""ET EXPLOIT Ghostscript illegal delete bindnow attempt (SMTP)""
SID: 2026088
Revision: 1
Class Type: attempted-user
Metadata: attack_target SMTP_Server, created_at 2018_09_05, deployment Datacenter, signature_severity Informational, updated_at 2018_09_05
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $SMTP_SERVERS
Destination Port: 25
Flow: to_server,established
Contents:
-
Value: "unlink("
-
Value: "|2E|bindnow"
-
Value: "stopped"
Within:
PCRE: "/\x2Ebindnow[^\x7D]\x7D\sstopped/smi"
Special Options:
-
file_data
-
fast_pattern