LOOKOVER
LOOKOVER is a sniffer used by UNC3886 to capture TACACS+ authentication packets. The provided content attributes its use to UNC3886 as part of broader credential-access operations targeting network infrastructure environments, including VMware, Fortinet, and Juniper ecosystems. High-confidence reporting in the content indicates LOOKOVER was specifically used for sniffing TACACS+ traffic to obtain authentication material. No additional technical details, infection vector, persistence mechanism, protocol support beyond TACACS+, or specific indicators of compromise for LOOKOVER itself are provided in the content.
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Groups observed using it
1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
UNC3886 has used the LOOKOVER sniffer to sniff TACACS+ authentication packets.
Techniques & procedures
1 distinct technique documented for this family, organized by ATT&CK tactic.
Credential Access
1 techniqueDiscovery
1 techniqueRecent activity
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A packet sniffer used to capture TACACS+ authentication traffic for credential access.
Sniffer used to capture TACACS+ authentication packets.
The version that knows your environment.
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Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.