YARA · Malpedia signator rules
MALPEDIA_Win_Applejeus_Auto
autogenerated rule brought to you by yara-signator
MalwareApplejeusMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Applejeus.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-applejeus-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Applejeus_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "8bd8cf4a-706a-51e1-a3a4-39313e63d490"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.applejeus"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.applejeus_auto.yar#L1-L133"
= "N/A"
= "9ddf6ec9baeb6448a804b5c4ce2b51ba1d2b3520b576f13a64f77cc06fd9f75f"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 0f84f2000000 8b07 0f57c0 8b4f08 8b570c 894594 8b4704 }
$sequence_1 = { 8b0f 8901 ffd6 8b4f04 0f57c0 660fd645e0 c745e000000000 }
$sequence_2 = { ffd0 84c0 7406 8b06 8bce eb04 }
$sequence_3 = { 8b4e08 81f2490f0000 c745fcd5030000 81f289060000 8b01 0345fc 8901 }
$sequence_4 = { e9???????? 8d8de4ecffff e9???????? 8d8df8eeffff e9???????? 8d8d3cefffff e9???????? }
$sequence_5 = { 6a08 0f118560eeffff c78590efffff00000000 8b7008 8b7804 660fd68580efffff c78594efffff00000000 }
$sequence_6 = { 5e 8b0a 8908 c70200000000 5d c3 83f802 }
$sequence_7 = { 8b7e04 894604 8b45e8 8906 c745fc00000000 85ff 7421 }
$sequence_8 = { c68548ffffff1b c68549ffffff3e c6854affffff2b c6854bffffff3e c6854cffffff03 c6854dffffff13 c6854effffff30 }
$sequence_9 = { 8d8dc0feffff e9???????? 8d8dc4feffff e9???????? 8d8dc8feffff e9???????? 8d8dc0feffff }
condition:
7 of them and filesize < 1245184
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 0f84f2000000 8b07 0f57c0 8b4f08 8b570c 894594 8b4704 } | |
| $sequence_1 | hex | { 8b0f 8901 ffd6 8b4f04 0f57c0 660fd645e0 c745e000000000 } | |
| $sequence_2 | hex | { ffd0 84c0 7406 8b06 8bce eb04 } | |
| $sequence_3 | hex | { 8b4e08 81f2490f0000 c745fcd5030000 81f289060000 8b01 0345fc 8901 } | |
| $sequence_4 | hex | { e9???????? 8d8de4ecffff e9???????? 8d8df8eeffff e9???????? 8d8d3cefffff e9???????? } | |
| $sequence_5 | hex | { 6a08 0f118560eeffff c78590efffff00000000 8b7008 8b7804 660fd68580efffff c78594efffff00000000 } | |
| $sequence_6 | hex | { 5e 8b0a 8908 c70200000000 5d c3 83f802 } | |
| $sequence_7 | hex | { 8b7e04 894604 8b45e8 8906 c745fc00000000 85ff 7421 } | |
| $sequence_8 | hex | { c68548ffffff1b c68549ffffff3e c6854affffff2b c6854bffffff3e c6854cffffff03 c6854dffffff13 c6854effffff30 } | |
| $sequence_9 | hex | { 8d8dc0feffff e9???????? 8d8dc4feffff e9???????? 8d8dc8feffff e9???????? 8d8dc0feffff } |
Condition
7 of them and filesize < 1245184In plain words (Heuristic)
- The file must be smaller than 1245184 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 8bd8cf4a-706a-51e1-a3a4-39313e63d490
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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