invalid field name "number_of_signatures"

[dbarzin]

Got this error when starting Pandora on Ubuntu 22.04 server

2022-07-05 16:20:22,263 yara_signature_base INFO:Initializing yara_signature_base-1
2022-07-05 16:20:22,278 yara_signature_base CRITICAL:Unable to initialize rules: /home/pandora/pandora/yara_repos/signature-base/yara/apt_apt27_hyperbro.yar(28): invalid field name "number_of_signatures"
2022-07-05 16:20:22,278 yara_signature_base INFO:Initializing yara_signature_base-2
2022-07-05 16:20:22,289 yara_signature_base CRITICAL:Unable to initialize rules: /home/pandora/pandora/yara_repos/signature-base/yara/apt_apt27_hyperbro.yar(28): invalid field name "number_of_signatures"

[Rafiot]

That's caused by the same issue as this one: #77

Somehow, the yara lib is not using the right version in on the system.

[dbarzin]

To fix :

pip install yara-python

[dbarzin]

Doing this :

apt install -y libssl-dev

before installing poetry does the job.