blog using their Google+ account and submit blog posts. Once posted they will be sent to some ...
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2answers
80 views

Dealing with Spam with an unkown party harvesting the email address [closed]

I have a situation where I keep receiving spam from several IT companies (solicitations, marketing etc.). I think I gave away my email to a company in the last couple of years for reading a white ...
6
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1answer
4k views

Weird visitor from Samara ----forum.topic5982…908.darodar.com? [closed]

I have seen this question asked about a user from Samara,Russia, and when I sifted through all the other occurances,everything everyone else is experiencing matched my experience, except for one ...
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5answers
315 views

How to analyze spam email URLs to detect exploits?

I'm receiving spam emails that, looking at the email headers, appear to be coming from a variety of computers around the planet. They're always the same type of email that contains invalid URLs inside ...
3
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1answer
1k views

My sendmail started sending spam; what is causing it to do so? [closed]

Today my sendmail service started sending e-mail to various addresses. /var/spool/mail: From MAILER-DAEMON@noxcommunity.com Fri Jan 30 22:15:30 2015 Return-Path: ...
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2answers
52 views

Does a random number after the login name in the public members section of a website increase security or privacy?

http://forum.example.com/users/username-3723484 vs http://forum.example.com/users/username where username is specific to each user, as is its salt. My hypothesis is that it makes it harder for ...
4
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1answer
145 views

Is this some kind of Bayesian poisoning?

So I've been reading my spam lately, and today I received this: To: my actual email, but with a name found here: tel2name.com (only hit on Google) Subject: one seemingly random excerpt of a web ...
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1answer
105 views

Is my account hacked? [closed]

I accidentally opened up a spam email in my junk folder. However I did not open up the attachment. Is my email and computer ok?
2
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3answers
468 views

Strange unsolicited email sent to almost never used email address

What initially looked like typical spam now seems extra odd and is bugging me (only figuratively I hope). Ostensibly, a sales rep from DomainNameSales.com (DNS), which I'd never heard of, sent an ...
3
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2answers
786 views

Suspecious js file sent as email attachment

I received a js file with following code in my spam folder but I decided to take a look into the file. Do anybody of you know what does this code might do? var evl='';function nr() { evl = '}; ' + ...
21
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4answers
3k views

Would 'spam' mail really avoid eavesdropping?

spammimic.com offers a service that 'encrypts' your mail as 'spam', the rationale being that all mail services automatically filter out spam, and so if you're wanting to communicate with someone ...
1
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0answers
54 views

Webistes listing email address lists for spammers [closed]

Which websites would you usually check if you suspect that your company's address book has been leaked and is being used by spammers? I have identified https://pwnedlist.com/ for this purpose but was ...
22
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3answers
3k views

How does Bayesian poisoning work?

This answer mentions Bayesian poisoning in passing and I've read the wikipedia page but don't feel I've fully grasped it. The first case, where a spammer sends a spam with a payload (link, malicious ...
2
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2answers
138 views

Attackers posting large HTML pages - just spam? or something more sinister?

More and more, lately - I've seen attackers posting complete HTML pages that seem to have nothing malicious - to php pages that aren't even listening to their POST (sometimes, it's a contact form, ...
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1answer
4k views

Is this email from Liliane Bettencourt a scam? [closed]

I received the following email from someone claiming to be the second-richest woman in the world, Liliane Bettencourt. I, Liliane authenticate this email, you can read about me on: ...
7
votes
1answer
2k views

How do I stop attack on my email id from hackers?

We have an email id, info@<ourdomain>.com This email id is being hacked frequently and mails are sent from this email id, Following is the example of one such email. From: ...
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1answer
214 views

How will Gmail be able to detect SPAM and display ads when emails are encrypted end-to-end?

Context Google is making end-to-end encryption easier to use. SPAM How will they be able to perform SPAM detection when the email is transmitted and stored encryptedly? I suppose that if the SPAM ...
27
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10answers
6k views

How to explain to a customer that spamfilters don't catch everything

I used to work in a small office which provided basic desktop support for users. One day I had to answer a call from a very angry customer and he asked for my boss. He wanted to know how could one ...
3
votes
1answer
88 views

Preventing users abusing emailing feature of web application

Our web application offers users with the option to bulk email a bunch of interesting information to multiple email addresses at once. It's fairly easy to register an account with the service and thus ...
0
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2answers
4k views

How to report abuse spam with X-AntiAbuse header which was added to track abuse?

I've received the following spam e-mail (with the link to viagra site): Return-Path: <silviani@server04.funet.co.il> Received: from server04.funet.co.il (server04.funet.co.il. [212.29.215.70]) ...
1
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1answer
384 views

What does proxyexec + cagefs.server mean in the e-mail X-Source-Args?

I've the following headers in the e-mail which I've received as spam: X-Source: X-Source-Args: /usr/sbin/proxyexec -q -d -s /var/run/proxyexec/cagefs.sock/socket /bin/cagefs.server X-Source-Dir: ...
4
votes
2answers
352 views

Human or Bot: Behind the Scene Checks vs CAPTCHA

I'm working on a web app at the moment where we’re trying to remove any user friction and excess steps from our user creation page. To avoid computer bots completely spamming our app we need to have a ...
0
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1answer
75 views

Trying to get control of spam? [closed]

Hopefully this question is deemed acceptable for this area of stackexchange. if not let me know what other site to use. Anyways i'm seeking advice on how you try to eliminate spam in your daily ...
4
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3answers
613 views

Using + for email addresses to find out who is selling your data: is it naive or is it effective?

It's pretty common among security-minded folks to fill in addresses using e.g. foo+company@gmail.com when disclosing their email address to company so that they can tell if company has sold their ...
5
votes
1answer
332 views

random-string spam probe messages?

For years, we've been receiving messages through our contact form in the following format: name: vlsyekcz email: jjthiy@toaagq.com subject: BdsQiWYlYo body: 2BLgIr <a ...
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2answers
83 views

What are the disadvantages to the site owner to have third parties e-mails displayed publicly?

I frequently have to remind my members not to post their e-mails due to spam bots. One of them told me he doesn't care about that since his spam filter is good enough. If I allow him to do that, are ...
0
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1answer
496 views

How to stop gmail spam after connecting to public wifi without VPN on Android?

About two weeks ago, I had to reply to an urgent email (gmail) on my Android phone with the Gmail app. Unfortunately, my VPN client refused to work that day (Private Internet Access Android Client), ...
0
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2answers
143 views

Does using unicode or (at) actually stop spambots?

I want to make my email address available on my website and I was wondering if there was any point in using the "(at) (dot)" convention these days. If I was writing a script to trawl for email ...
1
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1answer
1k views

How do botnets deliver spam? [closed]

I can't seem to find the answer to this question. I read that botnet bots are used as email relays (they have smtp servers installed). Wikipedia on Open mail relay: "(...)Internet initiatives to ...
5
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5answers
1k views

HTML Entities to hide Email Addresses

I'm on WordPress trying to keep spambots from grabbing email addresses that may be in The Content. WordPress has a nifty little function simply called antispambot() which will convert the email ...
0
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1answer
87 views

Email and Black Hole List Submission? [duplicate]

I'm having trouble with a spammer and would like to begin submitting their messages to a few black hole lists. Unfortunately, I'm having trouble finding a list. For example mail-abuse.org now ...
3
votes
1answer
254 views

My server was used for sending spam. Will our server ever be trusted again?

A while back I enabled SMTP on my IIS server with the intention of using it for internal email notifications. It seems that somehow hackers were able to use it for sending out thousands of spam ...