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Rewterz
Rewterz Threat Alert – WordPress Plugin Remote Code Execution Flaw Exploited in the Wild
September 17, 2020
Rewterz
Rewterz Threat Alert – Recent Wave of Sophisticated Malware Infecting Public Facing Websites
September 17, 2020

Rewterz Threat Alert – Malware Leveraging XML-RPC Vulnerability to Exploit WordPress Sites

Severity

Medium

Analysis Summary

XML-RPC on WordPress, which is enabled by default, is actually an API that provides third-party applications and services the ability to interact with WordPress sites, rather than through a browser. Attackers use this channel to establish a remote connection to a WordPress site and make modifications without being directly logged in to your WordPress system. However, if a WordPress site didn’t disable XML-RPC, there is no limit to the number of login attempts that can be made by a hacker, meaning it is just a matter of time before a cybercriminal can gain access.

Impact

Gain access

Indicators of Compromise

IP

  • 207[.]148[.]83[.]241
  • 5[.]132[.]191[.]104
  • 66[.]70[.]228[.]164

MD5

  • 2ed7662ec8e2022d9cebec3a8ebaf838
  • c09cf4312167fa9683d8e8733004b7e6
  • 86374f27c1a915d970be3103d22512b9
  • d88a7fca98e89aaf593163b787165766
  • 03caf1cf96f95b82536fc8b7d94c5a61
  • 74f5107acd2e51dc407253f15d718be3
  • a54fa899a524f0cd34ae90f9820b41e0

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your environment.