The number of exploits in the Echobot botnet reached 59

The operators behind the recently discovered Echobot botnet added tens of new exploits to infect a broad range of systems worldwide.

In June, experts at PaloAlto Networks uncovered a new botnet, dubbed Echobot that is based on the dreaded Mirai botnet. At the time of its discovery, operators added 8 new exploits, but a few weeks later the popular expert Larry Cashdollar from Akamai’s Security Intelligence Response Team (SIRT) discovered a variant that included a total of 26 exploits. Now the operators behind the Echobot botnet added tens of new exploits to infect a broad range of systems worldwide.

My list of the previous 26 exploits for Echobot— Larry W. Cashdollar will be at Defcon (@_larry0) August 6, 2019Most of the exploits allow the botnet to compromise unpatched IoT devices, but experts warn that enterprise apps Oracle WebLogic and VMware SD-Wan are also potential targets.

The latest Echobot variant was spotted by security researcher Carlos Brendel Alcañiz, it includes 59 different RCE exploits to propagate.

The exploits could allow operators to target network-attached storage devices (NAS), IP cameras, IP phones, network video recorders (NVR), routers and wireless presentation systems.

Just a couple hours ago I received an exploit targeting Asus devices. Nothing interesting so far. The “richard” file is a shitty dropper, but the malware is just a bot that propagates itself using 61 different RCE exploits. I guess Richard is trying hard to get popular ^^— Carlos Brendel (@carbreal) August 6, 2019Larry Cashdollar explained that even if he has yet to detect a variant of the botnet including over than 50 exploits, he is not surprised.

I haven’t caught a sample yet but I’m not surprised by the additional exploit vectors.— Larry W. Cashdollar will be at Defcon (@_larry0) August 6, 2019Brendell discovered the new variant after receiving weaponized code that targeted security flaws in Asus devices, he compiled an published on Pastebin a list of payloads.

“The interesting part is that the author seems to have thrown in exploits without targeting a specific category of products. The code incorporated  is available from multiple public exploit repositories.” reported BleepingComputer.

“Brendel provided BleepingComputer with the exploits he found in this Echobot variant and the products they target include an odd mix of hardware and software solutions: routers, cameras, smart home hubs, network-attached storage systems, servers, database management software, Zeroshell distribution.”

The exploits used by this Echobot variant come from public repositories, below the list shared by the expert:

Asustor ADM 3.1.2RHG1Remote Code ExecutionUbiquity Nanostation5 (Air OS)0day Remote Command ExecutionAlcatel-Lucent OmniPCX Enterprise 7.1Remote Command ExecutionASMAX AR 804 gu Web Management ConsoleArbitrary Command ExecutionASUS DSL-N12E_C1 Command ExecutionAsus RT56U Command InjectionAWStats Totals 1.14multisort – Remote Command ExecutionAWStats 6.0‘configdir’ Remote Command ExecutionAWStats 6.0‘migrate’ Remote Command Remote Command ExecutionBeckhoff CX9020 CPU ModuleRemote Code ExecutionBelkin Wemo UPnPRemote Code ExecutionBEWARD N100 H.264 VGA IP Camera M2.1.6Remote Code ExecutionCrestron AM/Barco wePresent WiPG/Extron ShareLink/Teq AV IT/SHARP PN-L703WA/Optoma WPS-Pro/Blackbox HD WPS/InFocusRemote Command InjectionCitrix SD-WAN Appliance 10.2.2Authentication Bypass / Remote Command ExecutionEnGenius EnShare IoT Gigabit Cloud Service 1.4.11Remote Code ExecutionDogfood CRM‘spell.php’ Remote Command ExecutionCTEK SkyRouter 4200/4300Command ExecutionNETGEAR R7000 / R6400‘cgi-bin’ Command InjectionDell KACE Systems Management Appliance (K1000) 6.4.120756Unauthenticated Remote Code ExecutionD-LinkOS-Command Injection via UPnP InterfaceOpenDreamBox 2.0.0 Plugin WebAdminRemote Code ExecutionFreePBX 2.10.0 / Elastix 2.2.0Remote Code ExecutionFritz!Box WebcmCommand InjectionGeutebruck 5.02024 G-Cam/EFD-2250‘testaction.cgi’ Remote Command ExecutionGitoriousRemote Command ExecutionHomeMatic Zentrale CCU2Remote Code ExecutionHootoo HT-05Remote Code ExecutionIris ID IrisAccess ICU 7000-2Remote Root Command ExecutionLinksys WAG54G2Web Management Console Arbitrary Command ExecutionMitel AWCCommand ExecutionNagios 3.0.6‘statuswml.cgi’ Arbitrary Shell Command InjectionNUUO NVRmini‘upgrade_handle.php’ Remote Command ExecutionNETGEAR ReadyNAS Surveillance 1.4.3-16Remote Command ExecutionEyeLock nano NXT 3.5Remote Code ExecutionOP5 5.3.5/5.4.0/5.4.2/5.5.0/5.5.1‘welcome’ Remote Command Executionop5 7.1.9Remote Command ExecutionHP OpenView Network Node Manager 7.50Remote Command ExecutionOracle Weblogic / Code ExecutionPHPMoAdminUnauthorized Remote Code ExecutionPlone and ZopeRemote Command ExecutionQuickTime Streaming Server‘parse_xml.cgi’ Remote ExecutionRealtek SDKMiniigd UPnP SOAP Command ExecutionRedmine SCM Repository 0.9.x/1.0.xArbitrary Command ExecutionRocket Servergraph Admin CenterfileRequestor Remote Code ExecutionSAPIDO RB-1732Remote Command ExecutionSeowonintech DevicesRemote Command ExecutionSpreecommerce 0.60.1Arbitrary Command ExecutionLG SuperSign EZ CMS 2.5Remote Code ExecutionFLIR Thermal Camera FC-S/PTCommand InjectionSchneider Electric U.Motion Builder 1.3.4‘track_import_export.php object_id’ Unauthenticated Command InjectionMiCasaVerde VeraLiteRemote Code ExecutionVMware NSX SD-WAN EdgeCommand InjectionWePresent WiPG-1000Command InjectionWireless IP Camera (P2P) WIFICAMRemote Code ExecutionXfinity GatewayRemote Code ExecutionYealink VoIP Phone SIP-T38GRemote Command ExecutionZeroShell 1.0beta11Remote Code Execution

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Pierluigi Paganini

(SecurityAffairs – Echobot variant, malware)

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