3 Lifehacks While Analyzing Orcus RAT in a Malware Sandbox

Orcus is a Remote Access Trojan with some distinctive characteristics. The RAT allows attackers to create plugins and offers a robust core feature set that makes it quite a dangerous malicious program in its class. RAT is quite a stable type that always makes it to the top. --- ANY.RUN's top...

Korean Word Processor Scam Alert Orcus RAT Lurking in Cracked Versions

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Orcus RAT, formerly known as Schnorchel, first appeared in April 2016 and allows for remote control of infected systems. Intruders are attempting to deploy a variant of Orcus RAT along with XMRig...

Hackers Exploit Log4j Vulnerability to Infect Computers with Khonsari Ransomware

Romanian cybersecurity technology company Bitdefender on Monday revealed that attempts are being made to target Windows machines with a novel ransomware family called Khonsari as well as a remote access Trojan named Orcus by exploiting the recently disclosed critical Log4j vulnerability. The atta...

Orcus RAT Author Charged in Malware Scheme

In July 2016, KrebsOnSecurity published a story identifying a Toronto man as the author of the Orcus RAT, a software product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. This week, Canadian authorities criminally charged him with...

Threat Source newsletter (Aug. 22)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. What’s old is new again. Our research this week centers around a series of long-lasting threat actors and malware that have been given n...

RAT Ratatouille: Backdooring PCs with leaked RATs

By Edmund Brumaghin and Holger Unterbrink. Executive summary Orcus RAT and RevengeRAT are two of the most popular remote access trojans RATs in use across the threat landscape. Since its emergence in 2016, various adversaries used RevengeRAT to attack organizations and individuals around the worl...

Canada Uses Civil Anti-Spam Law in Bid to Fine Malware Purveyors

Canadian government regulators are using the country's powerful new anti-spam law to pursue hefty fines of up to a million dollars against Canadian citizens suspected of helping to spread malicious software. In March 2019, the Canadian Radio-television and Telecommunications Commission CRTC --...

A week in security (April 8 – 14)

Last week on Labs, we said hello to Baldr, a new stealer on the market, we wondered who is managing the security of medical management apps, discussed the different perceptions of personal information, and we looked at fake Instagram assistance apps found on Google Play that are stealing password...

Canadian Police Raid ‘Orcus RAT’ Author

Canadian police last week raided the residence of a Toronto software developer behind “Orcus RAT,” a product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. Its author maintains Orcus is a legitimate Remote Administration Tool that is...