{"uuid": "03abc8a0-9d06-40ea-8dbe-7e2e66750f0f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-44228", "type": "seen", "source": "https://t.me/hacking_Attack/35610", "content": "Black Hat Ethical Hacking\nTellYouThePass ransomware revived in Linux, Windows Log4j attacks\n\nhttps://www.blackhatethicalhacking.com/wp-content/uploads/2021/08/Untitled-design-2-1.png TellYouThePass ransomware revived in Linux, Windows Log4j attacksPost Views: 15 https://www.blackhatethicalhacking.com/wp-content/uploads/2021/08/BECOME-A-PATRON-AND-UNLOCK-EXCLUSIVE-VIDEOS-1.png Reading Time: 1 Minute\nThreat actors have revived an old and relatively inactive ransomware family known as TellYouThePass, deploying it in attacks against Windows and Linux devices targeting a critical remote code execution bug in the Apache Log4j library.\nKnownSec 404 Team\u2019s Heige first reported these attacks on Twitter\u00a0on Monday after observing\u00a0that the ransomware was dropped on old Windows systems using exploits abusing the flaw tracked as\u00a0CVE-2021-44228 and known as Log4Shell.\n\nHeige\u2019s report was\u00a0confirmed\u00a0by the Sangfor Threat Intelligence Team, who successfully captured one of the TellYouThePass ransomware samples deployed in attacks using Log4Shell exploits mostly impacting Chinese targets, according to Curated Intelligence.\n\nAs they further discovered (findings that CronUP\u2019s Germ\u00e1n Fern\u00e1ndez\u00a0also confirmed), the ransomware has a Linux version that harvests SSH keys and moves laterally throughout victims\u2019 networks.\n\n\u201cIt is worth noting that this is not the first time that Tellyouthepass ransomware has used high-risk vulnerabilities to launch attacks,\u201d Sangfor researchers said.\u00a0\u201cAs early as last year, it had used Eternal Blue vulnerabilities to attack multiple organizational units.\u201d\nSee Also: Complete Offensive Security and Ethical Hacking Course\nOther security researchers [1, 2] have also analyzed one of the ransomware samples deployed in these attacks and tagged it as \u201clikely belonging\u201d to the\u00a0TellYouThePass family.\n\nAccording to submission stats to the ID Ransomware service, TellYouThePass ransomware\u00a0has seen a massive and sudden spike\u00a0in activity after Log4Shell proof-of-concept exploits were released online.\nhttps://www.bleepstatic.com/images/news/u/1109292/2021/TellYouThePass%20ransomware%20submissions.png \nLog4Shell exploited in ransomware attacksTellYouThePass is not the first ransomware strain deployed in Log4Shell attacks since\u00a0financially-motivated attackers began injecting Monero miners\u00a0on compromised systems and state-backed hackers\u00a0started exploiting it\u00a0to create footholds for follow-on activity.\n\nBitDefender first reported they found a new\u00a0ransomware family\u00a0(tagged by some as a wiper) they dubbed Khonsari being installed directly via Log4Shell exploits.\n\nThe Microsoft 365 Defender Threat Intelligence Team\u00a0also saw Khonsari ransomware payloads dropped on\u00a0self-hosted Minecraft servers.\n\nLast but not least, Conti ransomware operators have also added a\u00a0Log4Shell exploit to their arsenal\u00a0to move laterally through targets\u2019\u00a0networks, gain access to VMware vCenter Server instances, and encrypt virtual machines.\nSee Also: Offensive Security Tool: log4j-scan In related news, CISA ordered Federal Civilian Executive Branch agencies today\u00a0to patch their systems against the\u00a0Log4Shell vulnerability within the next six days, until December 23.\n\nThe cybersecurity agency has also recently added the flaw to its Known Exploited Vulnerabilities Catalog, which also requires expedited action from federal agencies to mitigate the bug until December 24.\nSee Also: Hacking stories \u2013 Rafael N\u00fa\u00f1ez (aka RaFa), hacking NASA with the hacking group: World of Hell\nSource: www.bleepingcomputer.com (Click Link)https://www.blackhatethicalh[...]\n\n___________________________ \n@hacking_Attack\n@Hacking_Video", "creation_timestamp": "2026-09-01T20:02:02.866739Z"}