Socket Filters
Subtechnique · ATTACK:enterprise:T1205.002
Attributed source ↗ · Plaintext record · Complete record and assertions JSON
Inspect structured metadata and provenance
{
"id": "ATTACK:enterprise:T1205.002",
"title": "Socket Filters",
"type": "Subtechnique",
"source_url": "https://attack.mitre.org/techniques/T1205/002",
"snapshot": "enterprise-attack-20.0.json",
"status": "active",
"rights": "Source metadata only; source notices retained; no operational prose or payloads",
"review_status": "machine-extracted; source-specific checks passed, editorial review pending",
"stix_id": "attack-pattern--005cc321-08ce-4d17-b1ea-cb5275926520",
"external_id": "T1205.002",
"domain": "enterprise",
"created": "2022-09-30T21:18:41.930Z",
"modified": "2026-05-12T15:12:00.619Z",
"version": "2.0",
"aliases": [
],
"tactics": [
"stealth",
"persistence",
"command-and-control"
],
"source_references": [
{
"source_name": "exatrack bpf filters passive backdoors",
"url": "https://exatrack.com/public/Tricephalic_Hellkeeper.pdf"
},
{
"source_name": "Leonardo Turla Penquin May 2020",
"url": "https://www.leonardo.com/documents/20142/10868623/Malware+Technical+Insight+_Turla+%E2%80%9CPenquin_x64%E2%80%9D.pdf"
},
{
"source_name": "haking9 libpcap network sniffing",
"url": "http://recursos.aldabaknocking.com/libpcapHakin9LuisMartinGarcia.pdf"
}
]
}Explicit source assertions (6)
First 80 shown here; the complete set is in this record’s JSON and plaintext. Each relationship retains its source and locator. No inferred relationships are added.
ATTACK:enterprise:S1224 → uses → ATTACK:enterprise:T1205.002
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--1631ddf9-4cce-458f-870d-94dd2e83dbf2
Mandiant Fortinet Zero DayATTACK:enterprise:S1161 → uses → ATTACK:enterprise:T1205.002
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--698640b5-aa2a-45cf-ad49-2f2b13c5e1ea
Deep Instinct BPFDoor 2023 · Sandfly BPFDoor 2022ATTACK:enterprise:M1037 → mitigates → ATTACK:enterprise:T1205.002
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--8bcfefd1-20c7-4784-ae07-3e693ecff605
ATTACK:enterprise:T1205.002 → subtechnique-of → ATTACK:enterprise:T1205
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--a31ed7a5-8ed3-46e7-8e3b-32935023e19b
ATTACK:enterprise:S1123 → uses → ATTACK:enterprise:T1205.002
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--cbf7fc6b-ba23-4771-9a32-945cfbf7a72a
Mandiant Cutting Edge Part 3 February 2024ATTACK:enterprise:S0587 → uses → ATTACK:enterprise:T1205.002
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--cdf000de-7faa-4251-b1f0-d08e043ef16a
Leonardo Turla Penquin May 2020