Malvertising Campaign Leads to Execution of Oyster Backdoor

The following analysts contributed to this blog: Thomas Elkins, Daniel Thiede, Josh Lockwood, Tyler McGraw, and Sasha Kovalev. Executive Summary Rapid7 has observed a recent malvertising campaign that lures users into downloading malicious installers for popular software such as Google Chrome and...

Malvertising Campaign Leads to Execution of Oyster Backdoor

The following analysts contributed to this blog: Thomas Elkins, Daniel Thiede, Josh Lockwood, Tyler McGraw, and Sasha Kovalev. Executive Summary Rapid7 has observed a recent malvertising campaign that lures users into downloading malicious installers for popular software such as Google Chrome and...

Iranian Hackers Exploiting Unpatched Log4j 2 Bugs to Target Israeli Organizations

Iranian state-sponsored actors are leaving no stone unturned to exploit unpatched systems running Log4j to target Israeli entities, indicating the vulnerability's long tail for remediation. Microsoft attributed the latest set of activities to the umbrella threat group tracked as MuddyWater aka...

BazaCall: Phony call centers lead to exfiltration and ransomware

Our continued investigation into BazaCall campaigns, those that use fraudulent call centers that trick unsuspecting users into downloading the BazaLoader malware, shows that this threat is more dangerous than what’s been discussed publicly in other security blogs and covered by the media. Apart...

BazaCall: Phony call centers lead to exfiltration and ransomware

Our continued investigation into BazaCall campaigns, those that use fraudulent call centers that trick unsuspecting users into downloading the BazaLoader malware, shows that this threat is more dangerous than what’s been discussed publicly in other security blogs and covered by the media. Apart...

Deep dive into the Solorigate second-stage activation: From SUNBURST to TEARDROP and Raindrop

More than a month into the discovery of Solorigate, investigations continue to unearth new details that prove it is one of the most sophisticated and protracted intrusion attacks of the decade. Our continued analysis of threat data shows that the attackers behind Solorigate are skilled campaign...