Malvertising campaign on PornHub and other top adult brands exposes users to tech support scams

Threat actors involved in tech support scams have been running a browser locker campaign from November 2020 until February 2021 on the worlds largest adult platforms including PornHub. The same group behind this campaign has been active for much longer and we believe is tied to previous schemes...

Russian APT28 Hackers Using COVID-19 as Bait to Deliver Zebrocy Malware

A Russian threat actor known for its malware campaigns has reappeared in the threat landscape with yet another attack leveraging COVID-19 as phishing lures, once again indicating how adversaries are adept at repurposing the current world events to their advantage. Linking the operation to a...

Attackers Target Porn Site Goers in ‘Malsmoke’ Zloader Attack

Cybercriminals are tricking adult website visitors – including sites such as bravoporn.com and xhamster.com – in malvertising attacks that redirect victims to malicious websites serving up malware. The campaign, which is part of a larger malvertising effort dubbed “malsmoke”, has been tracked...

Deception Technology: No Longer Only A Fortune 2000 Solution

A cyber-attacker successfully breaks into your environment and begins sneaking around to find something valuable - intellectual property, bank account credentials, company plans, whatever. The attacker makes his way to a certain host on a network node to browse the directories, and suddenly, his...

New LNK attack tied to Higaisa APT discovered

This post was authored by Hossein Jazi and Jérôme Segura On May 29th, we identified an attack that we believe is part of a new campaign from an Advanced Persistent Threat actor known as Higaisa. The Higaisa APT is believed to be tied to the Korean peninsula, and was first disclosed by Tencent...

COVID-Themed Lures Target SCADA Sectors With Data Stealing Malware

A new malware campaign has been found using coronavirus-themed lures to strike government and energy sectors in Azerbaijan with remote access trojans RAT capable of exfiltrating sensitive documents, keystrokes, passwords, and even images from the webcam. The targeted attacks employ Microsoft Word...

APT36 Taps Coronavirus as 'Golden Opportunity' to Spread Crimson RAT

A Pakistani-linked threat actor, APT36, has been using a decoy health advisory that taps into global panic around the coronavirus pandemic to spread the Crimson RAT. The functionalities of the Crimson RAT include stealing credentials from victims’ browsers, capturing screenshots, collecting...

Rocket Loader skimmer impersonates CloudFlare library in clever scheme

Update: The digital certificate issued for https.ps has been revoked by GlobalSign. Fraudsters are known for using social engineering tricks to dupe their victims, often times by impersonating authority figures to instill trust. In a recent blog post, we noted how criminals behind Magecart skimme...

Recipe for success: tech support scammers zero in via paid search

Tech support scammers are known for engaging in a game of whack-a-mole with defenders. Case in point, last month there were reports that crooks had invaded Microsoft Azure Cloud Services to host fake warning pages, also known as browser lockers. In this blog, we take a look at one of the top...

Government Sector in Central Asia Targeted With New HAWKBALL Backdoor Delivered via Microsoft Office Vulnerabilities

FireEye Labs recently observed an attack against the government sector in Central Asia. The attack involved the new HAWKBALL backdoor being delivered via well-known Microsoft Office vulnerabilities CVE-2017-11882 and CVE-2018-0802. HAWKBALL is a backdoor that attackers can use to collect...

“Funky malware format” found in Ocean Lotus sample

Recently, at the SAS conference I talked about "Funky malware formats"—atypical executable formats used by malware that are only loaded by proprietary loaders. Malware authors use them in order to make static detection more difficult, because custom formats are not recognized as executable by AV...

Cybercriminals Have a Heyday with WinRAR Bug in Fresh Campaigns

A recently discovered vulnerability in the WinRAR file archival utility has been exploited in a slew of new campaigns, including one with a never-before-seen payload. The flurry of activity shows no sign of waning as cybercriminals continue to find success exploiting the bug. The campaigns take...

WinRAR Zero-day Abused in Multiple Campaigns

WinRAR, an over 20-year-old file archival utility used by over 500 million users worldwide, recently acknowledged a long-standing vulnerability in its code-base. A recently published path traversal zero-day vulnerability, disclosed in CVE-2018-20250 by Check Point Research, enables attackers to...

TAU Threat Intelligence Notification: Operation SharpShooter

Operation Sharpshooter, leverages an embedded shellcode as an in-memory implant to download and retrieve a second-stage implant, which is known as Rising Sun. Rising Sun uses source code from the Duuzer backdoor that has been used in a past campaign of Lazarus group. This newly discovered campaig...

WinRAR 5.61 - Path Traversal

!/usr/bin/env python3 import os import re import zlib import binascii The archive filename you want rarfilename = "test.rar" The evil file you want to run evilfilename = "calc.exe" The decompression path you want, such shown below targetfilename = r"C:\C:C:../AppData\Roaming\Microsoft\Windows\Sta...

New Malware Family Uses Custom UDP Protocol for C&C Communications

Security researchers have uncovered a new highly-targeted cyber espionage campaign, which is believed to be associated with a hacking group behind KHRAT backdoor Trojan and has been targeting organizations in South East Asia. According to researchers from Palo Alto, the hacking group, which they...

New Malware Family Uses Custom UDP Protocol for C&C Communications

Security researchers have uncovered a new highly-targeted cyber espionage campaign, which is believed to be associated with a hacking group behind KHRAT backdoor Trojan and has been targeting organizations in South East Asia. According to researchers from Palo Alto, the hacking group, which they...

DejaVU - Open Source Deception Framework

Deception techniques if deployed well can be very effective for organizations to improve network defense and can be a useful arsenal for blue teams to detect attacks at very early stage of cyber kill chain. But the challenge we have seen is deploying, managing and administering decoys across larg...

Open Source Deception Framework: DejaVU

Deception techniques if deployed well can be very effective for organizations to improve network defense and can be a useful arsenal for blue teams to detect attacks at very early stage of cyber kill chain. But the challenge we have seen is deploying, managing and administering decoys across larg...

[SECURITY] Fedora 27 Update: nmap-7.60-8.fc27

Nmap is a utility for network exploration or security auditing. It supports ping scanning determine which hosts are up, many port scanning techniques determine what services the hosts are offering, and TCP/IP fingerprinting remote host operating system identification. Nmap also offers flexible ta...