YARA · Mandiant red team tool countermeasures
FIREEYE_RT_APT_Loader_Win32_PGF_4
No description has been set in the source file - FireEye-RT
- Author
- FireEye
- Date
- 2020-11-26
- Modified
- 2020-12-09
- Score / Quality
- 75 / 75
What this rule detects
No description has been set in the source file - FireEye-RT
Targets: Windows PE.
It defines 2 patterns (0 text, 2 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
rule FIREEYE_RT_APT_Loader_Win32_PGF_4 : FILE
{
meta:
= "No description has been set in the source file - FireEye-RT"
= "FireEye"
= "d46d9ae9-cb7d-5a25-9ee2-766097c14af6"
= "2020-11-26"
= "2020-11-26"
= "2020-12-09"
= "https://github.com/mandiant/red_team_tool_countermeasures/"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/rules/PGF/production/yara/APT_Loader_Win32_PGF_4.yar#L4-L17"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/LICENSE.txt"
= "4414953fa397a41156f6fa4f9462d207"
= "4256bfd3713f330d76cad9d1ddbba91e588dbca2e2b6842e9482525805ddc1e8"
= 75
= 75
= "FILE"
= 1
strings:
$sb1 = { C7 44 24 0C 04 00 00 00 C7 44 24 08 00 10 00 00 [4-32] C7 04 24 00 00 00 00 [0-32] FF [1-16] 89 45 ?? 83 7D ?? 00 [2-150] 0F B? ?? 8B [2] B? CD CC CC CC 89 ?? F7 ?? C1 ?? 04 89 ?? C1 ?? 02 [0-32] 0F B? [5-32] 3? [1-16] 88 }
$sb2 = { C? 45 ?? B8 [0-4] C? 45 ?? 00 [0-64] FF [0-32] E0 [0-32] C7 44 24 08 40 00 00 00 [0-32] C7 44 24 04 07 00 00 00 [0-32] FF [1-64] 89 ?? 0F B? [2-3] 89 ?? 04 0F B? [2] 88 ?? 06 8B ?? 08 8D ?? 01 8B 45 0C }
condition:
( uint16( 0 ) == 0x5A4D ) and ( uint32( uint32( 0x3C ) ) == 0x00004550 ) and ( uint16( uint32( 0x3C ) + 0x18 ) == 0x010B ) and all of them
}
Strings (2 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sb1 | hex | { C7 44 24 0C 04 00 00 00 C7 44 24 08 00 10 00 00 [4-32] C7 04 24 00 00 00 00 [0-32] FF [1-16] 89 45 ?? 83 7D ?? 00 [2-150] 0F B? ?? 8B [2] B? CD CC CC CC 89 ?? … | |
| $sb2 | hex | { C? 45 ?? B8 [0-4] C? 45 ?? 00 [0-64] FF [0-32] E0 [0-32] C7 44 24 08 40 00 00 00 [0-32] C7 44 24 04 07 00 00 00 [0-32] FF [1-64] 89 ?? 0F B? [2-3] 89 ?? 04 0F … |
Condition
( uint16( 0 ) == 0x5A4D ) and ( uint32( uint32( 0x3C ) ) == 0x00004550 ) and ( uint16( uint32( 0x3C ) + 0x18 ) == 0x010B ) and all of themIn plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- All patterns in the rule must match.
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).
- 4414953fa397a41156f6fa4f9462d207
Licence & attribution
Author: FireEye
Source repository: Mandiant red team tool countermeasures @ 3561b71724
Licence: BSD 2-Clause License (repository licence)
Copyright notice: Copyright (c) 2023, MANDIANT
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: d46d9ae9-cb7d-5a25-9ee2-766097c14af6
Metadata
| rev | 1 |
|---|
Tags:FILE
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