YARA · Malpedia signator rules
MALPEDIA_Win_Pittytiger_Rat_Auto
autogenerated rule brought to you by yara-signator
MalwarePittytiger RatMalpedia 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: Pittytiger Rat.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-pittytiger-rat-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Pittytiger_Rat_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "af66804b-9dd4-58de-b963-2c79999ba5a1"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.pittytiger_rat"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.pittytiger_rat_auto.yar#L1-L128"
= "N/A"
= "c1cb987b89d8914cb0f777c62f136fb2331d664c3a4d2cee6430b1eb052ca11d"
= 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 = { 50 57 c745b852656753 c745bc65745661 c745c06c756545 885dc6 }
$sequence_1 = { 7411 8d85e4feffff 56 50 e8???????? 59 }
$sequence_2 = { 57 c745b8436c6f73 c745bc65536572 c745c076696365 c745c448616e64 }
$sequence_3 = { 56 57 8d8de4fdffff 8965f0 e8???????? 8d85e4feffff 33db }
$sequence_4 = { ff15???????? 8d45fc 50 683f000f00 6a00 68???????? ff75fc }
$sequence_5 = { 8d85f8fdffff 6a5c 50 ff15???????? 50 8d85fcfeffff 56 }
$sequence_6 = { 66a5 a4 8d7dbf be???????? ab ab aa }
$sequence_7 = { a3???????? 0f84c8feffff 8d459c c745ac727941da 50 57 }
$sequence_8 = { e8???????? 83f86f 7513 ff75fc ff15???????? ff75f8 6a40 }
$sequence_9 = { 50 8b46f8 ff760c c1e005 05???????? 50 }
condition:
7 of them and filesize < 2162688
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 50 57 c745b852656753 c745bc65745661 c745c06c756545 885dc6 } | |
| $sequence_1 | hex | { 7411 8d85e4feffff 56 50 e8???????? 59 } | |
| $sequence_2 | hex | { 57 c745b8436c6f73 c745bc65536572 c745c076696365 c745c448616e64 } | |
| $sequence_3 | hex | { 56 57 8d8de4fdffff 8965f0 e8???????? 8d85e4feffff 33db } | |
| $sequence_4 | hex | { ff15???????? 8d45fc 50 683f000f00 6a00 68???????? ff75fc } | |
| $sequence_5 | hex | { 8d85f8fdffff 6a5c 50 ff15???????? 50 8d85fcfeffff 56 } | |
| $sequence_6 | hex | { 66a5 a4 8d7dbf be???????? ab ab aa } | |
| $sequence_7 | hex | { a3???????? 0f84c8feffff 8d459c c745ac727941da 50 57 } | |
| $sequence_8 | hex | { e8???????? 83f86f 7513 ff75fc ff15???????? ff75f8 6a40 } | |
| $sequence_9 | hex | { 50 8b46f8 ff760c c1e005 05???????? 50 } |
Condition
7 of them and filesize < 2162688In plain words (Heuristic)
- The file must be smaller than 2162688 (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: af66804b-9dd4-58de-b963-2c79999ba5a1
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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