Note According to RFC 9309 standard (2.2.1), this user-agent name is technically incorrect.

Non-Standard User-Agent Name

BackDoorBot/1.0

Mentions
1,310,486
0.11% of hostnames
Disallow All
1,308,500
99% of mentions
Allow
167
0% of mentions
Disallow All
+ Allow Some
472
0% of mentions
Disallow Some
535
0% of mentions
Disallow Some
+ Allow Some
117
0% of mentions
No Directives
693
0% of mentions
Average Crawl Delay
398
(when set)