Yara rules DSHELL/production/yara/APT_Backdoor_Win_DShell_1.yar and APT_Backdoor_Win_DShell_2.yar trigger too many matches exception in yara-python

[jwoytek]

Using yara-python to match against these rules, the following rules trigger a too many matches exception ("internal error: 30") when run against certain files:

rules/DSHELL/production/yara/APT_Backdoor_Win_DShell_1.yar
rules/DSHELL/production/yara/APT_Backdoor_Win_DShell_3.yar

At least one example hash that will trigger the exception against these rules is:
sha256: 04a88437468e6e9c447805d733ec82e08fd4256af44542797f16a7e318f763f8
md5: 86031c9fc72b42fef6a4c7f8b72cda83
sha1: 6a4c3370eaa373aca1113f0067d40076615b4d66