BRICKSTORM
Software · ATTACK:enterprise:S9015
Attributed source ↗ · Plaintext record · Complete record and assertions JSON
Inspect structured metadata and provenance
{
"id": "ATTACK:enterprise:S9015",
"title": "BRICKSTORM",
"type": "Software",
"source_url": "https://attack.mitre.org/software/S9015",
"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--0450ed20-e9a7-4799-b601-2f2710300796",
"external_id": "S9015",
"domain": "enterprise",
"created": "2026-04-16T17:34:09.075Z",
"modified": "2026-04-23T03:13:35.645Z",
"version": "1.0",
"aliases": [
],
"tactics": [
],
"source_references": [
{
"source_name": "Cloudflare 2026 Threat Report New Threat Actors March 2026",
"url": "https://blog.cloudflare.com/2026-threat-report/"
},
{
"source_name": "CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025",
"url": "https://www.crowdstrike.com/en-us/blog/warp-panda-cloud-threats/"
},
{
"source_name": "CISA BRICKSTORM UNC5221 AR25-338A February 2026",
"url": "https://www.cisa.gov/news-events/analysis-reports/ar25-338a"
},
{
"source_name": "Dragos SYLVANITE MuddyWater Electrum March 2026",
"url": "https://hub.dragos.com/hubfs/2026_YIR_ExecutiveBriefing%20O_G.pdf?hsLang=en"
},
{
"source_name": "Picus Security BRICKSTORM UNC5221 October 2025",
"url": "https://www.picussecurity.com/resource/blog/brickstorm-malware-unc5221-targets-tech-and-legal-sectors-in-the-united-states"
},
{
"source_name": "Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024",
"url": "https://cloud.google.com/blog/topics/threat-intelligence/ivanti-post-exploitation-lateral-movement"
},
{
"source_name": "NVISO BRICKSTORM April 2025",
"url": "https://blog.nviso.eu/wp-content/uploads/2025/04/NVISO-BRICKSTORM-Report.pdf"
},
{
"source_name": "Google BRICKSTORM GRIMBOLT UNC5221 UNC6201 February 2026",
"url": "https://cloud.google.com/blog/topics/threat-intelligence/unc6201-exploiting-dell-recoverpoint-zero-day"
},
{
"source_name": "Resecurity UNC5221 BRICKSTORM F5 Big-IP October 2025",
"url": "https://www.resecurity.com/blog/article/f5-big-ip-source-code-leak-tied-to-state-linked-campaigns-using-brickstorm-backdoor"
},
{
"source_name": "Google BRICKSTORM September 2025",
"url": "https://cloud.google.com/blog/topics/threat-intelligence/brickstorm-espionage-campaign"
}
]
}Explicit source assertions (25)
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:S9015 → uses → ATTACK:enterprise:T1027
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--130768d0-0f98-4a1b-b4bb-34c5e372cda1
Picus Security BRICKSTORM UNC5221 October 2025 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1041
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--152e4b86-e51c-4470-84ff-5b6985b1c660
CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025 · CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Picus Security BRICKSTORM UNC5221 October 2025 · Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024 · NVISO BRICKSTORM April 2025 · Resecurity UNC5221 BRICKSTORM F5 Big-IP October 2025 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1036.005
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--25fe3382-4792-4fa7-b439-2249bf572e72
CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025 · CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1071.001
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--2f7ef5ad-df17-417b-8e63-1d55e161b282
CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025 · CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Picus Security BRICKSTORM UNC5221 October 2025 · Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024 · NVISO BRICKSTORM April 2025 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1070.010
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--44bc8e60-84bd-4b19-8b2f-acb34c50179d
CISA BRICKSTORM UNC5221 AR25-338A February 2026ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1057
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--59318d61-e9d9-4edc-8965-9d6b1c2e633f
CISA BRICKSTORM UNC5221 AR25-338A February 2026ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1574.007
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--5b6d5eef-dc61-4e43-a1da-f0967f77afdd
CISA BRICKSTORM UNC5221 AR25-338A February 2026ATTACK:enterprise:S9015 → 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--62890054-ce8d-479e-8331-eab58bed6ede
CISA BRICKSTORM UNC5221 AR25-338A February 2026ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1690
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--6f358cf3-7ed8-4bb0-8ff3-4f842a37e526
CISA BRICKSTORM UNC5221 AR25-338A February 2026ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1573.002
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--732d6f62-11b7-412d-a458-33c0269d2933
CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025 · CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Picus Security BRICKSTORM UNC5221 October 2025 · Resecurity UNC5221 BRICKSTORM F5 Big-IP October 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1140
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--7b292c68-de29-4db0-8f07-67028da4a595
CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025 · CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Picus Security BRICKSTORM UNC5221 October 2025 · Resecurity UNC5221 BRICKSTORM F5 Big-IP October 2025 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1543
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--85a03500-f954-487e-ba86-3ae696cb4736
CISA BRICKSTORM UNC5221 AR25-338A February 2026ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1572
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--867a8718-5f12-42db-8fa7-667d51d868be
CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025 · CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Picus Security BRICKSTORM UNC5221 October 2025 · Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024 · NVISO BRICKSTORM April 2025 · Resecurity UNC5221 BRICKSTORM F5 Big-IP October 2025 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1070.004
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--87e46e75-28de-4b86-b909-fa284c487edc
CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Picus Security BRICKSTORM UNC5221 October 2025 · Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024 · NVISO BRICKSTORM April 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1132.001
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--93d01da6-38c4-479a-a123-51e4d10a3d61
NVISO BRICKSTORM April 2025 · Resecurity UNC5221 BRICKSTORM F5 Big-IP October 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1678
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--ac12a059-4777-4f73-933d-832605de696e
Picus Security BRICKSTORM UNC5221 October 2025 · NVISO BRICKSTORM April 2025 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1568
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--b804627f-f89d-442d-bcea-15c21b1508b6
Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1105
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--c4973466-b155-40e6-8eff-1888cd50b61c
CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024 · NVISO BRICKSTORM April 2025 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1102
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--c6534574-cd90-4390-810d-0392c460e9f8
Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1083
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--da68918d-d389-4e05-a5fa-980888e57157
CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025 · CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Picus Security BRICKSTORM UNC5221 October 2025 · Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024 · NVISO BRICKSTORM April 2025 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1090.001
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--e0137354-4660-4053-ab7d-9f8358ff6ceb
CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025 · CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Picus Security BRICKSTORM UNC5221 October 2025 · Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024 · NVISO BRICKSTORM April 2025 · Google BRICKSTORM September 2025ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1059.004
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--e87efc12-0c0f-47d8-98e1-52b2d0508d3a
Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1071.004
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--eecaf2ba-9971-4657-9a55-5df1bfba6a1b
CrowdStrike BRICKSTORM WARP PANDA UNC5221 December 2025 · CISA BRICKSTORM UNC5221 AR25-338A February 2026 · Picus Security BRICKSTORM UNC5221 October 2025 · Google UNC5221 BRICKSTORM SPAWNCHIMERA April 2024 · NVISO BRICKSTORM April 2025ATTACK:enterprise:S9015 → 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--f1df2991-428f-4ed0-9173-07609e2142c8
CISA BRICKSTORM UNC5221 AR25-338A February 2026ATTACK:enterprise:S9015 → uses → ATTACK:enterprise:T1005
MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.
Assertion source · Locator: relationship--f5af6272-5956-4509-a6e8-0c5daa2e4c7d
CISA BRICKSTORM UNC5221 AR25-338A February 2026