YARA · Google Cloud Threat Intelligence (GCTI)
GCTI_Cobaltstrike_Resources_Elevate_X64_Dll_V3_0_To_V3_14_And_Sleeve_Elevate_X64_Dll_V4_X
Cobalt Strike's resources/elevate.x64.dll signature for v3.0 to v3.14 and sleeve/elevate.x64.dll for v4.x
- Author
- gssincla@google.com
- Date
- 2022-11-18
- Modified
- 2022-11-19
- Score / Quality
- 75 / 85
What this rule detects
Cobalt Strike's resources/elevate.x64.dll signature for v3.0 to v3.14 and sleeve/elevate.x64.dll for v4.x
Associated malware family: Cobalt Strike.
It defines 1 patterns (0 text, 1 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
rule GCTI_Cobaltstrike_Resources_Elevate_X64_Dll_V3_0_To_V3_14_And_Sleeve_Elevate_X64_Dll_V4_X
{
meta:
= "Cobalt Strike's resources/elevate.x64.dll signature for v3.0 to v3.14 and sleeve/elevate.x64.dll for v4.x"
= "gssincla@google.com"
= "91d5c343-1084-5cfc-9dfa-46f530eb9625"
= "2022-11-18"
= "2022-11-19"
= "https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse"
= "https://github.com/chronicle/GCTI/blob/1c5fd42b1895098527fde00c2d9757edf6b303bb/YARA/CobaltStrike/CobaltStrike__Resources_Elevate_X64_Dll_v3_0_to_v3_14_and_Sleeve_Elevate_X64_Dll_v4_x.yara#L17-L71"
= "https://github.com/chronicle/GCTI/blob/1c5fd42b1895098527fde00c2d9757edf6b303bb/LICENSE"
= "c3ee8a9181fed39cec3bd645b32b611ce98d2e84c5a9eff31a8acfd9c26410ec"
= "6f23bcf6a0c360d2f83140ce633440b13d8b691e75c5560c65656cf8a6114224"
= 75
= 85
= ""
strings:
$wnd_proc = {
81 ?? 21 01 00 00
75 ??
83 [5] 00
75 ??
45 33 ??
8D [2]
C7 [5] 01 00 00 00
45 [2] 28
FF 15 [4]
45 33 ??
8D [2]
45 [2] 27
48 [2]
FF 15 [4]
45 33 ??
45 33 ??
BA 01 02 00 00
48
}
condition:
$wnd_proc
}
Strings (1 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $wnd_proc | hex | { 81 ?? 21 01 00 00 75 ?? 83 [5] 00 75 ?? 45 33 ?? 8D [2] C7 [5] 01 00 00 00 45 [2] 28 FF 15 [4] 45 33 ?? 8D [2] 45 [2] 27 … |
Condition
$wnd_procIn plain words (Heuristic)
- Pattern $wnd_proc must be present.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
Sample hashes
Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).
- c3ee8a9181fed39cec3bd645b32b611ce98d2e84c5a9eff31a8acfd9c26410ec
Licence & attribution
Author: gssincla@google.com
Source repository: Google Cloud Threat Intelligence (GCTI) @ 1c5fd42b18
Licence: Apache License 2.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 91d5c343-1084-5cfc-9dfa-46f530eb9625
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