Realtek Jungle SDK Exploit Attempts Deliver Cling Botnet With STUN-Based C2
Attackers exploiting Realtek Jungle SDK flaws are deploying the Cling botnet, which hides C2 in STUN traffic.
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The Eir D1000 modem does not properly restrict the TR-064 protocol, which allows remote attackers to execute arbitrary commands via TCP port 7547, as demonstrated by opening WAN access to TCP port 80, retrieving the login password (which defaults to the Wi-Fi password), and using the NewNTPServer feature.
Attackers exploiting Realtek Jungle SDK flaws are deploying the Cling botnet, which hides C2 in STUN traffic.
Cling IoT botnet hides operator commands in spoofed Google STUN replies while exploiting exposed routers and DVRs.
Cling botnet malware disguises its commands as Google STUN traffic on compromised IoT devices.
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