DRYHOOK
Software · ATTACK:enterprise:S9013
Attributed source ↗ · Plaintext record · Complete record and assertions JSON
Inspect structured metadata and provenance
{
"id": "ATTACK:enterprise:S9013",
"title": "DRYHOOK",
"type": "Software",
"source_url": "https://attack.mitre.org/software/S9013",
"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": "malware--e9c72c02-b55a-4852-b2eb-c7031d215414",
"external_id": "S9013",
"domain": "enterprise",
"created": "2026-04-14T13:25:25.776Z",
"modified": "2026-04-23T03:09:34.005Z",
"version": "1.0",
"aliases": [
],
"tactics": [
],
"source_references": [
{
"source_name": "Dragos SYLVANITE MuddyWater Electrum March 2026",
"url": "https://hub.dragos.com/hubfs/2026_YIR_ExecutiveBriefing%20O_G.pdf?hsLang=en"
},
{
"source_name": "Google UNC5221 Ivanti January 2025",
"url": "https://cloud.google.com/blog/topics/threat-intelligence/ivanti-connect-secure-vpn-zero-day"
},
{
"source_name": "Picus Security UNC5221 Ivanti May 2025",
"url": "https://www.picussecurity.com/resource/blog/unc5221-cve-2025-22457-ivanti-connect-secure"
}
]
}Explicit source assertions (11)
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:S9013 → uses → ATTACK:enterprise:T1222.002
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--27f03620-ca7c-4113-be7c-13fe48691b46
Google UNC5221 Ivanti January 2025 · Picus Security UNC5221 Ivanti May 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1056.001
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--55b5ee19-4623-4c5d-9f8f-1c20a3263af6
Google UNC5221 Ivanti January 2025 · Picus Security UNC5221 Ivanti May 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1074.001
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--648c423a-ac35-411d-8ace-59b511e10fb3
Google UNC5221 Ivanti January 2025 · Picus Security UNC5221 Ivanti May 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1059.008
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--65eae1cf-0636-4209-8185-104aeb671198
Google UNC5221 Ivanti January 2025 · Picus Security UNC5221 Ivanti May 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1601
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--75674204-4937-4d08-b61b-8bf01a9d4362
Google UNC5221 Ivanti January 2025 · Picus Security UNC5221 Ivanti May 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1685
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--92bb51a3-92f3-42d0-9af4-5d56ca60a830
Google UNC5221 Ivanti January 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1027.013
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--bc1f1a9f-d90e-4c8f-b8fb-eca66f582669
Google UNC5221 Ivanti January 2025 · Picus Security UNC5221 Ivanti May 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1556
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--c15efd63-269b-41c5-a664-cea3dff17c5f
Google UNC5221 Ivanti January 2025 · Picus Security UNC5221 Ivanti May 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1059.006
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--e05e470e-b827-42e3-a22e-e188f2de75d0
Google UNC5221 Ivanti January 2025 · Picus Security UNC5221 Ivanti May 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1489
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--ed0f49d3-fe2e-48fd-bc45-65f0de468a50
Google UNC5221 Ivanti January 2025ATTACK:enterprise:S9013 → uses → ATTACK:enterprise:T1556.004
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--fb6cf7ca-c649-4ca9-95aa-577cf9018c19
Google UNC5221 Ivanti January 2025