rule bulwark_https_bulwarkblack_com_russian_router_targeting_edge_hygiene_defense
{
    meta:
        author = "Bulwark Black LLC"
        source = "https://bulwarkblack.com/russian-router-targeting-edge-hygiene-defense/"
        description = "Auto-extracted indicators. Verify before use; not a behavioral detection rule."
        generated = "2026-07-18T20:03:53Z"
        tlp = "TLP:CLEAR"
        indicator_count = "22"
    strings:
        $s0 = "cyber.gov" ascii wide nocase  // Domains
        $s1 = "cyber.gov.au" ascii wide nocase  // Domains
        $s2 = "dibnet.dod.mil" ascii wide nocase  // Domains
        $s3 = "media.defense.gov" ascii wide nocase  // Domains
        $s4 = "ncsc.gov" ascii wide nocase  // Domains
        $s5 = "supo.fi" ascii wide nocase  // Domains
        $s6 = "www.sicurezzanazionale.gov.it" ascii wide nocase  // Domains
        $s7 = "https://dibnet.dod.mil" ascii wide nocase  // URLs
        $s8 = "https://media.defense.gov/2019/Jul/16/2002157833/-1/-1/0/CSA-CISCO-SMART-INSTALL-PROTOCOL-MISUSE.PDF" ascii wide nocase  // URLs
        $s9 = "https://media.defense.gov/2022/Feb/17/2002940795/-1/-1/0/CSI_CISCO_PASSWORD_TYPES_BEST_PRACTICES_20220217.PDF" ascii wide nocase  // URLs
        $s10 = "https://media.defense.gov/2022/Jun/15/2003018261/-1/-1/0/CTR_NSA_NETWORK_INFRASTRUCTURE_SECURITY_GUIDE_20220615.PDF" ascii wide nocase  // URLs
        $s11 = "https://media.defense.gov/2026/Jul/09/2003959459/-1/-1/0/CSI_REDUCING_RISK_OF_SNMP_ABUSE.PDF" ascii wide nocase  // URLs
        $s12 = "https://www.sicurezzanazionale.gov.it/" ascii wide nocase  // URLs
        $s13 = "1.3.6.1" ascii wide nocase  // IPv4
        $s14 = "4.1.9.9" ascii wide nocase  // IPv4
        $s15 = "96.1.1.1" ascii wide nocase  // IPv4
        $s16 = "DC3.DCISE@us.af.mil" ascii wide nocase  // Email Addresses
        $s17 = "DC3.Information@us.af.mil" ascii wide nocase  // Email Addresses
        $s18 = "cert-fr@ssi.gouv.fr" ascii wide nocase  // Email Addresses
        $s19 = "contact@cyber.gc.ca" ascii wide nocase  // Email Addresses
        $s20 = "info@ncsc.govt.nz" ascii wide nocase  // Email Addresses
        $s21 = "info@valisluureamet.ee" ascii wide nocase  // Email Addresses
    condition:
        any of ($s*)
}