Highly Sophisticated Parasite RAT Emerges on the Dark Web

Researchers are tracking a remote access trojan RAT on underground markets that, so far, has only been attributed to one small malicious email campaign. However, the RAT, dubbed Parasite HTTP by the Proofpoint researchers that discovered it, has an impressive list of sophisticated features –...

CVE-2018-5532

On F5 BIG-IP 13.0.0, 12.1.0-12.1.2, 11.6.0-11.6.3.1, or 11.2.1-11.5.6 a domain name cached within the DNS Cache of TMM may continue to be resolved by the cache even after the parent server revokes the record, if the DNS Cache is receiving a stream of requests for the cached name...

rc.local Persistence

This module will edit /etc/rc.local in order to persist a payload. The payload will be executed on the next reboot. This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'rc.local Persistence',...

Threat Roundup for June 29 to July 6th

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we've observed this week — covering the dates between June 29 and July 6. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, it will summarize the threats we've observed by...

Threat Roundup for June 22-29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 22 and June 29. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristic...

[SECURITY] Fedora 28 Update: redis-4.0.10-1.fc28

Redis is an advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets. You can run atomic operations on these types, like appending to a string; incrementing the value in a hash; pushing to a list; computing se...

Security Bulletin: Apache Tomcat as used in IBM QRadar SIEM is susceptible to multiple vulnerabilities. (CVE-2015-5345, CVE-2016-0706, CVE-2016-0714, CVE-2015-5174)

Summary Open Source Apache Tomcat is susceptible to multiple vulnerabilities. Vulnerability Details CVE-ID: CVE-2015-5345 Description: Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by an error when accessing a protected directory. By redirecting to the URL, a...

Threat Roundup for June 1-15

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 01 and June 15. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristic...

Backdoorme - Powerful Auto-Backdooring Utility

Tools like metasploit are great for exploiting computers, but what happens after you've gained access to a computer? Backdoorme answers that question by unleashing a slew of backdoors to establish persistence over long periods of time. Once an SSH connection has been established with the target,...

VPNFilter Malware Infects 500k Routers Including Linksys, MikroTik, NETGEAR

Malware called VPNFilter has infected 500,000 router brands ranging from Linksys, MikroTik, NETGEAR and TP-Link that are mostly used in home offices. Researchers at Cisco Talos said they decided to warn the public of the threat despite the fact the infected devices and malware are still under...

RIG EK Still Makes Waves, This Time with a Stealthy Backdoor

Exploit kit activity has been declining since the latter half of 2016, but the RIG EK seems to buck the trend. It’s been involved in ongoing activity involving a wide range of crimeware payloads; and the latest campaign saw RIG dropping the Grobios malware, which is tailored to be a really stealt...

A Deep Dive Into RIG Exploit Kit Delivering Grobios Trojan

As discussed in previous blogs, exploit kit activity has been on the decline since the latter half of 2016. However, we do still periodically observe significant developments in this space, and we have been observing interesting ongoing activity involving RIG Exploit Kit EK. Although the volume o...

MassMiner Takes a Kitchen-Sink Approach to Cryptomining

Though it falls squarely into the trend of cryptominers setting their sights on the Monero virtual currency, the MassMiner malware family is adding its own special somethin’-somethin’ to the mix. It targets Windows servers with a variety of recent and well-known exploits – all within a single...

[SECURITY] Fedora 28 Update: haproxy-1.8.8-1.fc28

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments. Indeed, it can: - route HTTP requests depending on statically assigned cookies - spread load among several servers while assuring server persistence through the use of HTTP cookies - switch to...

A PowerShell Toolkit for Attacking SQL Server: PowerUpSQL

The PowerUpSQL module includes functions that support SQL Server discovery, auditing for common weak configurations, and privilege escalation on scale. It is intended to be used during internal penetration tests and red team engagements. However, PowerUpSQL also includes many functions that could...

New Crossrider variant installs configuration profiles on Macs

A new variant of the Crossrider adware has been spotted that is infecting Macs in a unique way. For the most part, this variant is still quite ordinary, doing some of the same old things that we've been seeing for years in Mac adware. However, the use of a configuration profile introduces a uniqu...

Metamorfo Campaigns Targeting Brazilian Users

FireEye Labs recently identified several widespread malspam malware spam campaigns targeting Brazilian companies with the goal of delivering banking Trojans. We are referring to these campaigns as Metamorfo. Across the stages of these campaigns, we have observed the use of several tactics and...

Metamorfo Campaigns Targeting Brazilian Users

FireEye Labs recently identified several widespread malspam malware spam campaigns targeting Brazilian companies with the goal of delivering banking Trojans. We are referring to these campaigns as Metamorfo. Across the stages of these campaigns, we have observed the use of several tactics and...

Cloud Credentials: New Attack Surface for Old Problem

SAN FRANCISCO – Credential theft and abuse have long been a nagging problem for local network administrators. The threat surface ranges from pretexting scams to insiders who abuse network privileges in order to grant themselves higher permissions than otherwise assigned. Here at RSA Conference,...

DCShadow

The DCShadow is an attack which tries to modify existing data in the Active Directory by using legitimate API's which are used by domain controllers. This technique can be used in a workstation as a post-domain compromise tactic for establishing domain persistence bypassing most SIEM solutions...