Symantec’s Threat Hunter Team has uncovered a new Linux backdoor developed by the North Korean Springtail espionage group (aka Kimsuky) that is linked to malware used in a recent campaign against organizations in South Korea.
The backdoor (Linux.Gomir) appears to be a Linux version of the GoBear backdoor, which was used in a recent Springtail campaign that saw the attackers deliver malware via Trojanized software installation packages. Gomir is structurally almost identical to GoBear, with extensive sharing of code between malware variants.
Read more…
Source: Symantec
Related:
- Threat Brief: FireEye Red Team Tool Breach
December 10, 2020
On Dec. 8, 2020, one of the leading cybersecurity companies in the industry, FireEye, reported a breach and data exfiltration unlike any that we have seen previously. What makes this attack unique is not only the target, FireEye being a well-known cybersecurity company, but that the stolen data contains the internal, custom-crafted red-team and penetration ...
- Chinese APT suspected of supply chain attack on Mongolian government agencies
December 10, 2020
A Chinese state-sponsored hacking group, also known as an APT, is suspected of having breached a Mongolian software company and compromised a chat app used by hundreds of Mongolian government agencies. The attack is believed to have taken place earlier this year, in June, according to a report published today by Slovak security firm ESET. The hackers ...
- Rana Android Malware Updates Allow WhatsApp, Telegram IM Snooping
December 7, 2020
Researchers have discovered new samples of a previously discovered Android malware, which is believed to be linked to the APT39 Iranian cyberespionage threat group. The new variant comes with new surveillance capabilities – including the ability to snoop on victims’ Skype, Instagram and WhatsApp instant messages. According to U.S. feds, the developers of this malware are ...
- Cyberespionage APT group hides behind cryptomining campaigns
December 2, 2020
An advanced threat group called Bismuth recently used cryptocurrency mining as a way to hide the purpose of their activity and to avoid triggering high-priority alerts. Coin mining is typically regarded as a non-critical security issue, so the method allowed the actor to establish persistence and move laterally on the compromised network, at the same time ...
- Digitally Signed Bandook Trojan Reemerges in Global Spy Campaign
November 30, 2020
A wave of targeted cyberattack campaigns bent on espionage is cresting around the globe, using a strain of a 13-year old backdoor trojan named Bandook. According to Check Point Research, Bandook was last spotted being used in 2015 and 2017/2018, in the “Operation Manul” and “Dark Caracal” campaigns, respectively. The malware then all but disappeared from ...
- The UK’s new offensive cyber unit takes on organised crime and hostile states
November 19, 2020
A new offensive force made up of spies, cyber experts and the members of the military is already conducting cyber operations to disrupt hostile state activities, terrorists and criminals, the UK government has revealed. The new group – known as the National Cyber Force – aims to tackle threats to the UK’s national security such as ...

