YARA · Signature Base (Florian Roth / Nextron)
SIGNATURE_BASE_LOG_F5_BIGIP_Exploitation_Artefacts_CVE_2021_22986_Mar21_1
Detects forensic artefacts indicating successful exploitation of F5 BIG IP appliances as reported by NCCGroup
- Autor
- Florian Roth (Nextron Systems)
- Datum
- 2021-03-20
- Geändert
- 2023-12-05
- Score / Qualität
- 80 / 85
Was diese Regel erkennt
Detects forensic artefacts indicating successful exploitation of F5 BIG IP appliances as reported by NCCGroup
Sie definiert 2 Muster (2 Text, 0 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule SIGNATURE_BASE_LOG_F5_BIGIP_Exploitation_Artefacts_CVE_2021_22986_Mar21_1 : LOG
{
meta:
= "Detects forensic artefacts indicating successful exploitation of F5 BIG IP appliances as reported by NCCGroup"
= "Florian Roth (Nextron Systems)"
= "e109ebeb-e5c3-5999-95dc-0963ed8461a6"
= "2021-03-20"
= "2023-12-05"
= "https://research.nccgroup.com/2021/03/18/rift-detection-capabilities-for-recent-f5-big-ip-big-iq-icontrol-rest-api-vulnerabilities-cve-2021-22986/"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/exploit_f5_bigip_cve_2021_22986_log.yar#L2-L15"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
= "748bb429d4a086e2890773558ea502ef06f507aed5f0f70470e2cd97a3fd5007"
= 80
= 85
= "LOG"
strings:
$x1 = "\",\"method\":\"POST\",\"uri\":\"http://localhost:8100/mgmt/tm/util/bash\",\"status\":200," ascii
$x2 = "[com.f5.rest.app.RestServerServlet] X-F5-Auth-Token doesn't have value, so skipping" ascii
condition:
1 of them
}
Strings (2 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $x1 | Text | "\",\"method\":\"POST\",\"uri\":\"http://localhost:8100/mgmt/tm/util/bash\",\"status\":200," | ascii |
| $x2 | Text | "[com.f5.rest.app.RestServerServlet] X-F5-Auth-Token doesn't have value, so skipping" | ascii |
Bedingung
1 of themIn Worten (Heuristik)
- Mindestens 1 Muster aus der Regel müssen treffen.
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Lizenz & Namensnennung
Autor: Florian Roth (Nextron Systems)
Quell-Repository: Signature Base (Florian Roth / Nextron) @ 94a1c48d7a
Lizenz: Detection Rule License 1.1 (Repository-Lizenz)
Gespiegelt über YARA Forge 20260927, das Regelnamen mit der Quelle präfixiert und normalisierte Meta-Felder ergänzt.
Regel-ID: e109ebeb-e5c3-5999-95dc-0963ed8461a6
Tags:LOG
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