""ET SHELLCODE Possible Backslash Unicode Heap Spray Attempt""

SID: 2012970

Revision: 2

Class Type: shellcode-detect

Metadata: created_at 2011_06_09, performance_impact Significant, updated_at 2024_04_09

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|5C|u0"

  • Value: "|5C|u0"

Within: 4

PCRE: "/\x5Cu0a-d[a-d]/\x5Cu0a-d[a-d]/i"

Special Options:

  • nocase

source